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Stormwater Management Plan - Rev 1
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Page 13
Potential sources of contaminants identified for the construction phase of the development are
outlined in Table 6.2 together with proposed stormwater quality improvement devices,
management and maintenance procedures.
Table 6.2 - Potential Contaminants and Proposed Treatments
Proposed Treatment
Management /
Pollutant Potential Source Device and Maintenance
Maintenance Procedures
Procedure
Sediment & Excavated Provision of sediment and Sand filled filter socks.
Eroded material, fill silt barriers to the site Removal of excess
material material, exposed drainage entry and exit sand/silt build-up at
ground, stockpiles points. regular intervals and
of material. after every storm.
Dust Stockpiles of Covering the material or Coverage of material
material, exposed wetting it down at with plastic, geotextile,
ground. regular intervals. surface binding agents or
regular watering.
Litter Refuse generated Construction waste is to Industrial bin is to be
by staff. be cleaned off the site provided within the
area and disposed of into construction area - to be
an industrial bin then emptied on at least a
removed by a refuse weekly basis.
collection contractor.
Concrete Washing of Provision of a closed area Liquids to be removed by
concrete onsite for washing off of a waste collection
trucks/tools to concrete slurries. contractor. Solids to be
remove placed into a refuse bin.
wet/unused
concrete.
Surfactants Washing down No cleaning of vehicles Monitoring & prevention
(detergents) operations on will be permitted on site.
hardstand area
using detergents.
Chemical Typically this may Where spills occur, the A temporary containment
(Paints, occur due to containment area is to area. This is to be
thinners spillage of product. stop escape. The impermeable and of a
etc.) material is to be treated size to permit
(as required) and mixing/transfer, and
removed and cleaned by with a storage volume of
a licensed contractor. twice the largest
Minor spillage outside container used.
this area shall be cleaned Treatment of spills is to
up with cloths and occur on site. No
disposed of to waste via discharge of treated
the industrial bin. water to the stormwater
system is to occur
without council approval.
Incidents are to be
reported to the EPA.
Wastewater Spillage from the A licensed contractor No leakage is to be
relocation of the shall remove any residue permitted to enter the
existing sewerage sewage from unused groundwater or discharge
reticulation. pipes and contaminated to the stormwater
soils are to be disposed system.
of via the industrial bin.
Site Based Stormwater Management Plan
Proposed Townhouse Development at 101-105 Eumundi Noosa Road, Noosaville
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