Frequently Asked Questions
Topic: Sustainable Drainage
Q: What are the maximum flow rates for water entry using the different methods?
A: 110mm Inlet Chamber without filter - as 110mm pipe gradient
110mm Inlet chamber with filter – 7.0 litres per second
110mm perforated pipe 2.4m long – 7.7 litres per second
160mm perforated pipe 2.4m long – 11.4 litres per second
110mm side inlet plate - 16.4 litres per second.
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