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MCU14/0056 - Attachment H -Economic Needs Assessment
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Maximum 0.3m/s flow velocity Ideally the barrier is placed at
Porous fabric or mesh Porous fabric or mesh between barriers least 5D away from inflow pipe
Porous or non-porous Porous or non-porous
barrier D barrier
Spill-through weir Spill-through weir
V = 0.5m/s (max) V = 0.5m/s (max)
(a1) Porous barrier inlet chamber (b1) Porous barrier inlet (c1) Alternative inlet chamber (d1) Alternative inlet chamber
(plan view) chamber (plan view) (plan view) (plan view)
Spill-through weir Spill-through weir
Side Pump
Porous fabric or mesh Porous fabric or mesh Porous fabric or mesh Porous fabric or mesh
D inlet P
Ideally Width not
5D (min) critical
(a2) Typical layout of inlet chamber (b2) Typical layout of inlet (c2) Single spill-through weir (d2) Multiple spill-through weirs
(long-section) chamber (long-section) per barrier per barrier
Inlet chamber
Outlet chamber
Outlet chamber
Settled sediment
Inlet chamber
Catchments & Creeks Pty Ltd
(f) Typical arrangement of inlet and outlet chambers
(long-section)
(e) Typical arrangement of inlet and outlet chambers
Drawn: Date:
(plan view) Sediment Basins - Inlet Chambers
GMW Feb-10 and Outlet Chambers SB-02
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