For inspection purposes only. Consent of copyright owner required ...
For inspection purposes only. Consent of copyright owner required ...
For inspection purposes only. Consent of copyright owner required ...
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Pipe Run Area Imperm.<br />
Imperm.<br />
Area<br />
MEHL INTEGRATED LANDFILL<br />
PRELIMINARY SURFACE WATER SEWER CALCULATIONS<br />
Rainfall<br />
Gradient<br />
Intensity Discharge Pipe Size 1 in … ks Velocity<br />
Ref. m 2 % m 2 mm/hr l/s mm mm m/s l/s<br />
Road/Footpath 423 100% 423 50 6<br />
MH 2A - 1A 423 6 150 20 0.06 2.89 51<br />
Road/Footpath 910 100% 910 50 13<br />
MH1A/2 - 1A/1 910 13 150 150 0.06 1.00 18<br />
Road/Footpath 0 100% 0 50 0<br />
MH1A/2 - 1A/1 13<br />
MH1A/1 - 1A 0 13 150 150 0.06 1.00 18<br />
Road/Footpath 0 100% 0 50 0<br />
MH1A/1 - 1A 13<br />
MH 2A - 1A 6<br />
MH 1A - 3 0 19 225 200 0.06 1.11 44<br />
Road/Footpath 502 100% 502 50 7<br />
MH 3/1/1 - 3/1 502 7 150 150 0.06 1.00 18<br />
Road/Footpath 290 100% 290 50 4<br />
MH 3/2-3/1 290 4 150 150 0.06 1.00 18<br />
MH 3/1/1 - 3/1 502 7<br />
MH 3/2-3/1 4<br />
MH 3/1 - 3 502 11 150 150 0.06 1.00 18<br />
Road/Footpath 373 100% 373 50 5<br />
Pumped MH 1 B 70<br />
MH5-MH4 373 75 450 400 0.6 1.01 160<br />
Road/Footpath 805 100% 805 50 11<br />
MH5-MH4 75<br />
MH4-MH3 805 86 450 400 0.6 1.01 160<br />
Road/Footpath 253 100% 253 50 4<br />
MH 7B-MH 6B 253 4 150 20 0.06 2.89 51<br />
Road/Footpath 328 100% 328 50 5<br />
MH 7B-MH 6B 4<br />
MH 6B-MH 5B 328 8 150 20 0.06 2.89 51<br />
Road/Footpath 273 100% 273 50 4<br />
MH 6B-MH 5B 8<br />
MH 5B-MH 4B 273 12 150 20 0.06 2.89 51<br />
Road/Footpath 695 100% 695 50 10<br />
MH 5B-MH 4B 12<br />
MH 4B-MH 3B 695 22 150 20 0.06 2.89 51<br />
Road/Footpath 0 100% 0 50 0<br />
MH 4B-MH 3B 22<br />
MH 3B-MH 2B 0 22 150 80 0.06 1.39 25<br />
Road/Footpath 379 100% 379 50 5<br />
MH 3B-MH 2B 22<br />
MH 2B-MH 1B 379 27 225 80 0.06 1.81 72<br />
Slope -MH1B 10,365 30% 3,110 50 43 300 300 0.06 1.08 76<br />
Grass Area 593 30% 178 50 2<br />
MH4-MH3 86<br />
MH 3/1 - 3 11<br />
MH 1A - 3 19<br />
MH 3-MH 2 178 118 450 400 0.6 1.01 160<br />
Atten- Outlet 11.5 100 50 0.06 1.37 11<br />
Ks Conc = 0.6<br />
Ks Plastic= 0.06<br />
Codes Of Practice: B.S. 8301:1985 Building Drainage<br />
B.S. 8301:1985 Drainage <strong>of</strong> Ro<strong>of</strong> and Paved areas.<br />
<strong>For</strong> <strong>inspection</strong> <strong>purposes</strong> <strong>only</strong>.<br />
<strong>Consent</strong> <strong>of</strong> <strong>copyright</strong> <strong>owner</strong> <strong>required</strong> for any other use.<br />
(Fullflow)<br />
Job Ref. C007831<br />
EPA Export 24-08-2012:23:55:52
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