Stormwater Management Plan · MCU15/0122

                                                                                              15099 - SBSMP/3
                                                                                                          Page 16




   Table 6.1 - Potential Contaminants and Proposed Treatments
                                                                                     Proposed Treatment
                                                    Management /
       Pollutant         Potential Source                                         Device and Maintenance
                                                Maintenance Procedures
                                                                                          Procedure
      Sediment &       Excavated material,     Provision of sediment and           Sand filled filter socks.
        Eroded             fill material,       silt barriers to the site             Removal of excess
       material          exposed ground,        drainage entry and exit              sand/silt build up at
                           Stockpiles of                 points.                 regular intervals and after
                             material.                                                   every storm.
          Dust             Stockpiles of        Covering the material or         Coverage of material with
                        material, exposed      wetting it down at regular        plastic, geotextile, surface
                               ground.                 intervals.                 binding agents or regular
                                                                                           watering.
         Litter        Refuse generated by       Construction waste is to           Industrial bin is to be
                              staff.              be cleaned off the site            provided within the
                                                area and installed into an        construction area - to be
                                                    industrial bin then             emptied on at least a
                                                   removed by a refuse                  weekly basis.
                                                  collection contractor.
       Concrete       Washing of concrete       Provision of a closed area       Liquids to be removed by a
                         trucks/tools to         onsite for washing off of            waste collection
                      remove wet/unused              concrete slurries.            contractor. Solids to be
                            concrete.                                             placed into a refuse bin.
       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 spillage      containment area is to               area. This is to be
     thinners etc.)        of product.         stop escape. The material         impermeable and of a size
                                                   is to be treated (as          to permit mixing/transfer,
                                                 required) and removed           and with a storage volume
                                               and cleaned by a licensed             of twice the largest
                                                        contractor.                     container used.
                                               Minor spillage outside this         Treatment of spills is to
                                                area shall be cleaned up               occur on site. No
                                                with cloths and disposed         discharge of treated water
                                                   of to waste via the            to the stormwater system
                                                      industrial bin.            is to occur without council
                                                                                  approval. Incidents are to
                                                                                   be reported to the EPA.
      Wastewater        Spillage from the      A licensed contractor shall            No leakage is to be
                        relocation of the          remove any residue               permitted to enter the
                        existing sewerage      sewage from unused pipes           groundwater or discharge
                          reticulation.        and contaminated soils are             to the stormwater
                                                to be disposed of via the                   system.
                                                      industrial bin.




Site Based Stormwater Management Plan
Proposed Medical Development at Cnr Val Crescent & Goodchap Street, Noosaville