Arup Consulting Engineers APPENDIX F Calibration Calculations of ...

For inspection purposes only.
Consent of copyright owner required for any other use.
Arup Consulting Engineers
APPENDIX F
Calibration
Calculations of Wedge
Analysis Method
EPA Export 04-01-2007:02:18:43

Arupdbtechnics
Corrib Onshore Terminal
Slability of peat
Calibration runs for 1 OOm long slope
Thickness of peat at top of SIOPE!
Slope angle of top of peal (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peat
Active pressure force (horizintal component)
Peat thickness at bottom of Slope
Slope of base of passive wedge
Length of slip surface
Minimum
FOS
h 1.5
(I 1.5
P 2
L 100
‘/ II
c, 3
pA
H 2.37
0 26.63537
LI 100.1
1.5
1.5
2
100
11
3
1.5
1.5
2
100
11
3
1.5
1.5
2
100
11
3
1.5
1.5
2
100
11
3
1.5
1.5
2
100
11
3
1.5
1.5
2
100
11
3
1.5
1.5
2
100
11
3
Minimum strength
for FOS=l
1.5 1.5
1.5
‘i5
100
II
0.54
Ii0
11
0.87
Job No. 114662
Made by: Cl-l Chkd:.c.H
Date: 14/11/2003 .
Rev: -,-
Maximum slope
for FOS=-i .1
1.5 1.5
6.46 7.42
8.95 7.92
100 100
11 11
3.00 3.00
2.37 2.37 2.37 2.37 2.37 2.37 2.37 2.37 2.37 2.37 2.37
0 10 20 30 40 45 50 26.64 26.64 26.64 26.64
100.1 100-t 100.1 100.1 100.1 100.1 100.1 100.1 100.1 101.2 101.0
Weight of sliding block W, 2130.0 2130.0 2130.0 2130.0 2130.0 2130.0 2130.0 2130.0 2130.0
Surcharge load WS 0 0 0 0 0 0 0 0 0
FOS with no passive resistance 3.464 3.464 3.464 3.464 3.464 3.464 3.464 3.464 0.62
Max length of passive wedge L’ 90.61 90.61 90.61 90.61 90.61 90.61 90.61 90.61 90.61
Actual length of passive wedge LH 4.50 90.61 11.72 6.08 3.93 2.74 2.31 1.95 4.50
Lenglh of passive wedge slip surface 4 5.03 90.61 11.90 6.47 4.54 3.58 3.27 3.03 5.03
Weight of passive wedge w2 58.67 1182.43 152.89 79.36 51.30 35.78 30.17 25.42 58.67
Total weigh1 2188.65 3312.41 2282.87 2209.34 2181.28 2165.76 2160.15 2155.40 2188.65
Oislurbing force component 55.71 86.65 59.16 56.66 55.28 54.08 53.45 52.75 55.71 286.57
Resisting force 309.84 571.83 333.84 315.60 307.57 301.95 299.33 296.61 55.71 288.57
FOS 5.562 6.599 5.643 5.570 5.564 5.583 5.600 5.623 1.00 1.00
For inspection purposes only.
Consent of copyright owner required for any other use.
SLOPE FOS 5.532 6.579 5.626 5.550 5.532 5.546 5.552
Wedge FOS/SLOPE FOS 1.005 1.00 1.00 1.00 1.01 1 .oi 1 .Ol
PA 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4
5.569
I .Ol
2130.0
0
1.00
2130.0
0
0.90
15.98
3.65
4.08
47.63
2177.61
2130.0
0
1.00
EPA Export 04-01-2007:02:18:43

Arupbbtechnics
Corrib Onshore Terminal
Slability of peat
Calibration runs for 500m long slope
Thickness of peal al lop of slope
Slope angle of top of peal (ground surface)
Slope angle of base of peat
Slope lenglh
Unit weight of peal
Undrained shear strength of peal
Active pressure force (horizinlal component)
Peal thickness at bottom of slope
Slope of base of passive wedge
Length of slip surface
Weight of sliding block Wl 20249.4 20249.4 20249.4 20249.4 20249.4 20249.4 20249.4 20249.4 20249.4
Surcharge load WS 0 0 0 0 0 0 0 0 0
FOS with no passive resistance 2.089 2.089 2.089 2.089 2.089 2.089 2.089 2.089 0.726
Max tenglh of passive wedge I”- 223.92 223.92 223.92 223.92 223.92 223.92 223.92 223.92 223.92
Actual length of passive wedge LH 16.77 223.92 28.95 15.03 9.72 6.78 5.71 4.81 16.77
Length of passive wedge slip surface LZ 17.62 223.92 29.40 15.99 11.22 8.85 8.08 7.49 17.62
Weight of passive wedge W 540.76 7221~03 933.71 484.65 313.30 218.53 184.26 155.25 540.76
Total weight 20790.20 27470.47 21183.16 20734.09 20562.75 20467.97 20433.71 20404.70 20790.20
Disturbing force component
Resisting force
FOS
Minimum
FOS
h 1.5
cl 1.5
B 2
I. 500
7 11
c, 3
PA 12.4
H 5.88
0 17.9258333
Ll 500.3
535.58 718.62 549.56 533.09
1535.93 2171.75 1578.98 1528.91
2.868 3.022 2.873 2.868
SLOPE FOS 2.86 3.018 2.865 2.857
1.5 1.5 I.5 1.5 1.5 1.5 1.5 1.5 1.5 I.5 1.5
1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 4.31 3.74
2 2 2 2 2 2 2 2 2 4.81 4.24
500 500 500 500 500 500 500 500 500 500 500
11 11 11 11 11 11 11 11 11 71 11
3 3 3 3 3 3 3 1.05 1.44 3.00 3.00
12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4
5.86 5.88 5.86 5.88 5.86 5.86 5.88 5.86 5.86 5.86 5.66‘
0 10 20 30 40 45 50 17.93 17.93 17.93 17.93
500.3 500.3 500.3 500.3 500.3 500.3 500.3 500.3 500.3 501.8 501.4
523.25 514.20
1503.41 1462.58
2.873 2.993
2.858 2.883 2.867 2.873
For inspection purposes only.
Consent of copyright owner required for any other use.
Wedge POSlSLClPE FOS 1.004 1 .oo I .oo 1 .OO 1.01 1.01 1.01 1 .Ol
Job No. 114662 S 1 FZ’-
Made by: CH Chkd:.c.H
Date: 14/l l/2003
Rev: -.-
Minimum strength Maximum slope
for POS=1 for POS=l
20249.4
0
1.000
20249.4
0
0.883
77.75
14.70
15.45
474.02
20723.46
509.27 503.69 535.58 1505.49
1471.86 1460.04 535.58 1505.49
2.890 2.899 1.00 1.00
20249.4
0
1.000
.>.
i_i’_...
. :: ;1
-_ ..
EPA Export 04-01-2007:02:18:43

ArupGeotechnics Job No. 114662 Sheet Ii1 f 3
Corrib Onshore Terminal
Slope geometric data
SLOf
Slope length
Passive
wedge
angle Run ID FOS
100 No passive Corrib AAA 3.561
100 0 Cot-rib BBA 6.679
Runs in this
column use
cu =3 for
peat in
active
wedge
All SLOPE files stored in 114662\calcs\oasys\slope
t
i runs
Run ID
Corrib AAB
Corrib BBB
Corrib BAI
Corrib DA2
Corrib DA3
Runs in this
column use
cu =O.l for
peat in
active
wedge
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by: Cl-l Chkd:.!%? ’
Date: 3011 l/2003
Rev: -,- 0
SLOPE results on
Pnnled 06/12172003 20 19
EPA Export 04-01-2007:02:18:43

.‘.
:
ArupGeotechnics
0 Corrib Onshore Terminal
Slope geometric data
0
Slope length L = 100 m
Passive wedge angle 6 = 90 degs
xl I 0
yl 1 101.5
x2 0
y2 ,’ 100 “’
x3 100 Set length
y3 96.50792
x5 190.6397 ground surface x at y=y3 I
Ground profile
Y
-2”O 102.0237
0 101.5
190.6397 96.50792
I Y I 45 1
Peat profile Slip surface
I Y Y
-;o 1 100 -1:5 101.5
0 1 100 1 0 100
500 1 82.53962 1 100 96.50792
1 100 98.88141
For inspection purposes only.
Consent of copyright owner required for any other use.
50 100
Distance (m)
Job No. 114662 Sheet l/l Fv,
Made by: CH Chkd:.U..
Date: 30/l l/2003
Rev: -,-
Pnnled 05112/2003 15 26
EPA Export 04-01-2007:02:18:43

ArupGeotechnics Job No. 114662 Sheet III pa
Corrib Onshore Terminal
Slope geometric data
I SLOPE runs
Passive 1 I Wedge 1 SLOPE 1
I wedge 1 I I analysis I result on I
_ __..._. ..- ._
Corrib B 7.694 7.697/ ..- -. +ii
2 7.096 7.122 / F\3
‘71 7.109 I 7.209f I tG I
500 40 Corrib F4 2.963 2.952’ ] FSS
500 45 Corrib F5 2.95 2.959~ 1 yb~
500 50 2.968’ 1
All SLOPE files stored in 114662\calcs\oasys\slope
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by: CH Chkd:.CM.
Date: 3013 112003
Rev: -,- 0
J 110W00\114662\cafcs\sheels\SLOPE dala xl5 I Analysts summary Prmled 04lfZROO3 14 22
EPA Export 04-01-2007:02:18:43

: ,.
., ‘
0
Oasys
Corrib
Peat stability - 1OOm slip length
104.il .’
102.0 $xm.J.oz.a~
100.0
98.00
96.00
94.00
92.00
“..+.i . . . Tag)
t
-.
“‘“---....z
. .
Program SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd
Slope Stability Analysis
Job No.
114662
Drg. Ref.
Made by
Cl-l
Sheet
F5
No.
REW.
Date Data Checked
OIDeo-2003 Cot-rib AABsld CM
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?9.90.98.881
-20.00 20.00 6O:OO
Scale x 1:992 y I:82
For inspection purposes only.
Consent of copyright owner required for any other use.
!
f
I
i
d!m0.1.90.00,
Page 1
Printed 05-Dee-2003 Time 15:46
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 1OOm slip length
Job No. Sheet No. Rev.
114662
Drg. Ref.
Made by
Cti
For inspection purposes only.
Consent of copyright owner required for any other use.
Date Data Checked
0%De-2003 Corrib AAA.sld &#
rogram SLOPE Verston 17.9 Copyright Q 1997-2003 Oasys Ltd Page 1
Slope Stability Analysis Printed 05-Dee-2003 Time 15:44
EPA Export 04-01-2007:02:18:43

3asys
h-rib
‘eat stability - 100~11 slip length
0. lTei.ht
kPbl
1
7.h tb.-m 13.94
2.
14.50 1.555 2.137
3
15.02 1.c.t 1.650
15.12 33.20 33.16
:
15.24 13.56 33.54
G
15.47 33.56 33.92
7
15.64 34.34 34.30
15.81 34.72 34.68
:
15,BB 35.09 BS.OG
10
16.16 35.47 39.4.1
16.33 35.85 35.82
::
lG.50 36.23 36.20
13
18.67 36.61 36.57
14
16.85 36.49 36.55
1'1.02 37.3, 37.33
::
17.15 37.75 3'1.11
17
L7.3, 38.11 3e.09
18
1'1.54 as.51 36..l,
LT.71 38.88 36.86
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17.88 35.26 39.23
21
18.06 39.64 39.61
22
lb.23 in.02 39.99
23
18.40 40.40 CP.37
2i
18.57 40.78 40.75
25
16.75 41.16 41.32
26
18.52 41.54 41.50
27
19.09 41.92 41.89
28
t9.26 42.30 42.26
7.5
15.44 42.67 42.64
3b
L5.61 43.05 43.02
II
I9.W 43.43 43.40
32
15.55 43.e, 43.76
33
20.13 44.19 44.,0
34
20.30 44,s 44.54
35
PO.47 44.55 44.92
36
2O.Gi 45.33 45.30
37
20.92 45.71 45.66
38
20.55 Cb.OB CG.05
35
21.16 46.46 46.43
40
21.33 46.B4 4G.U
41
21.51 47.22 47.19
42
21.69 47.GO 47.51
43
21.95 47.58 47.55
44
22.03 ie.36 46.13
45
22.20 4e.w is.71
46
22.37 is.12 49.09
47
22.54 49.50 49.47
48
22.72 49.87 49.e5
49
I?.*$ 50.25 50.23
so
23.06 5O.U 50.60
51
23.23 51.0: 50.56
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23.4' 51.39 51.x
53
23.5b 51.77 51.74
54
11.63 1.302 1.245
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0.4243
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5.992
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5.552
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5.592
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5.592
5.592
5.992
5.942
5.922
5.992
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5.952
5.952
5.992
5.952
5.942
0.3002
Job No. Sheet No. Rev.
F-7
114662
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Date Data Checked
CH 05-Dee-2003 Corrib AAA.sld CM
‘rogram SLOPE Version 17.9 Copyright (D 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed QIDec-2003 Time 15:44
EPA Export 04-01-2007:02:18:43

Oasys
Corrib .
Peat stability - 1OOm slip length
T
0.0
0.0
0.0
0.0
:::
n.0
0.0
:::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0. 0
0.0
0.0
0.0
n.0
0.0
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0.0
0. 0
0.0
0.0
n.0
0.0
0.0
0.0
3.0
d.0
0.0
0.0
0.0
6.0
0.0
0.0
0.0
_ .
s1r.a S~rcuxpl P.IacaL.3.. PDre Illcm rDrcoI on b.,o ,w1
Job No. Sheet No. Rev.
114662
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Date Data
05Dec2003 Corrib AAB.sld
Togram SLOPE V-srsion 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05-De52003 The 15:46
EPA Export 04-01-2007:02:18:43

3asys
Zorrib
‘eat stability - 1OOm slip length
0.0
Z
E
0.0
0.0
0.0
0.0
0.0
0.0
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lb.79
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33.20
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34.34
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35.09
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O.lbD2
Made by
Cl-i
For inspection purposes only.
Consent of copyright owner required for any other use.
Sheet No. Rev.
Date Data Checked
OS-Dee-2003 Conlb AAS.sld CM
‘rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Lid Page
Slops Stability Analysis Printed 05-Dee-2003 Time 15:46
EPA Export 04-01-2007:02:18:43

ArupGeotechnics Job No. II 4662 Sheet 1 /I F! 0
Cot-rib Onshore Terminal
Slope geometric data
Slope length L = 100 m
Passive wedge angle 8 = 0 degs
xl 0
yl 101.5
x2 0
y2 100
x3 100 Set length
y3 96.50792
X5 190.6397 ground surface x at y=y3 I
105 ,
For inspection purposes only.
Consent of copyright owner required for any other use.
I I
50 100
Distance (mf
Made by: CH Chkd:.@!.
Date: 30/l 1 .I2003
Rev: -,- 0
J \1oOOOOi114662\calcs~heels\SLOPE dais xls I Slip surlace wlh actwe wedge EPA PnntedCWlZROO3 Export 04-01-2007:02:18:43
15 21

(
:orrib
‘eat stability - lOOm slip length
104.0 .
96.00
94.00
92.00
. . . . .
-20.00 2o.ofl
Scale x I:1558 y 1:82
Job No.
114662
org. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Sheet No.
Fu
Date Data
24-Now2003 Cotrib BB.sld
Program SLOPE Version
Slope Stability Analysis
17.9 Copyright (0 t 997-2003 Oasys Ltd
Printed 05-Dee-2003
Page
Time
7
15:17
EPA Export 04-01-2007:02:18:43
Rev.
Checked
CM
60.00 100.0 140.0 1ab.o %9&?mmceo.oor

Peat stability - 1OOm slip length
114662
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Date Data Checked
CH 24-NOV-2003 Corrib BBA.sld m
rogcam SLOPE Version 17.9 Copyright 0 1997-2003 Oesys Ltd Page
lope Stability Analysis Prlnted 05-Dee-2003 Time IS:33
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 100111 slip length
0.0
0.0
0.0
0.0
2:
E
0.0
a.o
0.Q
i:;
E
0.0
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0.b
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0.c
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0.0
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0.0
0.0
0.0
0.0
0.0
0.0
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::i
0.0
c.0
Z:i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
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7.183
14.50
15.02
15.20
15.52
13.64
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15.45
16.8,
17.13
17.43
1'1.71
18.10
LG.42
LG.74
14.09
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19.71
20.03
20.35
20.68
21.00
21.32
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ZL.56
22.25
22.61
22.53
23.25
23.58
23.24
22.25
21.26
20.26
15.25
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17.3,
16.32
15.33
Ii.54
13.35
12.36
11.37
IO.35
5.346
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6.42B
5.440
4.43,
3,462
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0.454s
I.&S2
61.85
61.IG
G4.4,
61.18
67.10
68.41
69.12
11.03
12.34
73.65
74.57
76.26
n.sr
78.5+0
BO.21
51.53
82.84
84.15
85.46
BG.77
GG.08
35.40
90.71
42.02
53.31
54.64
65.51
96.56
BZ.iS
GB.34
a.23
60.12
7h.OL
71.9,
‘7.60
G1.69
59.58
5S.47
51.26
47.25
43.14
34.03
34.53
30.82
PG.71
22.60
18.15
14.36
,027
6.161
2.054
14.X2
2.182
1.651
63.33
63.14
64.45
65.77
W.OB
66.3%
65.70
71.02
72.33
73.61.
74.05
7Gi27
77 .SB
18.19
80.10
e1.52
62.61
84 ,:4
G3.4S
BP,77
GB.Ob
GSIlS
5C,Tl
52402
93.11
54 .Gi
5S19G
X.56
32.4s
so.34
hi*13
00. 12
76.OL
71.51
C7.bO
61.64
5&.5G
55.47
53.36
&7.23
43.14
15.01
34.91
30.82
%6.P,
t2.a
X5.45
14.36
10.21
6 16Z
2:054
Job No. Sheet No.
F\%
Rev.
114662
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Date Data Checked
Cl-l 24-Nov-2003 Corrib BBA.sld
>rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed OS-Dee-2003 Time 1533
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 1OOm slip length
Job No. Sheet No. Rev.
114662 Fb
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Date Data Checked
\ Cl-l OS-Dee-2003 Corrib BSB.sld w
‘rogram SLOPE Version t7.9 Copyrighta 1997-2003 Oasys Ltd Page
;lope Stability Analysis Printed 05-Dee-2003 Time 15:35
EPA Export 04-01-2007:02:18:43

c)asys
Lrrib
Peat stability - 1DOm slip length
1
2
3
:
!
8
5
to
11
::
14
15
16
17
18
15
20
21
22
23
::
$7”
28
25
30
31
32
33
34
35
38
37
::
;a
41
I.?
i3
44
45
46
47
;a
43
::
52
52
54
Tan phi
0.0
0.0
0.P
0.0
0.0
0.0
0.0
0.0
Cl.0
0.0
cl.0
0.0
E
0.0
0.0
0.0
0.0
0.0
O.0
0.0
0.0
0.0
0.0
0.0
0.0
o:*
0.0
0.0
0.0
0.0
El
0.0
0.0
0.0
0.0
0.0
0.0
0.1
0.0
0.0
0.0
0.0
0.0
O.0
0.0
0.0
0.0
17. t3 65.72
17.45 71.03
17.77 72.35
10.1D 73.65
18.42 74.97
18.74 7G.28
19.06 71.i3
19.39 78.90
14.71 80.21
20.02 81.53
28.35 c?.Bi
20.68 a.15
ii.00 85.4G
21.32 86.77
21.64 84.08
21.58 85.40
22.24 9h.71
22.61 42.02
ii.43 3i.33
23.25 94.64
23.98 55.46
23.2-I 56.58
22.25 52.45
21.26 88.34
20.28 84.23
14.29 80.12
18.30 78.01
17.31 7:.91
16.32 81.80
15.33 81.65
14.34 59.58
13.35 55.43
12.36 51.30
11.37 47.25
to.39 42.14
3.396 39.03
B.iP, 34.33
7.418 30.82
a.425 26.11
5.440 22.60
Job No. Sheet No. Rev.
114662 wb
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Date Data Checked
CH OS-Dee-2003 Corrib BBB.sld w
Drogram SLOPE Version 17.9 Copyright (0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05-Dee-2003 l?me 15:35
EPA Export 04-01-2007:02:18:43

ArupGeotechnics Job No. 114662 Sheet l/l r\ b
Corrib Onshore Terminal
Slope geometric data
. Slope length L = 100 rn.
Passive wedge angle 0 = IO degs
Xl I 0
yl ] 101.5
x2 0
y2 100
x3 100 Set length
y3 96.50792
X5 190.6397 ground surface x at y=y3 I
Ground profile 1 Peat profile ! Slip surface I
Y X Y 1 Y
-;0 102.0237 -20 100 -115 101.5
0 101.5 0 100 0 100
190.6397 96.50792 500 82.53962 100 96.50792
! 111.7202 98.5745
105
95
For inspection purposes only.
Consent of copyright owner required for any other use.
I I
-50 0 50 100
Distance (m)
150 200
Made by: CH Chkd:..f%
Date: 30111/2003
Rev: -,- 0
J.\fDODODil14E62kalcsCheeWSLOPE dafa xl5 I Slip surlace wlh XUve wedge Pnnfed 05llZRCQ3 15 55
EPA Export 04-01-2007:02:18:43

3asys
lorrib
eat stability - 100111 slip length - 1Odeg wedge
94.00
92.00
-20.00 20.00
Scale x 1:1558 y 1:82
Job No. Sheet No. F&V.
Org. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Date Data Checked
05-Dee-2003 Corrib BBlsld c M
GO.00 100.0 140.0 180.0
rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
I Stability Printed O6-Dee-2003 Time I%42
EPA Export 04-01-2007:02:18:43

Peat stability - 100111 slip length - IOdeg wedge
General Parameters
Direction of slip: DOWNHILL
Minimum slip weight [kN) : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu (Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
No. Description Unit Weight
Above GWL Below GWL
fkNh31 [kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
1 1 102.0 101.5 101.5
2 2 102.0 101.; 100.0
GNU 102.0 101.; 101.5
Slip 101-5 100.0
Stratum Material x -->
190.6 190.7
: 2 1 96.51 90.00 90-o;,
GWLl 96.51 96.51
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [ml
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
Made by Data Data Checked
CH 05-Dee-2003 Corrib 637 sib @H
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I IkPal
0.0 3.000
0.0 3.000
0.1000 100.0 111.7
101.5 98.57
90.00
101.5
For inspection purposes only.
Consent of copyright owner required for any other use.
RESULTS OF ANALYSES
Slip Centre RZIdiUS Slip Comment/ Disturbing Restoring
weight FoS Momant t-ioment
:-: [m] Y lml tml /H-J1 [kN ml [kN ml
76.42 923.7 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (76.42,923.7) Radius 0. Om
Iterations: 5 Horiz acceleration [8g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [RN] 2294.
Net horie force [kN]: 6.43X-6 Disturbing moment [kN ml: 59.84
Restoring moment [kN ml: 345.6
Factor of Safety: 5.776
Slip surface coordinates Pore Interslice forces
Pressure WN
Point x [ml Y [ml u [kPa] T E E(u)
1 -1.500 101.5 0.0 0.0 0.0 0.0
3 -0.1000 100.1 14.00 0.0 9.316 9.800
3 0.0 100.0 15.00 0.0 10.31 11.25
4 0.1000 100.0 15.03 0.0 10.32 11.30
5 2. 320 99.92 15.23 0.0 10.96 11.59
6 4.540 $9.84 15.42 0.0 11.11 li.64
7 6.760 49.76 15.61 0.0 11.28 l-7.15
3 8.PSO 94.69 15.80 0.0 11.46 12.49
rogram SLOPE Version 17.9 Copyright CD ?99?-2003 Oasys Lld Page
Slope Stabilily Analysis Printed 06-Dee-2003 Time 19X3
EPA Export 04-01-2007:02:18:43
96.5;
98.5;
96.57

3asys
Zorrib
?eat stabPity - 1OOm slip length - 1Odeg wedge
9
10
11
12
13
14
:"6
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
4-l
48
49
50
51
52
53
11.20 99.61 16.00
13.42 99.53 16.19
15.64 99.45 16.38
17.86 99.38 16.57
20.08 99.30 16.76
22.30 99.22 16.96
24.52 99.14 17.15
26.74 99.07 17.34
28.96 98.99 17.53
31.18 98.91 17.72
33.40 98.83 17.92
35.62 98.76 18.11
37.84 98.68 18.30
40.06
42.28
98.60
98.52
18.49
18.68
44.50
46.72
98.45
98.37
18.88
19.07
48.94
51.16
98.29
98.21
19.26
19.45
53.38 98.14 19.64
55.60 98.06 19.84
57.82
60.04
62.26
64.48
66.70
68.92
97.98
97.90
97.83
97.75
97.67
97.59
20.03
20.22
20.41
20.60
20.80
20.99
71.14 97.52 21.18
73.36 97.44 21.37
75.58 97.36 21.56
77.80 97.28 21.76
80.02 97.21 21.95
82.24 97.13 22.14
84.46
86.68
88.90
91.12
93.34
97.05
96.97
96.90
96.82
96.74
22.33
22.52
22.72
22.91
23.10
95.56 96.66 23.29
97.78 96.59 23.48
100.0 96.51 23.68
102.0 96.85 19.73
103.9 97.20 15.78
105.9 97.54 11.84
107.8 97.88 7.892
109.8 98.23 3.946
111.7 98.57 0.0
Slice Strength Parameters
No.
c' [Ma] Tan phi
3.000 0.0
: 3.000 0.0
3 3.000 0.0
4 3.000 0.0
5 3.000 0.0
6
1
3.000
3.000
0.0
0.0
8 3.000 0.0
9 3.000 0.0
10 3.000 0.0
11 3.000 0.0
12
13
3.000
3.000
0.0
0.0
14
15
16
17
3.000
3.000
3.000
3.000
0.0
0.0
0.0
0.0
18
19
3.000
3.000
0.0
0.0
20 3.000 0.0
2 1
13 i-
3.000
3.000
0.0
0.0
23 3.000 0.0
24 3.000 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
::i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Made by Date Data Checked
CH 0%Deo2003 Cotib BBI sld
11.66 12.79
11.68
12.11
12.36
12.63
12.91
13.21
13.52
13.85
14.20
14.57
14.95
15.34
15.76
16.19
16.63
17.09
17.57
18.07
18.58
19.11
19.65
20.21
20.79
21.38
21.99
22.62
23.26
23.92
24.59
25.29
25.99
26.72
27.46
28.22
28.99
29.78
30.58
31.41
32.25
33.10
23.86
16.11
9.844
5.073
1.791
6.43X-6
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Slice Forces on base [kN]
Pressure Weight
[kPsJ [kNl Normal Shear
7.000 10.78 14.22 5.940
14.50 1.595 2.182 0.4243
15.02 1.652 1.651 0.3002
15.13 36.95 36.93 6.664
15.32 37.42 37.40 6.664
15.51 37.89 37.87 6.664
15.71 36.36 38.34 6.664
15.90 38.83 38.81 6.664
16.09 39.29 39.28 6.664
16.28 39.76 39.75 6.664
16.48 40.23 40.22 6.664
16.67 40.70 40.69 6.664
16.86 41.17 41.15 6.664
17.05 41.64 41.62 6.664
17.24 42.11 42.09 6.664
17.44 42.58 42.56 6.664
17.63 43.05 43.03 6.664
17.82 43.52 43.50 6.664
18.01 43.99 43.97 6.664
13.20 44.45 44.44 6.664
18.40 44.92 44.91 6.664
18.59 45.39 45.33 6.664
18.78 45.86 45.35 6.664
18.97 46.33 46.32 6.664
13.10
13.41
13.73
14.05
14.37
14.70
15.03
15.37
15.11
16.05
16.39
16.74
17.10
17.45
17.81
18.18
18.55
18.92
19.29
19.67
20.06
20.44
20.83
21.23
21.62
22.02
22.43
22.84
23.25
23.67
24.09
24.51
24.94
25.37
25.80
26.24
26.68
27.13
27.58
28.03
19.46
12.46
7.007
3.114
0.7786
0.0
‘rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
llope Stability Analysis Printed OGDec-2003 Time 19:43
,
EPA Export 04-01-2007:02:18:43

oasys
Corrib
Peat stability - 1OUm slip Iength - 1Odeg wedge
Slice
[10.
25 3.000 0.0 19.16
26
21
28
29
3.000
3.000
3.000
3.000
0.0
0.0
0.0
0.0
19.36
19.55
19.74
19.93
30
31
3.000
3.000 i-i
20.12
20.32
32 3.000 0:o 20.51
33 3.000 0.0 20.70
34 3.000 0.0 20.89
35 3.000 0.0 21.08
36 3.000 0.0 21.28
37 3.000 0.0 21.47
38 3.000 0.0 21.66
39 3.000 0.0 21.85
40 3.000 0.0 22.04
41 3.000 0.0 22.24
42 3.000 0.0 22.43
43 3.000 0.0 22.62
44 3.000 0.0 22.81
45 3.000 0.0 23.00
46 3.000 0.0 23.20
47 3.000 0.0 23.39
48 3.000 0.0 23.58
49 3.000 0.0 21.70
50 3.000 0.0 17.76
51 3.000 0.0 13.81
52 3.000 0.0 4.865
53 3.000 0.0 5.919
54 3.000 0.0 1.973
1
2
3
4
5
6
7
8
9
10
I1
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
Surface Load [kPa] Water Pressure on
Vert Horiz
0.0 0.0
0.0 0.0
0.0
0.0 i::
FL:
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
8::
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
ground surface [kPa]
Vert
0.0
0.0
0.0
Horiz
0.0
0.0
0.0
0.0
0.0
0.0
0.0 8::
0.0 0.0
46.80 46.79 6.664
47.27 47.26 6.664
47.74 47.72 6.664
48.20 da.19 6.664
48.67 48.66 6.664
49.14 49.13 6.664
49.61 49.60 6.664
50.08 50.07 6.664
50.55 50.54 6.664
51.02 51.01 6.664
51.49 51.48 6.664
51.96 51.95 6.664
52.43 52.42 6.664
52.89 52.89 6.664
53.36 53.35 6.664
53.83 53.82 6.664
54.30 54.29 6.664
54.77 54.76 6.664
55.24 55.23 6.664
55.71 55.70 6.664
56.18 56.17 6.664
56.65 56.64 6.664
57.11 57.11 6.664
51.58 57.58 6.664
46.63 47.53 5.950
38.15 38.92 5.950
29.68 30.31 5.950
21.20 21.70 5.950
12.72 13.09 5.950
4.239 4.485 5.950
For inspection purposes only.
Consent of copyright owner required for any other use.
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
E
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0:o
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Made by Data Data Checked
Cl-l 05Dee-2003 Corrlb BBl.sld al .
rogram SLOPE Version 17.9 Copyright (0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 time 19:43
EPA Export 04-01-2007:02:18:43
a

:.
I,,’
.”
0
l
0
e
3asys
krib
?eat stability - 1ORm slip fength - 1Odeg wedge
jeneral Parameters
Xrection of slip: DOWNHILL
linimum slip weight [kN] : 10
Cype of analysis : STATIC
lnalysis Options
Factor of safety on : SHEAR STRENGTH
linimum number of slices: 50
?@thOd: Janbu (Horizontal interslice forces)
Sarimum number of iterations: 100
titerial properties
NO. Description Unit Weight
Above GWL Below GKG
[kN/m3] [kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil
Stratum Material x -->
-20.00
: : 102.0
GWLl 102.0
Slip
Stratum Material x -->
190.6
1 1 96.51
2 2 90.00
GWLl 96.51
Slip
strata
Job No. Sheet No. Rev.
114662 ‘F9J
Drg. Ref.
Made by Date Data Checked
Cl-t 05-Des-2003 Con-ib BA1 Ad CM
-1.500 -0.1000 0.0 0.1000 100.0 111.7
101.5
101.5 101.5 96.57
101.5 100.0 90.00
101.5 101.5 101.5 98.5;
101.5 100.0 96.51 98.57
190.7
90.00
96.51
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: .lO.OO kN/m'
Number of phreatic surfaces: 1
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FOS Moment Moment
:c [ml y [ml [ml [L.Nl [kN ml [kN m]
76.42 923.7 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (76.42,923.7) Radius 0. Om
Iterations: 5 Horir acceleration [F;g]: 0.0
Net vertical force [kN]: 0.0 Slip weight IkN] 2294.
Net horir force [kN]: 0.0 Disturbinq moment [kN ml: 59.84
Restoring moment [kN ml: 336.6
Factor of Safety: 5.626
Slip surface coordinates
Point x [m]
1 -1.500
2 -0.1000
3 0.0
: 0.1000 ' 320
6 ;:540
I 6.760
6 S.960
Y [ml
101.5
100.1
100.0
100.0
99.92
99.94
99.76
99.69
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure ikN1
u IkPa] T E
0.0 0.0 0.0
14.00 0.0 10.78
15.00 0.0 12.37
15.03 0.0 12 37
15.73 0.0 12: 49
15.42 0.0 12.60
15.61 0.0 12.74
lj.SO 0.0 12.89
E(U)
0.0
9.800
11.25
11.30
11.59
11.89
12.19
12.49
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I IkPal
0.0 3.000
0.0 0.01000
arogram SLOPE Version 17.9 Copyright @ 3997-2003 Oasys Ltd Page
Slope StsbilNy Analysis Printed 06-Dee-2003 Time 19:44
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 1OOm slip Iength - 1Odeg wedge
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
11.20 99.61 16.00
13.42 99.53 16.19
15.64 99.45 16.38
17.86 99.38 16.57
20.08 99.30 16.76
22.30 99.22 16.96
24.52
26.74
28.96
99.14
99.07
98.99
17.15
17.34
17.53
31.38 98.91 17.72
33.40 98.83 17.92
35.62 98.76 18.11
37.84 98.68 18.30
40.06 98.60 18.49
42.28 98.52 18.68
44.50
46.72
43.94
98.45
98.37
98.29
18.88
19.07
19.26
51.16 98.21 19.45
53.38
55.60
98.14
98.06
19.64
19.84
57.82
60.04
97.98
97.90
20.03
20.22
62.26 97.83 20.41
64.48 97.75 20.60
66.70 97.67 20.80
68.92
71.14
73.36
97.59
97.52
97.44
20.99
21.18
21.37
75.58
77.80
97.36
97.28
21.56
21.76
80.02
82.24
97.21
97.13
21.95
22.14
84.46
86.68
97.05
96.97
22.33
22.52
88.90
91.12
96.90
96.82
22.72
22.91
93.34 96.74 23.10
95.56 96.66 23.29
97.78
100.0
96.59
96.51
23.48
23.68
102.0 96.85 19.73
103.9 97.20 15.78
105.9
107.8
97.54
97.88
11.84
7.892
109.8
111.7
98.23
98.57
3.946
0.0
Slice Strength Parameters
No.
c' [kPd] Tan phi
1 0.01000 0.0
2 0.01000 0.0
3 3.000 0.0
4 3.000 0.0
z
7
8
3.000
3.000
3.000
3.000
0.0
0.0
0.0
0.0
9
10
3.000
3.000
0.0
0.0
11
12
3.000
3.000
0.0
0.0
13
14
3.000
3.000
0.0
0.0
15
16
3.000
3.000
0.0
0.0
17 3.000 0.0
18 3.000 0.0
19
20
3.000
3.000
0.0
0.0
21 3.000 0.0
22 3.000 0.0
23
34
3.000
3.000
0.0
0.0
Pore
Pressure
[):Pd]
7.000
14.50
15.02
15.13
15.32
15.51
15.71
15.90
16.09
16.28
16.48
16.67
16.86
17.05
17.24
17.44
17.63
17.82
18.01
18.20
18.40
13.50
18.78
18.97
0.0
0.0
0.0
K
0:o
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
X:i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Madeby Date Data Checked
CH OS-De@2003 Cot-rib BAf.sld c!+j
13.06 12.79
13.24
13.45
13.67
13.90
14.15
14.42
14.71
15.01
15.32
15.66
16.01
16.37
16.75
17.15
17.57
18.00
18.45
18.91
19.39
19.89
20.40
20.93
21.48
22.04
22.62
23.22
23.83
24.46
25.10
25.76
26.44
27.13
27.84
28.57
29.31
30.07
30.84
31.64
32.44
33.27
For inspection purposes only.
Consent of copyright owner required for any other use.
24.00
16.22
9.928
5.128
1.819
0.0
Slice
Weight
Forces on base [kN]
[kNJ
10.78
Normal
15.24
Shear
0.01980
1.595
1.652
36.95
37.42
37.89
38.36
38.83
39.29
2.255
1.651
36.93
37.40
37.87
38.34
38.81
39.28
0.001414
0.3002
6.664
6.664
6.664
6.664
6.664
6.664
39.76
40.23
40.70
39.75
40.22
40.68
6.664
6.664
6.664
41.17
41.64
41.15
41.62
6.664
6.664
42.11 42.09 6.664
42.58 42.56 6.664
43.05 43.03 6.664
43.52 43.50 6.664
43.98 43.97 6.664
44.45
44 . 07 _I
44.44
44.91
6.664
6.664
45.39 45.39 6.664
45.86 45.85 6.664
46.33 46.31 6.664
13.10
13.41
13.73
14.05
14.37
14.70
15.03
15.37
15.71
16.05
16.39
16.74
17.10
17.45
17.81
18.18
18.55
18.92
19.29
19.67
20.06
20.44
20.83
21.23
21.62
22.02
22.43
22.84
23.25
23.67
24.09
24.51
24.94
25.37
25.80
26.24
26.68
27.13
27.58
28.03
19.46
12.46
7.007
3.114
0.7786
0.0
rogram SLOPE Version 17.9 Copyright (0 1997-2003 Oasys Ltd Page :
Slope Stability Analysis Printed 06Dee-2003 Time 19~44
EPA Export 04-01-2007:02:18:43
a

