Waste Water Engineering
The sewer pipes

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

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Waste Water Engineering
The clarigesters are

Circular Imhoff double tanks with bottom hoppers
Circular Imhoff double storey tanks without bottom hoppers
Rectangular septic tanks
Circular septic tanks

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