Response to Information Request - Received on 19/04/2012 · OPW11/0335

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EP-SECP-02: Site entry and exit points
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1. ObjectivesfTargets                                                                                           To avoid sediment being transported off the site by vehicles

2. Management Strategy                                                                                          1) Dislodge loosely bound sediment attached to vehicles by vibration;
                                                                                                                2) Trap dislodged sediment in the interstices of a metal grid or gravel bed;
                                                                                                                and
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                                                                                                                3) High pressure water hose to remove mud stuck to truck tyres during wet
                                                                                                                weather.
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3. Tasks/Actions                                                                                                1) Install an access path of crushed rock leading into the site, and directly to
                                                                                                                the stockpile area. Rock pads should be at least 15 m long and 200 mm
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                                                                                                                thick, with an underlying layer of geo-fabric. Use cattle ramps as part of the
                                                                                                                structure to allow 2 complete rotations of the largest tyre leaving the site.
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                                                                                       ~~                       2) Install a high pressure water hose that can reach the rock pad, to remove
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                                                                                                                cohesive mud.
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4.Pe                ormance                                                         -
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                                                                                                                Spillage of sediment from the site through the exit, and onto the public road.
Indicators                                                                                         ,




5. Monitoring                                                                                                   Inspection of the road surface beside the exit for sediment movement off
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                                                                                                                the site.

6. Frequency/Deadlines                                                                                          Inspect the exit: daily.
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7. Responsibilities                                                                                             Building contraqtor.                                  ..




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8. Reporting and
                                                                                                                Exception report’in,g to the site manager and senior management.
Review

9. Contingency                                                                                 ~
                                                                                                                When sediment     trans~ort from the site access point is occurring:
                                                                                                                1) Place sandbags at stormwater drain entry to prevent spilt sediment from
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                                                                                                                being washed into stormw~ter drains;
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                                                                                                                2) Report situation to site manager immediately, and request support;
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                                                                    ;                                           3) Halt traffic until situation is under control;
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                                                                                                                4) Initiate cGmective actions;
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                                                                                                                5) Remove sandbags w~n.}he spill has been cleared.
10. Corrective actions                                                                                          1) Remove sediment from road surface using a spade an broom. Do not
                                                                                                                use a hose;
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                                                                                                                2) Building contractor to advise staff about responsibilities inherent with
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                                                                                                                hosing off mud;
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                                                                                                                3) Install extra length of pock pad or grid if necessary;
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                                                                                                                4) Improve delivery of high pressure water hose if possible;
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                                                                                                                5)Avoid work under muddy conditions.