3asys
lortib
‘eat stability - 1OOm slip length - IOdeg wedge
ilice
10.
25 3.000 0.0 19.16 46.80 46.7 8
26
27
z;
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
.29
30
31
32
33
34
35
36
37
38
39
40
41
3.000 0.0 19.36 47.27 41.25
3.000 0.0 19.55 47.74 47.72
3.000 0.0 19.74 48.20 48.19
3.000 0.0 19.93 48.67 48.66
3.000 0.0 20.12 49.14 49.13
3.000 0.0 '20.32 49.61 49.60
3.000 0.0 20.51 50.08 50.07
3.000 0.0 20.70 50.55 50.54
3.000 0.0 20.89 51.02 51.01
3.000 0.0 21.08 51.49 51.48
3.000 0.0 21.28 51.96 51.95
3.000 0.0 21.47 52.43 52.42
3.000 0.0 21.66 52.89 52.88
3.000 0.0 21.85 53.36 53.35
3.000 0.0 22.04 53.83 53.82
3.000 0.0 22.24 54.30 54.29
3.000 0.0 22.43 54.77 54.76
3.000 0.0 22.62 55.24 55.23
3.000 0.0 22.81 55.71 55.70
3.000 0.0 23.00 56.18 56.17
3.000 0.0 23.20 56.65 56.64
3.000 0.0 23.39 57.11 57.11
3.000 0.0 23.58 57.58 57.58
3.000 0.0 21.70 46.63 47.53
3.000 0.0 17.76 38.15 38.93
3.000 0.0 13.81 29.68 30.32
3.000 0.0 9.865 21.20 21.71
3.000 0.0 5.919 12.72 13.10
3.000 0.0 1.973 4.239 4.490
Surface Load [kPaI
Vert Horiz
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
E ::i
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
i::
E
0.0
0.0 0 . 0.
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0 t"o
0.0 0:o
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
Water Pressure on
ground surface [kPa]
Vert Horiz
E 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
X:i 0.0
0.0 0.0
0.0
0.0
0.0
0.0
2: 0.0
0.0
0.0 ii::
0.0 0.0
E 0.0
0.0 0.0
0.0 0.0
E 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
8Tl
0.0
0:o
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
Job NO. Sheet No. Rev.
114662 FL3
Drg. Ref.
Madeby Date Data Checked
CH 05-D=2003 Corrib SAl.sM Cw
rogram SLOPE Version 17.9 Copyright @ 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed OS-Dee-2003 Time 19:44
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
6.664
5.950
5.950
5.950
5.950
5.950
5.950
For inspection purposes only.
Consent of copyright owner required for any other use.
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
Corrib Onshore Terminal
Slope geometric data
Slope length L = 100 m
Passive wedge angle 8 = 20 degs
xl 1 0
yl 101.5
x2 0
y2 100
x3 100 Set length
y3 96.50792
X5 190.6397 ground surface x at y=y3 1
~
For inspection purposes only.
Consent of copyright owner required for any other use.
1 1 /-Ground surface 1
I
0 50 100 150 200
Distance (m)
Job No. 114662 Sheet l/l
Made by: CH Chkd:.%.
Date: 30111/2003
Rev: -,- 0
J \100@30~114662\~lcs~heets\SL0PE da,a aIs I Slip surface mlh actwe wedge Pnnled 05112J2003 15 53
EPA Export 04-01-2007:02:18:43
FZrl
a

3asys
‘orrib
eat stability - lOOm slip length - 2Odeg wedge
Job No.
114662
Drg. Ref.
,04.Q . ?_ :
._ .
,. ..:. . ‘: “.
96.00
96.00
94.00
92.00
-2O.OQ
Scale x I:1558 y 1182
For inspection purposes only.
Consent of copyright owner required for any other use.
Sheet No. Rev.
Made by Data Data Checked
CH 0!5-Dee-2003 Corrib BB2.sld Cbj
2o:oo 60.00 1ob.o 146.0 180.0 ”
t
Program SLOPE Version 17.9 Copyrlght Q 1997-2003 Oasys Ltd Page 1
Slope Stability Analysis Printed OS-De-2003 Time 16:06
_. _
EPA Export 04-01-2007:02:18:43

oasys
Corrib
Peat stability - 1OOm slip length - 2Odeg wedge
Job No.
114662
Drg. Ref. I
For inspection purposes only.
Consent of copyright owner required for any other use.
F% --(
Sheet No. Rev.
Made by Date Rata Checked
CH OIDec-2003 Corrib Bf32sld CM
rogram SLOPE Version 17.9 Copyright (0 1997-2005 Oasys Ltd Page
Slope Stability Analysis Printed 05-Dee-2003 Time 16:05
EPA Export 04-01-2007:02:18:43

Jasys
Zorrib
‘eat stability - 1OOm slip length - 20deg wedge
.’ IkPa,
3.000
3.000
Tan .
:%
Loo0
3.000
3.000
s.*oo
3.000
3.000
3.000
3.000
3.000
2%
3:ooo
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
1.000
LOO0
3.000
3.000
3.000
3 .a00
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
2.000
3.000
3.000
3.000
1.000
3.000
3.000
3.000
CIO
0.0
0.0
0.0
0.0
LO
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
a.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
2::
0.0
0.0
0.0
U.0
0.0
0.0
0.*
0.*
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0. 0
0.0
0.0
Phi
0.0
0,O
010
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i::
0.0
2:
0.0
0.0
0.6
::i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
b.0
0.0
PXSSSliZE
,kPa,
1.000
14.50
IS.02
15.13
IS.31
15.50
15.68
IS.86
ILOS
16.23
16.42
16.60
16.79
16.47
I'f.15
17.34
17.52
t7.71
17.65
18.08
18.56
18.44
18.63
lb.81
19.00
19.18
19.36
19.55
19.7,
19.52
20.10
20.29
20.47
20.6s
20.64
21.02
21.2,
21.35
21.58
21.76
21.54
22.13
22.31
22.50
22.m
22.E7
23.05
23.23
23.42
23.60
20.73
t4.e1
8.896
2.562
36.23
36.66
37.05
37.52
37.53
::*i:
35:zs
39.68
JO.lL
40.54
40.57
41.40
il.63
42.26
42.69
43.12
43.55
43.98
44.4,
i4**s
:::::
46. ti
4Q.C.f
47.00
47.43
47.66
48.29
46.12
44.15
CC.56
so.02
SO.45
50.86
51.31
Sl.74
sz. 17
52.60
53.01
53.46
53.84
54.32
54.75
5s. 19
34.67
21.76
14.66
4.552
tkP4 "Lcol vLn.S"rm on
$ww.und .ur~.c.a (kP&)
HoliZ volt HlJ=k
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0
:.z . .
2: 0.0
0.0
0.0 0.0 0.0
2: 0.0 0.0
0.0 P.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.D
0.0 0.0 0.0
E 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 a.0 0.0
0.0 0.0 0.0
E 0.0
0.0 E
0.0 0.0 0.D
0.0 0.0 0.0
0.0 0.c 0.0
0.0 0.0 0.0
2: 0.0
i::
0.0 0.0 0,O
0.0 0.0
Cl.0 0.0 i:!
0.0 0.0 0.0
E 0.0
0.0 2::
::: 0.” 0 . I? 0.0
0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0
0.0
0.0 2::
0.6
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0-n 0.0 0.0
Oib 0.0 0.0
0.” 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 n.a 6.0
0.0 6.0 0.6
0.0 2. in 0 . 6
14.20
2.,61
L.651
35.25
35.78
36.21
36.6;
37.07
37.51
37.s
36.3,
38.80
39.23
39.66
IO.09
10.52
10.95
41.35
41.82
42.26
4.?.‘B
43.11
43.5,
43.37
44.40
44.83
45.2,
45.70
46.13
46.56
46.55
47.42
i?.BS
48.28
41.71
is.14
45.56
50.01
so.45
50.61
51.30
51.73
S2.!6
52.54
53.02
53.46
Sl.Gk
54.22
s4.75
5s. *a
3hC.Z
5.940
0.4243
0.3002
6.380
6.380
:‘%
r:3eo
6.380
6.380
6.380
6.380
6.360
6.350
6.380
6.380
6.380
6.380
6.380
z::
o:aeo
6.380
6.380
6.380
6.380
6.380
6.3bO
6.380
6.360
6.3&O
6.360
6.380
6.380
6.380
6.330
6.380
6.380
6.360
6.380
6.360
6.360
6.380
8.360
6.3bO
6.3)0
6.360
6.360
6.X0
6.380
i.ns.2
4.652
4.e52
4.652
Job No.
114662
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Sheet No. Rev.
Data Data Checked
OS-Det2003 Corrlb BB2,sld CH
‘rogram SLOPE Version 17.9 Copyright a 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed D5-De-2003 Time 16:05
EPA Export 04-01-2007:02:18:43

a.si
5II.,2
0@.7*
For inspection purposes only.
Consent of copyright owner required for any other use.
rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys ttd Page
Slope Stability Analysis Printed 05-Dee2003 Time 16:07
EPA Export 04-01-2007:02:18:43

3asys
Zorrib
‘eat stability - 1OOm slip length - 20deg wedge
3.000
P.000
3.000
3,000
3.000
“*lb 1
0.0
0.0
E
0.0
it:
:::
EJ
0.0
0.0
Z:i
0.d
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
o.*
E
:::
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
0.0
0.9
0.0
0.0
0.0
phi
0.0
0.0
0.0
2:
0.0
0.0
0.0
0.0
E
0.0
0.0
0.0
0.0
0.0
:::
*.o
0.0
0.0
0.0
0.0
d.0
0.0
0.0
0.0
2:
D.0
0.0
0.0
0.0
El
0.D
:::
0.0
0.0
0.0
0.0
0.0
Z
0.0
0.0
:::
0.0
0.0
0.0
0.0
0.0
Irp-1
I
~X(1‘mmo
,)iPn,
7.000
11.50
15.02
15.13
15.31
15.50
15.64
15.66
16.0,
16.23
1G..iZ
16.60
lb.79
16.99
17.15
n.34
17.52
17.71
17.69
VS.08
18.26
lG.iC
18.63
18.81
15.00
19.10
15.36
15.55
IS.73
18.52
20.10
20.29
20.&T
20.65
20.85
21.02
21.21
21.33
21.58
X.76
21.5c
22.13
22.31
f2.50
22.66
22. e7
23.05
2,.23
23.iz
23.60
20.73
l4.El
2.4s
'..L62
!a+&
I111
LO.78
1.595
l.GL.2
35.37
35.60
26.23
36.66
31.04
31.52
37.55
38.38
3b.81
39.25
38.68
40.11
iO.54
VI.91
il.10
11163
42.26
42.69
17.12
43.55
il.'B
Ji.4,

ArupGeotechnics Job No. 114662 Sheet l/l j~b(3
Made by: CH Chkd:..%?,
Corrib Onshore Terminal Date: 30/l 112003
Slope geometric data Rev: -,- 0
Slope length L = 100 m
Passive wedge angle 8 = 30 degs
xl 0
yl 101.5
x2 0
y2 100
x3 100 Set length
y3 96.50792
X5 190.6397 ground surface x at y=y3
Ground profile
Y
-2”o 102.0237
0 101.5
190.6397 96.50792
Peat profile Slip surface
4.
Y
Y
JO 100 -1:s 101.5
0 100 1 0 100
500 82.53962 1 100 96.50792
1 103.9326 98.77843
For inspection purposes only.
Consent of copyright owner required for any other use.
50 100
Distance [m)
J \1CMlCU1114662kalc&.heeMSlOPE data tis 1 S(rp surlace wnlh aClwe wedge Pmted 0511212003 15 55
EPA Export 04-01-2007:02:18:43

!at stabitity - 1Offm dip length - 30deg wedge
104.0
96.00
94.00
92.00
Made by Date Data Checked
Cl-l 0%Dso-2003 Corfib BB3.sId CM
. ._ ." . .__ 1. .~. . . ._ ._ . . .._. . j _ ,,. _..
.20&l 20100
Scale x 1:l.W y 1182
For inspection purposes only.
Consent of copyright owner required for any other use.
, ‘rogram SLOPE Version 17.9 Copyright &3 1997-2003 Oasys Ltd
Slope Stability Analysis
60:00 sob.0 140.0 180.0
Page 1
Printed 06-Dee-2003 Time 19:47
EPA Export 04-01-2007:02:18:43

Oasyys
Corrib
Peat stability - 1OOm dip length - 30deg wedge
Job No,
114662
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Sheet No. Rev.
Date Data Checked
OS-Des2003 Corrib BBB.sld ckj
‘rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 19:47
EPA Export 04-01-2007:02:18:43

‘. . *
.,.: -.
0
3asys
Job No. Sheet
I
No.
Zorrib Drg. Ref.
‘eat stability - 1OOm slip length - 30deg wedge
Made by
li
0.0
0.0
0.0
0.0
0.0
0.0
0.6
0.0
0.0
0.0
1.0
0;0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
ii0
0.0
0.0
0.0
i:i
0:c
0.0
0.0
0.0
0.0
0.0
0.b
0.0
D.0
6.0
0.0
0.0
0.0
0.0
0.0
WA1
,srir
0.0
0.0
0.0
0.D
0.0
0.0
2:
Il.0
0.0
PX*.S”r*
[kP.tl
1.000
,*.50
11.02
15.13
15.3*
15.49
15.67
15.85
- 16.03
16.21
16.39
16.57
16.7‘
L6.94
t7.12
17.30
17.48
17.66
17.84
1e.02
::::;
18.57
16.75
18.93
,,.lI
19.29
19.47
14.65
19.e4
20.02
20.20
20.36
20.56
20.74
20.52
21.10
2L.2B
21.47
2L.GS
2L.63
22.01
:::t: \
22.55
22.73
22.91
33.x0
23.26
23.46
ii3.64
l9,7?
52.46 52.45
52.87
52.67
53.29 53.26
53.70 5x.10
54.12 54.11
.?e,so
.u.,7
11.10 20.2,
5.655 7.042
aherr
5.940
0.1243
Oi3E
6:2cB
6.248
G.246
6.249
6.248
6.248
1.248
6.248
6.248
6.248
6.238
6.248
6,246
6.248
6.248
6.249
6.248
6.248
b.ZIB
6.240
6.2iB
6.248
6.246
6.246
6.246
b.24B
c.24e
6.246
6.246
‘.24B
6.2'8
6.240
8.246
6.248
6.248
6.248
6.2iB
6.246
6,Pie
6.24B
a.a;r
6.242
G.ZiP
G.348
E.244
6.246
6.246
4.536
4.53'
4.53;
For inspection purposes only.
Consent of copyright owner required for any other use.
Rev.
t
Date Data Checked
a-l - 0%Dee-2003 Corrib BB3,sld t-L4
rogram SLOPE Version $7.9 Copytight 0 1997-2003 Oasys Ltd Page
lope Stsbiiity Analysis Printed 06-Dee-2003 Time 19
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - IOOm slip length - 30deg wedge
Job No. Sheet No. Rev.
13 4662
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Date Data Checked
05-Dee-2003 CorrIb BAB.sld C 14
rogram SLOPE Version 17.9 Copyright (0 1997-2003 Oasys Ltd Page 1
lope Stability Analysis Printed 06-Dee-2003 Time 19~48
EPA Export 04-01-2007:02:18:43

3asys
:orrib
‘eat stability - 1OOm slip length - 30deg wedge
_.
:::::
15.49
15.67
15.85
16.03
16.21
16.39
lb.57
16.16
16.94
17.12
17.30
17.40
17.66
11.84
l8.02
18.20
18.35
16.57
18.75
18.53
15.11
15.25
18.4,
15.65
15.64
20.02
20.20
20.38
20.56
201-N
20.92
::::;
_I
2104’1
21.65
21.63
22.01
22.19
22.37
22.55
22.73
22.41
i3.10
23.26
23.46
23.64
19.11
Il.86
3.955
i5.04
5.46
35.87
36.25
36.70
37.11
37.53
37.95
38.16
38.71
35.15
38.60
40.02
40.43
PP.05
il.26
41.68
X
::*:
43175
a.,‘)
44.58
c5.00
45.41
C5.82
46.24
46.6s
J7.01
47.48
41.40
48.3,
i8.13
49.14
49.56
49.87
SO.29
SO.80
51.22
51.63
52.0;
52.46
52.67
53.25
5?.70
51.12
26.50
15.10
5.694
15.21 0.01080
2.255 0.001414
1.651 0.3OOP
14.61 6.248
35.02 6.248
15.41 6.218
35.85 6..%6
16.27 C.248
36.68 6.246
37.10
6.248
37.5, 6.246
31.53 6.248
36.34 6.248
38.76 6.246
35.17
6.218
30.59 6.246
40.*0 6.248
qo.42 6.248
40.8,
41.3s
6.216
6.248
il.66 6.246
.42.08 6.246
12.42 c.2.m
AZ.*, 6.248
43.32 6.246
43.X 6.248

ArupGeotechnics Job No. 114662 Sheet 1 Pl
Made by: Cl-t Chkd:.

=>asys
krrib
?eat stability - 1OOm slip length - 40deg wedge
, 0 4 . 0 : . . - .
96.00
92.00
-20.00 2o:oo
Sca!e x I:1558 y I:82
Job No.
I -I 4662
Dtg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Sheet No.
!
Fa”7
I d
Made by Date Data Checked
CH 05Dee-2003 Corrib BM.sld c&p
60.00 100.0 14b.o 180.0
‘ragram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Lld Page
Slope Stability Analysis Printed 05Dee-2003 Time 16:23
EPA Export 04-01-2007:02:18:43
Rex

Oasys
Corrib
Peat stability - 100111 slip length - 40deg wedge
General Parameters
Direction of slip: DOWNHILL
Minimum slip weight [kN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu {Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
NO. Description Unit Weight
Above GWL Below GWL
[kN/m31 IkN/m31
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
1 1 102.0 101.5 101.5
2 2 102.0
101.; 100.0
GWLl 102.0 101.;
101.5
Slip 101.5 100.0
Stratum Material x -->
106.1 190.6 190.7
1
2
GKLl
Slip
1
2
98.72
96.51
90.00
96.51
90.00
96.51
Groundwater
Fore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [mJ
Unit weight of water: 10.00 kN/m”
Number of phreatic surfaces: 1
Job No.
114662
Drg. Ref.
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
:i [m] y Iml [ml [kNl [kN m] fkN m]
68.90 808.3 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (68.90,808.3) Radius O.Om
Iterations: 5 Horiz acceleration [fg]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kIJ] 2179.
Net horiz force (kN]: 12.69E-6 Disturbing moment [kN ml: 56.74
Restoring moment [kN m]: 323.4
Factor of Safety: 5.699
Slip surface coordinates
Point x [ml Y [ml
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
4 0.1000 100.0
5 2.181 99.92
6 4.262 99.85
7 6.344 99.78
E 8.425 99.71
Pore
Pressure
u [kPJ]
0.0
14.00
15.00
15.03
15.22
15.40
15.58
15.76
For inspection purposes only.
Consent of copyright owner required for any other use.
Interslice forces
WV
T E EIul
Sheet No.
FX%
Rev.
Made by Date Data Checked
Cl-l 05-Dee-2003 Corrib BM.sld CY
0.0
0.0
9.306 0.0
10.80
9.2
11.25
0.0 10.80 11.30
0.0
0.0
0.0
0.0
10.91
11.04
11.18
11.33
11.58
11.85
12.13
11.51
Shear Strength
Parameters
Phi or c or CO'
Phi0
[“I [kPal
0.0 3.000
0.0 3.000
0.1000 100.0 102.7
101.5 98.81
90.00
101.5
96.51 98.8;
rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
lope Stabtlity Analysis Printed 05-Dee-2003 Time l&13
EPA Export 04-01-2007:02:18:43

3asys
Iorrib
‘eat stability - 1OOm slip length - 40deg wedge
9
10
:;
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
;i
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
10.51 99.63 15.94
12.59 99.56 16.12
14.61 99.49 16.30
16.75 99.42 16.48
18.83 99.34 16.66
20.91 99.27 16.84
22.99 99.20 17.02
25.08 99.12 17.20
27.16 99.05 17.38
29.24 98.98 17.56
31.32 98.91 17.74
33.40 98.83 17.92
35.48 98.76 18.10
37.56 98.69 x8.28
39.64 98.62 18.46
41.72 98.54 18.64
43.81 98.47 18.82
45.89 98.40 19.00
47.97 98.33 19.18
50.05 98.25 19.36
52.13 98.18 19.55
54.21 98.11 19.73
56.29 98.04 19.91
58.38 97.96 20.09
60.46 97.89 20.27
62.54 97.82 20.45
64.62 97.74 20.63
66.70 97.67 20.81
68.78 97.60 20.99
70.86 97.53 21.17
72.94 97.45 21.35
75.03 97.38 21.53
77.11 97.31 21.71
79.19 97.24 21.89
81.27 97.16 22.07
83.35 97.09 22.25
85.43 97.02 22.43
87.51 96.95 22.61
89.59 96.87 22.79
91.68 96.80 22.97
93.76 96.73 23.15
95.84 96.66 23.33
97.92 96.58 23.51
100.0 96.51 23.69
101.4 97.66 11.85
102.7 98.81 0.0
102.7 98.81 -0.02380
Slice Strength Parameters
g0.
c' [k&k] Tan phi
1 3.000 0.0
2 3.000 0.0
3 3.000 0.0
4 3.000 0.0
5 3.000 0.0
6 3.000 0.0
7 8 3.000 ii::
9 3.000 0.0
10 11 3.000 i::
12 3.000 0.0
13 3.000 0.0
14 15 3.000 E
16 3.000 0.0
17 3.000 0.0
18 3.000 0.0
19 3.000 0.0
20 3.000 0.0
21 3.000 0.0
22 3.000 0.0
23 3.000 0.0
24 3.000 0.0
0.0
0.0
0.0
0.0
0.0
8::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
8::
0.0
i::
0.0
0.0
0.0
0.0
0.0
Kl
0:o
E
0:o
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Job No. Sheet No. Rev.
114662 -a
Drg. Ref.
Pore Slice Forces on base [WI
Pressure Weight
[kPa] ikN1 Normal Shear
7.000 10.78 14.20 5.940
14.50 1.595 2.181 0.4243
15.02 1.652 I.651 0.3002
15.13 34.63 34.61 6.248
15.31 35.04 35.02 6.248
15.49 35.46 35.44 6.248
15.67 35.87 35.85 6.248
15.85 36.28 36.27 6.248
16.03 36.70 36.68 6.248
16.21 37.11 37.10 6.248
16.39 37.53 37.51 6.248
16.57 37.94 37.93 6.248
16.75 38.35 38.34 6.248
16.93 38.77 38.75 6.248
17.11 39.18 39.17 6.248
17.29 39.60 39.58 6.248
17.47 40.01 40.00 6.248
17.65 40.43 40.41 6.248
17.83 40.84 40.83 6.248
18.01 41.25 41.24 6.248
18.19 41.67 41.66 6.248
18.37 42.08 42.07 6.248
18.55 42.50 42.48 6.248
18.73 42.91 42.90 6.248
Made by Date Date Checked
CH 05-De~2003 Corrlb BB4sM cy
11.50 12.70
11.69 12.99
11.89 13.28
12.IO 13.58
12.33 13.88
12.57 14.18
12.82 14.48
13.09 14.79
13.38 15.10
13.68 15.42
13.99 15.74
14.32 16.06
14.66 16.38
15.02 16.71
15.39 17.04
15.78 17.38
16.18 17.72
16.59 18.06
17.02 le.40
17.47 le.75
17.93 19.10
18.40 19.46
19.89 19.81
19.39 20.17
19.91 20.54
20.44 20.90
20.98 21.28
21.54 21.65
22.12 22.03
22.70 22.41 .
23.31 22.79
23.92 23.18
24.56 23.57
25.20 23.96
25.86 24.36
26.54 24.76
27.23 25.16
27.93 25.57
28.65 25.98
29.38 26.39
30.13 26.80
30.89 27.22
31.67 27.65
32.46 28.07
8.746 7.018
0.002513 0.0
12.69E-6 0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Irogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
Slops Stability Analysis Prlnted 05-Dee-2003 Time 16113
EPA Export 04-01-2007:02:18:43
-

Oasys
Corrib
Peat&ability - 100111 slip length - 40deg wedge
Slice
no.
25
26
27
28.
29
30
31
32
33
34
:z
37
38
39
40
41
42
43
44
45
46
47
48
49
SO
51
52
53
54
1
2
3
4
5
6
7
i
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
Surface Load [kPa]
Vext 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
8::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Horiz
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i?X
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
8::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
18.91
19.09
19.27
19.46
19.64
19.82
20.00
20.18
20.36
20.54
20.72
20.90
21.08
21.26
21.44
21.62
21.80
21.98
22.16
22.34
22.52
22.70
22.88
23.06
23.24
23.42
23.60
17.77
5.924
0.0
43.32
43.74
44.15
44.57
44.98
45.40
45.81
46.22
46.64
47.05
47.47
47.88
48.29
48.71
49.12
49.54
49.95
50.37
SO.78
51.19
51.61
52.02
52.44
52.85
53.26
53.68
54.09
26.79
8.954
35.96E-6
Water Pressure on
ground surface IkPa]
Vert Horiz
0.0
0.0
0.0
0.0
0.0
0.0
8::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
CH - 05Dee-2003 Corrlb BB4.sld
43.31 6.248
43.73
44.14
44.56
44.97
45.38
45.80
46.21
46.63
47.04
47.46
47.87
48.29
48.70
49.11
49.53
49.94
50.36
50.17
51.19
51.60
52.02
52.43
52.84
53.26
53.67
54.09
35.77
12.48
0.001638
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
6.248
5.361
5.361
0.01077
For inspection purposes only.
Consent of copyright owner required for any other use.
rogram SLOPE Version ? 7.9 Copyright Qs 1997-2003 Oasys ttd Page
I
3
Slope Stability Analysis Printed 05-Dee-2003 Time X:13
EPA Export 04-01-2007:02:18:43

llasys
Iorrib
‘eat stability - 1OOm sfip length - 4Odeg wedge
c kaneral Parameters
0 irection of slip: DOWNHILL
M Linimutn slip weight [kN] : 10
T 'ype of analysis : STATIC
B malysis Options
E 'actor of safety on : SHEAR STRENGTH
L linimum number of slices: 50
I! lethod : Janbu (Horizontal interslice forces
1 Iaximum number of iterations: 100
B laterial properties
No. Description
1 peat 1
2 peat 2
Unit Weight
Above GWL Below GWL
[kN/m3] IkN/m33
11.00 11.00 Undrained
11.00 11.00 Undrained
I Job No. Sheet No. Rev.
1 CH - OS-Dee2003 Corrib BA4.sld CM
Shear Strength
Parameters
Phi or c or co1
Phi0
["I tkPa1
0.0 3.000
0.0 0.1000
C Coordinates of top of soil strata
I :tratunt Material x -->
-20.00 -1.500 -0.1000 0.0 0.1000 100.0 106.1
1
102.0 101.5 101.5 101.5 98.72
2 ; 102.0 101.; 100.0 90.00
GWLl 102.0 101.; 101.5 101.5 98.7;
Slip 101.5 100.0 96.5; 98.72
! Eraturn Material x -->
190.6 190.7
1
2 :
96.51
90.00 90.00
GWLl
Slip
96.51 96.51
I Sroundwater
1 Pore pressure distribution type: HYDROSTATIC
I naximum soil suction: 0.0 [m]
I Jnit weight of water: 10.00 kN/m3
I gumber of phreatic surfaces: 1
For inspection purposes only.
Consent of copyright owner required for any other use.
I RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FOS Moment Moment
x [ml Y [ml [ml fkN1 [kN m] [kN m]
71.70 851.1 0.0
1 WORST CASE : WATER CASE 1 OF 1
Centre at [71.70,851.11 Radius O.Om
Iterations: 5 Horiz acceleration [?g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN) 2221.
Net horiz force IkN]: -10.49E-6 Disturbing moment [kN ml: 57.90
Restoring moment [kN ml: 321.3
Factor of Safety: 5.550
Slip surface coordinates Pore Interslice z?oorces
Pressure uw
Point 2: [ml Y tml u [kPa] T E Elul
1 -1.500 101.5 0.0 0.0 0.0 0.0
2 -0.1000 100.1 14.00 0.0 10.73 9.800
3 0.0 100.0 15.00 0.0 12.32 11.25
4 0.1000 100.0 15.03 0.0 12.32 11.30
5 2.226 99.92 15.22 0.0 12.41 11.58
6 4.351 99.85 15.40 0.0 12.51 11.86
7 6.477 99.77 15.59 0.0 12.62 12.15
E 8.602 99.70 15.77 0.0 12.75 12.44
I
Program SLOPE Veraion 17.9 Copyright (B t997-2003 Oasys Ltd Page 1
Slope Stability Analysis Printed 05Dee-2003 Time 16:14
EPA Export 04-01-2007:02:18:43

oasys
Corrib
Feat stability - lOOm slip length - 4Qdeg wedge
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
:::
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
10.73 99.63 15.96
12.85 99.55 16.14
14.98 99.48 16.32
17.10 99.40 16.51
19.23 99.33 16.69
21.36 99.25 16.88
23.48 99.18 17.06
25.61 99.11 17.25
23.73 99.03 17.43
29.86 98.96 17.61
31.98 98.88 17.80
34.11 98.81 17.98
36.23 98.74 18.17
38.36 98.66 18.35
40.49 98.59 18.54
42.61 98.51 18.72
44.74 98.44 18.90
46.86 98.36 19.09
48.99 98.29 19.27
51.11 98.22 19.46
53.24 98.14 19.64
55.36 98.07 19.83
57.49 97.99 20.01
59.61 97.92 20.19
61.74 97.85 20.38
63.87 97.77 20.56
65.99 97.70 20.75
68.12 97.62 20.93
70.24 97.55 21.12
72.37 97.47 21.30
74.49 97.40 21.48
76.62 97.33 21.67
78.74 97.25 21.85
80.87 97.18 22.04
83.00 97.10 22.22
85.12 97.03 22.41
87.25 96.96 22.59
89.37 96.88 22.71
91.50 96.81 22.96
93.62 96.73 23.14
95.75 96.66 23.33
97.87 96.58 23.51
100.0 96.51 23.69
101.5 97.06 17.77
103.0 97.62 11.85
104.6 98.17 5.924
106.1 98.72 0.0
Slice Strength Parameters
NO.
c' [kPa] Tan phi
1 0.1000 0.0
2 0.1000 0.0
3 3.000 0.0
4 3.000 0.0
5 3.000 0.0
6 3.000 0.0
1 3.000 0.0
3.000 0.0
i
3.000 0.0
10 3.000 0.0
11 3.000 0.0
12 3.000 0.0
13 3.000 0.0
14 3.000 0.0
15 3.000 0.0
16 3.000 0.0
17 3.000 0.0
18 3.000 0.0
19 3.000 0.0
30 3.000 0.0
21 3.000 0.0
22 3.000 0.0
23 3.000 0.0
24 3.000 0.0
0.0 12.89
0.0 13.05
0.0 13.23
0.0 13.42
0.0 13.62
0.0 13.84
0.0 14.07
0.0 14.32
0.0 14.59
0.0 14.87
0.0 15.16
0.0 15.47
0.0 15.80
0.0 16.14
0.0 16.49
0.0 16.86
0.0 17.24
0.0 17.64
0.0 18.06
0.0 18.49
0.0 18.93
0.0 19.39
0.0 19.87
0.0 20.36
0.0 20.86
0.0 21.38
0.0 21.92
0.0 22.47
0.0 23.03
0.0 23.61
0.0 24.23.
0.0 24.82
0.0 25.44
0.0 26.08
0.0 26.74
0.0 27.41
0.0 28.09
0.0 28.79
0.0 29.51
0.0 30.24
0.0 30.99
0.0 31.75
0.0 32.52
0.0 18.99
0.0 9.061
0.0 2.730
0.0 -10.49E-6
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Slice Forces on base [kN]
Pressure Weight
[L.Pa] [kN] Normal Shear
7.000 10.78 15.21 0.1980
14.50 1.595 2.253 0.01414
15.02 1.652 1.651 0.3002
15.13 35.31 35.35 6.380
15.31 35.80 35.78 6.380
15.50 36.23 36.21 6.380
15.68 36.66 36.64 6.380
15.86 37.09 37.07 6.380
16.05 37.52 37.50 6.380
16.23 31.95 37.94 6.380
16.42 38.38 38.37 6.380
16.60 38.81 38.80 6.380
16.79 39.25 39.23 6.380
16.97 39.68 39.66 6.380
17.15 40.11 40.09 6.380
17.34 40.54 40.52 6.380
17.52 40.97 40.95 6.380
17.71 41.40 41.38 6.380
17.89 41.83 41.82 6.380
18.08 42.26 42.25 6.380
19.26 42.69 42.68 6.380
18.44 43.12 43.11 6.390
18.63 43.55 43.54 6.380
la.el 43.99 43.97 6.380
Made by Date Data Checked
CH OCDec-2003 Corrib BA4.sld cl4
rogram SLOPE Version
lope Stability Analysis
17.9 Copyright 0 1997-2003 Oasys Ltd
Printed OS-Dee-2003
Page
Time 16:14
EPA Export 04-01-2007:02:18:43
12.73
13.03
13.32
13.63
13.93
14.24
14.56
14.87
15.19
15.51
15.84
16.17
16.50
16.84
17.18
17.52
17.87
18.22
18.57
18.93
19.29
19.65
20.02
20.39
20.76
21.14
21.52
21.91
22.29
22.68
23.08
23.48
23.88
24.28
24.69
25.10
25.51
25.93
26.35
26.78
27.21
27.64
28.07
15.79
7.018
1.755
0.0

