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MCU14/0056 Response to SARA - Consulting Report
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Log in to see the plans as drawn MATERIALS 4. WRAP THE FABRIC AROUND OR REMOVAL
OVER THE STORMWATER INLET 1. WHEN THE UP-SLOPE DRAINAGE
FABRIC (LIGHT TRAFFIC AREAS): GRATE IN SUCH A MANNER THAT AREA HAS BEEN STABILISED,
HEAVY-DUTY, NEEDLE-PUNCHED, PREVENTS ANY WATER ENTERING REMOVE ALL MATERIALS INCLUDED
NON-WOVEN FILTER CLOTH (‘BIDIM’ THE STORMWATER INLET WITHOUT DEPOSITED SEDIMENT AND DISPOSE
A34 OR EQUIVALENT). PASSING THROUGH THE FABRIC. OF IN A SUITABLE MANNER THAT WILL
NOT CAUSE AN EROSION OR
FABRIC (HEAVY TRAFFIC AREAS): 5. ENSURE ALL OTHER FLOW ENTRY POLLUTION HAZARD.
POLY-PROPYLENE, POLYAMIDE, POINTS ARE COVERED WITH FABRIC
NYLON, POLYESTER, OR SUCH THAT WATER CANNOT ENTER Sediment collection pit excavated around inlet
POLYETHYLENE WOVEN OR THE STORMWATER INLET WITHOUT
NON-WOVEN REINFORCED FABRIC. PASSING THROUGH A SUITABLE
THE FABRIC WIDTH SHOULD BE AT FILTER.
LEAST 700mm, WITH A MINIMUM UNIT
WEIGHT OF 140g/m2. FABRICS 6. TAKE ALL NECESSARY MEASURE
SHOULD CONTAIN ULTRAVIOLET TO MINIMISE SAFETY OR FLOODING
INHIBITORS AND STABILISERS TO RISK CAUSED BY OPERATION OF THE
PROVIDE A MINIMUM OF 6 MONTHS SEDIMENT TRAP.
OF USEABLE CONSTRUCTION LIFE
(ULTRAVIOLET STABILITY EXCEEDING MAINTENANCE
70%).
1. INSPECT THE BARRIER AFTER
INSTALLATION EACH RUNOFF-PRODUCING
RAINFALL EVENT AND MAKE REPAIRS (a) Fabric wrap drop inlet protection with trench
1. REFER TO APPROVED PLANS FOR AS NEEDED TO THE SEDIMENT TRAP.
LOCATION AND DIMENSIONAL Grate wrapped in non-woven
DETAILS. IF THERE ARE QUESTIONS 2. REMOVE COLLECTED SEDIMENT filter cloth (woven sediment
OR PROBLEMS WITH THE LOCATION, AND DISPOSE OF IN A SUITABLE Sediment collection pit fence fabric only used in
DIMENSIONS OR METHOD OF MANNER THAT WILL NOT CAUSE AN excavated around inlet heavy traffic areas)
INSTALLATION CONTACT THE EROSION OR POLLUTION HAZARD.
ENGINEER OR RESPONSIBLE
ON-SITE OFFICER FOR ASSISTANCE. 3. REPLACE THE FABRIC IF IT IS TORN
OR DAMAGED.
2. ENSURE THAT THE INSTALLATION
OF THE SEDIMENT TRAP WILL NOT 4. SEDIMENT DEPOSITS SHOULD BE Stormwater
CAUSE UNDESIRABLE SAFETY OR REMOVED IMMEDIATELY IF THEY inlet grate
FLOODING ISSUES. REPRESENT A SAFETY RISK.
Catchments & Creeks Pty Ltd
3. SELECT THE APPROPRIATE FABRIC
FOR THE SITE CONDITIONS.
(b) Typical details of excavated sediment collection trench
Drawn: Date:
Grated Stormwater (Field) Inlet
GMW May-10 Sediment Trap ESC-02
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