Design, Supply, Transportation, Erection at site, Commissioning
Design, Supply, Transportation, Erection at site, Commissioning
Design, Supply, Transportation, Erection at site, Commissioning
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1.1 Loco maintenance Bays<br />
Page 14 of 34<br />
Pollutants consist of w<strong>at</strong>er, HSD, lubric<strong>at</strong>ing oil, grease dirt, radi<strong>at</strong>or coolants, sludge<br />
and certain chemicals. (CARDIUM & SEWAGE)<br />
1.2 Car body filter cleaning plants<br />
Pollutant discharged consists of lubric<strong>at</strong>ing oil, dirt and cleaning agents etc.<br />
1.3 Loco Components cleaning plants<br />
Pollutants discharge consists of oil, cleaning agents, sludge, dirt, metallic corroded<br />
metal flakes etc.<br />
1.4 Loco Washing<br />
Pollutant consists of detergent solution, oil, grease, dirt, lubric<strong>at</strong>ing oil sludge etc.<br />
1.5 Load Box<br />
Pollutants mainly consist of w<strong>at</strong>er, sludge, oil etc.<br />
1.6 Office Block / Canteen / DM Plant / Compressor<br />
Pollutants mainly w<strong>at</strong>er, sludge, oil, sewage sludge etc. including some chemicals.<br />
1.6.1 Discharge from Labor<strong>at</strong>ory<br />
Miscellaneous Lab chemicals, oil etc discharge in small quantities as pollutants.<br />
The contractor must ensure suitable provision of collecting effluent from<br />
different identified sources. It may necessit<strong>at</strong>e repair, extension of the existing drainage<br />
system etc.<br />
2. Setting up required effluent system :<br />
The effluent tre<strong>at</strong>ment system is expected to tre<strong>at</strong> an estim<strong>at</strong>ed 100 KL of<br />
pollutant w<strong>at</strong>er per day. Arrangement for setting of silt / sludge etc from the drain w<strong>at</strong>er<br />
should be ensured before entering oil w<strong>at</strong>er separ<strong>at</strong>or unit having capacity to<br />
accumul<strong>at</strong>e silt/sludge approxim<strong>at</strong>e 20 Cu.Mtrs.<br />
3. Expected Parameters of effluent <strong>at</strong> output<br />
Suitable arrangement for Physical / Chemical / Biological tre<strong>at</strong>ment of effluent<br />
flowing out of oil w<strong>at</strong>er separ<strong>at</strong>or, so as to achieve effluent level in final discharge as<br />
mentioned in Para 4.<br />
4. Parameters of effluent output<br />
Suitable arrangement to be provided for Physical / Chemical tre<strong>at</strong>ment of<br />
effluent to achieve effluent level in final discharge as indic<strong>at</strong>ed below:<br />
Sl. No.<br />
Parameters<br />
(AS PER TESTING<br />
REPORT OF HBTI<br />
CNB DATED<br />
23/02/2004) Present<br />
level after OWS<br />
Desired level<br />
after tre<strong>at</strong>ment in<br />
ETP<br />
Unit<br />
1 PH 8.4 5.5 – 9.0 Mg/Ltr<br />
2 TDS 628 ≤ 2100 Mg/Ltr<br />
3 TSS 70 ≤ 100 Mg/Ltr<br />
4 BOD 46 ≤ 30 Mg/Ltr
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