: ‘,
:. .: _-
a
0
0
Qasys
Job No. Sheet No. Rev.
ZOWib
9 14662
Drg. Ref.
?eat stability - IOOm slip length - 40deg wedge
25- 3.000 0.0 19.00 44.41 44.40
Madeby
CH
6.380
Date
Q5-Dee-2003
Data
CorribBA4,sld
Checked
CM
26
27
3.000
3.000
0.0
0.0
19.18
19.36
44.85
45.28
44.83
45.26
6.380
6.380
28
29
30
31
32
33
34
35
36
31
38
39
40
41
42
43
44
45
46
47
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
0.0
0.0
0.0
Kl
0.0
0.0
0.0
0.0
0.0
0.0
i-x
0:o
0.0
0.0
i-8
0:o
0.0
19.55
19.73
19.92
20.10
20.29
20.47
20.65
20.84
21.02
21.21
21.39
21.58
21.76
21.94
22.13
22.31
22.50
22.68
22.87
23.05
45.71
46.14
46.57
47.00
47.43
47.86
48.29
48.72
49.15
49.58
50.02
50.45
50.88
51.31
51.74
52.17
52.60
53.03
53.46
53.89
45.70
46.13
46.56
46.99
47.42
47.85
48.28
48.71
49.14
49.57
50.01
50.44
50.87
51.30
51.73
52.16
52.59
53.02
53.45
53.89
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
6.380
48 3.000 0.0 23.23 54.32 54.32 6.380
49 3.000 0.0 23.42 54.75
54.75 6.380
50 3.000 0.0 23.60 55.19 55.18 6.380
51 3.000 0.0 20.73 34.67 37.20 4.052
52 3.000 0.0 14.81 24.76 26.66 4.852
53 3.000 * 0.0 8.886 14.86 16.13 4.852
54 3.000 0.0 2.962 4.952 5.587 4.852
slice
IO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
::
33
34
35
36
37
38
39
40
41
Surface Load [kPa]
Vert Horiz
0.0 0.0
0.0
x?l
0.0
0:o
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 ii::
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
Water Pressure on
ground sutface [kPa]
Vert Horiz
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
0.0
in"0
0:o
8::
0.0
0.0
Z:Z 0.0
0.0 0.0
0.0 i::
0.0
0.0
0.0
0.0
8:: 0.0
0.0 0.0
0.0 0.0
0.0 ia:
0.0 0:o
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
8:: 0.0
0.0 0.0
i:: 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
‘rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05Deo2003 Time 16:14
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
Made by: CH Chkd:..!%
Corrib Onshore Terminal Date: 30/I WOO3
Slope geometric data Rev: -,- 0
Slope length L = 100 m
Passive wedge angle 8 = 45 degs
xl I 0
yl 1 101.5
x2 I 0
y2 1 100
x3 100 Set length
y3 96.50792
x5 190.6397 ground surface x at y=y3 I
Ground profile Peat profile Slip surface
-2”o
I Y
1 102.0237 -;0
Y
100 -115
Y
101.5
0 1 101.5 0 100 0 100
190.6397 1 96.50792 500 82.53962 100 96.50792
102.3129 98.82084
105 ,
95 1
I
1
For inspection purposes only.
Consent of copyright owner required for any other use.
-50 0 50 100
!
I
Distance(m)
150 200
Job No. 114662 Sheet 111 bb
Pmwd 05172I72003 15 55
EPA Export 04-01-2007:02:18:43

3mys
orrib
eat stability - 1OOm slip length - 45deg wedge
96.00
94.00
92.00
-20.00
SC&x 1:1558 y1:82
20.00
Jab No. Sheet No.
114662 r-6
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Rev.
Date Data Checked
05Dee-2003 Carrib BAS.sId ($H
60.00 7ob.o 140.0 180.0
‘rogram SLOPE Version
Slope Stability Analysis
17.9 Copyright 10 1997-2003 Oasys Ltd -.
rnnrea
. ^^_~~ ^^^I
“b”eC-Z”Ub
Page
W,~__
i,me
-1.
IX 51
EPA Export 04-01-2007:02:18:43
-I
1

Oasys
Corrib
Feat stability - 1OOm slip Iength - 45deg wedge
General Parameters
Direction of slip: DOWNHILL
ginimum slip weight {kN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu {Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
NO. Desoription Unit Weight
Above GWL Below GWL
[kN/m3 I [kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top
Stratum Material.
1 1
2 2
GWLl
Slip
Stratum Material
1 1
2 2
GWLl
Slip
of soil
x -->
-20.00
102.0
102.0
102.0
x -->
190.6
96.51
90.00
96.51
strata
-1.500 -0.1000 0.0
101.5
101.5
101.5
101.5 100.0
101.5
101.5 100.0
190.7
90.00
96.51
Groundwater
Fore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
Made by
- CH
Date Data Checked
OS-Dee-2003 Corrib BASsId
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I [kPa]
0.0 3.000
0.0 0.01000
0.1000 100.0 102.3
101.5 98.82
90.00
101.5
For inspection purposes only.
Consent of copyright owner required for any other use.
RFSULTS OF ANAY,YSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
s [ml Y [ml [ml lkN1 [kN ml [kN ml
68.62 805.7 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (68.62,805.7] Radius 0. Om
Iterations: 5 Horiz acceleration [%g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN) 2173.
Net horiz force [kN]: 13.35E-6 Disturbing moment [kN m]: 56.60
Restoring moment [kN m): 314.3
Factor of Safety: 5.552
Slip surface coordinates Pore Interslice forces
Pressure IkNl
Point s [ml y [ml u [kPa] T E E(u)
1 -1.500 101.5 0.0 0.0 0.0 0.0
2 -0.1000 100.1 14.00 0.0 10.77 9.800
3 0.0 100.0 15.00 0.0 12.37 11.25
: 0.1000 2.139 100.0 99.93 15.03 15.21 0.0 12.37 12.45 il.30 11.57
6
7
4.178
6.716
99.85
99.78
15.39
15.57
0.0
0.0
12.55
12.66
11.84
12.11
6 8.255 "9.71 15.74 0.0 12.78 13.39
rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 1952
EPA Export 04-01-2007:02:18:43
96.5;
98.8;
98.82

0
0
0
3asys
Job No.
114662
Sheet No.
h&-l
Rev.
Iarrib
‘eat stability - 1OOm slip length - 45deg wedge
Dm. Ref.
Made by Date Data Checked
CH 05-Dee-2003 Corrlb BASsId ccl 4
9 10.29 99.64 15.92 0.0 12.92 12.67
10 12.33 99.57 16.10 0.0 13.06 12.95
11 14.37 99.50 16.27 0.0 13.23 13.24
12 16.41 99.43 16.45 0.0 13.41 13.53
13
l’!
15
16
17
18
::
21
22
23
24
iii
27
;i
;:
;'3
18.45
zn 40
22.53
24.57
26.60
28.64
30.68
32.72
34.76
36.80
38.84
40.88
42.91
44.95
46.99
49.03
51.07
53.11
55.15
57.19
59.22
99.36
99.28
99.21
99.14
99.07
99.00
98.93
98.86
98.79
98.72
98.64
98.57
98.50
98.43
98.36
98.29
98.22
98.15
98.08
98.00
97.93
16.63
1c A_. @Q
16.98
17.16
17.34
17.51
17.69
17.87
18.04
18.22
18.40
18.57
18.75
18.93
19.10
19.28
19.46
19.64
19.81
19.99
20.17
,o.o
n n
0.0
i::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
13.60
1-Y on
14.02
14.26
14.50
14.76
15.04
15.33
15.63
15.94
16.27
16.62
16.98
17.35
17.73
18.13
18.55
18.97
19.41
19.87
20.34
13.82
1”
.A..*_
q-J
14.42
14.72
15.03
15.33
15.65
15.96
16.28
16.60
16.92
17.25
17.58
17.91
18.25
18.59
18.93
19.28
19.63
19.98
20.33
34 61.26 97.86 20.34
0.0 20.82
20.69
63.30 97.79 20.52
0.0 21.31
21.05
is 65.34 97.72 20.70
0.0 21.82
21.42
37 67.36 97.65 20.87
0.0 22.35
21.79
38 69.42 97.58 21.05
0.0 22.89
22.16
39
40
41
42
71.46
73.50
75.53
77.57
97.51
97.43
97.36
97.29
21.23
21.41
21.58
21.76
0.0
0.0
0.0
0.0
23.44
24.00
24.58
25.18
22.53
22.91
23.29
23.67
43
44
45
46
79.61
81.65
83.69
85.73
97.22
97.15
97.08
97.01
21.94
22.11
22.29
22.47
0.0
0.0
0.0
0.0
25.78
26.40
27.04
27.69
24.06
24.45
24.84
25.24
47
48
87.77
89.81
96.94
96.87
22.64
22.82
0.0
0.0
28.35
29.03
25.64
26.04
49
50
51
52
91.84
93.88
95.92
97.96
96.79
96.72
96.65
96.59
23.00
23.17
23.35
23.53
0.0
0.0
0.0
0.0
29.72
30.42
31.14
31.87
26.44
26.85
27.27
27.68
53 100.0 96.51 23.71
0.0 32.61
28.10
54 101.2 97.67 11.85
0.0 8.778
7.024
55 102.3 98.82 0.0
0.0 .3.35E-6
0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Uice Strength Parameters Pore Slice Forces on base [kN]
VO. Pressure Weight
c' [kPa] Tan phi LkPal lkNJ Normal Shear
1 0.01000 0.0 7.000 10.78 15.24 0.01980
2 0.01000 0.0 14.50 1.595 2.255 0.001414
3 3.000 0.0 15.02 1.652 1.651 0.3002
4 3.000 0.0 15.12 33.92 33.90 6.120
5 3.000 15.30 34.31 34.30 6.120
6 3.000 i:: 15.48 34.71 34.69 6.120
7 3.000 0.0 15.65 35.11 35.09 6.120
8 3.000 0.0 15.83 35.50 35.49 6.120
9 3.000 0.0 l6.01 35.90 35.88 6.120
10 3.000 0.0 16.19 36.30 36.28 6.120
11 3.000 0.0 16.36 36.69 36.68 6.120
12 3.000 0.0 16.54 37.09 37.08 6.120
13 3.000 0.0 16.72 37.49 37.47 6.120
14 3.000 0.0 16.89 37.88 37.87 6.120
15 3.000 0.0 17.07 38.28 38.27 6.120
16 3.000 0.0 17.25 38.68 38.66 6.120
17 3.000 0.0 17.42 39.08 39.06 6.120
18 3.000 0.0 17.60 39.47 39.46 6.120
19 3.000 0.0 17.18 39.87 39.35 6.120
20 3.000 0.0 17.95 40.27 40.25 6.1?0
21 3.000 0.0 18.13 40.66 40.65 6.120
22 3.000 0.0 18.31 41.06 41.05 6.120
23 3.000 0.0 18.49 41.46 41.44 6.120
34 3.000 0.0 18.66 41.85 41.94 6.120
‘rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time IS:52
EPA Export 04-01-2007:02:18:43
-

oasys
Corrib
Peat stabiIity - 1OOm slip length - 45deg wedge
slice
no.
Job No. Sheet No. Rev.
#lade by
CH
25 3.000 0.0 18.84 42.25 42.24 6.120
26 3.000 0.0 19.02 42.65 42.63 6.120
27 3.000 0.0 19.19 43.04 43.03 6.120
28 3.000 0.0 19.37 43.44 43.43 6.120
29 3.000 0.0 19.55 43.84 43.83 6.120
30 3.000 0.0 19.72 44.23 44.22 6.120
31 3.000 0.0 19.90 44.63 44.62 6.120
32 3.000 0.0 20.08 45.03 45.02 6.120
33 3.000 0.0 20.26 45.42 45.41 6.120
34 3.000 0.0 20.43 45.82 45.81 6.120
35 3.000 0.0 20.61 46.22 46.21 6.120
36 3.000 0.0 20.79 46.62 46.61 6.120
33 3.000 0.0 20.96 47.01 47.00 6.120
38 3.000 0.0 21.14 47.41 47.40 6.120
39 3.000 0.0 21.32 47.81 47.80 6.120
40 3.000 0.0 21.49 48.20 48.19 6.120
41 3.000 0.0 21.67 48.60 48.59 6.120
42 3.000 0.0 21.85 49.00 48.99 6.120
43 3.000 0.0 22.02 49.39 49.39 6.120
44 3.000 0.0 22.20 49.79 49.78 6.120
45 3.000 0.0 22.38 50.19 50.18 6.120
46 3.000 0.0 22.56 50.58 50.58 6.120
47 3.000 0.0 22.73 50.98 50.97 6.120
48 3.000 0.0 22.91 51.38 51.37 6.120
49 3.000 0.0 23.09 51.77 51.77 6.120
so 3.000 0.0 23.26 52.11 52.16 6.120
51 3.000 0.0 23.44 52.53 52.56 6.120
52 3.000 0.0 23.62 52.97 52.96 6.120
53 3.000 0.0 17.78 22.59 32.83 4.900
54 3.000 0.0 5.926 7.529 11.53 4.900
1
2
3
4
5
6
7
8
9
10
11
12
I.3
14
15
16
17
18
19
20
21
;:
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
JO
4 1
Surface Load [kPa]
Vert 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Horiz 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
::i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Water Pressure on
ground surface [kPa]
Vert
Horiz
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
::i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Date Data ChedredL
05De@2003 Corrlb BA5.sld ch
rogfatn SLOPE Version 17.9 Copyright (B 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed OS-Dee-2003 Time 1952
EPA Export 04-01-2007:02:18:43

Dasys
Zorrib
Feat stability - 1OOm slip length - 45deg wedge
anera Parameters
lirection of slip: DOWNHILL
linimum slip weight [kN] : 10
rype of analysis : STATIC
inalysis Options
factor of safety on : SHEAR STRENGTH
4inim.m number of slices: 50
dethod: Janbu {Horizontal interslice forces)
vlaximum number of iterations: 100
titerial properties
No. Descriptian Unit Weight
Above GUL Below GWL
[kN/m3] I kNhn31
1 peat 1 Il.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -O.lQOO
1 1 102.0 101.5 10X
2 2 102.0 101.; 1oo:o
GWLl 102.0 101.; 101.5
Slip 101.5 100.0
Stratum Material x -->
1
2
GWLl
Slip
:
190.6
96.51
90.00
96.51
190.7
9o.o;r
96.51
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [ml
Unit weight of water: 10.00 kN/m3
Number of phreatic surfaces: 1
Job No. Sheet No.
I F4.e
Rev.
Made by Date Data Checked
Cl-l 05De-2003 Corrib BBB.sld (: M
Shear Strength
Parameters
Phi or c or co'
Phi0
[“I [kPal
E
3.000
3.000
0.1000 100.0 102.3
101.5 . 98.82
90.00
101.5
RESULTS OF ANALYSIS
Slip Centre RadiUS Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
x [ml Y tml fml fkN1 fkN m] fkN ml
68.62 805.7 0.0
WORST CASE :WATERCASE 1 OF 1
Centre at {68.62,805.7) Radius O.Om
Iterations: 5 Horit acceleration [%gJ: 0.0
Net vertical force [kN]:. 0.0 Slip weight [kN] 2173.
Net horiz force [kN]: 14.313-6 Disturbing moment [kN m]: 56.60
Restoring moment [kN ml: 323.2
Factor of Safety: 5.710
Slip surface coordinates
Point x [m] Y hl
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
4 0.1000 100.0
5 2.139 99.93
6 4.178 99.85
7 6.216 99.78
8 8.255 99.71
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure IkNl
u [kPa] T E
0.0 0.0 0.0
14.00 0.0 9.30?
15.00 0.0 IO.80
13.03 0.0 10.80
15.21 0.0 10.92
15.39 0.0 11.04
15.57 0.0 11.18
IS.74 0.0 11.33
E(u) 0.0
9.800
11.25
11.30
11.57
11.84
13.11
12.39
‘rogram SLOPE Version
Slope Stability Analysis
17.9 Copyright 0 1997-2003 Oasys Ltd
Printed 06-Dee-2003
Page
Time IS:53
EPA Export 04-01-2007:02:18:43
96.5;
98.82
98.82

Oasys
Corrib
Peat stability - 100~1 slip length - 45deg wedge
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
21
28
:z
31
32
33
34
35
36
31
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
10.29 99.64 15.92 0.0 11.50
12.33 99.57 16.10 0.0 11.68
14.37 99.50 16.27 0.0 11.87
16.41 99.43 16.45 0.0 12.08
la.45 99.36 16.63 0.0 12.30
20.49 99.28 16.80 0.0 12.54
22.53 99.21 16.98 0.0 12.79
24.57 99.14 17.16 0.0 13.05
26.60 99.07 17.34 0.0 13.33
28.64 99.00 17.51 0.0 13.62
30.68 98.93 17.69 0.0 13.93
32.72 98.86 17.87 0.0 14.25
34.76 98.79 18.04 0.0 14.58
36.80 98.72 18.22 0.0 14.93
38.84 98.64 18.40 0.0 15.29
40.88 98.57 18.57 0.0 15.66
42.91 98.50 18.75 0.0 16.05
44.95 98.43 18.93 0.0 16.45
46.99 98.36 19.10 0.0 16.87
49.03 98.29 19.28 0.0 17.30
51.07 98.22 . 19.46 0.0 17.74
53.11 98.15 19.64 0.0 18.20
55.15 98.08 19.81 0.0 18.67
57.19 98.00 19.99 0.0 19.16
59.22 97.93 20.17 0.0 19.65
61.26 97.86 20.34 0.0 20.17
63.30 97.79 20.52 0.0 20.69
65.34 97.72 20.70 0.0 21.24
67.38 97.65 20.87 0.0 21.79
69.42 97.58 21.05 0.0 22.36
71.46 97.51 21.23 0.0 22.94
73.50 97.43 21.41 0.0 23.54
75.53 97.36 21.58 0.0 24.15
77.57 97.29 21.76 0.0 24.77
79.61 97.22 21.94 0.0 25.41
81.65 97.15 22.11 0.0 26.06
83.69 97.08 22.29 0.0 26.72
85.73 97.01 22.47 0.0 27.40
87.77 96.94 22.64 0.0 28.10
89.81 96.87 22.82 0.0 28.80
91.84 96.79 23.00 0.0 29.52
93.88 96.72 23.17 0.0 30.26
95.92 96.65 23.35 0.0 31.01
97.96 96.58 23.53 0.0 31.77
100.0 96.51 23.71 0.0 32.55
101.2 97.67 11.85 0.0 8.743
102.3 98.82 0.0 0.0 l.4.31E-6
Slice Strength Parameters
No.
c' [kPa] Tan phi
1 3.000 0.0
2 3.000 0.0
3 3.000 0.0
4 3.000 0.0
2 3.000 0.0
7 3.000 0.0
a 3.000 0.0
9 3.000 0.0
10 3.000 0.0
11 3.000 0.0
12 13 3.000 k?i
14 3.000 0.0
16 15 3.000 X:i
17 3.000 0.0
18
19
3.000
3.000
0.0
0.0
20
21
3.000
3.000
0.0
0.0
22
23
3.000
3.000
0.0
0.0
2 4 3.000 0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Slice Farces on base [kN]
Pressure Weight
IkPal fkN1 Normal Shear
7.000 10.78 14.21 5.940
14.50 1.595 2.181 0.4243
15.02 1.652 1.651 0.3002
15.12 33.92 33.90 6.120
15.30 34.31 34.30 6.120
15.48 34.71 34.69 6.120
15.65 35.11 35.09 6.120
15.83 35.50 35.49 6.120
16.01 35.90 35.89 6.120
16.19 36.30 36.28 6.120
16.36 36.69 36.68 6.120
16.54 37.09 37.08 6.120
16.72 37.49 37.47 6.120
16.89 37.88 37.87 6.120
17.07 38.28 38.27 6.120
17.25 38.68 38.66 6.120
17.42 39. OS 39.06 6.120
17.60 39.47 39.46 6.120
17.78 39.87 39.86 6.120
17.95 40.27 40.25 6.120
18.13 40.66 40.65 6.120
18.31 41.06 41.05 6.120
16.49 41.46 41.44 6.120
18.66 41.65 41.84 6.120
Madaby Date Data Checked
CH 05Deci2003 Corrib 3B5.sld CM
12.67
12.95
13.24
13.53
13.82
14.12
14.42
14.72
15.03
15.33
15.65
15.96
16.28
16.60
16.92
17.25
17.58
17.91
18.25
18.59
18.93
19.28
19.63
19.98
20.33
20.69
21.05
21.42
21.79
22.16
22.53
22.91
23.29
23.67
24.06
24.45
24.84
25.24
25.64
26.04
26.44
26.85
27.27
27.68
28.10
7.024
0.0
rogram SLOPE Version ‘17.9 Copyright Q 1997-2003 Oasys Ltd Page
Slope Stability Analysk Printed 06-Dee-2003 Time 1953
EPA Export 04-01-2007:02:18:43

3asys
Zorrib
‘eat stability 1 1OOm slip length - 4Sdeg wedge
25
26
27
28
29
30
31
32
33
w.ce
LO.
3:
36
31
38
39
40
41
42
43
2
46
47
40
49
50
51
52
53
54
f
3
4
5
6
7
i
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
3s
36
37
3s
39
40
41
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
Surface Load [kPa]
Vert lioriz
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
8::
0.0
0.0
8::
0.0
El
x-i
o:o
0.0
0.0
0.0
0.0
i::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
ii::
18.84 42.25 42.24
19.02 42.65 42.64
19.19 43.04 43.03
19.37 43.44 43.43
19.55 43.84 43.83
19.12 44.23 44.22
19.90 44.63 44.62
20.08 45.03 45.02
20.26 45.42 45.42
20.43 45.82 45.81
20.61 46.22 46.21
20.99 46.62 46.61
20.96 47.01 47.00
21.14 47.41 47.40
21.32
21.49
21.67
47.81
48.20
48.60
47.80
48.19
48.59
21.85 49.00 48.99
22.02
22.20
22.38
22.56
49.39
49.79
50.19
SO.58
49.39
49.18
50.18
50.58
22.73 50.98 50.97
22.91
23.09
23.26
23.44
51.38
51.77
52.17
52.57
51.37
51.77
52.17
52.56
23.62 52.91 52.96
17.78 22.59 32.80
5.926 7.529 11.51
Water Pressure on
ground surface [kPa]
Vert Iioriz
Ki
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
D.0
0.0
0.0
0.0
0.0
0.0
i::
0.0
0.0
2;
El
0.0
0.0
0.0
0.0
0.0
0"::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Job No. Sheet No. Rev.
114662 r-54
Org. Ref.
Made by Date Data Checked
CH 06-Dec-2003 Corrib Bl35.sld erzt
rogram SLOPE Version 17.9 Copyright Q 1997-2QO3 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 1953
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
4.900
4.900
For inspection purposes only.
Consent of copyright owner required for any other use.
4
EPA Export 04-01-2007:02:18:43

ArupGeotechnics Job No. 114662 Sheet l/l FS?,
Corrib Onshore Terminal
Slope geometric data
Slope length L = 100 m
Passive wedge angle 8 = 50 degs
Xl 0
yl 101.5
x2 0
y2 100
x3 100 Set length
y3 96.50792
x5 190.6397 ground surface x at y=y3
Ground profile Peat profile Slip surface
X I Y
Y X Y
-20 f 102.0237 JO 100 -1.5 101.5
0 1 101.5 0 100 0 100
190.6397 1 96.50792 500 82.53962 100 96.50792
101.9488 98.83038
For inspection purposes only.
Consent of copyright owner required for any other use.
-50 0 50 100
Distance (m)
150 200
Made by: CH Chkd:.!%
Date: 3Oill12003
Rev: -,- 0
EPA Export 04-01-2007:02:18:43

;
’ ,
0
3asys
:0lTit,
‘eat stability - 1OOm slip length - 5Odeg wedge
,04.0 .
98.00
96.00
94.00
92.00 .
-20.00 2030
Scale x 1:1558 y I:82
Job No. Sheet No. Rev.
114662
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Data Data Checked
CH OS-De*2003 Corrib BB6.sld cti
60100 100.0 14b.o 380.0
‘rogram SLOPE Version 17.9 Copyright&r 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 lime 19:W
EPA Export 04-01-2007:02:18:43

Peat stability - 100111 slip length - 5Odeg wedge
General Parameters
Direction of slip: DOWNHILL
Minimum slip weight [kN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu (Horizontal interslice forces}
Maximum number of iterations: 100
Material properties
No. Description Unit Weight
Above GWL Below GWL
[kN/m3] [kN/m31
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
1 1 102.0 101.5 101.5
2 2 102.0 101.5 100.0
GWLl 102.0 101.; 101.5
Slip 101.5 100.0
Stratum Material x -->
190.6 190.7
1 1 96.51
2 2 90.00 90.00
GWLl 96.51 96.51
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
Drg. Ref.
Made by
CH
0.1000
101.5
90.00
101.5
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
x [ml Y [ml km1 [L.Nl [kN m] [kN ml
68.31 800.8 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (68.31,800.8) Radius O.Om
Iterations: 5 Horiz acceleration [%g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 2168.
Net horiz force [kN]: 13.35E-6 Disturbing moment [kN ml: 56.48
Restoring moment [kN m]: 333.5
Factor of Safety: 5.728
Slip surface coordinates
Point x [m] Y Iml
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
3 0.1000 100.0
5 2.139 99.93
6 4.178 99.65
6.216 99.78
5.255 99.71
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure kN1
u [kPa] T E
0.0 0.0 0.0
14.00 0.0 9.314
15.00 0.0 lO.f?O
15.03 0.0 10.81
15.21 0.0 10.92
15.39 0.0 11.05
15.51 0.0 11.19
15.11 0.0 11.35
Sheet No. Rev.
Date Data Checked
05-Deo2003 Corrib BW.sld
Shear Strength
Parameters
Phi or c or CO'
Phi0
I”1 [kPal
0.0 3.000
0.0 3.000
100.0 101.9
98.83
‘rogram SLOPE Version j 7.9 Copyright Cg 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed OS-Dee-2003 Time 19:55
Eiu)
0.0
9.800
11.25
11.30
11.57
11.e.4
12.11
12.35
96.5;
98.83
98.83
a
EPA Export 04-01-2007:02:18:43

:
0
0
0
0
Dasys
Zorrib
‘eat stability - lOOm slip length - 50deg wedge
9
::
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
90"
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
10.29 99.64 15.92
12.33 99.57 16.10
14.37 99.50 16.27
16.41 99.43 16.45
18.45 99.36 16.63
20.49 99.28 16.81
22.53 99.21 16.98
24.57 99.14 17.16
26.60 99.07 17.34
28.64 99.00 17.51
30.68 98.93 17.69
32.72 90.86 17.87
34.76 98.79 18.04
36.80 98.72 18.22
38.84 98.64 18.40
40.88 98.57 18.58
42.91 98.50 18.75
44.95 98.43 la.93
46.99 98.36 19.11
49.03 98.29 19.28
51.07 98.22 19.46
53.11 98.15 19.64
55.15 98.08 19.82
57.19 98.00 19.99
59.22 97.93 20.17
61.26 97.86 20.35
63.30 97.79 20.52
65.34 97.72 20.70
67.38 97.65 20.88
69.42 97.58 21.06
71.46 97.51 21.23
73.50 97.43 21.41
75.53 97.36 21.59
37.57 97.29 21.76
79.61 97.22 21.94
81.65 97.15 22.12
83.69 97.08 22.29
85.73 97.01 22.47
87.77 96.94 22.65
89.81 96.87 22.83
91.84 96.79 23.00
93.88 96.72 23.18
95.92 96.65 23.36
97.96 96.58 23.53
100.0 96.51 23.71
101.0 97.67 11.86
101.9 98.83 0.0
Slice Strength Parameters
NO.
c' [kPa] Tan phi
1 3.000 0.0
2 3 3.000 i::
4
5
3.000
3.000
0.0
0.0
6 3.000 0.0
7 3.000 0.0
8 3.000
1: 3.000 i:: 0.0
11 3.000 0.0
12 3.000 0.0
13 3.000 0.0
14
15
3.000
3.000
0.0
0.0
16 3.000 0.0
ii 3.000 0.0
19 3.000 0.0
20
31
3.000
3.000
0.0
0.0
22 3.000 0.0
23
24
3.000
3.000
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
0.0
I?4
0:o
0.0
2:
0:o
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Pore Slice Forces on base [ICN]
Pressure Weight
LkPal II;Nl Normal Shear
7.000 lo.78 14.21 5.940
14.50 1.595 2.182 0.4243
15.02 1.652 1.651 0.3002
15.12 33.92 33.90 6.120
15.30 34.31 34.30 6.120
15.48 34.71 34.69 6.120
15.65 35.11 35.09 6.120
15.83 35.50 35.49 6.120
16.01 35.90 35.89 6.120
16.19 36.30 36.28 6.120
16.36 36.70 36.68 6.120
16.54 37.09 37.08 6.120
16.72 37.49 37.48 6.120
16.89 37.89 37.87 6.120
17.07 38.28 38.27 6.120
17.25 38.68 38.67 6.120
17.43 39.08 39.07 6.120
17.60 39.48 39.46 6.120
17.78 39.87 39.86 6.120
17.96 40.27 40.26 6.120
18.13 40.67 40.65 6.120
18.31 41.06 41.05 6.120
13.49 41.46 41.45 6.120
18.66 45.86 41.85 6.120
Job No. Sheet No.
1
114662
Drg. Ref.
Made by
Cti
11.52 12.67
11.70 12.96
11.90 13.24
12.11 13.53
12.34 13.83
12.58 14.12
12.83 14.42
13.10
13.38
14.72
15.03
13.67 15.34
13.98 15.65
14.31 15.96
14.64
14.99
15.36
15.73
16.28
16.60
16.93
17.25
16.13 17.58
16.53 17.92
16.95
17.38
18.25
18.59
17.83
18.29
18.94
19.28
18.77
19.26
19.63
19.99
19.76
20.28
20.34
20.70
20.81 21.06
21.35 21.43
21.91 21.79
22.48 22.17
23.07 22.54
23.67 22.92
24.28 23.30
24.91 23.68
25.55 24.07
26.20 24.46
26.87
27.55
28.25
28.96
24.85
25.25
25.65
26.05
29.69 26.46
30.42 26.87
31.18 27.28
31.94 27.69
32.72
a.797
13.35E-6
28.11
7.028
0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
I FSS
Date Data Checked
0%De-2003 Corrib BBG.srd P-M
‘ragram SLOPE Version 57.9 Copyright@ 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 lTme 1956
EPA Export 04-01-2007:02:18:43
-I

Peat stabifiity - 100111 slip length - 50deg wedge
Slice
no.
25 3.000 0.0
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
4-l
48
49
50
51
52
53
54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
fo9
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
30
31
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
Surface Load IkPa]
Vert
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Horiz
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
18.84
19.02
19.20
19.37
19.55
19.73
19.90
20.08
20.26
20.44
20.61
20.79
20.97
21.14
21.32
21.50
21.67
21.85
22.03
22.21
22.38
22.56
22.74
22.91
23.09
23.27
23.45
23.62
17.78
5.928
42.26
42.65
43.05
43.45
43.84
44.24
44.64
45.04
45.43
45.83
46.23
46.62
47.02
47.42
47.82
48.21
48.61
49.01
49.40
49.80
50.20
so.59
50.99
51.39
51.79
52.18
52.58
52.98
19.07
6.358
Water Pressure on
ground surface [kPa]
Vert Kariz
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
X:i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
42.24
42.64
43.04
43.44
43.83
44.23
44.63
45.03
45.42
45.82
46.22
46.62
47.01
47.41
47.81
48.20
48.60
49.00
49.40
49.79
50.19
50.59
50.99
51.38
51.78
52.18
52.58
52.97
30.59
10.83
Made by
CH
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
6.120
4.546
4.546
For inspection purposes only.
Consent of copyright owner required for any other use.
Date Data Checked
05-IJac-2003 Corrib BBBsld CM
Program SLOPE Version 17.9 Copyright (B 1997-2003 Oasys ttd Page 3
Slope Stability Analysis Printed 06-Dee-2003 Time 19:55
EPA Export 04-01-2007:02:18:43

(>asys
krib
Feat stability - 1OOm slip length - 50deg wedge
Zeneral Parameters
)irectian of slip: DOWNHILL
linimum slip weight [kN] : 10
:ype of analysis : STATIC
Lnalysis Options
Tactor of safety on : SHEAR STRENGTH
linimum number of slices: 50
lethod: Janbu (Horizontal interslice forces)
laximum number of iterations: 100
daterial properties
No. Description Unit Weight
Above GWL Below GWL
[kN/m31 [kN/m31
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Zoordinates of top of soil
Stratum Material x -->
-20.00
1
102.0
2 : 102.0
GWLl 102.0
Slip
Stratum Material x -->
190.6
: 1 2 96.51 90.00
GWLl 96.51
Slip
strata
-1.500 -a.1000
101.5
101.4
101.;
101.5
190.7
9o.ob
96.51
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/ml
Number of phreatic surfaces: 1
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/
Weight FoS
x [ml y iml [ml [kN]
60.31 800.8 0.0
Job No. Sheet No. Rev.
1 A 4662 Fs3
Drg. Ref.
Made by Date Data Checked
CH OS-Dee2003 Conib BAGsId cl4
0.0 0.1000 100.0 101.9
101.5 101.5 98.83
100.0 90.00
101.5 101.5
100.0 96.5;
Disturbing Restoring
Moment Moment
[kN ml [kN m]
WORST CASE : WATER CASE 1 OF 1
Centre at (68.31,800.8] Radius O.Om
Iterations: 5 Horiz acceleration [%g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 2168.
Net horiz force [kN]: 18.12&6 Disturbing moment [kN ml: 56.48
Restoring moment [kN ml: 314.5
Factor of Safety: 5.569
Slip surface coordinates
Point s [ml Y [ml
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
3 0.1000 100.0
5 2.139 a9.93
6 4.178 94.85
7 6.216 99.78
9 9.255 99.71
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure fkW
u [kPa] T E
0.0 0.0 0.0
14.00 0.0 10.77
15.00 0.0 12.37
15.03 0.0 12.37
15.21 0.0 12.46
15.39 0.0 12.56
15.57 0.0 12.67
15.74 0.0 12.74
E(u)
0.0
9.800
11.25
11.30
11.57
11.94
12.12
12.39
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I [kPa]
0.0 3.000
0.0 0.01000
Vogram SLOPE Version
Slope Stability Analysis
17.9 Copyright ID 1997-2003 Oasys Ltd
Printed
- - .~~~
06-DeC-2003
Page
-.
Time IS:56
EPA Export 04-01-2007:02:18:43
9a.s;
98.83
-

Oasys
Corrib
Peat stability - lOOm slip length - 50deg wedge
9
3.0
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
:"6
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
10.29
12.33
14.37
16.41
18.45
20.49
22.53
24.57
26.60
28.64
30.68
32.72
34.76
36.80
38.84
40.88
42.91
44.95
46.99
49.03
51.07
53.11
55.15
57.19
59.22
61.26
63.30
65.34
67.38
69.42
71.46
73.50
75.53
77.57
79.61
81.65
83.69
85.73
87.17
89.81
91.84
93.88
95.92
97.96
100.0
101.0
101.9
99.64 15.92 0.0 12.93 12.67
99.57 16.10 0.0 13.09 12.96
99.50 16.27 0.0 13.25 13.24
99.43 16.45 0.0 13.43 13.53
99.36 16.63 0.0 13.63 13.83
99.28 16.81 0.0 13.84 14.12
99.21 16.98 0.0 14.06 14.42
99.14 17.16 0.0 14.30 14.72
99.07 17.34 0.0 14.55 15.03
99.00 17.51 0.0 14.81 15.34
98.93 17.69 0.0 15.09 15.65
98.86 17.81 0.0 15.38 15.96
98.79 18.04 0.0 15.69 16.28
98.72 18.22 0.0 16.01 16.60
98.64 18.40 0.0 16.34 16.93
98.57 18.58 0.0 16.69 17.25
98.50 18.75 0.0 17.05 17.58
98.43 18.93 0.0 17.43 17.92
98.36 19.11 0.0 17.81 18.25
98.29 19.28 0.0 18.22 18.59
98.22 19.46 0.0 18.63 18.94
98.15 19.64 0.0 19.06 19.28
98.08 19.82 0.0 19.51 19.63
98.00 19.99 0.0 19.97 19.99
97.93 20.17 0.0 20.44 20.34
97.86 20.35 0.0 20.93 20.70
97.79 20.52 0.0 21.43 21.06
97.72 20.70 0.0 21.94 21.43
97.65 20.88 0.0 22.47 21.79
97.58 21.06 0.0 23.01 22.17
97.51 21.23 0.0 23.56 22.54
97.43 21.41 0.0 24.13 22.92
97.36 21.59 0.0 24.72 23.30
97.29 21.76 0.0 25.31 23.68
97.22 21.94 0.0 25.92 24.07
97.15 22.12 0.0 26.55 24.46
97.08 22.29 0.0 27.19 24.85
97.01 22.47 0.0 27.84 25.25
96.94 22.65 0.0 28.50 25.65
96.87 22.83 0.0 29.18 26.05
96.79 23.00 0.0 29.88 26.46
96.72 23.18 0.0 30.59 26.87
96.65 23.36 0.0 31.31 27.28
96.58 23.53 0.0 32.04 27.69
96.51 23.71 0.0 32.79 28.11
97.67 11.86 0.0 8.833 7.028
98.83 0.0 0.0 18.12E-6 0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Strength Parameters Pore Slice Forces on base [kNI
NO. Pressure Weight
c' [kPa] Tan phi [Ha] [kN] Normal Shear
1 0.01000 0.0 7.000 10.78 15.24 0.01980
2 0.01000 0.0 14.50 1.595 2.255 0.001414
3 3.000 0.0 15.02 1.652 1.651 0.3002
4 3.000 0.0 15.12 33.92 33.90 6.120
5 3.000 0.0 15.30 34.31 34.30 6.120
6 3.000 0.0 15.48 34.71 34.69 6.120
7 3.000 0.0 15.65 35.11 35.09 6.120
8 3.000 0.0 15.83 35.50 35.49 6.120
9 3.000 0.0 16.01 35.90 35.89 6.120
10 3.000 0.0 16.19 36.30 36.28 6.120
11 3.000 0.0 16.36 36.70 36.68 6.120
12 3.000 0.0 16.54 37.09 37.08 6.120
13 3.000 0.0 16.72 37.49 37.47 6.120
14 3.000 0.0 16.89 37.89 37.87 6.120
15 3.000 0.0 17.07 38.26 38.27 6.120
16 3.000 0.0 17.25 38.68 38.67 6.120
17 3.000 0.0 17.43 39.08 39.06 6.120
18 3.DOO 0.0 17.60 39.48 39.46 6.120
19 3: 000 0.0 17.78 39.87 39.86 6.120
20 3.000 0.0 17.96 40.27 40.26 6.120
21 3.000 0.0 18.13 40.67 40.65 6.120
22 3.000 0.0 18.31 41.06 41.05 6.120
23 3.000 0.0 18.40 41.46 51.45 6.130
2 :I 3.000 0.0 18.66 41.86 41.85 6.120
Made by Date Data
Cl-l 05Dee-2003 Corrib 3A6.std
rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page :
lope Stability Analysis Printed 0%DeG2003 Time 1955
EPA Export 04-01-2007:02:18:43

