Effluent Disposal Report_compressed

Recommendations

      Treatment

      The amenities blocks are to be serviced by septic tanks, pump wells and an Advanced
      Secondary ASTP/Sand filter fitted with a large capacity pump. See plan for location &
      layout. (System must be approved by QLD Depart of Housing & Public Works)

  •   Installer to ensure tank position does not damage to existing or proposed structures and does
      not cause audible disturbance to nearby residences once final site plan and earthworks are
      known. (Tank position on plan is indicative, final positioning to be nominated by installer)

  •   The tank must be installed and anchored, if necessary, to prevent flotation.
      Installer to confirm sufficient fall is available to the treatment plant prior to installation once
      the floor height is known.

  •   Top of treatment plant shall be at least 150mm above any flood levels that are present.

  •   A filter must be installed in between treatment plant and irrigation area

  •   Pump must have sufficient power to pressurise the irrigation area, controls valves may be
      necessary on the irrigation lines to restrict flow to prevent sprays misting or drifting outside
      the designated land application area.

  •   Two signs are to be erected stating “Effluent Water, Avoid Contact, Do not drink”

  •   Flexible joints should be used from the treatment to the proposed/existing structure where
      the site is “H1” or higher.

      Irrigation Area

      A 400sqm fixed surface irrigation area consisting of fixed heavy droplet sprinklers
      300mm high and a maximum spray diameter of 2m and height of 0.5m. (see plan)

  •   All pipework and fittings used must meet relevant Australian Standards be buried, withstand
      150% of pump shut-off-head and be fit for use.

  •   The supply line from the treatment plant to the irrigation area shall be buried 25-32mm
      purple line poly within a 200mm layer sand bed to prevent damage.

  •   The area is to be installed in a way that creates no pooling or runoff.

  •   The installer is to install non return valves to evenly distribute effluent and prevent back to
      the treatment plant.

  •   A reserve area equal to the above area is available.

      Diversion and Vegetation Requirements

  •   The area is to have a shallow diversion drain or mound uphill of the area to divert surface
      water around the area.
  •   The area is to be mulched & densely planted out with water tolerant shrubs & grasses.
  •   All Storm water from the residence and uphill slopes is to be diverted away from the area.