PART Response to Information Request · OPW11/0335

           6.1.4      Terminal Wetland

          The existing wet heath wetland is to act as a buffer to the Noosa National Park. The
          Wetland System provides an ecological barrier to pest flora entering the Noosa National
          Park.

6.2        Proposed Treatment Train

          This sub-section describes the proposed treatment train for stormwater management
          associated with the operating phase of the developed site.         The development is
          proposed to be completed in 3 stages. Specific stormwater control will be instated for
          Stage 1 only, with the remainder of the stormwater devices being installed at Stage 2 for
          both the Stage 2 and Stage 3 development.

          The treatment units include Rainwater Tanks, Vegetation Buffers, Bioretention Trenches
          and the Constructed Wetland System used to manage stormwater. The treatment train
          sequence is shown in Appendix B as follows:

           6.2.1      Stage I - Southern Section (Only)

          Southern Section

          1.    Direction of flow from the Commercial area (restaurant roof, tank) into Bio-retention
                C1a;
          2.    Direction of flow from the offsite commercial area, car-park and on-site commercial
                area (restaurant podium) into Bio-retention C1a
          3.    Direction of sheet flow from the southern catchment (the "South balance© into Bio-
                retention C1 b;
          4.    Direction of flow from shacks (roofs, tanks) into Bio-retention C1 b;
          5.    Direction of flow from bio-retention C 1 a to bio-retention C1b;
          6.    Direction of flow from Bio-retention C1 b into Terminal Wetland;
          7.    Capture of sheet-fow from the northern and mid catchments using a Swale or catch
                drain, directed to Bio-retention C1b

           6.2.2      Stage 2 & 3

          Northern Section

          1.    Direction of flow from the North balance into the Bio-retention Al;
          2.    Direction of flow from the roof and rainwater tank of Building A into Bio-retention Al;
          3.    Direction of flow from shacks (roofs, tanks) in the north section into Bio-retention Al;
                and
          4.    Direction of flow from the Bio-retention Al north trench into the Terminal Wetland

          Mid section

          1.    Direction of flow from the Mid balance into the Bio-retention B1;
          2.    Direction of flow from the roof and rainwater tank of Building B into Bio-retention 131;
          3.    Direction of flow from shacks (roofs, tanks) in the mid section into Bio-retention B1.
          4.    Direction of flow from the Bio-retention B1 mid trench into the Terminal Wetland;

          Stormwater that has passed through all these treatment units enters the receiving node
          (Appendix B). The design stormwater quality passing through the treatment units, as
          well as into the receiving node, for each stage of development, was modelled using
          MUSIC Version 4.

          Southern Section

©2012 Simmonds & Bristow Pty Ltd                        Contrast Constructions                          J-1005-310 - 13 January 2012
I\CLIENTFILES\Contrast Constructions\1108-155c - Essence of Peregian SCEP Stage 1 Update\09_output Documents\1108-155C SWMP
SCEMP_Scanlon Property Group_V3.0 ta_120113.doc                                                                          Page 9 of 24