Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Options: A . &nbspUnexpected large scale infiltration of stream water B . &nbspUnexpected increase in the population C . &nbspUnder estimates of maximum and average flows D . &nbspAll of the above

Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sect

Question

Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for

Options:

A . Unexpected large scale infiltration of stream water

B . Unexpected increase in the population

C . Under estimates of maximum and average flows

D . All of the above

Answer: Option D

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