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Stormwater Management Plan
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RIP Overflow Weir Calcs
QUDM Section 5.10.4
Parameters;
Length siae 1 (L1) - D2 (=)
Water over inlet (h) = se)
Blockage Factor DP (m
Therefore Q= NESSES
Weir Flow Conditions;
Qg = 0.5 x 1.66 L.h??
Where Qg = Flow into field inlet (m*/s)
0.5 = blockage factor (typ)
1.66 = weir coefficient
L = weir length (m) [= 2 x {L1+L2}]
h = depth of water over inlet
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