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MCU14/0056 - Attachment G - Engineering Report & Stormwater Management Plan
Plans and drawings
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Log in to see the plans as drawn Spillway crest
Maximum water level 300mm (min) Spillway crest
Maximum water level 300mm (min)
Debris screen
Settling zone 600mm
(min) 300mm 600mm
Riser pipe outlet Settling zone
(min) (min)
Sediment storage zone
Sediment storage zone
Anti-flotation weight
Anti-seep collars
(a) Type C (dry) basin with riser pipe outlet system (b) Typical profile of Type F/D (wet) basin
Inflow Outlet Outlet
Inflow
Ba
L1 L1 L2 Emergency
AS
ffle
(a) spillway
L2 Maximum water level
Baffle
(b)
AS
In case (b) it is important
Inflow
Inflow to place the baffle so that
L1 = L2 Length (L)
(c) AS Inflow
L1
Width (W)
L3
L2 AS
Energy
Outlet Inflow dissipater
L4 Bottom of settling zone Fill embankment
Cases (a), (b), (c): We = AS/(L1 + L2) (d) L1
L2
Cases (d): We = AS/(L1 + L2 + L3 + L4)
(d) Type C (dry) basin with riser pipe outlet system
Where: We = Effective width
Catchments & Creeks Pty Ltd
AS = Pond surface area (plan view)
Inflow
(after USDA, 1975)
Drawn: Date:
(c) Typical arrangement of internal flow control baffles GMW Feb-10 Sediment Basins SB-01
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