Waste Water Engineering
The pressure exerted by

Pressure sewers are designed to be safe in tension
The internal pressure if any, causes tensile stress in the pipe material
All listed here
The sewage when running full from inside, is called internal pressure

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Waste Water Engineering
The sewer pipes

All listed here
Are designed for generating self-cleansing velocities at different discharge
Should resist the wear and tear caused due to abrasion
Carry sewage as gravity conduits

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