What is sewage treatment plant calculation formula?
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Before Calculating the size of STP calculate Total Domestic Raw Water Demand Required as per NBC-2005, Consider 135-150 LPCD.
Total domestic (raw) water demand = TWD
Estimated Sewage X = 90 % of TWD
Estimate Sewerage X = 90/100 * TWD
For Eg If TWD = 1500 KLD
Capacity of S.T.P = 90 / 100 * 1500 KLD
= 1350 KLD
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