Estimating and Costing
As per Indian Standard Specifications, the peak discharge for domestic purposes per capita per minute, is taken

1.20 liters for 15 users
All of these
1.80 liters for 5 to 10 users
1.35 for 20 users

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Estimating and Costing
The correct Prismoidal formula for volume is

D/3 [first area + last area + 4 Ʃ Even area + 2 Ʃ odd areas]
D [first area + last area + Ʃ Even area + 2 Ʃ odd areas]
D/6 [first area + last area + 2 ∑ Even area + 4 ∑ odd areas]
D/3 [first area + last area + 2 Ʃ Even area + 4 Ʃ odd areas]

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