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Stormwater Management Plan
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EMERGENCY OVERFLOW PIT
QUDM (2007) Section 7.05.04
‘Parameters:
Length side + (L1) = HIS (m)
Length side 2(L2) = 45 (m)
Depth of Water over inlet (h) = 01360) (m)
blockage factor G5)
Weir Flow Conditions;
Q, = 0.5 x 1.66 L.h®?
Where Qg = Flow into field inlet (m*/s)
1.66 = weir coefficient
L = weir length (m) [= 2 x {L1+L2}]
h = depth of water over inlet
Therefore y= GTS
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