Chamber selection - Surface Water - Delta Membranes

Chamber Selection – Surface Water

Not suitable for Type C, Cavity Drainage System calculations or foul water calculations

Chamber selection - Surface Water

	Please add values
Surface Area	m2
Depth of incoming pipe from underside of slab	mm
Static Head to (inlet of pump to high point of pipe)	m

Chamber height required	0 mm
Incoming flow rate	0 l/s

Pumps/Total head (l/s)	3.0	4.0	5.0	6.0	7.0	8.0	9.0	10.0	11.0	12.0
V3	2.2	1.8	1.3	0.7	0.0	0.0	0.0	0.0	0.0	0.0
V4	0.0	3.0	2.8	2.4	1.9	1.5	1.0	0.0	0.0	0.0
V6	0.0	3.7	3.3	3.0	2.7	2.4	2.1	1.4	1.2	0.4

Please note:

Any highlighted fields can be used but only the min chamber specification will be shown.
Pumps selection is based on optimum/ideal performance based on pump performance curve.
Pumps suggested are in Delta range (V3, V4 and V6).

Based on

Static Head set at 4m depth
Discharge is 50mm on all (2")
Less than a 10m horizontal run - anything over please call
Calculations are based on London floodplain for other areas please call
If no chambers are highlighted please call us
If no pumps are highlighted please call us

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