3asys
hrib
‘eat stability - 1001~1 slip length - 50deg wedge
Slice
10.
25
26
27
28
29
30
31
32
ii
35
36
37
38
39
40
41
42
43
44
45
46
47
48
:;
51
52
53
54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
21
28
29
30
31
32
33
34
35
36
37
38
30
40
41
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000
3.000 i-i
3.000 0:o
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
Surface Load IkPal
Vert Horiz
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0 i::
0.0
0.0 i:8
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
18.84
19.02
19.20
19.37
19.55
19.73
19.90
20.08
20.26
20.44
20.61
20.79
20.97
21.14
21.32
21.50
21.67
21.85
22.03
22.21
22.38
22.56
22.74
22.91
23.09
23.21
23.45
23.62
17.78
5.928
42.26
42.65
43.05
43.45
43.84
44.24
44.64
45.04
45.43
45.83
46.23
46.62
47.02
47.42
47.82
48.21
48.61
49.01
49.40
49.80
50.20
50.59
so. 99
51.39
51.79
52.18
52.58
52.98
19.07
6.358
Water Pressure on
ground surface IkPal
Vert H0ri2
0.0 0.0
i-i
0.0
0:o
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
EE
0:o
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0
0.0
2x
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Job No. Sheet NO. Rev.
F-4
‘II4662
Drg. Ref.
Made by Date Data Checked
CH 05-Dew2003 Corrib BAGsId ck+f
42.24 6.120
42.64 6.120
43.04 6.120
43.44 6.120
43.83 6.120
44.23 6.120
44.63 6.120
45.02 6.120
45.42 6.l.20
45.82 6.120
46.22 6.120
46.61 6.120
47.01 6.l.20
47.41 6.120
47.81 6.120
48.20 6.120
48.60 6.120
49.00 6.120
49.40 6.120
49.79 6.120
50.19 6.120
50.59 6.120
50.98
51.38
6.120
6.120
52.78 6.120
52.18 6.120
52.57
52.97
6.120
6.120
30.61 4.546
10.85 4.546
For inspection purposes only.
Consent of copyright owner required for any other use.
‘rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Prjnted 06Dee-2003 Time 19:55
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
Corrib Onshore Terminal
Slope geometric data
Slope length L = 500 nl
Passive wedge angle 8 = 90 degs
1 Ground surface 1
. -
I Y
1 80.55126 1
xl 0
yl 101.5
x2 0
y2 100
x3 500 Set length
y3 82.53962
Peat surface
P I 2
yo 1 100
x0 f 0
X 1 500
Y 1 82.53962
X5 [ 724.0679 ground surface x at y=y3 I
For inspection purposes only.
Consent of copyright owner required for any other use.
- Ground surface
-Slip Surface
-100 0 100 200 300 400 500 600 700 800
Distance (m)
Job No. 114662 Sheet 11-l F&B
Made by: CH Chkd:.!%..
Date: 30/l 112003
Rev: -,- l
Printed 05112RO03 16 25
EPA Export 04-01-2007:02:18:43

0
0
Corrib -
Peat stability - 5001~1 slip length - infinite slope
104.0
100.0
,. ,.. . . . ..-
\ ‘\
Job No. Sheet No. Rev.
114662 l-1
Drg. Ref.
Made by Date Data Checked
CH OS-Dee-2003 Corrfb CCA.sld
98.00
*..
i
. \
\
. .
1.
g6.00 - I
,
. .
1.
,.A, .
94.00
92.00
90.00
86.00
86.00
64.00
82.00
.lOO.O
Scalex1:4958 yl:141
1ob.o
1.
For inspection purposes only.
Consent of copyright owner required for any other use.
Program SLOPE Version 17.9 CopyrfghlQ 7997-2003 Oasys Ltd
Slope Stabflfty Analysis
30b.d
‘%99.9,86.41)
-y 00.0,82.54)
Page 1
Printed OS-Dee-2003 Time 16~37
.
EPA Export 04-01-2007:02:18:43
\

Oasys
Corrib
Peat stability - 500m slip length - infinite slope
General. Parameters
Direction of slip: DOWNHILL
Minimum slip weight [kN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu (Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
Na. Description Unit Weight
Above GWL Below GWL
[kN/m31 [kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
: 2 1 102.0 101.5 1Ol.f 101.5 100.0
GWLl 102.0
Slip 101.5
Stratum Material x -->
500.1
1 1 80.00
2 2 80.00
GWLl 80.00
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/ml
Number of phreatic surfaces: 1
101.5 101.5
100.0
For inspection purposes only.
Consent of copyright owner required for any other use.
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
s (ml Y [ml [ml OtNl [kN m] [kN ml
1833. 41980. 0.0
WORST CASE : WATER CASE 1 OF L
Centre at {1833.,41980.) Radius 0. Om
Iterations: 5 Horiz acceleration [%g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 20280.
Net horiz force [kN]: -2l.O7E-6 Disturbing moment [kN ml: 720.3
Restoring moment [kN ml: 1511.
Factor of Safety: 2.098
Slip surface coordinates Pore Interslice forces
Pressure B-W
Point x [ml y Iml u [kPa) T E Elul
1 -1.500 101.5 0.3658 0.0 0.0 0.0
2 -0.1000 100.1 14.00 0.0 7.032 9.800
3 0.0 100.0 15.00 0.0 a.340 11.25
4 0.1000 100.0 15.03 0.0 8.255 11.30
5 10.10 99.65 15.91 0.0 -0.1182 12.65
6 20.09 99.30 16.78 0.0 -8.156 14.08
; 40.08 30.09 98.95 98.60 17.65 18.53 0.0 -23.23 -15.86 15.58 17.16
Made by Date Data Checked
CH 05-De-2003 Corrib CCA.sld CM
Shear Strength
Parameters
Phi or c ox CO'
Phi0
["I fkPa1
0.0 3.000
0.0 3.000
0.1000 499.9 500.0
101.5 88.41 82.54
80.00 80.00
101.5 88.41 82.54
82.54
rogram SLOPE Version
lope Stability Analysis
17.9 Copyright CD 1997-2003 Oasys Ltd
Printed OS-Dee-2003
Page
Time 16:3
EPA Export 04-01-2007:02:18:43
a

3asys
Zorrib
‘eat stability - 500m slip length - infinite slope
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
::
:"5
36
37
38
39
40
41
42
43
44
4s
46
47
48
49
50
51
52
53
54
55
50.08 98.25 19.40
60.08 97.90 20.27
70.07 97.55 21.14
80.07 97.20 22.02
90.06
100.1
110.1
120.1
130.0
140.0
96.85
96.51
96.16
95.81
95.46
95.11
22.89
23.76
24.63
25.51
26.38
27.25
150.0 94.76 28.12
160.0 94.41 29.00
170.0
180.0
94.06
93.71
29.87
30.74
190.0
200.0
93.36
93.02
31.61
32.49
210.0
220.0
230.0
240.0
92.67
92.32
91.97
91.62
33.36
34.23
35.10
35.98
250.0 91.27 36.85
260.0 90.92 37.72
270.0 90.57 38.60
280.0 90.22 39.47
290.0 89.87 40.34
300.0 89.52 41.21
310.0 89.18 42.09
320.0 88.83 42.96
330.0
340.0
88.48
88.13
43.83
44.70
350.0
360.0
87.78
87.43
45.58
46.45
370.0 87.08 47.32
379.9 86.73 48.19
389.9 86.38 49.07
399.9 86.03 49.94
409.9
419.9
85.69
85.34
50.81
51.68
429.9
439.9
449.9
459.9
84.99
84.64
84.29
83.94
52.56
53.43
54.30
55.17
469.9 83.59 56.05
479.9 83.24 56.92
489.9 82.89 57.79
499.9 82.54 58.67
500.0 82.54 0.0
Slice Strength Parameters
NO.
c' fkPa] Tan phi
1 3.000 0.0
2 3.000 0.0
3 3.000 0.0
4 3.000 0.0
5 3.000 0.0
6 3.000 0.0
7 3.000 0.0
8 3.000 0.0
9 3.000 0.0
10 3.000 0.0
11 3.000 0.0
12 3.000 0.0
13 3.000 0.0
14 3.000 0.0
15 3.000 0.0
16 3.000 0.0
17 3.000 0.0
18 3.000 0.0
19 3.000 0.0
20 3.000
21 3.000 Kl
22 3.000 0:o
23 3.000 0.0
24 3.000 0.0
Pressure
[@aI
7.183
14.50
15.02
15.47
16.34
17.22
18.09
18.96
19.83
20.71
21.58
22.45
23.32
24.20
25.07
25.94
26.82
27.69
28.56
29.43
30.31
31.18
32.05
32.92
0.0 -30.26
0.0 -36.96
-43.32
ii::: -49.35
0.0 -55.04
0.0 -60.40
-65.42
i-i -70.11
0:o -74.46
0.0 -78.48
0.0
0.0
-82.16
-85.52
0.0 -88.52
0.0 -91.20
0.0
0.0
-93.54
-95.55
0.0 -97.22
0.0
0.0
0.0
-98.56
-99.56
-100.2
0.0 -100.6
-100.6
i:: -100.2
0.0 -99.55
0.0 -98.54
0.0 -97.19
0.0 -95.52
0.0 -93.50
0.0 -91.15
-88.47
ix -85.45
0.0 -82.10
0.0 -78.41
0.0 -74.39
0.0 -70.03
-65.33
8-i
0:o
-60.31
-54.94
0.0
0.0
-49.24
-43.21
0.0 -36.84
0.0 -30.14
-23.10
i:: -15.72
0.0 -8.014
0.0 0.03044
0.0 -2l.O7E-6
Job No. Sheet No.
114662 Fh3
Org. Ref.
Made by
Cl-l
For inspection purposes only.
Consent of copyright owner required for any other use.
SliCS E'orces on base [kN]
Weight
[kNl Normal Shear
10.78 12.78 5.940
1.595 2.053 0.4243
1.652 1.648 0.3002
170.1 169.7 30.01
179.7 179.3 30.01
189.3 188.9 30.01
198.9 198.5 30.01
208.5 208.1 30.01
218.1 217.7 30.01
227.7 227.3 30.01
237.3 236.9 30.01
246.9 246.5 30.01
256.5 256.1 30.01
266.1 265.7 30.01
275.7 275.3 30.01
285.3 284.9 30.01
294.8 294.5 30.01
304.4 304.1 30.01
314.0 313.7 30.01
323.6 323.3 30.01
333.2 332.9 30.01
342.8 342.5 30.01
352.4 352.1 30.01
362.0 361.7 30.01
Rev.
Dale Data Checked
OIDec-2003 Corrib CCA.sld Cl+
18.81
20.54
22.35
24.23
26.19
20.23
30.34
32.53
34.79
37.13
39.55
42.04
44.61
47.25
49.97
52.77
55.64
58.59
61.62
64.72
67.90
71.15
74.48
77.89
81.37
84.93
88.56
92.27
96.06
99.92
103.9
107.9
112.0
116.1
120.4
124.7
129.1
133.6
138.1
142.7
147.4
152.2
157.1
162.0
167.0
172.1
0.0
Yogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05-Dee-2003 Time 1637
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 500111 slip length - infinite slope
Slice
n0.
25
26
;;:
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
:',
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
3.000 0.0 33.80
3.000 0.0 34.67
3.000 0.0 35.54
3.000 0.0 36.41
3.000 0.0 37.29
3.000 0.0 38.16
3.000 0.0 39.03
3.000 0.0 39.90
3.000 0.0 40.78
3.000 0.0 41.65
3.000 0.0 42.52
3.000 0.0 43.39
3.000 0.0 44.27
3.000 0.0 45.14
3.000 0.0 46.01
3.000 0.0 46.88
3.000 0.0 47.76
3.000 48.63
3.000 ,::i 49.50
3.000 0.0 50.38
3.000 0.0 51.25
3.000 0.0 52.12
3.000 0.0 52.99
3.000 0.0 53.87
3.000 0.0 54.74
3.000 0.0 55.61
3.000 0.0 56.48
3.000 0.0 57.36
3.000 0.0 58.23
3.000 0.0 29.33
Surface Load [kPa]
Vert Horiz
0.0
0.0 Ki
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0 i::
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0 E
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
371.6
381.2
390.8
400.4
410.0
419.6
429.2
438.8
448.4
458.0
467.6
477.1
486.7
496.3
505.9
515.5
525.1
534.7
544.3
553.9
563.5
573.1
582.7
592.3
601.9
611.5
621.1
630.7
640.3
3.227
Water Pressure on
ground surface CkPa]
Vert Horiz
0.1829 0.0
0.0 0.0
0.0
0.0
0.0
0.0 8::
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0 i::
0.0
0.0 8.:
0.0 010
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
Made by Date Data Checked
Cl-l 05-Da.c-2003 Corrib CCA.sld CM
371.3 30.01
380.9
390.5
400.1
409.7
419.3
428.9
438.5
448.1
457.7
467.3
476.9
486.5
496.1
505.7
515.3
524.9
534.5
544.1
553.7
563.3
572.9
582.5
592.1
601.7
611.3
620.9
630.6
640.2
3.224
rogram SLOPE Version 17.9 Copyright (0 1997-2003 Oasys Ltd Page 3
Slope Stability Analysis Printed 05-Dee-2003 fime 16137
EPA Export 04-01-2007:02:18:43
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
0.3002
For inspection purposes only.
Consent of copyright owner required for any other use.

3asys
L’orrib
?eat stabSty - 500m slip length - infinite slope
anera Parameters
Xirection of slip: DOWNHILL
llinimurn slip weight [kN] : 10
'ype of analysis : STATIC
inalysis Options
?actor of safety on : SHEAR STRENGTH
rlinimum number of slices: 50
ilethod: Janbu (Horizontal intersLice forces]
taximum number of iterations: 100
aterial properties
NO. Description Unit Weight
Above GWL Below GWL
[kN/m31 [kN/m31
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top oj? soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
1
2
GWLl
Slip
1
2
102.0
102.0
102.0
101.5
1Ol.i
101.;
101.5
101.5
100.0
101.5
100.0
Stratum Material. x -->
500.1
1 1 80.00
2 2 80.00
GWLl 80.00
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
Job No. Sheet No. Rev.
FhS
114662
Drg. Ref.
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FOS Moment Moment
x [ml Y [ml [ml [kNl [kN ml IkN ml
1833. 41900. 0.0
WORST CASE : WATERCASE 1 OF 1
Centre at [1833.,41980.) Radius 0. Om
Iterations: 5 Horiz acceleration [%g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 20280.
Net horiz force [kN]: -39.84E-6 Disturbing moment [kN m]: 720.3
Restoring moment [kN m]: 1502.
Factor of Safety: 2.086
Slip surface coordinates
Point x [In]
1 -1.500
2 -0.1000
3 0.0
4 Q.iOOO
5 10.10
6 20.09
7 30.09
8 40.08
Y [ml
101.5
100.1
100.0
100.0
99.65
99.30
98.95
98.60
For inspection purposes only.
Consent of copyright owner required for any other use.
Pressure
u [kPa]
0.3658
14.00
15.00
15.03
15.91
16.78
17.65
18.53
Interslice Em
T 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
forces
'I
E
0.0
10.90
12.49
12.40
3.94s
-4.176
-11.96
-19.41
Made by Date Data Checked
CH OCDec+2003 Corrib CCB.sld w
Shear Strength
Parameters
Phi or c ox CO'
Phi0
I"1 LkPaI
0.0 3.000
0.0 0.1000
0.1000 499.9 500.0
101.5 88.41 82.54
80,OO 80.00
101.5 88.4; 82.54
82.54
I
‘rogram SLOPE Version q7.9 Copyright CD 1997-2003 Oasys Ltd Page 1
Slope Stability Analysis Printed 05De&2003 Time 16:38
E(u)
0.0
9.800
11.25
11.30
12.65
14.00
15.58
li.16
EPA Export 04-01-2007:02:18:43

oasys
Corrib
Peat stability - 500m slip length - infinite slope
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
i:
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
50.08 98.25 19.40 0.0 -26.53
60.08 97.90 20.27 0.0 -33.31
70.07 97.55 21.14 0.0 -39.76
80.07 97.20 22.02 0.0 -45.87
90.06 96.85 22.89 0.0 -51.64
100.1 96.51 23.76 0.0 -57.08
110.1 96.16 24.63 0.0 -62.19
120.1. 95.81 25.51 0.0 -66.96
130.0 95.46 26.38 0.0 -71.39
140.0 95.11 27.25 0.0 -75.50
150.0 94.76 28.12 0.0 -79.26
160.0 94.41 29.00 0.0 -62.69
170.0 94.06 29.87 0.0 -85.79
180.0 93.71 30.74 0.0 -88.55
190.0 93.36 31.61 0.0 -90.91
200.0 93.02 32.49 0.0 -93.06
210.0 92.67 33.36 0.0 -94.82
220.0 92.32 34.23 0.0 -96.24
230.0 91.97 35.10 0.0 -97.32
240.0 91.62 35.98 0.0 -98.07
250.0 91.27 36.85 0.0 -98.49
260.0 90.92 37.72 0.0 -98.57
270.0 90.57 38.60 0.0 -96.31
280.0 90.22 39.47 0.0 -97.72
290.0 89.87 40.34 0.0 -96.80
300.0 89.52 41.21 0.0 -95.54
310.0 89.18 42.09 0.0 -93.94
320.0 88.83 42.96 0.0 -92.01
330.0 88.48 43.83 0.0 -89.74
340.0 88.13 44.70 0.0 -87.14
350.0 87.78 45.58 0.0 -84.21
360.0 87.43 46.45 0.0 -80.94
370.0 87.08 47.32 0.0 -77.33
319.9 86.73 4B.19 0.0 -73.39
389.9 86.38 49.07 0.0 -69.12
399.9 86.03 49.94 0.0 -64.50
409.9 85.69 50.81 0.0 -59.56
419.9 85.34 51.68 0.0 -54.28
429.9 84.99 52.56 0.0 -48.66
439.9 84.64 53.43 0.0 -42.71
449.9 84.29 54.30 0.0 -36.42
459.9 83.94 55.17 0.0 -29.80
469.9 83.59 56.05 0.0 -22.85
479.9 83.24 56.92 0.0 -15.56
489.9 82.89 57.79 0.0 -7.930
499.9 82.54 58.67 0.0 0.03125
500.0 82.54 0.0 0.0 -39.84E-6
Job No. Sheet No. Rev.
114662
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Strengtk Parameters Pore Slice Forces on base [kN]
No. Pressure Weight
c' [!@a] Tan phi [kPa] [kNl Normal Shear
1 0.1000 0.0 7.183 10.78 15.51 0.1980
2 0.1000 0.0 14.50 1.595 2.2‘39 0.01414
3 3.000 0.0 15.02 1.652 1.648 0.3002
4 3.000 0.0 15.47 170.1 169.7 30.01
5 3.000 0.0 16.34 179.7 179.3 30.01
6 3.000 0.0 17.22 189.3 188.9 30.01
7 3.000 0.0 18.09 198.9 198.5 30.01
8 3.000 0.0 18.96 208.5 208.1 30.01
9 3.000 0.0 19.83 218.1 217.7 30.01
10 3.000 0.0 20.71 227.7 227.3 30.01
11 3.000 0.0 21.58 237.3 236.9 30.01
12 3.000 0.0 22.45 246.9 246.5 30.01
13 3.000 0.0 23.32 256.5 256.1 30.01
14 3.000 0.0 24.20 266.1 265.7 30.01
15 3.000 0.0 25.07 275.7 275.3 30.01
16 3.000 0.0 25.94 285.3 284.9 30.01
17 3.000 0.0 26.82 294.8 294.5 30.01
18 3.000 0.0 27.69 304.4 304.1 30.01
19 3.000 0.0 28.56 314.0 313.7 30.01
20 3.000 0.0 29.43 323.6 323.3 30.01.
21 3.000 0.0 30.31 333.2 332.9 30.01
22 3.000 0.0 31.18 342.8 342.5 30.01
23 3.000 0.0 32.05 352.4 352.1 30.01
21 3.000 0.0 32.92 362.0 361.7 30.01
OS-De*2003
18.81
20.54
22.35
24.23
26.19
28.23
30.34
32.53
34.79
37.13
39.55
42.04
44.61
47.25
49.97
52.77
55.64
58.59
61.62
64.72
67.90
71.15
74.48
77.89
81.37
84.93
88.56
92.27
96.06
99.92
103.9
107.9
112.0
116.1
120.4
124.7
129.1
133.6
138.1
142.7
147.4
152.2
157.1
162.0
167.0
172.1
0.0
Cot-rib CCBsld
Checked
&L+%
rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page :
lope Stability Analysis OS-Dee-2003 Time 76:38
EPA Export 04-01-2007:02:18:43

3asys
hrib
‘eat stability - 5OOm slip length - infinite slope
jlice
10.
.:
25
26
27
28
29
30
31
32
33
34
35
36
37
ii
40
41
42
43
:;
46
47
48
49
SO
:fr
53
54
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
::
24
::
31
28
29
30
31
32
33
34
35
36
37
zi
40
41
3.000
3.000
0.0
0.0
33.80
34.67
371.6
381.2
3.000
3.000
3.000
3.000
0.0
0.0
i:::
35.54
36.41
31.29
38.16
390.8
400.4
410.0
419.6
3.000
3.000
3.000
3.000
0.0
0.0
0.0
0.0
39.03
39.90
40.78
41.65
429.2
438.8
448.4
450.0
3.000
3.000
0.0
0.0
42.52
43.39
467.6
477.1
3.000 0.0 44.27 486.7
3.000 0.0 45.14 496.3
3.000 0.0 46.01 505.9
3.000 0.0 46.88 515.5
3.000 0.0 47.76 525.1
3.000 0.0 48.63 534.7
3.000 0.0 49.50 544.3
3.000 0.0 50.38 553.9
3.000 0.0 51.25 563.5
3.000 0.0 52.12 573.1
3.000
3.000
0.0
0.0
52.99
53.87
582.7
592.3
3.000 0.0 54.74 601.9
3.000 0.0 55.61 611.5
3.000 0.0 56.48 621.1
3.QOO 0.0 57.36 630.7
3.000 0.0 58.23 640.3
3.000 0.0 29.33 3.227
Surface Load [kPal
Vart Horiz
i::
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
E
0.0
0.0
0.0 0.0
0.0 0.0
0.0
i:8
i::
0.0
0.0 0.0
0.0
E
0.0
0.0
0.0 X:i
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Water Pressure on
ground surface [kPa]
Vert Horiz
0.1829 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0 0.0
0.0
Xi
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i::
0.0
0.0
0.0
0.0
X:i
0.0
0.0
0.0
Job No. Sheet
$17
No. Rev.
114662
Drg. Ref.
Made by Date Data
cn OCDeo-2003 Corrib CCB.sld =m=
371.3 30.01
380.9 30.01
390.5 30.01
400.1 30.01
409.7 30.01
419.3 30.01
428.9 30.01
438.5 30.01
448.1 30.01
457.7 30.01
467.3 30.01
476.9 30.01
486.5 30.01
496.1 30.01
505.7 30.01
515.3 30.01
524.9 30.01
534.5 30.01
544.1 30.01
553.7 30.01
563.3 30.01
572.9 30.01
582.5 30.01
592.1 30.01
601.7 30.01
611.3 30.01
620.9 30.01
630.5 30.01
640.1 30.01
3.224 0.3002
For inspection purposes only.
Consent of copyright owner required for any other use.
‘rogram SLOPE Version 37.9 Copyright G 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05-Dee-2003 Time l&38
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
FM
Made by: CH Chkd:..Ilkrf.m
Corrib Onshore Terminal Date: 3011112003
Slope geometric data Rev: -,- a
Slope length L = 500 m
Passive wedge angle 8 = 0 degs
Xl 0
yl 101.5
x2 0
y2 100
x3 1 500 Set length
y3 1 82.53962
I Peat surface I
X5 1724.0679 ground surface x at y=y3 I
. Ground profile Peat profile Slip surface
-to
1 Y
102.0237 -2"o
Y
100 -115
Y
101.5
0 101.5 1 0 100 0 100
724.0679 82.53962 1 500 82.53962 500 82.53962
724.0679 82.53962
e 0 Set angle
x4 724.0679 Intersection of slip surface with
y4 82.53962 ground surface
105
100
2 95
85
80
For inspection purposes only.
Consent of copyright owner required for any other use.
-Ground surface
-Slip Surface
-100 0 100 200 300 400 500 600 700 800
Distance (m)
Job No. 114662 Sheet l/l
J \1000o\t14SSZ\~l~~heets\SLOPE data *Is I Slop surface wth Bct~c wedge Printed OX ZROO3 16.25
EPA Export 04-01-2007:02:18:43

0
l
c
P
3asys
Jorrib ’
‘eat stabitity - 500m slip length - Odeg wedge
104.0
102.0
100.0
98.00
96.00
92.00
90.00
86.00
86.00
84.00
62.00
.,.
. _ _
\
I. \ \ \ \
. . ‘\
: \ \
-. ‘\
\
\ \ \ \
. . . . . -. \ \ \
,
‘\
\
Job No. Sheet No. Rev.
114662
Org. Ref.
Made by
CH
\. \ \
\.
i
‘\
Date Data Checked
OS-De-2003 Corrib DDAsld C#
1.
\
\
\
\
\
.
-100.0 1 oil.0 306.0 5bb.o 700.0
Scale x I:6374 y 1:141
For inspection purposes only.
Consent of copyright owner required for any other use.
Program SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
J
1
Slope Stability Analysis Printed OS-Dee-2003 Time 1651
EPA Export 04-01-2007:02:18:43
\ \

Oasys
Corrib
Peat stability - 500m slip length - Odeg wedge
GuIOLal Parwmk*ar,
rdrcetien Of r1i.p: KmmlllLL
9 I=.! u L%P.l,
101.5 O.,BSh
100.1 ,:.I)0
190.0 Ib.00
IOO.0 is.01
!+. 50
r’r rbe.31
0.0 1.000
0.0 3.***
For inspection purposes only.
Consent of copyright owner required for any other use.
>
Made by Date Data Checked
Cl-l 05”Dee-2003 Corrib DDA.sld m
rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
SIope Stability Analysis Printed 05-Dee-2003 Time 16:53
EPA Export 04-01-2007:02:18:43

Oasys
3rrib
Peat stability - 5OOm slip length - Odeg wedge
:
2
4
5
:
F,
tc
tt
12
13
:;
16
11
1u
19
20
21
22
23
::
26
27
::
30
31
32
31
if
3e
31
::
io
Fl
i2
i3
ii
15
i6
i?
48
19
50
51
52
53
5*
18.15
19.40
20.65
21.19
25.14
24.39
25.63
26.W
26.13
29.38
30.62
11.81
33.12
St.36
15.61
36.86
38.21
39.35
10.60
.ll.iiS
43.05
04.3:
G5.53
46.83
m.oa
19.33
50.5s
51.*2
53.01
51.32
55.56
ra.u*
56.06
56.95
53.16
i5.31
.sFl.ac
:2.19
38.91
31.64
u-t7
2,.51
2J.U.t
20.11
:".: 2. i
9.le.9
5.501
,.b%
265.2
301.8
324.i
344.0
363.6
-383.2
io2.e
422.3
441.9
461.5
481.L
500.1
520.2
519.9
555.5
519.1
598.7
618.3
631.9
‘51.6
611.0
696.6
116.2
,X5.9
155.1
115.0
154.6
614.2
633.6
Ub3.1
813.0
192.6
9iz.2
Ul6.7
919.2
762.1
lOG.2
X9.?
593.2
53t.1
480.2
ill.1
367.2
310.1
254.2
147.1
1Cl.Z
bi.75
2E.23
13.65
2.116
1.619
245.7
265.3
291.9
304.5
324.1
3d3.1
363.3
3a.2.9
402.5
422.1
4.71.1
461.3
4ec.a
500.5
520.1
539.1
559.3
578.9
596.5
616.2
637.9
657.4
611.(1
696.6
116.2
735.6
755.4
175.0
194.6
era.2
633.6
953.:
873.0
692.6
912.2
815.1
619.2
x2,1
706.2
6i9.7
593.2
536.1
490.2
423.1
361.2
310.1
254.2
191.1
141.2
ea.15
29.25
sllcar
5.940
0.4243
0.3002
42.61
ii! .a.7
c2.a-l
42.87
CZ.87
42.87
42.8,
42.bl
42.67
2::
42.67
42.97
42.97
42.97
42.67
-Irl.Bl
42.67
42,ln
42.97
42.81
42.n
i2.e1
42.67
42.81
42.67
i2.81
i2.n
42.87
2.67
42.67
22.S
42.67
42.67
42.61
42.01
c2.n
42.01
42.02
12.01
42.01
42.01
i2.m
i2.0,
i2.01
i2.01
42.01
52.01
c2.m
42.01
42.01
Job No.
114662
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Sheet No.
I=-?1
Rev.
Date Data
05-De-2003 Corrib DDA.sld %ed
Vogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page 2
Slope Stability Analysis Printed Q5-Dee-2003 lime 16:53
EPA Export 04-01-2007:02:18:43

Oasys.
Corrib
Peat stability - 5OOm slip length - Odeg wedge
O.0 -13.50
0.D -l’.Fi
0.0 -ll.iS
*,o -5.ic3
0.0 -7.:57
0.0 -?.Bi7
0.0 -“.on58
0.0 i.CC‘
0.0 s.>:s
0.0 15. Fi
0.0 ::.*I
0.0 30.00
0.” 3R.06
Job No.
‘I ‘l4662
Sheet No.
FTL
Rev.
-
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
D&6 Data Checked
0543a~2003 Corrib DDBstd @
rogram SLOPE Version 17.9 Copyright CD 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05Dac-2003 Time 16:52
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 500m slip length - Odeg wedge
IO.
I =’ Ipen’
Tan phi
0.1000 0.0
o.,o*o 0.0
5.000
0.0
3.000 0.0
3.000
1.000
3.000
3.000
3.000
0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000
0.0
1.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
1.000 0.0
3.000
0.0
3.000
3.000
0.0
3.000 :::
1.000 0.0
3.000 0.0
3.000 0.0
3.000
0.0
3.000
0.0
3.000 0.G
3.000 0.0
3.000 0.0
5.000 0.0
3.000 0.0
3.000 0.0
~.OOO 0.0
3.000 0.0
2.000 0.0
?..OOD 0.0
3.000
3.000
0.0
1.000 2:
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000
2.000
0.0
1.000
:::
3.000 0.0
1.000
2.000
0.0
3.000 i::
3.000 0.0
p”::
0.0
0.0
E
0.0
0.0
0.0
0.0
0.G
0.0
P.re*NL.
[SW
7.183
li.50
15.02
IS.CG
LG.41
18.15
lb.40
20.65
21.69
23.14
24.39
29.GI
26.88
28.13
::*a:
31:07
33.12
34.16
35.61
36.86
38.11
:;:::
11.85
43.09
Jl.li
45.59
18.83
48.06
45.33
50.58
b,.82
53.07
51.32
55.56
5G.lJ1
58.06
5G.bb
52..,b
49.51
49.b4
i2.1b
38.5,
3a.a:
II.17
27.5,
23.84
20.17
I6.50
L2.G1
9.165
5.501
,.a,:
10.7b
1.593
*.I32
2,‘.0
265.6
285.2
304.0
324.1
I.li.0
363.6
383.2
iO2.B
i22.3
CCl.5
161.5
3b1.,
500.7
520.3
535.9
559.5
579. t
598.1
G18.3
637.9
65-r. 5
G7-r. 0
GCb. 6
716.2
739.8
755.G
775.0
794.6
EL4.2
E31.b
ES.4
873.0
852.6
512.2
b75.f
619.2
782.7
106.2
b49.7
553,2
538.7
460.2
423.7
367.2
110.7
254.2
LSf.7
Li1.2
uo*mn1
15.54
2.251
1.649
2e.7
285.3
ZBi.9
304.5
23.1
143.1
3‘3.3
362.9
402.5
a.2.1
411.7
161.3
::z*:
520:1
535.7
555.3
518.9
598.5
618.2
(17.8
657.4
677.0
($6.6
716.2
f35.B
x5.1
715.0
79G.6
Gli.2
(31.8
cd.4
673.0
B92.G
5t2.2
Mb.7
e19.2
782.7
706.2
649.7
583.2
536.7
G80.2
421.7
267.2
310.7
25C.f
197.1
111.:
84.X
Pb.25
Shear
0.1980
0.0141C
0.3002
42.67
Job No. Sheet No. Rev.
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Date Data
OS-Dee-2003 Corrib DDB.sld
J
Program SLOPE Version 17.9 Copyright Q ‘I997-2003 Oasys Ltd Page 2
Slope Stability Analysis Printed OCDec-2003 Time 1652
EPA Export 04-01-2007:02:18:43

ArupGeotechnics Job No. 114662 Sheet 111 m4
Corrib Onshore Terminal
Slope geometric data
Slope length L =
Passive wedge angle 8 =
500 m
10 degs
l!iEE3
Peat surface
2
0 100
X0 0
xl 0
yl 101.5
x2 0
y2 100
x3 500 Set length
y3 82 A53962
x5 724.0679 ground surface x at y=y3 1
X Y f Y Y
-20 102.0237 -iO 100 -115 101.5
0 101.5 0 100 0 100
724.0679 82.53962 500 82.53962 500 82.53962
i 528.9731 87.64835
80 ' I I I
-Ground surface
-Slip Surface
-100 0 100 200 300 400 500 600 700 800
J.WJLMDLNl l46E2\calcs\st1eetslSLOPE data x6 1 Sltp surlace wlh adwe wedge
For inspection purposes only.
Consent of copyright owner required for any other use.
Distance (m)
-I
Made by: CH Chkd:..cM.
Date: 3011112003
Rev: -,- 0
EPA Printed Export OW~OO3 04-01-2007:02:18:43
16 26

