Waste Water Engineering
The normal values of over flow rates for sedimentation tanks using coagulant, ranges between

80,000 to 100,000 litres/sqm/day
50,000 to 60,000 litres/sqm/day
40,000 to 50,000 litres/sqm/day
25,000 to 35,000 litres/sqm/day

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Waste Water Engineering
Stone ware pipes are

Highly impervious
Especially suited to pressure pipes
Hydraulically efficient because of their smooth interior surface
Highly resistant to sulphide corrosion

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