2019-03-18 General Committee Meeting Notes

RECOMMENDATIONS ONLY – NOT THE FINAL DECISION OF COUNCIL
GENERAL COMMITTEE MEETING                                                      18 MARCH 2019

                    64.2.2   Incorporate a coarse sediment forebay (in addition to the required
                             filter media surface area), which is sized in accordance with the
                             latest version of the Water Sensitive Urban Design Technical
                             Design Guidelines for South East Queensland and designed
                             generally in accordance with IPWEQA Standard Drawing No.
                             WSUD-005.
                    64.2.3   Have safe, unobstructed and all weather access from the road
                             frontage for maintenance purposes, particularly for the coarse
                             sediment forebay.
                    64.2.4   Are provided with a high flow bypass to ensure that flows which
                             exceed the treatment capacity of the device are bypassed in order
                             to avoid damaging of the filter media or subjecting the filter media
                             to excessive sediment loads.
                    64.2.5   Are provided with a free-draining outlet from the sub-soil
                             drainage system.
         65.   All stormwater quality treatment devices must be maintained in accordance with
               a Maintenance Manual prepared for the development by a qualified person and
               submitted to Council prior to the issue of any Development Permit for Operational
               Works. The Maintenance Manual must include:
               65.1 A plan showing the location of the individual components of the system
               65.2 For proprietary products the manufacturer’s data and product information
                    sheets
                    65.2.1   For bioretention basins reference to the Water By Design
                             Maintaining Vegetated Stormwater Assets and Rectifying
                             vegetated stormwater assets
               65.3. Location of inspection and monitoring points shown clearly on the plan
               65.4. A schedule or timetable for the proposed regular inspection, maintenance
                     and monitoring of the devices.
               65.5 For proprietary products a maintenance contract of a minimum 10 years to
                    demonstrate that the proprietary product shall be maintained as per the
                    manufacturers specifications.
               65.6 Details of the location and method for maintenance of any proprietary
                    products to demonstrate that collected pollutants and nutrients shall be
                    disposed of in accordance with relevant legislation.
               Records of all maintenance activities undertaken must be kept and made
               available to Council upon request.
         72.   The fire-fighting demand on Unitywater’s water supply system from the
               development must comply with Unitywater requirements and industry standards.
    C.   Delete conditions 44, 45 and 80.
    D.   Include the following new condition
         1.    Any proprietary stormwater quality improvement device included to achieve the
               required stormwater quality Management Objectives specified in Section 4 of the
               Girraween Stormwater Management Plan, must demonstrate only be granted an
               Operational Works Approval on the following provisions:


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