3asys
kkrib
‘eat stability - 500m slip length - 1Odeg wedge
104.0 ;
102.0 ;
100.0 i
98.00 I
96.00 .
94.00
92.00 .
90.00
88.00
86.00
84.00
8200
-lf.ku
Scalex1:6374 y I:141
~~ido;toS.oj ;
%b( 5WW-W
i \
.
:.
.
100.0
Job No. Sheet No. Rev.
Drg. Ref.
Made by Date Data Checked
CH 06De-2003 Corrlb DSl Ad CM
. ..: . . .,,. . . .
‘i ‘\
. \
\
.
. .
‘\
\
\
\
\
\
\
\
For inspection purposes only.
Consent of copyright owner required for any other use.
300.0 50b.o 706.0
program SLOPE Version
Slope Stability Analysis
17.9 Copyright (B 5 997-2003 Oasys Ltd
Printed OGDeei2003
Page
i
r*-rme
&J;uO
. . . .._I
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 500m slip length - 1Odeg wedge
Zeneral Parameters
Direction of slip: DOWNHILL
linimum slip weight [kN] : 10
Type of analysis : STATIC
Analysis 0ptions
Factor of safety on : SHEAR STRENGTH
klinimum number of slices: 50
Xethod: Yanbu (Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
NO. Description Unit Weight
Above GWL Below GWL
[kN/m3] [kN/m31
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
1 I 102.0 101.5 101.5
2
GWLl
2 102.0
102.0
101-i 100.0
Slip 10 1.5 101.5 101.5 100.0
Stratum Material x -->
800.0
1 1 so.55
2 2 80.00
GWLl 80.55
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [ml
Unit weight of water: 10.00 kN/mJ
Number of phreatic surfaces: 1
Job No. Sheet No. Rev.
Drg. Ref.
Made by
CH
Data Data Checked
05”i&c%2003 Corrib DB1 .sld c-J-4
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I CkPal
0.0 3.000
0.0 3.000
0.1000 500.0 529.0
101.5 87.65
80.00
101.5
RJZSULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FOS Moment Moment
x [ml Y [ml [ml [kNl [kN m] IkN ml
513.8 9674. 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (513.8,9674-l Radius O.Om
Iterations: 5 Horii acceleration (%g]: 0.0
Net vertical force [kN): 0.0 Slip weight [kN] 21220.
Net horiz force [kN]: 175.5E-6 Disturbing moment [kN m]: 555.6
Restoring moment [kN ml: 1600.
Factor of Safety: 2.881
Slip surface coordinates
Point :c [m] y [ml
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
4 0.1000 100.0
5 10.51 99.63
6 20.93 99.27
7 31.34 98.91
8 41.76 98.54
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure [WI
u (kPa] T E
0.3658 0.0 0.0
14.00 0.0 8.120
15.00 0.0 9.507
15.03 0.0 9.460
15.94 0.0 4.738
16.85 0.0 0.4998
17.76 0.0 -3.435
18.67 0.0 -7.006
rogram SLOPE Version 17.9 Copyright 0 19974003 Oasys Ltd Page
Slope Stability Analysis Printed 06Dee-2003 Time 2O:OO
EPA Export 04-01-2007:02:18:43
E(u)
0.0
9.800
11.25
11.30
12.71
14 -20
15.78
17.43
82.54
87.65
87.65

3iasys
ZOITib
‘eat stability - 500m slip length - IOdeg wedge
9
10
::
13
14
15
16
17
1%
19
20
21
22
E
25
26
27
i"4
30
31
32
33
34
35
36
z
39
40
41
42
43
44
45
46
47
46
49
50
51
52
53
54
55
52.17
62.59
73.00
83.42
93.83
104.2
114.7
125.1
135.5
145.9
156.3
166.7
117.1
187.6
198.0
208.4
218.8
229.2
239.6
250.1
260.5
270:9
281.3
291.7
302.1
312.5
323.0
333.4
343.6
354.2
364.6
375.0
385.4
395.9
406.3
416.7
427.1
437.5
447.9
458.3
468.8
479.2
489.6
500.0
509.7
519.3
529.0
Slice Strength Parameters
NO.
98.L8
97.81
97.45
97.09
96.72
96.36
96.00
95.63
95.27
94.91
94.54
94.18
93.81
93.45
93.09
92.72
92.36
92.00
91.63
91.27
90.90
90.54
90. La
89.81
89.45
89.09
88.72
88.36
88.00
87.63
87.27
86.90
86.54
86.18
85.81
85.45
85.09
84.72
84.36
03.99
83.63
83.27
82.90
82.54
84.24
85.95
87.65
c' [k&i] Tan phi
1 3.000 0.0
2 3.000 0.0
3 3.000 0.0
4 3.000
5 3.000 X:Fl
6 3.000 0.0
7 3.000 0.0
i
3.000
3.000
0.0
0.0
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3,000
3.000
3.000
3.000
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
19.58
20.49
21.40
22.31
23.22
24.13
25.04
25.95
26.86
27.77
28.68
29.59
30.49
31.40
32.31
33.22
34.13
35.04
35.95
36.86
37.77
38.68
39.59
40.50
41.41
42.32
43.23
44.14
45.05
45.95
46.86
47.77
48.68
49.59
50.50
51.41
52.32
53.23
54.14
55.05
55.96
56.87
57.78
58.69
39.12
19.56
0.0
Pore
Pressure
[kPaj
7.183
14.50
15.02
15.49
16.40
17.31
18.22
19.13
20.04
20.95
21.86
22.76
23.67
24.58
25.49
26.40
27.31
28.22
29.13
30.04
30.95
31.86
32.77
33.68
0.0
0.0
0.0
0.0
i::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
8::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
-10.21
-13.06
-15.54
-17.65
-19.40
-20.79
-21.81
-22.47
-22.77
-22.70
-22.27
-21.48
-20.32
-18.80
-16.91
-14.66
-12.05
-9.069
-5.728
-2.022
2.047
6.479
11.28
16.44
21.96
27.85
34.10
40.72
47.70
55.04
62.75
70.82
79.25
08.05
97.21
106.7
116.6
126.9
137.5
148.5
159.8
171.5
183.6
196.0
94.04
28.70
175.53-6
Job No.
1 ‘l4662
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Forces on base [kN)
Weight
fkN3 Normal Shear
10.78 13.55 5.940
1.595 2.108 0.4243
1.652 1.649 0.3002
177.5 177.2 31.26
187.9 187.6 31.26
198.3 198.0 31.26
208.7 208.5 31.26
219.1 218.9 31.26
229.5 229.3 31.26
240.0 239.7 31.26
250.4 250.2 31.26
260.8 260.6 31.26
271.2 271.0 31.26
281.6 281.4 31.26
'292.1
302.5
312.9
323.3
333.7
344.1
354.6
365.0
315.4
385.8
Sheet No.
S-J-l
Made by Date Data Checked
CH OCDec-2003 Corrib DBl.sId CM
291.8 31.26
302.3 31.26
312.7 31.26
323.1 31.26
333.5 31.26
344.0 31.26
354.4 31.26
364.8 31.26
375.2 31.26
385.7 31.26
19.17
20.99
22.90
24.89
26.96
29.11
31.35
33.66
36.07
38.55
41.12
43.77
46.50
49.31
52.21
55.19
58.25
61.40
64.63
67.94
71.33
74.01
78.36
82.01
05.73
89.54
93.43
97.40
101.5
105.6
109.8
114.1
118.5
123.0
127.5
132.2
136.9
141.7
146.6
151.5
156.6
161.7
166.9
172.2
76.54
19.13
0.0
Wogram SLOPE Version 17.9 Copyright (0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06.Dee-2003 Time 2O:OO
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 500m slip length - 1Odeg wedge
Slice
no.
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
31
38
39
40
41
3.000 0.0 34.59 396.2 396.1
3.000 0.0 35.50 406.7 406.5
3.000 0.0 36.41 417.1 416.9
3.000 0.0 37.32 427.5 427.4
3.000 0.0 38.22 437.9 437.8
3.000 0.0 39.13 448.3 448.2
3.000 0.0 40.04 458.7 458.6
3.000 0.0 40.95 469.2 469.1
3.000 0.0 41.86 479.6 479.5
3.000 0.0 42.77 490.0 489.9
3.000 0.0 43.68 500.4 500.3
3.000 0.0 44.59 510.8 510.8
3.000 0.0 45.50 521.3 521.2
3.000 0.0 46.41 531.7 531.6
3.000 0.0 47.32 542.1 542.0
3.000 0.0 48.23 552.5 552.5
3.000 0.0 49.14 562.9 562.9
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
50.05
50.96
51.87
52.78
53.68
54.59
55.50
56.41
57.32
573.3
583.8
594.2
604.6
615.0
625.4
635.9
646.3
656.7
573.3
583.7
594.2
604.6
615.0
625.4
635.9
646.3
656.7
3.000 ::i 58.23 667.1 667.1
3.000 0.0 48.91 519.5 529.3
3.000 0.0 29.34 311.7 318.3
3.000 0.0 9.781 103.9 107.3
Surface Load [kPal Water Pressure on
ground surface [kPa]
Vert
Horiz
Vert Boric
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i::
0.0
0.0
0.1829
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
ii::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i-i
0:o
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
fl::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Job No. Sheet No. R%V.
Made by Date Data Checked
Cl-i 06-De-2003 Corrib DBI Ad C-H
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
31.26
29.42
29.42
29.42
mgram SLOPE Version 17.9 CopyrIght (0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 20:00
EPA Export 04-01-2007:02:18:43

3asys
Zorrib
‘eat stability - 500m slip length - 1Odeg wedge
*neral. Parameters
lirection of slip: DOWNHILL
linimum slip weight [kN] : 10
'ype of analysis : STATIC
analysis Options
'actor of safety on : SHEAR STRENGTH
linimum number of slices: 50
lethod: Janbu (Horizontal interslice forces)
Iaximum number of iterations: 100
Iaterial properties
No. Descxiption Unit Weight
Above GWL Below GWL
IkN/m3] tkN/m31
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Job No: Sheet No. Rev.
I 114662
Made by
CH
2oordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0 O.lQOO
: 2 1 102.0
GWLl 102.0
Slip 1Ol.i
Stratum Material. x -->
800.0
1 1 80.55
2 2 80.00
GWLl 80.55
Slip
102.0 101.5 101.5 101.5
sroundwater
Pore pressure distribution type: HYDROSTATIC
qaximum soil suction: 0.0 [ml
Jnit weight of water: 10.00 kg/m'
!iumber of phreatic surfaces: 1
100.0 101.5 80.00
101.5 101.5 101.5
100.0
For inspection purposes only.
Consent of copyright owner required for any other use.
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
s [m] y [ml h-4 [kNl [kN m] [kN ml
513.8 9674. 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at 1513.8,9674.) Radius O.Om
Iterations: 5 Noriz acceleration [%g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 21220.
Net horiz force [kN]: 211.7E-6 Disturbing moment [kN m]: 555.6
* Restoring moment [kN m] : 1592.
Factor of Safety: 2.865
Slip surface coordinates Pore Interslice forces
Pressure VW
Point s [m] Y [ml u [kPa] T E E(u)
1 -1.500 101.5 0.3658 0.0 0.0 0.0
2 -0.1000 100.1 14.00 0.0 10.94 9.300
3 0.0 100 .o 15.00 0.0 12.53 11.25
ii 0.1000 10.51 99.63 100.0 15.03 15.94 0.0 7.758 12.48 11.30 12.11
6
7
20.93
31.34
99.27
98.91
16.85
17.76
0.0
E
3.400
-0.5939
14.20
15.78
8 41.76 98.54 15.67 -4.224 17.43
Date Data Checked
IISDew2003 Corrib DA1 .sld
Shear Strength
Parameters
Phi or c or CO'
Phi0
I"1 [@aI
Ki
3.000
0.1000
500.0 529.0
87.65
.
82.54 87.65
Vogam SLOPE Version 17.9 Copyright 6 1997-2003 Oasys Ltd Page
Slope Stabilrty Analysis Printed 06-Dee-2003 Time 20:0?
EPA Export 04-01-2007:02:18:43

Oasys 114662 Fe6
Corrib Drg. Ref.
Peat stability - 500m slip length - 1Odeg wedge
Made by Date Data Checked
Cl-l OS-Dee-2003 Corrib DA1 .sld @y
190
11
12
13
14
15
16
17
18
19
20
21
;:
24
25
26
2-l
28
29
30
31
32
33
34
35
36
37
;i
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
52.17 98.18 . 19.58 0.0 -7.491 19.17
62.59 97.81 20.49
73.00 97.45 21.40
83.42 97.09 22.31
93.83 96.72 23.22
104.2 96.36 24.13
114.7 96.00 25.04
125.1 95.63 25.95
135.5 95.27 26.86
145.9 94.91 27.77
156.3 94.54 28.68
166.7 94.18 29.59
177.1 93.81 30.49
187.6 93.45 31.40
198.0 93.09 32.31
208.4 92.72 33.22
218.8 92.36 34.13
229.2 92.00 35.04
239.6 91.63 35.95
250.1 91.27 36.86
260.5 90.90 31.77
270.9 90.54 38.68
281.3 90.18 39.59
291.7 89.81 40.50
302.1 89.45 41.41
312.5 89.09 42.32
323.0 88.72 43.23
333.4 88.36 44.14
343.8 88.00 45.05
354.2 87.63 45.95
364.6 87.27 46.86
375.0 86.90 47.77
385.4 86.54 48.68
395.9 86.18 49.59
406.3 85.81 50.50
416.7 85.45 51.41
427.1 85.09 52.32
437.5 84.72 53.23
447.9 84.36 54.14
458.3 83.99 55.05
468.8 83.63 55.96
479.2 83.27 56.87
489.6 82.90 57.78
500.0 82.54 58.69
509.7 84.24 39.12
519.3 85.95 19.56
529.0 87.65 0.0
Slice Strength Paramters
No.
c' (kPa] Tan phi
1 0.1000 0.0
2 0.1000 0.0
3 3.000 0.0
4 3.000 0.0
5 3.000 0.0
6 3.000 0.0
7 3.000 0.0
a 9
10
3.000
3.000
i::
0.0
11 3.000 0.0
12 3.000 0.0
13
14
3.000
3.000 if::
15 3.000 0.0
16
17
3.000
3.000
0.0
0.0
18
19
3.000
3.000
0.0
20
21
3.000
3.000
E
0.0
22 3.000 0.0
23
24
3.000
3.000
0.0
0.0
0.0 -10.39
0.0 -12.93
0.0 -15.11
0.0 -16.92
0.0 -18.37
0.0 -19.45
0.0 -20.17
0.0 -20.52
0.0 -20.52
0.0 -20.14
0.0 -19.41
0.0 -18.31
0.0 -16.85
0.0 -15.02
0.0 -12.83
0.0 -10.27
0.0 -7.356
0.0 -4.074
0.0 -0.4278
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 2
3.582
7.955
12.69
17.79
23.26
29.09
35.28
41.84
48.76
56.04
63.69
71.70
80.08
88.81
93.92
107.4
117.2
127.4
138.0
148.9
160.2
For inspection purposes only.
Consent of copyright owner required for any other use.
171.8
183.8
196.2
94.16
28.75
1.7E-6
Pore Slice Forces on base [kN]
Pressure Weight
[kpal [kNl Normal Shear
7.183 10.78 15.54 0.1980
14.50 1.595 2.251 0.01414
15.02 1.652 1.649 0.3002
15.49 177.5 177.2 31.26
16.40 187.9 187.6 31.26
17.31 198.3 198.0 31.26
18.22 208.7 208.5 31.26
19.13 219.1 218.9 31.26
20.04 229.5 229.3 31.26
20.95 240.0 239.7 31.26
21.86 250.4 250.1 31.26
22.76 260.8 260.6 31.26
23.67 271.2 271.0 31.26
24.58 281.6 281.4 31.76
25.49 292.1 291.8 31.26
26.40 302.5 302.3 31.26
27.31 312.9 312.7 31.26
28.22 323.3 323.1 31.26
29.13 333.7 333.5 31.26
30.04 344.1 344.0 31.26
30.95 354.6 354.4 31.26
31.86 365.0 364.8 31.26
32.77 375.4 375.2 31.26
33.68 385.8 385.7 31.26
20.99
22.90
24.89
26.96
29.11
31.35
33.66
36.07
38.55
41.12
43.77
46.50
49.31
52.21
55.19
58.25
61.40
64.63
67.94
71.33
74.81
78.36
82.01
85.73
89.54
93.43
97.40
101.5
105.6
109.8
114.1
118.5
123.0
127.5
132.2
136.9
141.7
146.6
151.5
156.6
161.7
166.9
172.2
76.54
19.13
0.0
rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page :
Slope Stability Analysis Printed OS-Dee-2003 Time 20~01
EPA Export 04-01-2007:02:18:43

-
e
0
3asys
Zorrib
Feat stability - 500m slip length - 1Odeg wedge
. 25
26
27
28
29
30
31
32
33
34
.35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Slice
10.
2'
3
4
5
6
1
8
9
10
11
12
13
14
15
16
17
18
19
:i
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
3.000 0.0
3.000 i-i
3.000 0:o
3.000 0.0
3.000 ::i
3.000 0.0
3.000 0.0
3.000 0.0
3.000
3.000
Ki
0.0
3.000 0.0
3.000 0.0
3.000
3.000
0.0
0.0
3.000
3.000
0.0
0.0
3.000 2
3.000 2:
3.000
3.000
0.0
0.0
3.000
3.000
0.0
3.000 i::
3.000 0.0
3.000 0.0
Job No. Sheet No. Rev.
1 ‘f4662 Fe4
Drg. Ref.
34.59 396.2 396.1 31.26
35.50 406.7 406.5 31.26
36.41 417.1 416.9 31.26
37.32 427.5 427.4 31.26
38.22 437.9 437.8 31.26
39.13 448.3 448.2 31.26
40.04 458.7 458.6 31.26
40.95 469.2 469.1 31.26
41.86 ,479.6 479.5 31.26
42.77 490.0 489.9 31.26
43.68 500.4 500.3 31.26
44.59 510.8 510.8 31.26
45.50 521.3 521.2 31.26
46.41 531.7 531.6 31.26
47.32 542.1 542.0 31.26
48.23 552.5 552.5 31.26
49.14 562.9 562.9 31.26
50.05 573.3 573.3 31.26
50.96 583.8 583.7 31.26
51.87 594.2 594.2 31.26
52.78 604.6 604.6 31.26
53.68 615.0 615.0 31.26
54.59 625.4 625.4 31.26
55.50 635.9 635.9 31.26
56.41 646.3 646.3 31.26
57.32 656.7 656.7 31.26
58.23 667.1 667.1 31.26
48.91 519.5 529.3 29.42
29.34 311.7 318.3 29.42
9.781 103.9 107.3 29.42
Surface Load [kPa] Water Pressure on
ground surface [kPa]
vert
0.0
0.0
0.0
Horiz
0.0
0.0
0.0
Vert
0.1829
0.0
0.0
HOXiZ
0.0
0.0
0.0
0.0 0.0
0.0
ii:: 0.0
E
0.0
0.0 0.0
0.0 X::
0.0
0.0 0.0
8::
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
xl
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
Ii:: ii*:
0.0
0.0
0.0
0:o
0.0
8-i
0:o
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0:o Fl*:
0.0
0.0
8:: 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i-i
0.0
0.0 0.0
0:o
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0 0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Date Data Checked
CH OS-DeG2003 Corrib DAIsId @&
Togram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-DeG2003 Time 2O:Ol
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
Corrib Onshore Terminal
Slope geometric data
Slope length L = 500 m
Passive wedge angle 8 = 20 degs
x2 0
y2 100
x3 500 Set length
y3 82.53962
X5 ] 724.0679 ground surface x at y=y3 1
Ground profile Peat profile Slip surface
Y Y Y
-2”o qO2.0237 -lo ! 100 -115 101.5
0 101.5 0 100 0 100
724.0679 82.53962 500 82.53962 500 ] 82.53962
515.0387 1 88.01324
300 - Ground surface
g 95
-Slip Surface
----.- -
$
3 90 ---
85 .-----~ -- --.---
80 ~~,
For inspection purposes only.
Consent of copyright owner required for any other use.
-100 0 100 200 300 400 500 600 700 800
Distance (m)
Job No. 114662 Sheet l/l m2
Made by: CH Chkd:..&f
Date: 30/11/2003
Rev: -,- 0
J.\10000\114652kalcs~heetsSL0F’E data XIL 1 Slrp surface wtn acme wedge Printed OYlzRM)3 16 25
EPA Export 04-01-2007:02:18:43

:
=lasasys
Zorrib
‘eat stability - 500m slip length - 20deg wedge
104.0
102.cl
100.0
98.00
96.00
94.00 .
r . ,,
Job No. Sheet No. Rev.
114662 Fax /
Drg. Ref.
\
92.00 ‘\ ’
\ x. i x. \
90.00
88.00
66.00
64.00
82.00
-100.0
Scale x I:6374 y 1:141
\
For inspection purposes only.
Consent of copyright owner required for any other use.
100.0 300.0
Made by Data Data Checked
CH 05-Dee-2003 Corrib DBZ.sld
CM
,_.. . . . , .._ .,
Y \
506.0
. . .
Togram SLOPE Version 77.9 Copyright Q 2997-2003 Oasys Ltd Page
Stope Stability Analysis Printed 06-Dee-2003 Time 17:Ol
\ ‘i \
EPA Export 04-01-2007:02:18:43

Peat stability - 500111 slip length - 20deg wedge
Zeneral Parameters
Direction of Slip: DOWNHILL
!4inimum slip weight [kNl .: 10
Type of analysis : STATIC
?malysis Options
Factor of safety on : SHEAR STRENGTH
Xinimum number of slices: 50
Method: Janbu (Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
No. Description Unit Weight
Above GWL Below GWL
[kN/m31 [kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
1
102.0 101.5 101.5
2 : 102.0 101.5 100.0
GWLl 102.0 101.5 101.5
Slip 101.; 100.0
Stratum material x -->
800.0
1 1 80.55
2 2 80.00
GWLl 80.55
Slip
Groundwater
Fore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 (m]
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
I 114662
SheetNo. Rev.
Made by Date Rata Checked
CH 05Dee-2003 borrlb DB2Ad ck4
Shear Strength
Parameters
Phi or c or CO'
Phi0
[“I LkPal
0.0 3.000
0.0 3.000
0.1000 500.0 515.0
101.5 88.01
80.00
101.5
RESULTS OF ANALYSIS
Slip Centre RadIiUS Slip Comment/ Disturbing Restoring
Weight FOS Moment Moment
s Iml Y Iml [ml [kNl [kN ml [kN ml
497.2 9300. 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (497.2,9300.) Radius O.Om
Iterations: 5 Horiz acceleration (Sg]: 0.0
Net vertical force [kN]: 0.0 Slip weight IkN] 20760.
Net horiz force [kN]: -95.37E-6 Disturbing moment [kN ml: 543.6
Restoring moment [kN m]: 1562.
Factor of Safety: 2.873
Slip surface coordinates
Point s {ml Y [ml
1 -1.500 1a1.5
2 -0.1000 100.1
3 0.0 100.0
4 0.1000 100.0
5 10.30 99.64
6 20.50 99.28
7 30.71 98.93
8 40.91 98.57
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure 1M
u [kPa] T E
0.3658 0.0 0.0
14.00 0.0 8.112
15.00 0.0 9.499
15.03 0.0 9.452
15.92 0.0 4.853
16.81 0.0 0.6020
17.70 0.0 -3.300
18.59 0.0 -6.853
rogram SLOPE Version
Slope Stability Analysis
17.9 Copyright 0 1997-2003 Oesys Ltd
Printed 05-Dee-2003
Page
Time
1
17:Ol
EPA Export 04-01-2007:02:18:43
E(u)
0.0
9.800
11.25
11.30
12.68
14.14
15.67
17.29
82.54
88.0;
88.01
a

3asys
Jorrib
‘eat stablity - 500m slip length - 20deg wedge
9
10
11
12
13
14
15
16
17
18
:z
21
22
23
24
:"6
27
28
29
30
31
32
33
34
:i
37
:"9
40
41
42
43
44
45
46
47
48
49
50
51
52
53
51.11 98.22 19.48
61.31 97.86 20.37
71.51 97.50 22.26
al.72 97.15 22.15
91.92 96.79 23.04
102.1 96.43 23.93
112.3 96.08 24.82
122.5 95.72 25.71
132.7 95.37 26.60
142.9 95.01 27.49
153.1 94.65 28.38
163.3 94.30 29.27
173.5 93.94 30.16
183.7 93.58 31.05
193.9 93.23 31.94
204.1 92.87 32.83
214.3 92.52 33.12
224.5 92.16 34.61
234.7 91.80 35.50
244.9 91.45 36.39
255.2 91.09 37.28
265.4 90.73 38.17
275.6 90.38 39.06
285.8 90.02 39.95
296.0 89.67 40.84
306.2 89.31 41.73
316.4 88.95 42.62
326.6 88.60 43.51
336.8 88.24 44.40
347.0 87.88 45.29
357.2 87.53 46.18
367.4 87.17 47.07
377.6 86.82 47.96
387.8 86.46 48.85
398.0 86.10 49.74
408.2 85.75 50.63
418.4 85.39 51.52
428.6 85.03 52.41
438.8 84.68 53.30
449.0 84.32 54.19
459.2 83.97 55.08
469.4 83.61 55.97
479.6 83.25 56.86
489.8 82.90 57.75
500.0 82.54 58.64
507.5 85.28 29.32
515.0 88.01 0.0
0.0 -10.06
0.0 -12.91
0.0 -15.42
0.0 -17.58
0.0 -19.39
0.0 -20.85
0.0 -21.96
0.0 -22.72
0.0 -23.14
0.0 -23.20
0.0 -22.92
0.0 -22.29
0.0 -21.31
0.0 -19.98
0.0 -18.30
0.0 -16.27
0.0
0.0
-13.90
-11.17
0.0 -8.101
0.0 -4.680
0.0 -0.9095
0.0 3.210
0.0 7.677
0.0 12.49
0.0 17.66
0.0 23.17
29.04
L?:
35.25
010
41.81
48.72
::i
55.97
0.0 63.58
0.0 71.54
0.0 79.84
0.0 ea.49
0.0 97.49
106.8
::i
116.5
0.0 126.6
137.0
Job No. Sheet No. Rev.
I 14662 FE&
Drg. Ref.
Slice Strength Parameters Pore Slice Forces on base [kNJ
No. Pressure *eight
c' [kPa] Tan phi /kPal [kNl Normal Shear
1 3.000 0.0 7.183 lo.78 13.54 5.940
2 3.000 0.0 14.50 1‘595 2.108 0.4243
3 3.000 0.0 15.02 1.652 1.649 0.3002
4 3.000 0.0 15.48 173.7 173.5 30.62
5 3.000 0.0 16.37 183.7 183.4 30.62
6 3.000 0.0 17.26 193.7 193.4 30.62
7 3.000 0.0 18.15 203.7 203.4 30.62
8 3.000 0.0 19.04 213.7 213.4 30.62
9 3.000 0.0 19.93 223.7 223.4 30.62
10 3.000 0.0 20.82 233.6 233.4 30.62
11 3.000 0.0 21.71 243.6 243.4 30.62
12 3.000 0.0 22.60 253.6 253.4 30.62
13 3.000 0.0 23.49 263.6 263.4 30.62
14 3.000 0.0 24.38 273.6 273.4 30.62
15 3.000 0.0 25.27 283.6 283.4 30.62
16 3.000 0.0 26.16 293.6 293.4 30.62
17 3.000 0.0 27.05 303.5 303.4 30.62
18 3.000 0.0 27.94 313.5 313.4 30.62
19 3.000 0.0 28.83 323.5 323.3 30.62
20 3.000 0.0 29.72 333.5 333.3 30.62
21 3.000 0.0 30.61 343.5 343.3 30.62
22 3.000 0.0 31.50 353.5 353.3 30.62
23 3.000 0.0 32.39 363.5 363.3 30.62
24 3.000 0.0 33.28 373.5 373.3 30.62
i::
147.1
For inspection purposes only.
Consent of copyright owner required for any other use.
0.0 158.8
0.0 l.70.3
0.0 182.1
a.0 194.2
0.0 53.00
0.0 -95.373-6
Made by Date Data Checked
CH 05-Dee-2003 CotibDB2.sld CM
18.98
20.76
22.61
24.54
26.55
28.64
30.81
33.06
35.39
31.79
40.28
42.85
45.49
48.21
51.02
53.90
56.86
59.90
63.02
66.22
69.50
72.86
76.29
79.81
83.40
87.08
90.83
94.66
98.58
102.6
106.6
110.8
115.0
119.3
123.7
128.2
132.7
137.3
142.0
146.8
151.7
156.6
161.7
166.8
171.9
42.98
0.0
Vogram SLOPE Version
Slope Stability Analysis
17.9 Copyright 0 1997-2003 Oasys Ltd
Printed 05De*2003
Page
Time 17:Ol
EPA Export 04-01-2007:02:18:43

Peat stability - 500m slip length: - 20deg wedge
Slice
no.
25
26
27
28
29
30
31
32
33
34
35
36
37
33;
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
2
30
31
32
33
34
35
36
37
38
39
40
41
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
Surface Load [kPa]
Vert
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Horiz
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
a":
0:o
0.0
0.0
i::
0.0
it:
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
34.17
35.06
35.95
36.84
37.73
38.62
39.51
40.40
41.29
42.18
43.07
43.96
44.85
45.74
46.63
47.52
48.41
49.30
50.19
51.08
51.97
52.86
53.75
54.64
55.53
56.42
57.31
58.20
43.98
14.66
383.4
393.4
403.4
413.4
423.4
433.4
443.4
453.3
463.3
473.3
483.3
493.3
503.3
513.3
523.3
533.2
543.2
553.2
563.2
573.2
583.2
593.2
603.1
613.1
623.1
633.1
643.1
653.1
363.8
121.3
Water Pressure on
ground surface [kPa]
Vert Horiz
0.1829
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
E 0.0
0.0 0.0
0.0 0.0
0.0 0.0
E 0.0
i:: 0.0
0.0 ::i
0.0 0.0
i:: 0.0
0.0 0.0
E 0.0
0.0 0.0
0.0 0.0
0.0 0.0
X 0.0
0.0 0.0
::i
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
383.3
393.3
403.3
413.3
423.3
433.3
443.3
453.3
463.2
473.2
483.2
493.2
503.2
513.2
523.2
533.2
543.2
553.2
563.2
573.2
583.2
593.1
603.1
613.1
623.1
633.1
643.1
653.1
390.2
132.1
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Date Data Checked
CH 05Dee-2003 Corrlb DB2.sld ch
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
24.01
24.01
rogram SLOPE Version 17.9 Copyright CD 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05-Dee-2003 Time 17:Ol
EPA Export 04-01-2007:02:18:43

Class
3rrib
?eat stibility - 500m slip length - 20deg wedge
Zenera Parameters
lirection of slip: DOWNHILL
linimum slip weight [kNJ : 10
?ype of analysis : STATIC
knalysis Options
Tactor of safety on : SHEAR STRENGTH
linimum number of slices: 50
gethod: Janbu {Horizontal interslice forces)
ilaximum number of iterations: 100
titerial properties
NO. Description
1 peat 1
2 peat 2
Unit Weight
Above GWL Below GWD
[kN;m3] [kN/m31
11.00 11.00 Undrained
11.00 11.00 Undrained
Zoordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000
: 1 2 102.0 101.5 101.5
GWLl 102.0
101.5
Slip
101.;
Stratum Material x -->
800.0
1 1 80.55
2 2 80.00
GWLl 80.55
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/
Weight FoS
x [ml Y [ml [ml [kN]
497.2 9300. 0.0
Job No. Sheet
p&3
No. Rev.
114662
Drg. Ref.
Madeby Date Data Ce ed
CH 05%Dee-2003 Corrlb DAZsld u
0.0 0.1000
101.5 101.5
100.0 80.00
101.5 101.5
100.0
Disturbing Restoring
Moment Moment
[kN ml [kN m]
WORST CASE : WATER CASE 1 OF 1
Centre at (497.2,9300.1 Radius O.Om
Iterations: 5 Horiz acceleration [%g): 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 20760.
Net horiz force [kN]: -103,OE-6 Disturbing moment [kN ml: 543.6
Restoring moment [kN m]: 1553.
Factor of Safety: 2.857
Slip surface coordinates
Point 1
2
3
i
6
7
8
x [ml Y [ml
-1.500 101.5
-0.1000 100.1
0.0 100.0
0.1000 100.0
10.30 99.64
20.50 99.28
30.71 98.93
40.91 98.57
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure iw
u [kPa] T E
0.3658 0.0 0.0
14.00 0.0 11.03
15.00 0.0 12.62
15.03 0.0 12.5-l
15.92 0.0 7.912
16.81 0.0 3.600
17.70 0.0 -0.3633
18.59 0.0 -3.978
E lu)
0.0
9.800
11.25
11.30
12.68
14.14
15.67
17.29
Shear Strength
Parameters
Phi or c or CO'
Phi0
[“I [kl?al
0.0 3.000
0.0 0.01000
500.0 515.0
88.01
‘ragram SLOPE Version
Slope Stability Analysis
17.9 Copyright CD 1997-2003 Oasys Ltd
Printed 05Dee-2003
Page
Time 17:37
EPA Export 04-01-2007:02:18:43
.
82.5;1
88.Oi
88.01

oasys
Corrib
Peat stability - 500m slip Iength - 20deg wedge
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
z:
36
37
38
39
40
41
42
43
44
45
46
47
48
49
SO
51
52
53
54
55
51.11 98.22 19.48
61.31 97.86 20.37
71.51 97.50 21.26
81.72 97.15 22.1s
91.92 96.79 23.04
102.1 96.43 23.93
112.3 96.08 24.82
122.5 95.72 25.71
132.7 95.37 26.60
142.9 95.01 27.49
153.1
163.3
173.5
94.65
94.30
93.94
28.38
29.27
30.16
183.7
193.9
93.58
93.23
31.05
31.94
204.1 92.87 32.83
214.3 92.52 33.72
224.5 92.16 34.61
234.7 91.80 35.50
244.9
255.2
265.4
91.45
91.09
90.73
36.39
37.28
38.17
275.6 90.38 39.06
285.8
296.0
306.2
90.02
89.67
89.31
39.95
40.84
41.73
316.4 88.95 42.62
326.6 88.60 43.51
336.8
347.0
88.24
87.88
44.40
45.29
357.2 87.53 46.18
367.4 87.17 47.07
377.6
387.8
86.82
86.46
47.96
48.85
398 .O
408.2
86.10
85.75
49.74
50.63
418.4
428.6
85.39
85.03
51.52
52.41
438.8
449.0
84.68
84.32
53.30
54.19
459.2 83.97 55.08
469.4 83.61 55.97
479.6 83.25 56.86
489.8 82.90 57.75
500.0 82.54 58.64
507.5 85.28 29.32
515.0 88.01 0.0
0.0 -7.244
0.0 -10.16
0.0 -12.73
0.0 -14.95
0.0 -16.82
0.0 -18.34
0.0 -19.52
0.0 -20.34
0.0 -20.82
0.0 -20.94
0.0 -20.72
0.0
0.0
-20.15
-19.23
0.0 -17.97
0.0 -16.35
0.0
0.0
-14.38
-12.07
0.0 -9.408
0.0 -6.397
0.0
0.0
-3.037
0.6718
0.0 4.729
0.0
0.0
9.135
13.89
0.0
0.0
18.99
24.45
0.0 30.25
0.0 36.40
0.0 42.90
0.0 49.74
0.0
0.0
56.94
64.48
0.0 72.38
0.0 80.62
0.0 89.21
0.0 98.15
0.0 107.4
117.1
x-i 127.1.
0:o 137.4
0.0 148.1
0.0 159.1
0.0
0.0
170.5
182.2
0.0 194.3
0.0
0.0
53.05
-103.OE-6
JobNo. Sheet No. Rev.
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Strength Parameters Pore Slice Forces on base [kN]
RO. Pressure Weight
c' (kPa] Tan phi [k-l IkNl Normal Shear
1 0.01000 0.0 7.183 10.78 15.60 0.01980
2 0.01000 0.0 14.50 1.595 2.25s 0.001414
3 3.000 0.0 15.02 1.652 1.649 0.3002
4 3.000 0.0 15.48 173.7 173.5 30.62
5 3.000 0.0 16.37 183.7 183.4 30.62
6 3.000 0.0 17.26 193.7 193.4 30.62
7 3.000 0.0 18.15 203.7 203.4 30.62
8 3.000 0.0 19.04 213.7 213.4 30.62
9 3.000 0.0 19.93 223.7 223.4 30.62
10 3.000 0.0 20.82 233.6 233.4 30.62
11 3.000 0.0 21.71 243.6 243.4 30.62
12 3.000 0.0 22.60 253.6 253.4 30.62
13 3.000 0.0 23.49 263.6 263.4 30.62
14 3.000 0.0 24.38 273.6 273.4 30.62
15 3.000 0.0 25.27 283.6 283.4 30.62
16 3.000 0.0 26.16 293.6 293.4 30.62
17 3.000 0.0 27.05 303.5 303.4 30.62
18 3.000 0.0 27.94 313.5 313.3 30.62
19 3.000 0.0 28.83 323.5 323.3 30.62
20 3.000 0.0 29.72 333.5 333.3 30.62
21 3.000 0.0 30.61 343.5 343.3 30.62
22 3.000 0.0 31.50 353.5 353.3 30.62
23 3.000 0.0 32.39 363.5 363.3 30.62
24 3.000 0.0 33.28 373.5 373.3 30.62
18.98
20.76
22.61
24.54
26.55
28.64
30.81
33.06
35.39
37.79
40.28
42.85
45.49
48.21
51.02
53.90
56.86
59.90
63.02
66.22
69.50
72.86
76.29
79.81
83.40
87.08
90.83
34.66
98.58
102.6
106.6
110.8
115.0
119.3
123.7
128.2
132.7
137.3
142.0
146.8
151.7
156.6
161.7
166.8
171.9
42.98
0.0
Date Data Checked
0%Dee-2003 Corrib DA2.sld OM
-ograrrt SLOPE Version g7.9 Copyright Q 1997-2003 Oasys Ltd Page :
Slope Stability Analysis Printed 05Dee-2003 Time 17:37
EPA Export 04-01-2007:02:18:43

c>asasys
Zorrib
?eat stabiIity - 500m slip length - 2Odeg wedge
Slice
X0.
25
26
27
26
29
30
31
32
33
34
3s
36
37
38
39
40
41
42
43
44
45
46
47
46
49
50
51
52
53
54
1
2
3
4
5
6
7
8
9
10
11
1.2
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
SO
41
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
Surface Lo lad [kPa]
Vert 0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
0.0
E
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i:X
0.0
::i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Ki
010
0.0
0.0
HOCLZ
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
0.0
i::
Z:i
X:i
0.0
i-i
0:o
0.0
E
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Kl
:::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i:8
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i:X
0.0
2:
X
0.0
0.0
0.0
0.0
0.0
34.17
35.06
35.95
36.84
37.73
38.62
39.51
40.40
41.29
42.18
43.07
43.96
44.85
45.74
46.63
47.52
48.41
49.30
50.19
51.08
51.97
52.86
53.75
54.64
55.53
56.42
57.31
58.20
43.98
14.66
383.4
393.4
403.4
413.4
423.4
433.4
443.4
453.3
463.3
473.3
483.3
493.3
503.3
513.3
523.3
533.2
543.2
553.2
563.2
573.2
583.2
593.2
603.X
613.1
623.1
633.1
643.1
653.1
363.8
121.3
Water Pressure on
ground surface [IcPa]
Vert Horiz
0.1829 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
X 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
8-i
0.0
0.0
0:o
0.0
0.0 0.0
0.0 0.0
::i 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
i:: 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
E
a:0
0.0
0.0
E 0.0
0.0 0.0
0.0 0.0
0.0 0.0
383.3
393.3
403.3
413.3
423.3
433.3
443.3
453.2
463.2
473.2
483.2
493.2
503.2
513.2
523.2
533.2
543.2
553.2
563.2
573.2
503.2
593.1
603.1
613.1
623.1
633.1
643.1
653.1
390.2
132.1
Sob No. Sheet No. Rev.
114662 l=gq
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Made
CH
by
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
24.01
24.01
Date
D5-DeC-2003
Data
Comb DA2sld
Checked
04
Frogram SLOPE Version
S ilope Stability Anatysls
17.9 Copyright 0 3997-2003 Oasys Ltd
Printed 05De@2003
Page
Time
3
17:37
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
.
Corrib Onshore Terminal
Slope geometric data
Slope length L = 500 In
Passive wedge angle 0 = 30 degs
Xl 0
yl 101.5
x2 0
y2 100
x3 500 Set length
y3 1 82.53962
x5 1 724.0679 ground sutiace x at y=y3 I
100
g 95
5
3 90
85
80
For inspection purposes only.
Consent of copyright owner required for any other use.
‘-Ground surface
-Slip Surface
-100 0 100 200 300 400 500 600 700 800
Distance (m)
Job No. It4662 Sheet l/l pa 0
Made by: CH Chkd:.!%
Date: 301l112003
Rev: -,- 0
Primed DS11212003 20 03
EPA Export 04-01-2007:02:18:43

