MCU14/0056 Response to SARA - Consulting Report

                                                                                                                                ENG
                                                              Engineering Report & Stormwater Management Plan
                                                      Date:          27/01/2015     Document No.:           14012-ENG-04.Docx

                                                       By:                AvT        Revision No.:                 F


      Operations and Maintenance Manual. It should be noted that a suitably approved alternative
      product may be used.

      The rainwater tank treatment node parameters used in the MUSIC model are shown in the
      table below.
                                                                                              Rainwater
                                             Rainwater Rainwater Rainwater                                         Rainwater
                                                                                                 Tank
            PARAMETER                          Tank      Tank      Tank                                              Tank
                                                                                                Future
                                              Service   Storage   Tourist                                           Future
                                                                                               Tourist
Low Flow By-Pass (m3/s)                         0.00               0.00            0.00              0.00               0.00
                        3
Low Flow By-Pass (m /s)                        100.00             100.00          100.00         100.00                100.00
Number of Tanks                                   1                  1              1                 1                  1
Volume Below Overflow Pipe (kL)                 3.00               2.00            5.00              5.00               4.00
Depth Above Overflow (m)                        0.20               0.20            0.20              0.20               0.20
Surface Area (m2)                                2.0                2.0            2.0               2.0                2.0
Initial Volume (kL)                             3.00               2.00            5.00              5.00               4.00
Overflow Pipe Diameter (mm)                      150                150            150               150                150
Re-use Daily Demand (kL/day)                     2.0               0.08            3.6               3.6                3.2
Assumed Number of People per day                 50                  2             20                 20                18
Volume Per Person (L)                            40                 40             180               180                180
Total Volume Per Day (L)                        2000                80            3600               3600              3240
            Table 5.8:             Rainwater Tank Input Data

      Treatment parameters for the in ground proprietary systems have been provided by the
      manufacturer. Refer to Appendix G for the Stormwater360 Operations and Maintenance
      Manual.


          Alternative in Ground Proprietary System
      The proposed in ground proprietary system documented within this report is the
      Stormwater360 Stormfilter cartridge system. At the time of preparing this report the
      Stormwater360 Stormfilter system is the only system that is approved for use by Noosa
      Council. However discussions with council have indicated that an alternative product may be
      used if the alternative product does become approved for use. Based on these discussions it is
      assumed that subject to their approval, council may accept a change in the proprietary
      product used.




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