5179IWMP_Rev3

                                                                             Callaghan & Toth

              d. The size and depth of the systems have been designed in accordance with
                 Water by Design Guidelines.

    2. Roadside Bio Pods (BB1, BB2, BB3, BB5)
          a. Located in road reserve
          b. Designed to have filter areas of 15.5m2, 13.2m2, 13.5m2, and 18 m2 respectively.
          c. Filter layer depth of 0.4m and extended detention depth of 0.2m.
          d. The size and depth of the systems have been designed in accordance with
             Water by Design Guidelines.

    3. Gross Pollutant Trap
          a. Located in park
          b. Downstream of the roadside biopods for final removal of sediments.
          c. 50% efficiency in removing Suspended Solids


4.2.3 Rainfall Data

The meteorological data used for the MUSIC Model was the data for Cooroy from 01/01/73 –
31/12/83.

The mean Annual Rainfall for Cooroy                 1973 – 1983 = 1600mm

The MUSIC Modelling Guidelines for South East Queensland – Version 1 December 2010
details that Cooroy data for 1973 to 1983 should be used.




                                                                                           15
2035 2 Pearsons Road IWMP – Revision 3                                       April 2021