2020-08-31 SM - Item 2 - Attachment 2 - Infrastructure Agreement

27.   A stormwater quality treatment system must be provided for the development. The works
      must be undertaken in accordance with an Operational Works approval and the
      Bioretention Technical Design Guidelines (Water by Design, 2012), and must include in
      particular stormwater quality treatment devices of a size and location generally in
      accordance with those shown in the Site-based Stormwater Management Plan – Version
      5, prepared by Barlow Shelley Consulting Engineers Pty Ltd, dated 2nd December 2019.
      The bio retention devices are required to treat runoff from the bushfire access and
      carparks within Lots 12-15
28.   The site must be provided with a stormwater drainage system connecting to a lawful
      point of discharge. The works must be undertaken in accordance with an Operational
      Works approval in compliance with the relevant sections of Queensland Urban Drainage
      Manual
29.   Stormwater runoff from the development must be controlled and disposed of into a lawful
      point of discharge and in a manner that does not cause scour or damage to the subject
      site or any adjoining property including Council’s drainage system
30.   Any drainage line or stormwater outlet located within the adjoining vegetation covenant
      or easement area must be aligned to minimise the impacts on existing vegetation with
      the final alignment determined on-site in agreement with Council’s delegate
31.   Streetscape bioretention devices are to be detailed with the Operational Works
      application and are to specifically address the following:
      a. are designed generally in accordance with the Bioretention Technical Design
         Guidelines
      b. are designed generally in accordance with IPWEQA Standard Drawing No. WSUD-
         001 are provided with a free-draining outlet from the sub-soil drainage system
      c. are designed with offsets to underground services in accordance with utility services
         provider’s requirements.
      d. allow for the safe movement of pedestrians along the road verge either through
         provision of a path behind the device or pedestrian refuge in the case of no path
         being provided.
      e. have stable batter slopes which are designed to avoid the need for safety fencing or
         bollards, or incorporate grates.
      f.   have plantings setback from the road pavement a sufficient distance to not affect the
           road pavement during operation or re-setting.
      g. are designed with a connection from the kerb to the filter media surface which is
         sufficiently robust and not prone to blockage
32.   All stormwater quality treatment devices contained in private lots must be maintained in
      accordance with the Water by Design (2009) Maintaining Vegetated Stormwater Assets
      (Version 1). The approved Operational Works drawings for the stormwater quality
      treatment system and detailed life cycle costing of the system must be attached as an
      addendum to this document. Records of all maintenance activities undertaken must be
      kept and made available to Council upon request.
      Electricity and Telecommunication Services
33.   Underground reticulated electricity and telecommunication services must be provided to
      each lot in accordance with an approval for Operational Works and the standards and
      requirements of the relevant service provider.




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