‘eat stability - 5OOm slip length - 30deg wedge
98.00 ’ i
96.00
..-.
94.00 -
92.00
90.00
88.00
86.00
64.00
82.00 .
-l(JO.O
Scale x 1:6374 y 1:141
.
\i
4
: \
. . \ \ 1 .
\
\
‘\
\
‘i
: . .:,,, i .
.
100.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by Date Data Checked
CH 05-Dee-2003 Corrib DA3.sld t-14
.
300.0 50b.O
700.0
\ \ \ \
‘ya00.0.80.
‘rogram SLOPE Version 17.9 Copyright (B 1997-2003 Oasys Ltd Page
-- -_
Slope Stability Analysis Printed OS-Dee2003 Time
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 5OOm stip length - 30deg wedge
General Parameters
Direction of slip: DOWNHILL
Minimum slip weight [kN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu (Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
NO. Description Unit Weight
Above GWL Below GW'L
[kN/m31 [kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.3000
1 1 102.0 101.5
2 2 102.0 101.;
GWLl 102.0 101.5
Slip 101.;
Stratum Material x -->
800.0
1 1 80.55
2 2 80.00
GWLl 80.55
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil sucfzion: 0.0 [III]
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
x [m] Y [ml (ml [kN] fkN ml [kN m]
489.7 9118. 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at [489.7,9118.) Radius O.Om
Iterations: 5 Horiz acceleration [%g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 20590.
Net horiz force [kN]: -183.1E-6 Disturbing moment [kN m]: 539.2
Restoring moment [kN m]: 1541.
Factor of Safety: 2.858
Slip surface coordinates
Point :i [m] Y [ml
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
4 0.1000 100.0
5 10.30 99.64
6 20.50 99.28
7 30.71 96.93
8 40.91 ?8.57
Pore
Pressure
u [kPd]
0.3658
14.00
15.00
15.03
15.92
16.81
17.71
18.60
For inspection purposes only.
Consent of copyright owner required for any other use.
Interslice forces
T
KZ
rkN1
E
10.94 0.0
0.0 12.53
0.0 12.48
0.0 1.824
0.0 3.517
0.0 -0.4400
0.0 -4.049
Made by Date Data Checked
CH 05Dee-2003 Corrlb DAdsId CM
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I [kPal
0.0 3.000
0.0 0.1000
0.0 0.1000 500.0 509.7
101.5 101.5 88.15
100.0 80.00
101.5 101.5 88.1;
100.0 82.54 88.15
E lu)
0.0
9.800
11.25
11.30
12.68
14.14
15.67
17.29
rogram SLOPE Version 17.9 Copyright &3 1997-2003 Oasys Ltd Page
Slope St&bllity Analysis Printed 06-Dee-2003 Time 20:05
EPA Export 04-01-2007:02:18:43

0
0
0
oasys
Corrib
Peat stability - 500111 slip length - 30deg wedge
?
10
11
12
13
14
15
16
17
I.8
19
20
21
22
23
zi
26
27
28
29
30
::
33
il
36
37
38
39
40
41
42
43
44
45
46
47
48
49
::
52
53
54
55
51.11
61.31
71.51
81.72
91.92
102.1
112.3
122.5
132.7
142.9
153.1
163.3
173.5
183.7
193.9
204.1
214.3
224.5
234.7
244.9
255.2
265.4
275.6
285.8
296.0
306.2
316.4
326.6
336.8
347.0
357.2
367.4
377.6
387.8
398.0
408.2
418.4
428.6
438.8
449.0
459.2
469.4
479.6
489.8
500.0
504.9
509.7
Slice Strength Parameters
NO.
98.22
97.86
97.50
97.15
96.79
96.43
96.08
95.72
95.37
95.01
94.65
94.30
93.94
93.58
93.23
92.87
92.52
92.16
91.80
91.45
91.09
90.73
90.38
90.02
89.67
89.31
88.95
88.60
88.24
87.88
81.53
87.17
86.82
86.46
86.10
85.75
85.39
85.03
84.68
84.32
83.97
83.61
83.25
82.90
82.54
85.35
88.15
c' [kPa] Tan Qhi
1 0.1000 0.0
2 3 0.1000 3.000 ii::
4 3.000 0.0
ii 3.000 0.0
7 3.000 0.0
8 3.000 0.0
9 3.000 0.0
10 11 3.000 i-i
12 3.000 0:o
13 3.000 0.0
14 3.000 0.0
15 16 3.000 8::
17 3.000 0.0
18 3.000 0.0
19 3.000 0.0
20 3.000 0.0
21 3.000 0.0
22 3.000 0.0
23 3.000 0.0
24 3.000 0.0
19.49
20.38
21.27
22.16
23.05
23.94
24.83
25.72
26.61
27.50
28.39
29.28
30.17
31.06
31.95
32.84
33.73
34.62
35.51
36.40
37.29
38.18
39.07
39.96
40.85
41.74
42.63
43.52
44.41
45.30
46.19
47.08
47.97
48.86
49.75
50.64
51.53
52.42
53.31
54.20
55.09
55.98
56.87
57.76
58.65
29.32
0.0
0.0
0.0
0.0
0.0
0.0
i::
0.0
0.0
0.0
0.0
ii-:
0:o
0.0
0.0
0.0
iti
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
El
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
X-I:
0:o
i:8
0.0
0.0
0.0 -183.13-6
-7.309
-10.22
-12.78
-15.00
-16.86
-18.38
-19.54
-20.36
-20.83
-20.95
-20.72
-20.15
-19.22
-17.95
-16.32
-14.35
-12.03
-9.362
-6.344
-2.977
0.7388
4.803
9.217
13.98
19.09
24.55
30.36
36.52
43.02
49.88
57.08
64.63
72.53
80.78
89.38
98.33
107.6
117.3
127.3
137.6
148.3
For inspection purposes only.
Consent of copyright owner required for any other use.
159.3
170.7
182.5
194.6
52.04
Pore Slice Forces on base [kN]
Pressure Weight
LkPal [kNl Normal Shear
7.183 10.78 15.54 0.1980
14.50 1.595 2.251 0.01414
15.02 1.652 1.649 0.3002
15.48 173.7 173.5 30.62
16.37 183.7 183.4 30.62
17.26 193.7 193.4 30.62
18.15 203.7 203.4 30.62
19.04 213.7 213.4 30.62
19.93 223.7 223.4 30.62
20.82 233.6 233.4 30.62
21.71 243.6 243.4 30.62
22.60 253.6 253.4 30.62
23.49 263.6 263.4 30.62
24.38 273.6 273.4 30.62
25.27 283.6 283.4 30.62
26.16 293.6 293.4 30.62
27.05 303.6 303.4 30.62
27.94 313.6 313.4 30.62
28.83 323.5 323.4 30.62
29.72 333.5 333.4 30.62
30.61 343.5 343.4 30.62
31.50 353.5 353.3 30.62
32.39 363.5 363.3 30.62
33.28 373.5 373.3 30.62
18.98
20.76
22.61
24.54
26.55
28.64
30.81
33.06
35.39
37.80
40.29
42.85
45.50
48.22
51.03
53.91
56.87
59.91
63.03
66.23
69.51
72.87
76.31
79.82
83.42
87.09
90.85
94.68
98.59
102.6
106.7
110.8
115.0
119.3
123.7
128.2
132.7
137.4
142.1
146.9
151.7
156.7
161.7
166.8
172.0
42.99
0.0
Checked
05-De~+2003 Corrlb DA3.sld c.b
‘rogram SLOPE Version 17.9 Copyright (D 1997-2003 Oasys Ltd Page
ilope Stability Analysis Printed 06-Dee-2003 Time 20:05
EPA Export 04-01-2007:02:18:43

Oasys
COWib
Feat stability - 500111 slip length - 30deg wedge
Slice
no.
Job No. Sheet No. Rev.
FSQ
114662
Drg. Ref.
25 3.000 0.0 34.17 383.5 383.3 30.62
26 3.000 0.0 35.06 393.5 393.3 30.62
27 3.000 0.0 35.95 403.4 403.3 30.62
28 3.000 0.0 36.84 413.4 413.3 30.62
29 3.000 0.0 37.73 423.4 423.3 30.62
30 3.000 0.0 38.62 433.4 433.3 30.62
31 3.000 0.0 39.51 443.4 443.3 30.62
32 3.000 0.0 40.40 453.4 453.3 30.62
33 3.000 0.0 41.29 463.4 463.3 30.62
34 3.000 0.0 42.18 473.4 473.3 30.62
35 3.000 0.0 43.07 483.4 483.3 30.62
36 3.000 0.0 43.96 493.3 493.3 30.62
3-l 3.000 0.0 44.85 503.3 503.3 30.62
38 3.000 0.0 45.74 513.3 513.3 30.62
39 3.000 0.0 46.63 523.3 523.2 30.62
40 3.000 0.0 47.52 533.3 533.2 30.62
41 3.000 0.0 48.41 543.3 543.2 30.62
42 3.000 0.0 49.30 553.3 553.2 30.62
43 3.000 0.0 50.19 563.3 563.2 30.62
44 3.000 0.0 51.08 573.2 573.2 30.62
45 3.000 0.0 51.97 583.2 583.2 30.62
46 3.000 0.0 52.86 593.2 593.2 30.62
47 3.000 0.0 53.75 603.2 603.2 30.62
48 3.000 0.0 54.64 613.2 613.2 30.62
49 3.000 0.0 55.53 623.2 623.2 30.62
50 3.000 0.0 56.42 633.2 633.2 30.62
51 3.000 0.0 57.31 643.2 643.2 30.62
52 3.000 0.0 58.20 653.1 653.2 30.62
53 3.000 0.0 43.98 235.1 274.9 16.83
54 3.000 0.0 14.66 78.38 93.90 16.83
1
2
3
4
S
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
21
28
29
30
31
32
33
34
35
36
37
38
39
40
41
Surface Load [kPa]
Vert Hotiz
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
Water Pressure on
ground surface [kPa]
Vert Kori z
0.1829 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
Made by Date Data Chec%ed
CH 0%Dac-2003 Corrib DA3.sld CM
rogram SLOPE Version 17.9 Copyright Q 1997-2003 OaSys Ltd Page 3
Slope Stability Analysis Printed 09-Dee-2003 Time 20:05
EPA Export 04-01-2007:02:18:43

3asys
lorrib
‘eat stability - 5OOm slip length - 30deg wedge
kneral Parameters
&.rection of slip: DOWNHILL
knimum slip weight [kN] : 10
'ype of analysis : STATIC
analysis Options
'actor of safety on : SHEAR STRENGTH
iinimum number of slices: 50
lethod: Janbu (Horizontal interslice forces]
Iaximum number of iterations: 100
laterial properties
NO. Description Unit Weight
Above GWL Below GWL
EkN/m3] (kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
:oozdinates of top of soil strata
itratum Material x -->
-20.00 -1.50Q -0 * 1000 0.0
1 1 102.0 101.5 101.5
2 2 102.0 101.5 100.0
GWLl 102.0 101.5 101.5
Slip 101.; 100.0
Stratum Material x -->
800.0
2" 2 1 80.55 80.00
GWLl 80.55
Slip
koundwater
Fore pressure distribution type: HYDROSTATIC
vlaximum soil suction: 0.0 (m]
Jnit weight of water: 10.00 kN/m3
Aumber of phreatic surfaces: 1
Job No. Sheet No.
-
WV&
Rev.
1 ‘l4662
org. Ref.
Made by
CH
RESULTS OF ANALYSIS
Slip Centie Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
x {ml Y [ml [ml [kN1 [kN m] [kN m]
489.1 9118. 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (489.7,9118.) Radius O.Om
Iterations: 5 Horiz acceleration [Sg]: 0.0
Net vertical force [kN]: 0.0 Slip weight [ kN] 20590.
Net horiz force [kN]: -183,1E-6 Disturbing moment [kN m]: 539.2
Restoring moment [kN ml: 1550.
Factor of Safety: 2.974
Slip surface coordinates
Point x [ml y [ml
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
4 0.1000 100.0
5 10.30 99.64
6 20.50 99.28
7 30.71 98.93
8 40.91 98.57
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore
Pressure
u [kPal
0.3658
14.00
15.00
15.03
15.92
16.81
17.71
18.60
Interslice forces
N-J1
T E
0.0 0.0
0.0 8.114
::i 9.500 9.453
0.0
0.0
0.0
0.0
4.858
0.6122
-3.285
-6.834
Date Data Checked
05Dee-2003 Corrlb Di33.sld
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I IkPal
0.0 3.000
0.0 3.000
0 * 1000 500.0 509.7
101.5 88.15
80.00 .
101.5
82.54
‘rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06De&2003 Time 20:06
EPA Export 04-01-2007:02:18:43
Elul
0.0
9.800
11.25
11.30
12.68
14.14
15.67
17.29
88.1;
88.15

Oasys
Job No. Sheet No. Rev.
114662 F9Q -f
Corrib Drg. Ref.
Feat stability - 500111 slip length - 30deg wedge
. Madeby Date Data Checked
CH OS-Dee-2003 Corrib DBB.sld
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
2
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
51.11
61.31
71.51
81.72
91.92
102.1
112.3
122.5
132.7
142.9
153.1
163.3
173.5
183.7
193.9
204.1
214.3
224.5
234.7
244.9
255.2
265.4
275.6
285.8
296.0
306.2
316.4
326.6
336.8
347.0
357.2
367.4
377.6
387.8
398.0
408.2
418.4
428.6
438.8
449.0
459.2
469.4
479.6
489.8
500.0
504.9
509.7
98.22 19.49 0.0 -10.03 18.98
97.86 20.38 0.0 -12.88
97.50 21.27 0.0 -15.39
97.15 22.16 0.0 -17.54
96.79 23.05 0.0 -19.34
96.43 23.94 0.0 -20.80
96.08 24.83 0.0 -21.91
95.72 25.72 0.0 -22.66
95.37 26.61 0.0 -23.07
95.01 27.50 0.0 -23.14
94.65 28.39 0.0 -22.85
94.30 29.28 0.0 -22.21
93.94 30.17 0.0 -21.22
93.58 31.06 0.0 -19.89
93.23 31.95 0.0 -18.21
92.87 32.84 0.0 -16.17
92.52 33.73 0.0 -13.79
92.16 34.62 0.0 -11.06
91.80 35.51 0.0 -7.985
91.45 36.40 0.0 -4.558
91.09 37.29 0.0 -0.7821
90.73 38.18 0.0 3.343
90.38 39.07 0.0 7.816
90.02 39.96 0.0 12.64
89.67 40.85 0.0 17.81
89.31 41.74 0.0 23.33
88.95 42.63 0.0 29.20
88.60 43.52 0.0 35.42
88.24 44.41 0.0 41.98
87.88 45.30 0.0 48.90
87.53 46.19 0.0 56.16
87.17 47.08 0.0 63.77
86.82 47.97 0.0 71.74
86.46 48.86 0.0 80.05
86.10 49.75 0.0 88.70
as.75 50.64 0.0 97.71
85.39 51.53 0.0 107.1
85.03 52.42 0.0 116.8
84.68
84.32
53.31
54.20
0.0
0.0
126.8
137.2
83.97
83.61
55.09
55.98
0.0
0.0
148.0
159.1
83.25 56.87 0.0 170.5
82.90 57.16 0.0 182.3
82.54 58.65 0.0 194.5
85.35 29.32 0.0 52.00
88.15 0.0 0.0 -183.1E-6
For inspection purposes only.
Consent of copyright owner required for any other use.
20.76
22.61
24.54
26.55
28.64
30.81
33.06
35.39
37.80
40.29
42.85
45.50
48.22
51.03
53.91
56.87
59.91
63.03
66.23
69.51
72.87
76.31
79.82
83.42
87.09
90.85
94.68
98.59
102.6
106.7
110.8
115.0
l&9. 3
123.7
128.2
132.7
137.4
142.1
146.9
151.7
156.7
161.7
166.8
172.0
42.99
Slice Strength Parameters Pore Slice Forces on base [IcN]
NO. Pressure Weight
c' [kPal Tan phi LkPal [kNl Normal Shear
1 3.000 0.0 7.183 10.78 13.54 5.940
2 3.000 0.0 14.50 1.595 2.108 0.4243
3 3.000 0.0 15.02 1.652 1.649 0.3002
4 3.000 0.0 15.48 173.7 173.5 30.62
5 3.000 0.0 3.6.3-I 183.7 183.4 30.62
6 3.000 0.0 17.26 193.7 193.4 30.62
7 3.000 0.0 18.15 203.7 203.4 30.62
8 3.000 0.0 19.04 213.7 213.4 30.62
9 3.000 0.0 19.93 223.7 223.4 30.62
10 3.000 0.0 20.82 233.6 233.4 30.62
11 3.000 0.0 21.71 243.6 243.4 30.62
12 3.000 0.0 22.60 253.6 253.4 30.62
13 3.000 0.0 23.49 263.6 263.4 30.62
14 3.000 0.0 24.38 273.6 273.4 30.62
15 3.000 0.0 25.27 283.6 283.4 30.62
16 3.000 0.0 26.16 293.6 293.4 30.62
17 3.000 0.0 27.05 303.6 303.4 30.62
18 3.000 0.0 27.94 313.6 313.4 30.62
19 3.000 0.0 28.83 323.5 323.4 30.62
20 3.000 0.0 29.72 333.5 333.4 30.62
-31 3.000 0.0 30.61 343.5 343.4 30.62
22 3.000 0.0 31.50 353.5 353.3 30.62 i
23 3.000 0.0 32.39 363.5 363.3 30.62
24 3.000 0.0 33.28 373.5 373.3 30.62
rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 20X6
EPA Export 04-01-2007:02:18:43

Class
Job No. Sheet No. Rev.
114662
Zorrib Drg. Ref.
Feat stability - 500m slip Length - 30deg wedge
Made by Date Data Checked
CH 05Dee-2003 Corrib DBbsld
Jlice
10.
25
26'
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
fil
46
47
4s
49
50
::
53
54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
:"3
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
3.000 0.0 34.17 383.5 383.3 30.62
3.000 0.0
3.000 0.0
3.000 0.0 \
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 ii:8
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000
3.000
i::
3.000 Kl
3.000 0.0
3.000 0.0
Surface Load [kPa]
Vert Hark
0.0 0.0
0.0 0.0
0.0
0.0 X-8
0.0 0:o
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
Fl:: 0.0
i-i
0:o
0.0
0.0
i:: 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0,o 0.0
0.0 0.0
0.0 l?“o
0.0 0:o
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
35.06 393.5 393.3
35.95 403.4 403.3
36.84 413.4 413.3
37.73 423.4 423.3
38.62 433.4 433.3
39.51 443.4 443.3
40.40 453.4 453.3
41.29 463.4 463.3
42.18 473.4 473.3
43.07 483.4 483.3
43.96 493.3 493.3
44.85 503.3 503.3
45.74 513.3 513.3
46.63 523.3 523.3
47.52 533.3 533.2
48.41 543.3 543.2
49.30 553.3 553.2
50.19 563.3 563.2
51.08 573.2 573.2
51.97 583.2 583.2
52.86 593.2 593.2
53.75 603.2 603.2
54.64 613.2 613.2
55.53 623.2 623.2
56.42 633.2 633.2
57.31 643.2 643.2
58.20 653.1 653.2
43.98 235.1 274.9
14.66 78.38 93.88
Water Pressure on
ground surface [kPa]
Vert Horiz
0.1829 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.U ii::
0.0 010 0.0 0.0
0.0 0.0 0.0 0.0
‘mgram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
slope Stability Analysis Printed 06Det2003 Time 20:06
EPA Export 04-01-2007:02:18:43
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
30.62
16.83
16.83
For inspection purposes only.
Consent of copyright owner required for any other use.
FT)

ArupGeotechnics
Corrib Onshore Terminal
Slope geometric data
Slope length L =
Passive wedge angle 6 q
500 m
40 degs
x3 500 Set length
y3 82.53962
X5 724.0679 ground surface x at y=y3 1
Ground profife f Peat profile Slip surface
Y X Y X Y
-lo 102.0237 -20 100 -1.5 101.5
0 101.5 0 100 0 100
724.0679 82.53962 500 82.53962 500 82.53962
506.7809 88.22947
8
x4
Y4
I 40 Set angle
1 506.7809 Intersection of slip surface with
1 88.22947 around sutiace
-100 0
For inspection purposes only.
Consent of copyright owner required for any other use.
- Ground surface
-Slip Surface
100 200 300 400 500 600 700 800
Distance (m)
Job No. 114662 Sheet l/l MS
2
Made by: CH Chkd:..u
Date: 30/l 312003
Rev: -,-
Pnnled D5/12RW3 16 26
EPA Export 04-01-2007:02:18:43

3asys
hrrib
eat stability - 500m slfp length - 40deg wedge
92.00
90.00
88.00
86.00
84.00 .
82.00
-1ob.o
Scalex I:6374 yl:141
Job NO. Sheet No.
114662 cw
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
i ob.0 300.0 sob.0
Rev.
Date Data Checked
OS-Decr2003 Corrib DM.std
arogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page 3
Slope Stability Analysis Printed OEDecA2003 Time 17:35
i \ \
70b.o
~y300.0,80.5
EPA Export 04-01-2007:02:18:43

oasys
Corrib
Peat stabitity - 500m slip length - 40deg wedge
General Parameters
Direction of slip: DOWNHILL
Minimum slip weight fkN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu (Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
NO. Description Unit Weight
Above GWL Below GIG
[kN/m31 [kN/m31
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -l- 500 -0.1000 0.0
1 1 102.0 101.5 101.5
2 2 102.0 101.; 100.0
GlLl 102.0 101.5 101.5
Slip 101.5 100.0
Stratum Material x -->
800.0
1 80.55
2 : 80.00
GWLl 80.55
Slip
Croundwater
Pore pressure distribution type; HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
Made by
CH
Date Data Checkec
05-Dee-2003 Corrib DM.sld 6Ga
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I [kPal
0.0 3.000
0.0 3.000
O.lDOO 500.0 506.8
101.5 88.23
80.00
101.5
For inspection purposes only.
Consent of copyright owner required for any other use.
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
weight FoS Moment Moment
x (ml Y [ml [ml IkNl ikN ml [kN m]
487.9 9107. D-0
WORST CASE : WATER CASE 1 OF 1
Centre at 1487.9,9107.) Radius O.Om
Iterations: 5 Horiz acceleration [Sg]: 0.0
Net vertical force [kN]: 0.0 Slip weight (kN] 20500.
Net horiz force [kN]: -6l.O4E-6 Disturbing moment [kN ml: 536.8
Restoring moment [kN m]: 1545.
Factor of Safety: 2.879
Slip surface coordinates Pore Interslice forces
Pressure CkNl
Point x [m] y [ml u [kPa] T E E(u)
1 -1.500 101.5 0.3658 0.0 0.0 0.0
2 -0.1000 100.1 14.00 0.0 8.119 9.800
3 0.0 100.0 15.00 0.0 9.505 11.25
4 0.1000 100.0 15.03 0.0 9.459 11.30
5 10.10 99.65 15.91 0.0 4.970 12.65
6 20.10 99.30 16.78 0.0 0.8174 14.08
7 30.09 98.95 17.65 0.0 -3.000 15.58
8 40.09 98.60 18.53 0.0 -6.483 17.16
‘rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05De*2003 Time 17:35
EPA Export 04-01-2007:02:18:43
82.54
88.2;
88.23

Peat stability - 500m slip length - 4Odeg wedge
11
12
13
14
15
16
1-I
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
50.09 98.25 19.40
60.09 97.90 20.27
70.09 97.55 21.14
80.08 97.20 22.02
90.08 96.85 22.89
100.1 96.51 '23.76
110.1 96.16 24.64
120.1 95.81 25.51
130.1 95.46 26.38
140.1 95.11 27.25
150.1 94 .I6 28.13
160.1 94.41 29.00
170.1 94.06 29.87
180.1 93.71 30.75
190.1 93.36 31.62
200.1 93.01 32.49
210.1 92.66 33.36
220.1 92.32 34.24
230.1 91.97 35.11
240.1 91.62 35.98
250.1 91.27 36.86
260.0 90.92 37.73
270.0 90.57 38.60
280.0 90.22 39.47
290.0 89.87 40.35
300.0 89.52 41.22
310.0 89.1-I 42.09
320.0 88.82 42.91
330.0 88.48 43.84
340.0 88.13 44.71
350.0 87.78 45.58
360.0 87.43 46.46
370.0 87.08 41.33
380.0 86.73 48.20
390.0 86.38 49.07
400.0 86.03 49.9s
410.0 85.68 50.82
420.0 85.33 51.69
430.0 84.98 52.57
440.0 84.63 53.44
450.0 84.29 54.31
460.0 83.94 55.18
470.0 83.59 56.06
480.0 83.24 56.93
490.0 82.89 57.80
500.0 82.54 58.68
506.8 88.23 0.0
Slice Strength Parameters
NO.
c' [kPa] Tan phi
1 3.000 0.0
: 3.000 8::
4 3.000 0.0
5 6 3.000 x::
3 3.000 0.0
8 3.000 0.0
9 3.000 0.0
10 3.000 0.0
11 3.000 0.0
12 3.000 0.0
13 I.4 3.000 2:
15 3.000 0.0
16 3.000 0.0
17 3.000 0.0
la 3.000 0.0
19 3.000 0.0
20 3.000 0.0
21 3.000 0.0
22 3.000 0.0
23 3.000 0.0
24 3.000 0.0
Pore
Pressuxe
[kPa]
7.183
14.50
15.02
15.47
16.34
17.22
18.09
18.96
19.84
20.71
21.58
22.45
23.33
24.20
25.07
25.95
26.82
27.69
28.56
29.44
30.31
31.18
32.05
32.93
0.0 -9.630
0.0 -12.44
0.0 -14.92
0.0 -17.06
0.0 -18.87
0.0 -20.34
0.0 -21.48
0.0 -22.28
0.0 -22.74
0.0 -22.87
0.0 -22.67
0.0 -22.13
-21.25
X:i -20.04
0.0 -18.50
0.0 -16.62
0.0 -14.40
0.0 -11.85
0.0 -8.965
0.0 -51744
-2.187
i:X
1.704
0.0
5.931
0.0
10.49
0.0
15.39
0.0
20.62
0.0 26.19
0.0 32.09
0.0 38.33
0.0 44.91
0.0 51.81
0.0 59.06
0.0
66.64
0.0
74.55
0.0
82.80
0.0 91.38
0.0 100.3
0.0 109.6
119.1
Xi
0.0
129.1
139.3
0.0 149.9
0.0 160.9
0.0
172.1
183.7
8:: 195.7
0.0 -6l.O4E-6
Job No.
134662
Drg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Forces on base [ECN]
Weight
[kN] Normal Shear
10.78 13.54 5.940
1.595 2.108 0.4243
1.652 1.649 0.3002
170.2 169.9 30.01
179.7 179.5 30.01
189.3 189.1 30.01
198.9 198.7 30.01
208.5 208.3 30.01
218.1 217.9 30.01
227.7 221.5 30.01
237.3 237.1 30.01
246.9 246.7 30.01
256.5 256.3 30.01
266-l 265.9 30.01
275.7 275.5 30.01
285.3 285.1 30.01
294.9 294.8 30.01
304.5 304.4 30.01
314.1 314.0 30.01
323.7 323.6 30.01
333.3 333.2 30.01
342.9 342.8 30.01
352.5 352.4 30.01
362.1 362.0 30.01
Rev.
Made by Data Data Checked
CH 05-Dee-2003 Corrib DB4.sld CBz&
18.82
20.55
22.35
24.24
26.20
28.23
30.35
32.53
34.80
37.14
39.56
42.05
44.62
47.26
49.99
52.78
55.66
58.61
61.63
64.74
61.92
71.17
74.50
II.91
81.39
84.95
88.59
92.30
96.09
99.95
103.9
107.9
112.0
116.2
120.4
124.7
129.1
133.6
138.2
142.8
147.5
152.3
157.1
162.1
167.1
172.1
0.0
Jrogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page 2
Slope Stability Analysis Printed 05-Dee-2003 Time 17:35
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - 5OOm dip length - 40deg wedge
Slice
fl0.
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
1
2
3
l
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
ii
36
37
38
39
40
41
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000
3.000 E
3.000 0:o
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
Surface Load [kPa]
Vert Horiz
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0 E
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0 E
0.0 0:o
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
33.80
34.61
35.55
36.42
37.29
38.16
39.04
39.91
40.78
41.66
42.53
43.40
44.27
45.15
46.02
46.89
47.77
48.64
49.51
SO.38
51.26
52.13
53.00
53.88
54.75
55.62
56.49
57.37
58.24
29.34
371.7
381.3
390.9
400.5
410.1
419.7
429.3
438.9
448.5
458.1
467.7
477.3
486.9
496.5
506.1
515.7
525.3
534.9
544.5
554.1
563.7
573.3
582.9
592.5
602.1
611.7
621.3
630.9
640.5
218.8
Water Pressure on
ground surface [kPa]
Vert Horiz
0.1829
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
i::
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
i::
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
El
0:o
0.0
0.0
0.0
0.0
371.6
381.2
390.8
400.4
410.0
419.6
429.2
438.8
448.4
458.0
467.6
477.2
486.9
496.5
506.1
515.7
525.3
534.9
544.5
554.1
563.7
573.3
582.9
592.5
602.1
611.7
621.3
630.9
640.5
293.4
Job No. Sheet No. Rev.
Drg. Ref.
Made by Date Data Checked
CH 05Dee-2003 Corrib DB4sld c&
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
3O.OL
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
26.55
For inspection purposes only.
Consent of copyright owner required for any other use.
rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05-Deu2003 Time 17:35
EPA Export 04-01-2007:02:18:43
a

Peat stability - 500m slip length - 4Odeg wedge
General Parameters
Direction of slip: DOWNHILL
Minimum slip weight [kN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu (Horizontal interslice forces]
Maximum number of iterations: 100
Material properties
No. Description Unit Weight
above GWL Below GWL
IkN/m31 [kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
1 1 102.0 101.5 101.5
2 2 102.0 101-i 100.0
GWLl 102.0
101.5 101.5
Slip 101.;
100.0
Stratum Material x -->
soil.0
1 1 80.55
2 2 80.00
GWLl 80.55
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/m)
Number of phreatic surfaces: 1
Made by Date Data Checked
CH OS-Dee-2003 Corrib DA4sld c&t
Shear Strength
Parameters
Phi or c or CO'
Phi0
[“I [@aI
0.0 3.000
0.0 0.1000
0.1000 500.0 506.8
101.5 88.23
80.00
101.5
For inspection purposes only.
Consent of copyright owner required for any other use.
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FOS Moment Moment
x [ml y bl [ml [kNl [kN ml [kN m]
487.9 9107. 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (487.9,9107.) Radius O.&II
Iterations: 5 Horiz acceleration [Fg]: 0.0
Net vertical force [kNI: 0.0 Slip weight (kN] 20500.
Net horiz force [kN]: -45.78&6 Disturbing moment [kN m]: 536.8
Restoring moment [kN ml: 1537.
Factor of Safety: 2.863
Slip surface coordinates Pore Interslice forces
Pressure UN
Point x [m] Y [ml u [kPa] T E Elu)
1 -1.500 101.5 0.3658 0.0 0.0 0.0
2 -0.1000 100.1 14.00 0.0 10.94 9.800
3 0.0 100.0 15.00 0.0 12.53 11.25
15.91 X 7.932
: 0.1000 10.10 99.65 100.0 15.03
12.48 11.30 12.65
6 20.10 99.30 16.78 0.0 3.720 14.08
7 30.09 98.95 17.65 0.0 -0.1571 15.58
8 40.09 98.60 18.53 0.0 -3.699 17.16
arogram SLOPE Version 17.9 Copyright CD 1997-2003 Oasys LW Page
Slope Stability Analysis Printed 05-Dee-2003 Time 17:36
EPA Export 04-01-2007:02:18:43
82.5;
88.2;
88.23

