2017-11-13 General Committee Meeting Notes

RECOMMENDATIONS ONLY – NOT THE FINAL DECISION OF COUNCIL
GENERAL COMMITTEE MEETING                                               13 NOVEMBER 2017


        31.   All landscape works must be maintained generally in accordance with the
              approved design for the life of the development.
              Stormwater Drainage
        32.   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 and be generally in accordance with the submitted
              Stormwater Management Plan - Revision A dated 19 April 2017, prepared by
              Switchback 48 Consulting.
        33.   Stormwater runoff from the development must be disposed of on-site without
              causing scour or damage to the subject site or any adjoining property. Plans
              submitted for the Operational Works approval must include calculations in
              accordance with Queensland Urban Drainage Manual for any overland flow
              discharge areas to confirm that scour will not result from the development.
        34.   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 Bio-retention Technical Design Guidelines (Water by Design,
              2012), and must include in particular:
              a.   stormwater quality treatment devices of a size and location of 30m2 plus
                   25m2 generally in accordance with those shown in section 2 of the of the
                   Stormwater Management Plan for 11-19 Hilton Terrace Tewantin by
                   Switchback Consulting, dated 19 April 2017.
              b.   Bio-retention devices which:
                   i.     are designed generally in accordance with the Water by Design
                          Technical Design Guidelines for bio-retention basins
                   ii.    are provided with a free-draining outlet from the sub-soil drainage
                          system
                   iii.   swales which are designed in accordance with the Water Sensitive
                          Urban Design Technical Design Guidelines for South East
                          Queensland
                   iv.    have batters around the entire perimeter, or where demonstrated that
                          is not feasible, have retaining structures only of the maximum size
                          recommended within the Water by Design Technical Design
                          Guidelines for bio-retention basins.
        35.   All stormwater quality treatment devices must be maintained in accordance with
              the Water by Design (2009) - Maintaining Vegetated Stormwater Assets (Version
              1). A copy of this document must be retained on the site together with the
              approved Operational Works drawings for the stormwater quality treatment
              system and a detailed life cycle costing of the system attached as an addendum.
              Records of all maintenance activities undertaken must be kept and made
              available to Council upon request.
        36.   Any proposed Community Management Statement required for the development
              must include the Water by Design (2009) – Maintaining Vegetated Stormwater
              Assets (Version 1) document and must include the full cost of maintaining the
              system in accordance with that document.



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