Final Environmental Impact Report - Whittier Bridge/I-95 ...
Final Environmental Impact Report - Whittier Bridge/I-95 ...
Final Environmental Impact Report - Whittier Bridge/I-95 ...
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<strong>Whittier</strong> <strong>Bridge</strong>/I-<strong>95</strong> Improvement Project FEIR<br />
Chapter 2.0: Response to Comments on the <strong>Environmental</strong> Assessment/Draft <strong>Environmental</strong> <strong>Impact</strong> <strong>Report</strong><br />
Table 2-1:<br />
Stormwater Outfalls (continued)<br />
Description of<br />
Discharge<br />
Baseline<br />
Station<br />
Reference<br />
Nearest Down<br />
Gradient<br />
Resource Area<br />
Comments<br />
Amesbury (cont’d)<br />
20 Existing 12" Outfall ST 35 Right Wetland H Outfall will be abandoned<br />
21 Existing 12" Outfall<br />
ST 38+50<br />
Right<br />
Wetland H Outfall will be abandoned<br />
22 Proposed 12" Outfall ST 37+75 Left<br />
IVW 11 /<br />
Wetland H<br />
Treatment provided in swale and Inf Trench 3C<br />
23 Proposed 15" Outfall ST 40 Left<br />
IVW 11 /<br />
Treatment provided in swale and Inf Trench 3D<br />
Wetland H<br />
24 Existing 12" Outfall ST 43 Left<br />
IVW 11 /<br />
Wetland H<br />
25 Proposed 12" Outfall ST 40 Right Wetland H Treatment provided in deep sump CB<br />
26 Existing 12" Outfall<br />
ST 41+50<br />
Right<br />
Wetland H Treatment provided in deep sump CB<br />
27<br />
28<br />
29<br />
Existing 12" Connection<br />
(SB)<br />
Existing 12" Connection<br />
(NB)<br />
Proposed 18"<br />
Connection - BMP 4<br />
ST 45+75 Left<br />
ST 45+75<br />
Right<br />
ST 45+75<br />
Right<br />
Rt 110 Drainage<br />
30 Existing 12" Outfall ST 55 Right Wetland N<br />
31 Existing 12" Outfall<br />
ST 56+25<br />
Right<br />
Existing drainage pattern to remain, approx 600 feet<br />
of sheet flow.<br />
Portion of existing flow to remain, majority of flow is<br />
diverted to Basin 4.<br />
Rt 110 Drainage Connection is abandoned, flow diverted into Basin 4<br />
Rt 110 Drainage Treatment provided in Basin 4<br />
Wetland N<br />
32 Existing 10" Outfall ST 56 Left Wetland J<br />
Existing outfall to remain, BVW located immediately<br />
adjacent to discharge.<br />
Existing outfall to remain, BVW located immediately<br />
adjacent to discharge.<br />
Existing outfall to remain, BVW located immediately<br />
adjacent to discharge.<br />
33 Proposed 12" Outfall ST 57+50 Left Wetland J Treatment provided in Basin 5<br />
34 Existing 12" Outfall ST 60+50 Left Wetland J Outfall will be removed<br />
Salisbury<br />
1<br />
Proposed 12" Outfall<br />
from Inf Basin 6<br />
ST 3 Left Wetland K Treatment provided in Basin<br />
2 Existing 12" Outfall ST 2 Left Wetland K Outfall will be removed<br />
3 Existing 12" Outfall ST 7 Left Wetland K Outfall will be abandoned<br />
4<br />
Sheet flow from west ST 3 to ST 14<br />
Existing drainage pattern to remain, BVW<br />
Wetland K<br />
side of SB<br />
Left<br />
immediately adjacent to roadway<br />
5<br />
Sheet flow to Swale on ST 3 To ST 27 Wetland O / OQ Existing drainage pattern to remain, existing swale<br />
east side of NB<br />
Right<br />
/ Q<br />
classified as BVW<br />
6<br />
Sheet flow on west side ST 14 to ST Isolated Wetland Existing drainage pattern to remain, Isolated BVW<br />
of SB<br />
26 Left<br />
M<br />
immediately adjacent to roadway<br />
7<br />
Sheet flow on west side ST 28 to ST<br />
Existing drainage pattern to remain, BVW<br />
Wetland L<br />
of SB<br />
33 Left<br />
immediately adjacent to roadway<br />
8 Existing 12" Outfall<br />
ST 31+50<br />
Existing outfall will be diverted into proposed Wet<br />
Wetland R<br />
Right<br />
Basin 7B<br />
9<br />
24" Outfall from Wet<br />
Basin 7B<br />
ST 32 Right Wetland R Treatment provided in Basin<br />
2-19
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