Peat stability - 500m slip length - 40deg wedge
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
:::
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
50.09 98.25 19.40
60.09 97.90 20.27
70.09 97.55 21.14
80.08 97.20 22.02
90.08 96.85 22.89
100.1 96.51 23.76
110.1 96.16 24.64
120.1 95.81 25.51
130.1 95.46 26.38
140.1 95.11 27.25
150.1 94.76 28.13
160.1 94.41 29.00
170.1 94.06 29.87
180.1 93.71 30.75
190.1 93.36 31.62
200.1 93.01 32.49
210.1 92.66 33.36
220.1 92.32 34.24
230.1 91.97 35.11
240.1 91.62 35.98
250.1 91.27 36.86
260.0 90.92 37.73
270.0 90.57 38.60
280.0 90.22 39.47
290.0 89.87 40.35
300.0 89.52 41.22
310.0 89.17 42.09
320.0 88.82 42.97
330.0 88.48 43.84
340.0 88.13 44.71
350.0 87.78 45.58
360.0 87.43 46.46
370.0 87.08 47.33
380.0 86.73 48.20
390.0 86.38 49.07
400.0 86.03 49.95
410.0 85.68 50.82
420.0 85.33 51.69
430.0 84.98 52.57
440.0 84.63 53.44
450.0 84.29 54.31
460.0 83.94 55.18
470.0 83.59 56.06
480.0 83.24 56.93
490.0 82.89 57.30
500.0 82.54 58.68
506.8 88.23 0.0
Slice Strength Parameters Pare
NO. Pressure
c' [kPa] Tan phi [@aI
1 0.1000 0.0 7.183
2 0.1000 0.0 14.50
3 3.000 0.0 15.02
4 3.000 0.0 15.47
5 3.000 0.0 16.34
6 3.000 0.0 17.22
7 3.000 0.0 18.09
8 3.000 0.0 18.96
9 3.000 0.0 19.84
10 3.000 0.0 20.71
11 3.000 0.0 21.58
12 3.000 0.0 22.45
13 3.000 0.0 23.33
14 3.000 0.0 24.20
15 3.000 0.0 25.07
16 3.000 0.0 25.95
17 3.000 0.0 26.82
18 3.000 0.0 27.69
19 3.000 0.0 28.56
20 3.000 0.0 29.44
21 3.000 0.0 30.31
22 3.000 0.0 31.18
23 3.000 0.0 32.05
24 3.000 0.0 32.93
0.0 -6.905
0.0 -9.777
0.0 -12.31
0.0 -14.51
0.0 -16.38
0.0 -17.91
0.0 -19.11
0.0 -19.97
0.0 -20.49
0.0 -20.68
0.0 -20.53
0.0
0.0
0.0
-20.05
-19.24
-18.09
0.0 -16.60
0.0 -14.78
0.0 -12.62
0.0 -10.13
0.0 -7.303
0.0 -4.141
0.0 -0.6431
0.0 3.190
0.0
7.351
0.0 11.86
0.0 16.70
0.0 21.87
0.0 27.38
0.0 33.22
0.0 39.40
0.0 45.92
0.0 52.77
0.0 59.95
0.0 67.47
0.0 15.33
0.0 83.52
0.0 92.04
0.0 100.9
0.0 110.1
0.0 119.6
0.0 129.5
0.0 139.7
0.0 150.2
0.0 161.1
0.0 172.3
0.0 183.9
0.0 195.7
0.0 -45.78E-6
I Job No. Sheet No. Rev.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Forces on base [kNJ
Weight
[kNl Norma 1 Shear
10.78 15.54 0.1980
1.595 2.251 0.01414
1.652 1.649 0.3002
170.2 169.9 30.01
179.7 179.5 30.01
189.3 189.1 30.01
198.9 198.7 30.01
208.5 208.3 30.01
218.1 217.9 30.01
227.7 227.5 30.01
231.3
246.9
256.5
266.1
275.7
285.3
294.9
304.5
314.1
323.7
333.3
342.9
352.5
362.1
237.1 30.01
246.7 30.01
256.3 30.01
265.9 30.01
275.5 30.01
285.1 30.01
234.8 30.01
304.4 30.01
314.0 30.01
323.6 30.01
333.2 30.01
342.8 30.01
352.4 30.01
362.0 30.01
18.82
20.55
22.35
24.24
26.20
28.23
30.35
32.53
34.80
37.14
39.56
42.05
44.62
47.26
49.99
52.78
55.66
58.61
61.63
64.74
67.92
71.17
74.50
77.91
81.39
84.95
88.59
92.30
96.09
99.95
103.9
107.9
112.0
116.2
120.4
124.7
129.1
133.6
138.2
142.8
147.5
152.3
157.1
162.1
167.1
172.1
0.0
Date Data Checked
OS-Dee-2003 Corrib DA4.sld c-e
rogram SLOPE Version 't7.9 Copyright 0 1997-2003 Oasys WI Page :
lope Stability Analysis Printed 06-Dee-2003 Time 17:36
EPA Export 04-01-2007:02:18:43

Corrib
Peat stability - 500m srip length - 40deg wedge
Slice
t-IO*
25
26
27
28
:;
31
2
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
1
2
3
l
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
;;
31
32
33
34
35
36
37
38
39
40
41
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 p.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
Surface Load [kPa]
Vest
0.0
0.0
0.0
0.0
0.0
0.0
0.0
D-O
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
X:i
0.0
0.0
0.0
0.0
8::
0.0
0.0
i::
0.0
0.0
i-i
0:o
0.0
0.0
0.0
0.0
0.0
0.0
HOXiZ
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
E
0.0
i::
0.0
i-x
0:o
0.0
0.0
0.D
0.0
0.0
::i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Job No.
114662
33.80 371.7
371.6 30.01
34.67 381.3 381.2
30.01
35.55 390.9 390.8
30.03.
36.42 400.5 400.4
30.01
37.29 410.1 410.0
30.01
38.16 419.7 419.6
30.01
39.04 429.3 429.2
30.01
39.91 438.9 438.8
30.01
40.78 448.5 448.4
30.01
41.66 458.1 458.0
30.01
42.53 467.7 467.6
30.01
43.40 477.3 477.2
30.01
44.27 486.9. 486.9
30.01
45.15 496.5 496.5
30.01
46.02 506.1 506.1
30.01
46.89 515.7 515.7
30.01
47.77 525.3 525.3
30.01
48.64 534.9 534.9
30.01
49.51 544.5 544.5
30.01
50.38 554.1 554.1
30.01
51.26 563.7 563.7
30.01
52.13 573.3 513.3
30.01
53.00 582.9 582.9
30.01
53.88 592.5 592.5
30.01
54.75 602.1 602.1
30.01
55.62 611.7 611.7
30.01
56.49 621.3 621.3
30.01
57.37 630.9 630.9
30.01
58.24 640.5 640.5
30.01
29.34 218.8 293.4
26.55
Water Pressure on
ground surface [kPa]
Vert
Horiz
0.1829
0.0
0.0
0.0
0.0
E
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
2;
0.0
0.0
::i
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
2::
D.0
0.0
D.0
0.0
0.0
0.0
0.0
5rg. Ref.
For inspection purposes only.
Consent of copyright owner required for any other use.
Rev.
I 1
Made by Date Data Checked
CH OS-Dee2003 Corrlb 5A4.sfd @h
‘rogrsm SLOPE Version 17.9 Copyrlght CD 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05-Dee-2003 Time 17:36
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
,
Corrib Onshore Terminal
Slope geometric data
Slope length L = 500 m
Passive wedge angle 8 = 45 degs
xl 0 1
yl 101.5
x2 1 0
v2 y2 I 100
x3 500 ISet Set length
y3 82.53962
x5 724.0679 ground surface x at y=y3 I
1 Ground profile 1 Peat profile ! Slip surface
-;0
Y
102.0237 -;0
Y
100
I X
-1.5
Y
101.5
0 10~s 0 100 0 100
724.0679 82.53962 500 82.53962 f 500 82.53962
f 505.7177 88.25732
8 45 Set angle
X4 505.7177 Intersection of slip surface with
y4 88.25732 ground surface
105 -
g 95
5
ij 90
100 -Ground surface
a5
80 ’
-100 0
J.\1OOCQO~l14662~lcsWeets\SLOPE dam xls 1 Slip surlace wlh acrm wedge
For inspection purposes only.
Consent of copyright owner required for any other use.
-Slip Surface
100 200 300 400 500 600 700 800
Distance (n-r)
Job No. 114662 Sheet I/IFIQ 1
A
Made by: CH Chkd:...m
Date: 30/l 112003
Rev: -,- 0
Pnnled Q5/12QC!03 16 26
EPA Export 04-01-2007:02:18:43

0
0
3asys
lorrib
‘eat stability - 50Qm slip length - 45deg wedge
104.0 i’
102.0 j
100.0 i
98.00 :
96.00 ’
94.00
92.00
90.00
88.00
86.00
84.00
82.00
-yocj.o .’
Scale x 1:6374 ~I:141
\
\
~ .i
\
\
\
‘\
.i
Made by Date Data
CH OS-Dee-2003 Corrib DBS.sld
\
i . . ‘\ . .
..
\
\
. . \
\
\
‘.
‘\
\
\
\ \ i
For inspection purposes only.
Consent of copyright owner required for any other use.
&if6.8,8B.23)
lob.0 '30b.o 500.0 706.0
\ \ \
'%oo.o.ao.55:
vogram SLOPE Version 17.9 Copyright 8 7997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 20108
EPA Export 04-01-2007:02:18:43

Peat stability - SOOm slip length - 45deg wedge
General Parameters
Direction of slip: DOWNHILL
Minimum slip weight [kN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu (Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
No. Description Unit Weight
Above GWL Below GWL
[kN/m31 [kN/m3]
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material. x -->
-20.00 -1.500 -0.1000 0.0
: : 102.0 101.5 101.; 101.5 100.0
GWLl
Slip
102.0
101.5
101.5 101.5
100.0
Stratum Material x -->
800.0
1 1 80.55
2 2 80.00
GWLl 80.55
Slip
Groundwater
Pore pressure distribution type: HYDROSTATIC
Masimum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/mJ
Number of phreatic surfaces: 1
Drg. Ref.
Made by
Cl-l
Sheet No. Rev.
Date Data Checked
05Dee-2003 Corrib DSS.sld cw
Shear Strength
Parameters
Phi or c or CO'
Phi0
[“I [kpal
0.0 3.000
0.0 3.000
0.1000 500.0 505.7
101.5 88.26
80.00
101.5
For inspection purposes only.
Consent of copyright owner required for any other use.
RESULTS OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FOS Moment Moment
s [m] Y Iml [ml [kNl [kN ml [kN ml
486.4 9069. 0.0
WORST CASE : WATER CASE 1 OF 1
Centre at (486.4,9069.) Radius O.Om
Iterations: 5 Horiz acceleration [Sg]: 0.0
Net vertical force [kN): 0.0 Slip weight [kN] 20470.
Net horiz force [kN]: -15.26E-6 Disturbing moment [kN m]: 535.9
Restoring moment [kN m]: 1545.
Factor of Safety: 2.883
SLip surface coordinates Pore Interslice forces
Pressure [kNNl
Point s [ml Y [ml u [kPa] T E E(u)
1 -1.500 101.5 0.3658 0.0 0.0 0.0
2 -0.1000 100.1 14.00 0.0 8.123 9.300
3 0.0 100.0 15.00 0.0 9.509 11.25
: 0.1000 10.10 99.65 100.0 15.03 15.91 0.0 4.988 9.463 11.30 12.65
6 20.10 99.30 16.73 0.0 0.8494 14.08
7 30.09 98.95 17.65 0.0 -2.554 15.58
8 40.09 98.60 18.53 0.0 -6.423 17.16
lrogram SLOPE Version 17.9 Copyright da 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 20~10
EPA Export 04-01-2007:02:18:43
82.54
88.26
88.26

3asys
:orrib
‘eat stability - 500m slip length - 45deg wedge
9
I.0
l.1'
12
13
14
:"6
I.7
18
19
20
21
22
23
24
25
26
I;:
29
30
31
::
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
50.09 98.25 19.40
60.09 97.90 20.27
70.09 97.55 21.15
80.08 97.20 22.02
90.08 96.85 22.89
100.1 96.51 23.77
110.1 96.16 24.64
120.1 95.81 25.53.
130.1 95.46 26.39
140.1 95.11 27.26
150.1 94.76 28.13
160.1 94.41 29.01
170.1 94.06 29.88
180.1 93.71 30.75
190.1 93.36 31.63
200.1 93.01 32.50
210.1 92.66 33.37
220.1 92.32 34.25
230.1 91.97 35.12
240.1 91.62 35.99
250.1 91.27 36.87
260.0 90.92 37.74
270.0 90.57 38.61
280.0 90.22 39.49
290.0 89.87 40.36
300.0 89.52 41.23
310.0 89.17 42.11
320.0 88.82 42.98
330.0 88.48 43.85
340.0 88.13 44.73
350.0 87.78 45.60
360.0 87.43 46.47
370.0 87.08 47.35
380.0 86.73 48.22
390.0 86.38 49.09
400.0 86.03 49.97
410.0 85.68 50.84
420.0 85.33 51.71
430.0 84.98 52.59
440.0 84.63 53.46
450.0 84.29 54.33
460.0 83.94 55.20
470.0 83.59 56.08
480.0 83.24 56.95
490.0 82.89 57.82
500.0 82.54 58.70
505.7 88.26 0.0
Slice Strength Parameters
SO.
c' [Ha] Tan phi
1 3.000 0.0
2 3.000 0.0
3 3.000 0.0
4 3.000 0.0
; 3.000 0.0
7 3.000 0.0
8 3.000 0.0
9 3.000 0.0
10 3.000 0.0
11 12 3.000 8-i
I.3 3.000 0:o
14 3.000 0.0
15 3.000 0.0
16 3.000 0.0
17 3.000 0.0
18 3.000 0.0
19 3.000
20 3.000 x::
21 3.000 0.0
22
23
3.000
3.000
0.0
0.0
23 3.000 0.0
Pore
Pressure
[kpal
7.183
14.50
15.02
15.47
16.34
17.22
18.09
18.96
19.84
20.71
21.58
22.46
23.33
24.20
25.08
25.95
26.82
27.70
28.57
29.44
30.32
31.19
32.06
32.94
0.0 -9.556
0.0 -12.35
0.0 -14.82
0.0 -16.94
0.0 -18.73
0.0 -20.19
0.0 -21.31
0.0
0.0
-22.10
-22.55
-22.66
El -22.44
0.0 -21.88
0.0
0.0
-20.99
-19.77
0.0
0.0
0.0
0.0
-18.20
-16.31
-14.07
-11.50
0.0 -8.601
0.0 -5.362
0.0 -1.787
0.0 2.122
0.0 6.367
10.95
2 15.86
21.11
E 26.70
0:o 32.62
38.88
E 45.47
0.0 52.40
0.0 59.67
0.0 67.26
0.0 75.20
0.0
0.0
83.47
92.07
0.0 101.0
0.0 110.3
0.0
0.0
119.9
129.8
0.0
0.0
140.1
150.7
0.0 161.7
0.0 173.0
0.0
0.0
184.6
196.6
0.0 -15.263-6
Job No. Sheet No.
Drg. Ref.
Made by
Cl-i
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Forces on base [kN]
Weight
I W Normal Shear
10.78 13.55 5.940
1.595 2.109 0.4243
1.652 1.649 0.3002
170.2 169.9 30.01
179.8 179.5 30.01
189.4 189.1 30.01
199.0 198.7 30.01
208.6 208.3 30.01
218.2 217.9 30.01
227.8 227.6 30.01
231.4 237.2 30.01
247.0 246.8 30.01
256.6 256.4 30.01
266.2 266.0 30.01
275.8 275.6 30.01
285.4 285.2 30.01
295.0 294.8 30.01
304.6 304.4 30.01
314.2 314.0 30.01
323.8 323.6 30.01
333.4 333.3 30.01
343.0 342.9 30.01
352.6 352.5 30.01
362.2 362.3 30.01
Date Data
OCDec-2003 Corrib DB5.sld
18.82
20.55
22.36
24.25
26.21
28.24
30.36
32.55
34.81
37.16
39.58
42.07
44.64
47.29
50.01
52.81
55.69
58.64
61.67
64.78
67.96
71.21
74.55
77.96
81.44
85.01
88.65
92.36
96.15
100.0
104.0
108.0
112.1
116.3
120.5
124.8
129.2
133.7
138.3
142.9
147.6
152.4
157.2
162.2
167.2
172.3
0.0
rogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
Stope Stability Analysis Printed OS-Dee-2003 Time 2O:lO
EPA Export 04-01-2007:02:18:43

Oasys
Corrib Drg. Ref.
Peat stability - 500m slip length - 45deg wedge
Made by Date Data Checkec
CH 05Dee-2003 Corrib DSS.sld c@
Slice
no.
25
26
27
28
29
30
31
32
33
34
35
36
37
;:
40
41
42
43
44
45
46
41
48
49
50
51
52
53
54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
3.000' 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
3.000 0.0
Surface Load [kPa]
Vert
Horiz
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
i::
0.0
0.0
0.0 0.0
0.0
;::
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
33.81 371.8 371.
34.68
35.56
36.43
37.30
38.18
39.05
39.92
40.80
41.67
42.54
43.42
44.29
45.16
46.04
46.91
47.78
48.66
49.53
50.40
51.28
52.15
53.02
53.89
54.77
55.64
56.51
57.39
58.26
29.35
381.4
391.0
400.6
410.3
419.9
429.5
439.1
448.7
458.3
467.9
477.5
487.1
496.7
506.3
515.9
525.5
535.1
544.7
554.3
563.9
573.5
583.1
592.7
602.3
611.9
621.5
631.1
640.7
184.7
Water Pressure on
ground surface EkPa]
Vert Horiz
0.1829 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
i-i
0:o
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
381.3
390.9
400.5
410.1
419.7
429.4
439.0
448.6
458.2
467.8
477.4
487.0
496.6
506.2
515.8
525.5
535.1
544.7
554.3
563.9
573.5
583.1
592.7
602.3
611.9
621.6
631.2
640.8
269.6
Job No. Sheet No. Rev.
114662
rogram SLOPE Version 17.9 Copyright 0 1997-2003 Oasys Ltd Page 3
Slope Stability Analysis Printed 06-Dee2003 Time 2O:lO
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.03.
30.01
30.01
24.27
For inspection purposes only.
Consent of copyright owner required for any other use.
EPA Export 04-01-2007:02:18:43

‘eat stability - 500m slip length - 45deg wedge
kenera Parameters
birection of slip: DOWNHILL
linimum slip weight [kNl : 10
'ype of analysis : STATIC
malysis Options
'actor of safety on : SHEAR STRENGTH
linimum number of slices: 50
lethod: Janbu (Horizontal interslice forces)
laximum number of iterations: 100
#aterial properties
No. Description Unit Weight
Above GWL Below GWL
[ kN/m3 J [kN/m31
1 peat 1 11.00 12.00 Undrained
2 peat 2 11.00 11.00 Undrained
:ooxdinates of top
3zrab.m Material
:
GWLl
Slip
Stratum Material
1 1
2 2
GWLl
Slip
of soil strata
x -->
-20.00 -1.500 -0.1000 0.0
102.0 101.5
101.5
102.0
102.0
101.5
101.5
100.0
101.5
101.;
100.0
x -->
800.0
80.55
80.00
80.55
Sroundwater
Fore pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [ml
Unit weight of water: 10.00 kN/m3
Number of phreatic surfaces: 1
Job No. Sheet No.
1
I 114662
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Date Data
OS-Dee-2003 Con-lb DAS.sld
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I IkPal
0.0 3.000
0.0 O.lO#O
0.1000 500.0 505.7
101.5 88.26
80.00 .
101.5
82.54
REmJLTs OF ANALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
x [ml Y [ml [ml [kNl IkN ml [kN n-11
486.4 9069. 0.0
WORST CASE : WATER CASE 1 OF I
Centre at (486.4,9069.) Radius 0.0~1
Iterations: 5 Horiz acceleration ["sg]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 20470.
Net horiz force [kN]: 0.0 Disturbing moment [kN m]: 535.9
Restoring moment [kN m]: 1536.
Factor of Safety: 2.867
Slip surface coordinates Pore Interslice forces
Pressure [W
Point x [ml Y [ml u [kPal T E E(u)
1 -1.500 101.5 0.3658 0.0 0.0 0.0
2 -0.1000 100.1 14.00 0.0 10.94 9.800
3 0.0 100.0 15 .oo 0.0 12.53 11.25
4 0.1000 100.0 15.03 0.0 12.48 11.30
5 10.10 99.65 15.91 0.0 7.946 12.65
6 20.10 99.30 16.78 3.748 14.08
7 30.09 98.95 17.65 X:! -0.1147 15.58
8 40.09 98.60 15.53 0.0 -3.642 17.16
‘rogram SLOPE Version 17.9 Copyright 8 t997-2003 Oasys ttd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 2O:lO
EPA Export 04-01-2007:02:18:43
88.26
88.26
Rev.
1

Oasys
Corrib
Peat stability - 500m slip length - 45deg wedge
9 50.09 98.25 19.40 0.0 -6.834
10 60.09 97.90 20.27 0.0 -9.691
11 70.09 97.55 21.15 0.0 -12.21
12 80.08 97.20 22.02 0.0 -14.40
13 90.08 96.85 22.89 0.0 -16.25
14 100.1 96.51 23.77 0.0 -17.76
15 110.1 96.16 24.64 0.0 -18.94
16 120.1 95.81 25.51 0.0 -19.79
17 130.1 95.46 26.39 0.0 -20.30
18 140.1 95.11 27.26 0.0 -20.47
19 150.1 94.76 28.13 0.0 -20.31
20 160.1 94.41 29.01 0.0 -19.81
21 170.1 94.06 29.88 0.0 -18.98
22 180.1 93.71 30.75 0.0 -17.81
23 190.1 93.36 31.63 0.0 -16.31
24 200.1 93.01 32.50 0.0 -14.47
25 210.1 92.66 33.37 0.0 -12.30
26 220.1 92.32 34.25 0.0 -9.786
27 230.1 91.97 35.12 0.0 -6.941
28 240.1 91.62 35.99 0.0 -3.761
29 250.1 91.27 36.87 0.0 -0.2455
30 260.0 90.92 37.74 0.0 3.605
31 270.0 90.57 38.61 0.0 7.791
32 280.0 90.22 39.49 0.0 12.31
33 290.0 89.87 40.36 0.0 17.17
34 300.0 89.52 41.23 0.0 22.36
35 310.0 89.17 42.11 0.0 27.89
36 320.0 88.82 42.98 0.0 33.75
37 330.0 88.48 43.85 0.0 39.95
38 340.0 88.13 44.73 0.0 46.48
39 350.0 87.78 45.60 0.0 53.35
40 360.0 87.43 46.47 0.0 60.56
41 370.0 87.08 47.35 0.0 68.10
42 380.0 86.73 48.22 0.0 75.97
43 390.0 86.38 49.09 0.0 84.18
44 400.0 86.03 49.97 0.0 92.73
45 410.0 85.68 50.84 0.0 101.6
46 420.0 85.33 51.71 0.0 110.8
47 430.0 84.98 52.59 0.0 120.4
48 440.0 84.63 53.46 0.0 130.3
49 450.0 84.29 54.33 0.0 140.5
50 460.0 83.94 55.20 0.0 151.0
51 470.0 83.59 56.08 0.0 161.9
52 480.0 83.24 56.95 0.0 173.2
53 490.0 82.89 57.82 0.0 184.7
54 500.0 82.54 58.70 0.0 196.6
55 505.7 88.26 0.0 0.0 0.0
Slice Strength Parameters Pore
NO.
Pressure
1
c' [kPa]
0.1000
Tan phi
0.0
[kPa]
7.183
2 0.1000 0.0 14.50
3 3.000 0.0 15.02
4 3.000 0.0 15.47
5 3.000 0.0 16.34
6 3.000 0.0 17.22
7 3.000 0.0 18.09
8 3.000 0.0 18.96
9 3.000 0.0 19.84
10 3.000 0.0 20.71
11 3.000 0.0 21.58
12 3.000 0.0 22.46
13 3.000 0.0 23.33
14 3.000
24.20
15
16
3.000
3.000
Ki
0.0
25.08
25.95
17 3.000 0.0 26.82
18
19
20
3.000
3.000
3.000
0.0
0.0
0.0
27.70
28.57
29.44
21
22
3.000
3.000
0.0
0.0
30.32
31.19
23 3.000 0.0 32.06
24 3.000 0.0 32.94
Job No. Sheet No. Rev.
Drg. Ref.
Made by
CH
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Forces on base [kNJ
Weight
IkNl Normal Shear
10.78 15.54 0.1980
1.595 2.251 0.01414
1.652 1.649 0.3002
170.2 169.9 30.01
179.8 179.5 30.01
189.4 189.1 30.01
199.0 198.7 30.01
208.6 208.3 30.01
218.2 217.9 30.01
227.8 227.5 30.01
237.4 237.2 30.01
247.0 246.8 30.01
256.6 256.4 30.01
266.2 266.0 30.01
275.8 275.6 30.01
285.4 285.2 30.01
295.0 294 .a 30.01
304.6 304.4 30.01
314.2 314.0 30.01
323.8 323.6 30.01
333.4 333.3 30.01
343.0 342.9 30.01
35?.6 352.5 30.01
363.2 362.X 30.01
Date Data
05Deo2003 Corrib DAS.sld ““Ek
18.82
20.55
22.36
24.25
26.21
28.24
30.36
32.55
34.01
37.16
39.58
42.07
44.64
47.29
50.01
52.81
55.69
58.64
61.67
64.76
67.96
71.21
74.55
77.96
81.44
85.01
88.65
92.36
96.15
100.0
104.0
108.0
112.1
116.3
120.5
124.8
129.2
133.7
138.3
142.9
147.6
152.4
157.2
162.2
167.2
172.3
0.0
rogram SLOPE Version
Slope Stabllky Analysis
17.9 Copyright (0 1997-2003 Oasys Ltd
Printed 06-Det;2003
Page
Time 20~10
EPA Export 04-01-2007:02:18:43

.
.’
0
0
0
0
3asys
Zorrib
?eat stability - 5OOm slip length - 45deg wedge
slice
10.
25
26
27
28
E 31
32
i: 35
36
zi
39
40
41
42
43
44
45
46
.47
48
49
50
::
53
54
1
:
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
:z
21
22
23
24
Ei
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
3.000
3.000
0.0
0.0
33.03.
34.68
371.8
381.4
371.7
381.3
3.000
3.000
3.000
3.000
3.000
E
0.0
0.0
0.0
35.56
36.43
37.30
38.18
39.05
391.0
400.6
410.3
419.9
429.5
390.9
400.5
410.1
419.7
429.4
3.000 0.0 39.92
439.1 439.0
3.000
40.80
448.7 448.6
3.000 E
41.67
458.3 458.2
3.000 0:o
42.54
467.9 467.8
3.000 0.0 43.42
477.5 477.4
3.000 0.0 44.29
487.1 487.0
3.000 0.0 45.16
496.7 496.6
3.000 0.0 46.04
506.3 506.2
3.000 0.0 46.91
515.9 515.8
3.000 0.0 47.78
525.5 525.5
3.000 0.0 48.66
535.1 535.1
3.000 0.0 49.53
544.7 544.7
3.ODO 0.0 50.40
554.3 554.3
3.000 0.0 51.28
563.9 563.9
3.000 0.0 52.15
573.5 573.5
3.000 53.02
583.1 583.1
3.000 i:: 53.89
592.7 592.7
3.000 0.0 54.71
602.3 602.3
3.000 0.0 55.64
611.9 611.9
3.000 0.0 56.51
621.5 621.5
3.000 0.0 57.39
631.1 631.2
3.000 0.0 58.26
640.7 640.8
3.000 0.0 29.35
184.7 269.6
Surface Load ikPal
Vert Horiz
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0 2:
0.0
0.0 i::
0.0 0.0
0.0 0.0
0.0 0.0
X:i 8::
0.0
i::
0.0
0.0 0.0
0.0
0.0
0.0
0.0 Xi
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
::i
0.0
0.0
0.0
0.0
0.0
0.0
Water Pressure on
ground surface [kPal
Vert Horiz
0.1829 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
E
0:o
0.0
0.0
8:: 0.0
0.0 0.0
0.0 0.0
8:: 0.0
Cl.0
0.0 i::
0.0 0.0
;:i 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
E
0.0
0.0
0.0
0.0
il.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Job No. Sheet No. Rev.
114662 p- 1.b 3
Drg. Ref.
Made by Date Data Checked
Cl-l 05-Dee-2003 Corrib DAS.s!d a-i
rrogram SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 05-Dee-2003 Time 2O:lO
EPA Export 04-01-2007:02:18:43
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
24.27
For inspection purposes only.
Consent of copyright owner required for any other use.

ArupGeotechnics
Corrib Onshore Terminal
Slope geometric data
Slope length L = 500 m
Passive wedge angle 0 = 50 degs
I Ground surface I
xl 0
yl 101.5
x2 0
y2 100
x3 500 Set length
y3 82.53962
X5 724.0679 ground surface x at y=y3 1
105
100
z 95
s
ij 90
85
80
For inspection purposes only.
Consent of copyright owner required for any other use.
- Ground surface
-Slip Surface
100 200 300 400 500 600 700 800
Distance (m)
Job No. 114662 Sheet l/l pt\4
Made by: CH Chkd:..f..!!!
Date: 3011 l/2003
Rev: -,- @
EPA Export 04-01-2007:02:18:43

Oasys
Corrib
Peat stability - SOOm slip length - 50deg wedge
,04.0 i ..- “.......,. “-. “;““” . . ‘I”
102.0
100.0
98.00
g6,0D j”
94.00
92.00 .
90.00
66.00
66.00
64.00
82.00 :
.,oij,o .
Scale x I:6374 y I:141
.
_ _ ,
\
\
\
\
. . . . . . , .
:
: \
:.
,. I.
100.0
\
\
\
‘\
.
.
\ \ \
‘. : \ i \
. ‘.
\
\
’
\
‘\
Job No.
114662
Org. Ref.
Made by
CM
\ \ ‘.
For inspection purposes only.
Consent of copyright owner required for any other use.
$ob.o 50kiO
\
Sheet No. Rev.
Date
Data
05Dee-2003 Conib DAb.sfd @
.i
.
700.0
i \ \ \ \
‘~00.*.80.65
Program StOPE Version
Slope Stability Analysis
17.9 copyngnt (D Tss7-ZUUJ uasys uo
Printed 06-Dee-2003
ra!gs
Time
EPA Export 04-01-2007:02:18:43

Peat stability - 500m slip length - 50deg wedge
General Parameters
Direction of slip: DOWNHILL
Minimum slip weight [kN] : 10
Type of analysis : STATIC
Analysis Options
Factor of safety on : SHEAR STRENGTH
Minimum number of slices: 50
Method: Janbu (Horizontal interslice forces)
Maximum number of iterations: 100
Material properties
No. Description Unit Weight
Above GWL Below GWL
[kN/m3] [kN/m3]
3 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 11.00 Undrained
Coordinates of top of soil strata
Stratum Material x -->
-20.00 -1.500 -0.1000 0.0
1 1 102.0 101.5 101.5
2 2 102.0 1Ol.i 100.0
GWLl 102.0 101.5 101.5
Slip 101.5 100.0
Stratum Material x -->
800.0
1 1 80.55
2 2 80.00
GWLl 80.55
Slip
Groundwater
Poxe pressure distribution type: HYDROSTATIC
Maximum soil suction: 0.0 [m]
Unit weight of water: 10.00 kN/m'
Number of phreatic surfaces: 1
Made by
Cl-l
Date Data Gheoked
05-Dee-2003 CorribDAG.sld c
Shear Strength
Parameters
Phi or c or CO'
Phi0
[“I [kPal
0.0 3.000
0.0 0.1000
0.1000 500.0 504.8
101.5 88.28
80.00
101.5
RESULTS OF hNALYSIS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
x [ml Y [ml [ml ikN1 LkN ml [kN m]
485.3 9043. 0.0
WORST CASE :WATEXCASE 1 OF 1
Centre at [485.3,9043.) Radius O.Om
Iterations: 5 Horiz acceleration {%g]: 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 20430.
Net horit force [kN]: 0.0 Disturbing moment [kN m]: 535.1
Restoring moment [kN m]: 1537.
Factor of Safety: 2.873
Slip surface coordinates
Point s [ml Y b-01
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
4 0.1000 100.0
5 10.10 99.65
6 20.10 99.30
7 30.09 98.95
8 40.09 98.60
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure [W
u [kPa] T E
0.3658 0.0 0.0
14.00 0.0 10.94
15.00 0.0 12.53
15.03 0.0 12.48
15.91 0.0 7.968
16.78 0.0 3.791
17.65 0.0 -0.05107
18.53 0.0 -3.558
Togram SLOPE Version 17.9 Copyright (D 1997-2003 Oasys Ltd Page 1
Slope Stability Analysis Printed 06-Dee-2003 Time 20:72
EPA Export 04-01-2007:02:18:43
E(u)
0.0
9.800
11.25
11.30
12.65
14.08
15.58
17.16
82.54
88.28
88.28

3asys
Zorrib
‘eat stability - 500m slip length - SOdeg wedge
9
10
i:
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
;89
30
;:
33
cl
36
37
38
39
40
41
B2
43
44
45
46
47
48
49
50
51
52
53
54
55
50.09
60.09
98.25
97.90
. 19.40
20.27
70.09 97.55 21.14
80.08 91.20 22.02
90.08
100.1
96.85
96.51
22.89
23.76
110.1 96.16 24.63
120.1 95.81 25.51
130.1 95.46 26.38
140.1
150.1
95.11
94.76
21.25
28.12
160.1 94.41 29.00
170.1 94.06 29.87
180.1 93.71 30.74
190.1 93.36 31.61
200.1 93.01 32.49
210.1 92.66 33.36
220.1 92.32 34.23
230.1 91.97 35.10
240.1 91.62 35.98
250.1 91.27 36.85
260.0 90.92 31.72
270.0 90.57 38.59
280.0 90.22 39.47 *
290.0 89.87 40.34
300.0 89.52 41.21
310.0 89.17 42.08
320.0 88.82 42.96
330.0 88.48 43.83
340.0 88.13 44.70
350.0 87.78 45.57
360.0 87.43 46.45
370.0 87.08 47.32
380.0 86.73 48.19
390.0 86.38 49.06
400.0 86.03 49.94
410.0 85.68 50.81
420.0 85.33 51.68
430.0 84.98 52.55
440.0 84.63 53.43
450.0 84.29 54.30
460.0 83.94 55.17
470.0 83.59 56.04
480.0 83.24 56.92
490.0 82.89 57.79
500.0 82.54 58.66
504.8 88.28 0.0
W.ce Strength Parameters Pore
YO. Pressure
c' [kPa] Tan phi [kPa]
1 0.1000 0.0 7.163
2 0.1000 0.0 14.50
3 3.000 0.0 15.02
4 3.000 0.0 15.47
5 3.000 0.0 16.34
6 3.000 0.0 17.22
1 3.000 18.09
8 3.000 Ki 18.96
9 3.000 0.0 19.83
10 3.000 0.0 20.71
11 3.000 0.0 21.58
12 3.000 0.0 22.45
13 3.000 0.0 23.32
14 3.000 0.0 24.20
15 3.000 0.0 25.07
16 3.000 0.0 25.94
17 3.000 0.0 26.81
18 3.000 0.0 27.69
19 3.000 0.0 28.56
20 3.000 0.0 29.43
21 3.000 0.0 30.30
22 3.000 0.0 31.18
23 3.000 0.0 32.05
24 3.000 0.0 32.92
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
FE
0.0
0.0
::i
0.0
8:::
0.0
0.0
0.0
0.0
0.0
0.0
0.0
X:i
0.0
0.0
0.0
0.0
0.0
E
0.0
0.0
0.0
Job No.
114662
Drg. Ref.
-6.730 18.81
-9.566 20.54
-12.07 22.35
-14.23 24.23
-16.07 26.19
-17.56 28.23
-18.72 30.34
-19.55 32.53
-20.04 34.79
-20.20 37.13
-20.02 39.55
-19.50 42.04
-18.65 44.61
-17.47 47.25
-15.95 49.97
-14.09 52.77
-11.90 55.64
-9.379 58.59
-6.519 61.61
-3.324 64.71
0.2070 67.89
4.072 71.14
8.273 74.47
12.81 77.88
l.7 -68 81.36
22.88 84.92
28.43 88.55
34.30 92.26
40.51 96.05
47.06 99.91
53.94 103.9
61.16 107.9
68.71 112.0
76.59 116.1
84.82 120.4
93.37 124.7
102.3
111.5
129.1
133.6
121.1 138.1
130.9 142.7
141.2 147.4
151.7 152.2
162.7 157.1
173.9 162.0
185.5 167.0
197.4 172.1
0.0 0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Slice Forces on base [kN]
Weight
tkN1 Normal Shear
10.78 15.54 0.1980
1.595 2.251 0.01414
1,652 1.649 0.3002
170.1 169.9 30.01
179.7 179.5 30.01
189.3 189.1 30.01
198.9 198.7 30.01
208.5 208.3 30.01
218.1 217.9 30.01
221.7 .227.5 30.01
231.3 237.1 30.01
246.9 246.7 30.01
256.5 256.3 30.01
266.1 265.9 30.01
275.1 275.5 30.01
285.3 285.1 30.01
294.9 294.7 30.01
304.5 304.3 30.01
314.1 313.9 30.01
323.7 323.5 30.01
333.3 333.1 30.01
342.9 342.7 30.01
352.5 352.3 30.01
362.1 361.9 30.01
Sheet No.
‘rogram SLOPE Version 17.9 Copyright Q f997-2003 Oasys Ltd Page
Slope Stability Analysis Printed OS-Dee-2003 Time 2O:lZ
EPA Export 04-01-2007:02:18:43
w”f

Oasys
Corrib
Peat stability - 500m sIip length - 5Odeg wedge
Slice
no.
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
41
48
49
50
51
52
53
54
1
2
3
4
5
6
7
B
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
21
28
29
30
31
32
33
34
35
36
37
38
39
40
41
3.000 0.0 33.79 371.7 371.5
3.000 0.0 -34.67 381.3 381.1
3.000 0.0 35.54 390.9 390.7
3.000 0.0 36.41 400.5 400.3
3.000 0.0 37.29 410.1 409.9
3.000 0.0 38.16 419.6 419.5
3.000 0.0 39.03 429.2 429.1
3.000 0.0 39.90 430.8 438.7
3.000 0.0 40.78 448.4 448.3
3.000 0.0 41.65 458.0 457.9
3.000 0.0 42.52 467.6 467.6
3.000 0.0 43.39 477.2 477.2
3.000 0.0 44.27 486.8 486.8
3.000 0.0 45.14 496.4 496.4
3.000 0.0 46.01 506.0 506.0
3.000 0.0 46.88 515.6 515.6
3.000 0.0 47.16 525.2 525.2
3.000 0.0 48.63 534.8 534.8
3.000 0.0 49.50 544.4 544.4
3.000 0.0 50.37 554.0 554.0
3.000 0.0 51.25 563.6 563.6
3.000 0.0 52.12 573.2 573.2
3.000 0.0 52.99 582.8 582.8
3.000
53.86 592.4 592.4
3.000 Z
54.74 602.0 602.0
3.000 0.0 55.61 611.6 611.6
3.000 0.0 56.48 621.2 621.2
3.000 0.0 57.35 630.8 630.8
3.000 0.0 58.23 640.4 640.4
3.000 0.0 29.33 155.5 251.2
Surface Load [kPaJ Water Pressure on
ground surface [kPaj
Vert
Horiz
Vert Horiz
0.0
0.0 0.1829 0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
8-i
0:o
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0 0.0
Job No. Sheet No. Rev.
114662
Drg. Ref.
Made by Date Data
CH 0!5-De-2003 Corrib DAG.sld
'rogrem SLOPE Version 17.9 Copyright Q 1997-2003 Oasys Ltd Page 3
Slope Stability Analysis Printed 06-Dec.2003 Time 20:12
EPA Export 04-01-2007:02:18:43
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
22.49
For inspection purposes only.
Consent of copyright owner required for any other use.

3asys
lorrib
‘eat stability - 500m slip length - 50deg wedge
;eneral Parameters
irection of slip: DOWNHILL
linimum slip weight IkN) : 10
'ype of analysis : STATIC
malysis Options
'actor of safety on : SHEAR STRENGTH
linimum number of slices: 50
lethod: Janbu (Horizontal interslice forces)
laximum number of iterations: 100
titerial properties
No. Description Unit Weight
Above GWL Below GWL
[kN/m31 IkWm31
1 peat 1 11.00 11.00 Undrained
2 peat 2 11.00 Il.00 Undrained
:oordinates of top of soil strata
jtratum Material x -->
-20.00 -I .500 -0.1000 0.0
1 1 102.0 101.5 101.5
2 2 102.0 101.5 100.0
GWLl 102.0 101.5 101.5
Slip 101.5 100.0
Stratum MatzeriaL x -->
800.0
: 2 1 80.55 80.00
GWLl 80.55
Slip
3roundwater
Pore pressure distribution type: HYDROSTATIC
Yaximum soil suction: 0.0 [m]
Jnit weight of water: 10.00 kNfm3
Number of phreatic surfaces: 1
fob No. Sheet No. Rev.
114662 r I\ 4
Org. Ref.
Made by Date Data Checked
CH 05-Dee-2003 Corrib DBSsld
Shear Strength
Parameters
Phi or c or CO'
Phi0
["I [kPal
0.0 3.000
0.0 3.000
0.1000 500.0 504.8
101.5 88.28
80.00
101.5
REsuLTs OF ANALYSLS
Slip Centre Radius Slip Comment/ Disturbing Restoring
Weight FoS Moment Moment
s [Ill] Y [ml [ml [kNl tkN ml [kN m]
485.3 9043. 0.0
WORST CASE : IK%TER CASE 1 OF 1.
Centre at (485.3,9043.) Radius 0. Om
Iterations: 5 Horiz acceleration 1%~): 0.0
Net vertical force [kN]: 0.0 Slip weight [kN] 20430.
Net horiz force [kN]: 0.0 Disturbing moment [kN m]: 535.1
Restoring moment [kN ml: 1546.
Factor of Safety: 2.869
Slip surface coordinates
Point s [ml y [ml
1 -1.500 101.5
2 -0.1000 100.1
3 0.0 100.0
4 0.1000 100.0
5 10.10 99.65
6 20.10 99.30
7 30.09 98.95
8 40.09 98.60
For inspection purposes only.
Consent of copyright owner required for any other use.
Pore Interslice forces
Pressure tW
u [kPa] T E
0.3658 0.0 0.0
14.00 0.0 8.129
15.00 0.0 9.516
15.03 0.0 9.470
15.91 0.0 5.016
16.78 0.0 0.8981
17.65 0.0 -2.885
18.53 0.0 -6.333
E(u) 0.0
9.800
11.25
11.30
12.65
14.08
15.58
17.i6
‘rogram SLOPE Veraton 17.9 Copyright (0 1997-2003 Oasys Ltd Page
Xopa Stability Analysis Printed OS-Dee-2003 Time 20:13
EPA Export 04-01-2007:02:18:43
82.54
88.28
88.28

Feat stability - 500m slip length - SOdeg wedge
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
50.09
60.09
98.25
97.90
19.40
20.27
70.09
80.08
97.55
97.20
21.14
22.02
90.08
100.1
96.85
96.51
22.89
23.76
110.1 96.16 24.63
120.1 95.81 25.51
130.1 95.46 26.38
140.1 95.11 27.25
150.1 94.76 28.12
160.1 94.41 29.00
170.1
180.1
94.06
93.71
29.87
30.74
190.1 93.36 31.61
200.1 93.01 32.49
210.1 92.66 33.36
220.1 92.32 34.23
230.1
240.1
250.1
260.0
91.97
91.62
91.27
90.92
35.10
35.98
36.85
37.72
270.0 90.57 38.59
280.0
290.0
300.0
90.22
89.87
89.52
39.47
40.3Q
41.21
310.0 89.17 42.08
320.0 68.82 42.96
330.0 88.48 43.83
340.0 88.13 44.70
350.0 87.78 45.57
360.0 87.43 46.45
370.0 87.08 47.32
380.0 86.73 48.19
390.0 86.38 49.06
400.0 86.03 49.94
410.0 85.68 50.81
420.0
430.0
85.33
84.98
51.68
52.55
440.0
450.0
84.63
84.29
53.43
54.30
460.0
470.0
83.94
83.59
55.17
56.04
480.0 83.24 56.92
490.0 82.89 57.79
500.0 82.54 58.66
504.8 88.28 0.0
Slice Strength Parameters
NO.
c' [kPa] Tan phi
1 3.000 0.0
2 3.000 0.0
3 3.000 0.0
3.000 0.0
it
6
7
8
9
10
11
3.000
3.000
3.000
3.000
3.000
3.000
3.000
0.0
0.0
0.0
0.0
0.0
0.0
0.0
12
13
3.000
3.000
0.0
0.0
14 3.000 0.0
15 3.000 0.0
16
17
3.000
3.000
0.0
0.0
18
19
3.000
3.000
0.0
0.0
20 3.000 0.0
21 3.000 0.0
22 3.000 0.0
23 3.000 0.0
24 3.000 0.0
Pore
Pressure
[HaI
7.183
14.50
15.02
15.47
16.34
17.22
18.09
18.96
19.83
20.71
21.58
22.45
23.32
24.20
25.07
25.94
26.81
27.69
28.56
29.43
30.30
31.18
32.05
32.92
Slice
Weight
[kNl
10.78
1.595
1.652
170.1
179.7
189.3
198.9
208.5
218.1
0.0 -9.446
0.0 -12.22
0.0 -14.67
0.0 -16.77
0.0 -18.55
0.0 -19.98
0.0 -21.09
0.0 -21.85
0.0 -22.29
0.0 -22.38
0.0 -22.14
0.0 -21.57
0.0
0.0
-20.66
-19.42
0.0 -17.84
0.0 -15.93
0.0 -13.68
0.0 -11.09
0.0 -8.176
0.0 -4.922
0.0
0.0
0.0
-1.332
2.592
6.851
0.0 11.45
0.0 16.37
0.0
0.0
0.0
21.64
27.24
33.17
0.0 39.44
46.05
i:: 52.99
0.0 60.26
0.0 67.87
0.0 75.82
0.0 84.10
0.0 92.72
0.0 101.7
0.0 111.0
0.0 120.6
0.0 130.5
0.0 140.8
0.0 151.4
0.0 162.4
0.0 173.7
0.0 185.3
0.0 197.3
0.0 0.0
For inspection purposes only.
Consent of copyright owner required for any other use.
Forces on base [kN]
1 Cl-l - 06-Dee-2003 Corrib DBG.sld -@bg
N ‘orma 1 Shear
13.55 5.940
2.109 0.4243
1.649 0.3002
169.9 30.01
119.5 30.01
189.1 30.01
198.7 30.01
208.3 30.01
217.9 30.01
227.7 227.5 30.01
237.3 237.1 30.01
246.9 246.7 30.01
256.5 256.3 30.01
266.1 265.9 30.01
275.7 275.5 30.01
285.3 285.1 30.01
294.9 294.7 30.01
304.5 304.3 30.01
314.1 313.9 30.01
323.7 323.5 30.01
333.3 333.1 30.01
342.9 342.7 30.01
352.5 352.3 30.01
362.1 361.0 30.01
18.81
20.54
22.35
24.23
26.19
28.23
30.34
32.53
34.79
37.13
39.55
42.04
44.61
47.25
49.97
52.77
55.64
58.59
61.61
64.71
67.89
71.14
74.47
77.88
81.36
84.92
88.55
92.26
96.05
99.91
103.9
107.9
112.0
116.1
120.4
124.7
129.1
133.6
138.1
142.7
147.4
152.2
157.1
162.0
167.0
172.1
0.0
rogram SLOPE Version
Slope Stability Analysis
17.9 Copyright Q 1997-2003 Oasys Lid
Printed Q&De&2003
Page
Time 20:13
EPA Export 04-01-2007:02:18:43

0
.o
0
n
dasys
I Job No.
114662
Sheet Na.
F\fli
Rev.
hrib
‘eat stability - 500m slip length - 50deg wedge
Org. Ref.
25
26
27
28
29
30
31
32
33
34
35
Slice
10.
E
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
z:
34
35
36
37
38
39
40
41
3.000
3.000
0.0
0.0
33.79
34.67
371.7
381.3
3.000 0.0 35.54 390.9
3.000 0.0 36.41 400.5
3.000 0.0 37.29 410.1
3.000
38.16 419.6
3.000 :-ii 39.03 429.2
3.000 0:o 39.90 436.8
3.000 0.0 40.78 448.4
3.000 0.0 41.65 458.0
3.000 0.0 42.52 467.6
3.000 0.0 43.39 477.2
3.000 0.0 44.27 486.8
3.000 0.0 45.14 496.4
3.000
3.000
0.0
0.0
46.01
46.88
506.0
515.6
3.000 0.0 47.76 525.2
3.000
3.000
3.000
0.0
Kl
48.63
49.50
so.37
534.8
544.4
554.0
3.000
3.000 i::
51.25
52.12
563.6
573.2
3.000 0.0 52.99 582.8
3.000 0.0 53.86 592.4
3.000 0.0 54.74 602.0
3.000 0.0 55.61 611.6
3.000 0.0 56.48 621.2
3.000 0.0 57.35 630.8
3.000 0.0 58.23 640.4
3.000 0.0 29.33 155.5
Surface Load [kPa]
Vert Horiz
0.0 0.0
0.0 0.0
0.0 0.0
0.0
X:i
0.0
0.0 0.0
0.0
i:8
0.0
0.0
“0::
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0 E
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0
E
0.0
0.0
0.0
::i
0.0 0.0
0.0 0.0
371.5
381.1
390.7
400.3
409.9
419.5
429.1
430.7
448.3
457.9
467.6
477.2
486.8
496.4
506.0
515.6
525.2
534.8
544.4
554.0
563.6
573.2
582.8
592.4
602.0
611.6
621.2
630.8
640.4
251.1
Water Pressure on
ground srrrface fkPa1 .
Vert Horiz
0.1829 0.0 i::
0.0 Xi
0.0 0.0
0.0 0.0
0.0 8::
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
X:i
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0 0.0
0.0 i-i
0.0
0.0
0:o
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 X:i
0.0 0.0
0.0 0.0
::i 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
0.0 0.0
Made by Date Data Checked
CH OCDet2003 Conib DSEi.sld
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
30.01
22.49
For inspection purposes only.
Consent of copyright owner required for any other use.
‘rogram SLOPE Version 17.9 Copyfight 0 1997-2003 Oasys Ltd Page
Slope Stability Analysis Printed 06-Dee-2003 Time 20:13
EPA Export 04-01-2007:02:18:43

_,
.,
_ I,:
il.,,.
”
,.
J. ./.:
:;.
_. : ‘.
! ., .:-..‘
,L “iZ../
‘j” -i-
.; :a ., ‘:,“ ,I
.#~/9,/C< 0
.‘!: (, ,.,“:
. .
For inspection purposes only.
Consent of copyright owner required for any other use.
Arup Consulting Engineers
APPENDIX G
Stability Calculations
for Existing Slopes
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
Corrfb Onshore Terminal
Stability of peat
Section l-1
Thickness of peal at top of slope
Slope angle of top of peat (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peal
Active pressure force (horiztntal component)
Peat thickness at bottom of slope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of active wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Actual length of passive wedge
Length of passive wedge sIip surface
Weight of passive wedge
Total weight
Disturbing force component
Resisting force
FOS
Horizontal restraining force from passive wedge 139.1
Depth of sheet pile 3.20
Note: s, based on average of strength for central and western areas
Optimise 0 Minimum strength
for min FOS for FOS=l
h 2.75 2.75 2.75
a 1.5 1.5 1.5
B 1.63 1.63 1.63
L 950 950 950
Y 11 11 11
c, 2.5 %.Q9 1.24
PA 41.6 41.6 41.6
H 4.91 4.91 4.91
0 27.8 27.8 27.8
Ll 950.4 950.4 950.4
WS 0 0 0
w, 39999.9 39999.9 39999.9
w; + w, 39999.9 39999.9 39999.9
2.015 0.882 1.000
L’ 187.33 187.33
LH 8.85 8.85
L 10.01 10.01
w2 238.80 238.80
40238.71 40238.71
Maximum slope
for FOS=l
2.75 2.75
3.43 3.23
3.58 3.36
950 950
11 11
2.50 2.50
41.6 41.6
4.91 4.91
27.8 27.8
951.8 951.6
0 0
39999.9 39999.9
39999.9 39999.9
0.943 I.000
81.78
8.34
9.43
225.07
40224.98
1035.09 1035.09 2320.50
2364.33 1035.09 2320.50
2.2842 I.00 I.00
139.1
3.20
For inspection purposes only.
Consent of copyright owner required for any other use.
Job No. 114662 Sheet Ill Gr
Made by: CH Chkd:.&
Date: 14/l l/2003
Rev: -,-
147.3
3.29
EPA Export 04-01-2007:02:18:43
0
0

0
0
ArupGeotechnics Job No. 114662 Sheet l/I GS
Corrib Onshore Terminal
Stability of peat
Section 2-2
Thickness of peat at top of slope
Slope angle of top of peat (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peal
Active pressure force (horizintai component)
Peat thickness at bottom of slope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of active wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Aclual length of passive wedge
Length of passive wedge slip surface
Weight of passive wedge
Total weight
Optimise 0
for min FOS
h 2.5
cc 1.56
I-J 1.82
L 620
‘I 11
4 3
PA 34.4
i-l 6.31
0 25.1
Ll 620.3
WS 0
w, 26644.0
W, * W, 26644.0
2.114
II; 'It;'3
LZ 11.85
w2 313.71
26957.71
Disturbing force component 720.30 720.30 1827.0-l
Resisting force 1867.91 720.30 1827.01
FOS 2.5932 1.00 1.00
Horizontal restraining force from passive wedge 162.9
Depth of sheet pile 3.46
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by: CH Chkd:..c.H
Date: 14M112003
Rev: -,-
Minimum strength Maximum slope
for FOS=l for FOS=l
2.5 2.5 2.5 2.5
1.56 1.56 4.06 3.69
1.82 1.82 4.32 3.95
620 620 620 620
11 11 11 11
1.16 1.42 3.00 3.00
34.4 34.4 34.4 34.4
5.31 5.3% 5.37 5.31
25.1 25.f 25.1 25.1
620.3 620.3 621.8 821.5
0 0 0 0
26644.0 26644.0 26644.0 28644.0
26644.0 26644.0 26644.0 28644.0
0.815 1.000 0.917 1.000
195.11 74.93
10.73 9.86
11.85 10.89
313.71 288.27
26957.71 26932.27
162.9 173.6
3.46 3.57
EPA Export 04-01-2007:02:18:43

ArupGeotechnics
Corrib Onshore Terminal
Stability of peal
Section 3-3 Optimise 0
Thickness of peat at top of slope
Slope angle of top of peat (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
shear strength of peat
Undrained
Aclive pressure farce (horizlntal component)
Peal thickness at bottom of slope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of aclive wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Actual length of pas&e wedge
Length of passive wedge slip surface
Weight of passive wedge
Total weight
for min FOS
h 3.9
cc 1.45
P I .75
L 590
Y II
c, 3
PA 19.9
H 4.99
0 2287
L, 590.3
WS 0
WI 22355.7
b’.‘, + w, 22355.7
2.522
i 197.11
II.25
LH
L2 12.20
w 306.85
22664.50
Disturbing force component 564.17
Resisting force 1783.99
FOS 3.4622
Horizontal restraining force from passive wedge 142.5
Deplh of sheet pile 3.24
Minimum strength
for FOS=l
1.9 I.9
I.45 1.45
I.75 I.75
590 590
II 11
0.95 1.19
19.9 19.9
4.99 4.99
22.7 22.7
590.3 590.3
0 0
22355.7 22355.7
22355.7 22355.7
0.797 1 .ooo
197.11
11.25
12.20
308.85
22664.50
564.17
564.17
1.00
For inspection purposes only.
Consent of copyright owner required for any other use.
Job No. I14662 Sheet I/I Gil
Made by: CM Chkd:.c.H
Date: 14/l Ii2003
Rev: -,-
142.5 152.8
3.24 3.35
Maximum slope
for FOS=l
I.9 I.9
4.60 4.22
4.90 4.52
590 590
11 11
3.00 3.00
19.9 19.9
4.99 4.99
22.7 22.7
592.2 591.8
0 0
22355.7 22355.7
22355.7 22355.7
0.924 1.000
61.99
ID.01
10.85
274.66
22630.31
1739.10
1739.10
1.00
EPA Export 04-01-2007:02:18:43
l

0
ArupGeotechnics
Corcib Onshore Terminal
Stability of peat
Section 4-4
Thickness of peat at top of slope
Slope angle of top of peat (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peat
Aclive pressure force (horizintal component)
Peat thickness at bottom of slope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of active wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Actual length of passive wedge
Length of passive wedge slip surface
Weight of passive wedge
Total weight
Optimise 9 Minimum strength
for min FOS for F0.W
h 2
2
2
cl 1.35
1.35 1.35
1.62 1.62
750 750
11 11
0.97 1.20
22.0
5.53
22.4
750.3
0
31079.1
B 1.62 750
Y 11
0” 2.5
PA 22.0
H 5.53
0 22.4
Lt 750.3
WS 0
w, 31079.1
w, + w, 31079.1
2.084
L’ 234.84
hi f2.73
l-2 13.76
w, 307.45
31466.51
22.0
5.53
22.4
750.3
0
31079.1
31079.1
0.806
234.84
12.73
13.76
367.45
31466.51
31079.1
1.000
Job No. 114662 Sheet l/l
Made by: G-l Chkd:...ch
Date: 14/I 112003
Rev: -,-
Maximum slope
for FOS=l
2
3.50
3.77
750
11
2.50
22.0
5.53
22.4
751.6
0
31079.1
31079.<
0.913
90.61
11.72
12.67
356.68
31435.74
Disturbing force component 730.46 730.46 1855.94
Resisting force 1887.60 730.46 1855.94
FOS 2.5841 1.00 1.00
Horizontal restraining force from passive wedge 174.7 174.7 183.3
Depth of sheet pile 3.56 3.58 3.67
.,
For inspection purposes only.
Consent of copyright owner required for any other use.
2
3.16
3.43
750
11
2.50
22.0
5.53
22.4
751.3
0
31079.1
31079.1
1.000
G\t
EPA Export 04-01-2007:02:18:43

ArupGeotechnics Job No. 114662 Sheel l/l c5
Corrib Onshore Terminal
Stability of pea&
Section 5-5
Thickness of peat al top of slope
Slope angle of top of peat (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strenglh of peat
Active pressure force (horktntat component)
Peal ihickness at bottom of slope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight uf active wedge + surcharge
FOS v&h no passive resistance
Max length of passive wedge
Actual length of passive wedge
Length of passive wedge slip surface
Weight of passive wedge
Total weight
Optimise 0 Minimum strength
for min FOS for FOS=l
h 1.5 1.5 1.5
CL 1.26 1.26 1.26
P 1.46 1.46 1.46
L 500 500 500
Y 11 11 11
C” 2.5 9.57 6.69
pA 12.4 12.4 12.4
H 3.25 3.25 3.25
0 25.4 25.4 26.4
Ll 500.2 500.2 500.2
WS 0 0 0
w, 13049.7 13049.7 13049.7
w, f w, $3049.7 13049.7 13049.7
3.627 0.826 1.000
L’ 147.55 147.55
LH 6.54 6.54
l-2 7.24 7.24
w2 116.80 116.80
13166.47 13166.47
Made by: CR Chkd:...cH
Date: 1411 l/2003
Rev: -,-
Maximum slope
for FOS=l
1.5 1.5
5.57 5.29
6.77 5.49
500 500
11 11
2.50 2.50
12.4 12.4
3.25 3.25
25.4 25.4
502.5 502.3
0 0
13049.7 13049.7
13049.7 13049.7
0.954 1.000
33.29
5.68
6.2%
101.37
13151.05
Disturbing force component 295.23 285.23 1205.87
Resisting force 1253.00 296.23 1205.87
FOS 4.3930 1.00 1.00
Horizontal restraining force from passive wedge 60.2 60.2 67.0
Depth of sheet pile 2.10 2.10 2.22
For inspection purposes only.
Consent of copyright owner required for any other use.
EPA Export 04-01-2007:02:18:43
a

ArupGeotechnics
Corrib Onshore Terminal
Stability of peat
Section 4a-4a Optimise 0 Minimum strength
Thickness of peat at top of slope
Slope angle of top of peat (ground surface}
Stope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peat
Active pressure force (horizintal component)
Peat thickness at bottom of slope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of active wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Actual lenglh of passive wedtie
Length of passive wedge slip surface
Welght of passive wedge
Total weight
for min FOS for FOS=l
h 3.5
a 1.63
P 1.45
I. 300
Y II
c, 2.5
PA 67.4
H 1.51
0 47.5
L 300.1
WS 0
Wl 6267.0
w+ws 8267.0
2.714
ti 47.27 1.34
w2
b 1.99
II.15
8278.14
3.5
1.83
1.45
300
11
0.87
67.4
1.51
47.5
300.1
0
8267.0
8267.0
0.948
47.27
1.34
1.99
11.15
8278.14
3.5
1.83
1.45
300
11
0.92
67.4
1.51
47.5
300.1
0
8267.0
8267.0
I.000
Maximum Slope
for FOS=l
3.5 3.5
6.26 5.15
4.88 4.77
300 300
II fl
2.50 2.60
67.4 67.4
1.51 1.51
47.5 47.5
301.1 301 .o
0 0
8267.0 8267.0
8267.0 8267.0
0.980 l.DDD
16.40
1.27
1.89
10.59
0277.57
Disturbing force component 256.62 256.62 664.69
Resisting force 734.22 266.62 604.69
FOS 2.8611 f.00 1.00
Horizontal restraining force from passive wedge 14.3 14.3
Depth of sheet pile 1.03 1.03
For inspection purposes only.
Consent of copyright owner required for any other use.
JDb No. 114662 Sheet l/l Gb
Made by: CH Chkd:...c.g
Date: 1411112003
Rev: -.-
78.0
1.15
EPA Export 04-01-2007:02:18:43

.J
ArupGeotechnics
Corrib Onshore Terminal
Stability of peat
Section 4b-Qb
Thickness of peat at lop of slope
Slope angle of top of peat (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peat
Active pressure force (horizintal component]
Peat thickness at bottom of sfope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of active wedga * surcharge
FOS with no passive resistance
Max length of passive wedge
Actual length of passive wedge
Length of passive wedge slip surface
Weight of passive wedge
Total weigh1
Optimise fl Minimum strength
for min FOS for FOS=l
h 1.7 1.7 I.7
cc 1.3 1.3 I.3
P 1.65 1.65 1.65
L 500 500 500
Y 11 11 11
c, 2.5 0.80 1.05
pA 15.9 15.9 15.9
H 4.75 4.75 4.X
0 21.8 21.8 21.8
Ll 5cio.2 500.2 500.2
ws 0 0 0
w, 17749.5 17749.5 17749.5
w, + w, 17749.5 17749.5 17749.5
2,374 0.756 1 .ooo
L- 209.51 209.51
hi 11.26 II .26
L2 12.13 t2.13
w2 294.49 294.49
18043.99 18043.99
Maximum slope
for FOS=l
1.7 1.7
4.09 3.66
4.44 4.01
500 500
II II
2.50 2.50
15.9 15.9
4.75 4.75
21.8 21.8
501.5 501.2
0 0
17749.5 17749.5
17749.5 17749.5
0.904 1 .ooo
66.43
10.09
10.87
263.93
18013.43
Disturbing force component 403.05 403.05 1238.37
Resisting force 1265.93 403.05 1238.37
FOS 3.1409 1.00 1.00
Horizontal restraining force From passive wedge 128.8
Depth of sheet pile 3.08
For inspection purposes only.
Consent of copyright owner required for any other use.
Jab No. 114662 Sheet Ill cd
Made by: CH Chkd:....%%
Date: 1411112003
Rev: -,-
128.8 136.9
3.08 3.17
EPA Export 04-01-2007:02:18:43
0

For inspection purposes only.
Consent of copyright owner required for any other use.
Arup Consulting Engineers
APPENDIX H
Stability Calculations
for Slopes below Sheet
Pile Walls
EPA Export 04-01-2007:02:18:43

,:
ArupGeotechnics
Corrib Onshore Terminal
Stability of peat
Section’l-1 - belbw platform wilt
Thickness of peat al top of slope
Slope angfe of top of peat (ground surface)
Slope angfe of base of peat
Slope length
Unil weight of peat
Undrained shear strength of paat
Active pressure force (horizlntal component}
Peal thickness at bottom of slope
Slope of base of passive wedge
Length of slip surface
Surcharge toad
Weight of sliding block
Weight of active wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Actual length of passive wedge
Length of passive wedge slip surface
Weight of passive wedge
Total weight
Optimise 0
for mio FOS
. h 3.59
a 1.5
P 1.63
L 470
7 II
c, 2
PA 70.9
H 4.66
9 31.4
Ll 470.2
ws 0
W, 21316.9
w, + w, 21316.9
I.389
.
k 177.62 7.32
L2
a.57
w2 187.45
21504.39
Job No. 114662 Sheet l/l
Made by: CH Chkd:....C@
Dale: 14/t 112063
Rev: -,-
Minimum strength Maximum slope
for FOS=l for FOS=l
3.59 3.59 3.59 3.59
1.5 1.5 2.56 2.21
1.63 1.63 2.69 2.34
476 476 470 470
11 11 11 11
1.17 1.44 2.00 2.00
70.9 70.9 70.9 70.9
4.66 4.66 4.66 4.66
31.4 3.t.4 31.4 31.4
470.2 470.2 470.5 470.4
0 0 0 0
21316.9 21316.9 21316.9 21316.9
21316.9 21316.9 21316.9 21316.9
0.813 I.000 0.878 1.000
177.82 103.99
7.32 7.21
9.57 8.33
197.45 182.13
21504.39 21499.06
Disturbing force component 550.65 550.85 929.68
Resisting force 940.83 550.85 929.68
FOS 1.7090 1.00 1.00
Horizontal restraining force from passive wedge 126.6 126.6 131.5
Depth of sheet pile 3.05 3.05 3.11
For inspection purposes only.
Consent of copyright owner required for any other use.
EPA Export 04-01-2007:02:18:43

-. -,. .
0
ArupGeotechnics
Conib Onshore Terminal
Stability of peat
Section 1-l - below settkment ponds
Thickness of peat at top of slope
Slope angle of lop of peat (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peat
Active pressure force (horizintal componenf)
Peat thickness et bottom of slope
Stopa of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of active wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Actual length of passive wedge
Length of passive wedge slip surface
We$ht of passive wedge
Total weight
Disturbing force component
Resisting force
FOS
Horizontal restraining force from passive wedge
Depth of sheet pile
Optimise 9
for min FOS
h 4.79
a 1.5
B 1.63
L 200
Y 11
C” 2
PA 126.2
H 5.24
e 32.9
Ll 200.1
WS 0
W, 11037.2
W, + W, 11037.2
0.940
L’ 200.25
LH 7.80
L2 9.29
WZ 225.00
11262.16
Minimum strength
for FOS=l
4.79 4.79
1.5 1.5
1.63 I.63
200 200
If 11
1.39 2.20
126.2 126.2
5.24 5.24
32.9 32.9
200.1 200.1
0 0
f1037.2 11037.2
.11037.2 11037.2
0.634 1 .ooo
200.25
7.80
9.29
225.00
11262.16
286.49 286.49 407.96
411.22 286.49 407.96
q.4354 1.00 1.00
161.2
3.44
161.2
3.44
For inspection purposes only.
Consent of copyright owner required for any other use.
Job No. 114662 SheelI i-i 2
Made by: CH Chkd:...!?b
CM?: 14/l l/2003
Rev: -,-
Maximum slope
for FOS=i
4.79 4.79
2.15 1.29
2.28 1 A2
200 200
11 11
2.00 2.00
126.2 q26.2
5.24 5.24
32.9 32.9
zoo.2 200.1
0 0
11037.2 14037.2
11037.2 11037.2
0.708 1.000
139.44
7.67
9.13
221.24
11258.40
165.4
3.49
EPA Export 04-01-2007:02:18:43

ArupGeatechnics
Corrib Onshore Terminal
Stability of peat
Section 2-2 -m below platFom wall
Thickness of peat at top of slope
Slope angle of top of peat {ground surface}
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peat
Active pressure force (horizintal component)
Peat thickness at bottom of stope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of active wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Actual length of passive wedge
Length of passive wedge slip surface
Weight of passive wedge
Total weight
Optimise 8 Minimum strength
for min FOS for FOS=l
h 4.09 4.09 4.09
a 1.56 1.56 1.56
B 1.82 1.82 1.82
L 260 260 260
7 11 11 11
c, 3 1.36 1.99
PA 92.0 92.0 92.0
H 5.27 5.27 5.27
0 30.3 30.3 30.3
L 260.1 260.1 260.1
WS 0 0 0
w, 13384.6 13384.6 13364.6
W, + W, 13364.6 13364.6 13384.6
4 s-to 0.666 1.000
t’ 193.50 193.50
b-4 8.60 8.60
b 9.97 9.97
w, 249.37 249.37
13633.95 13633.95
Maximum slope
for FOS=l
4.09 4.09
3.44 2.70
3.70 2.96
260 260
11 11
3.00 3.00
92.0 92.0
5.27 5.27
30.3 30.3
260.5 260.3
0 0
13384.6 13384.6
13384.6 i 3384.6
0.820 I.000
67.68
8.17
9.46
236.67
13621.25
Disturbing force component 361.22 361.22 776.67
Resisting force 795.40 361.23 776.86
FOS 2.2020 1.00 1.00
Horizontal restraining force from passive wedge 162.6 762.6
Depth of sheet pile 3.46 3.46
For inspection purposes only.
Consent of copyright owner required for any other use.
Job No. 114662 Sheet 1 I1
Made by: CH Chkd:...c..v
Date: 1411 j/2003
Rev: -,-
173.5
3.57
0
\-a
EPA Export 04-01-2007:02:18:43

0
ArupGeotechnics Job No. 114662 Sheet 111 H-lb
Corrib Onshore terminal
Stability of peat
Section 3-3 - betow platform wall
Thickness of peat at top of slope
Slope angle of top of peat (ground surface)
Slope angle of base of peat
Slope length
Unit weight of peat
Undrained shear strength of peat
Active pressure force (horizintal component)
Peat thickness al bottom of slope
Slope of base of passive wedge
Length of slip surface
Surcharge load
Weight of sliding block
Weight of active wedge + surcharge
FOS with no passive resistance
Max length of passive wedge
Actual length of passive wedge
Length of passive wedge slip su&ce
Weight of passive wedge
Total weight
Disturbing force component 394.38
Resisting force 'E063.41
FOS 2.6964
Horizontal restraining force from passive wedge 144.5
Depth of sheet pile 3.26
Optimise e Minimum strength
for min FOS for FOS=l
h 3.16 3.16 3.16
a 1.45 1.45 1.45
P 1.75 1.75 1.75
L 350 350 350
7 11 11 11
c, 3 1.11 1.52
PA 54.9 54.9 54.9
H 4.99 4.99 4.99
e 28.0 28.0 28.0
Ll 350.2 350.2 350.2
WS 0 0 0
WI 15693.8 15693.8 15693.8
w, + w, 15693.8 15693.8 15693.8
1.368 0.730 1 .ooo
L’ 197.24 197.24
LH 8.97 8.97
b 10.15 10.15
w2 246.22 246.22
15940.00 15940.00
For inspection purposes only.
Consent of copyright owner required for any other use.
Made by: CH Chkd:.~..!f
Date: 14/l l/2003
Rev: -,-
394.38 1037.11
394.38 1037.11
1.00 7.00
144.5 155.8
3.26 3.38
Maximum slope
for FOS=l
3.16
3.92
4.22
350
11
3.00
54.9
4.99
28.0
351.0
0
15693.8
15693.8
0.873
72.90
8.32
9.42
226.50
15922.28
3.16
3.35
3.65
350
11
3.00
54.9
4.99
28.0
350.7
0
15693.8
15693.8
1.000
EPA Export 04-01-2007:02:18:43