Stormwater Treatment & Water Quality Management Plan_April2014

                                                                           Callaghan & Toth

           d. The size and depth of the systems have been designed in accordance with
              Water by Design Guidelines and a typical plan and section are shown in Figure
              4.2.
    2. Bioretention Basin 3
           a. Located in Passive Parkland adjacent to Masonry Street.
           b. Designed with a filter area of 150m2.
           c. Filter layer depth of 0.5m and an extended detention depth of 0.3m.
           d. The size and depth of the systems have been designed in accordance with
              Water by Design Guidelines and a typical plan and section are shown in Figure
              4.2.
    3. Raingardens – Lot 26,27,28
           a. Located within Lots 26, 27 and 28
           b. Each designed with an area of 6m2 filter area
           c. Filter layer depth of 0.4m and an extended detention depth of 0.15m.
           d. The size and depth of the systems have been designed in accordance with
              Water by Design Guidelines and a typical plan and section are shown in Figure
              4.3.

Treatment nodes proposed for areas discharging into the western tributary (Part of Stage
3), eastern bank:
    4. Bioretention Swales 1 and 2
           a. Located in road reserve adjacent road off Blue Wren Place
           b. Designed to have filter areas of 97m2 and 82m2 respectively
           c. The swales are 80m and 70m respectively with a total of 150m swale length.
           d. Filter layer depth of 0.4m.
           e. The size and depth of the systems have been designed in accordance with
              Water by Design Guidelines.
    5. Roadside Bio Basins 1a and 1b and 2
           a. Located in road reserve
           b. Designed to have filter areas of 10m2, 15m2 and 10m2 respectively.
           c. Filter layer depth of 0.4m and extended detention depth of 0.1m.
           d. The size and depth of the systems have been designed in accordance with
              Water by Design Guidelines.
    6. Grassed Buffer
           a. Located in road reserve.
           b. Accepts sheet flow from road.
           c. Is approximately 50% of impervious area of the road.

Treatment nodes proposed for areas discharging into the western tributary (Stage 4),
western bank:
   7. Bioretention Basin 2:
          a. Located in Passive Parkland adjacent to creek.
          b. Design with a filter area of 211m2.
          c. Filter layer depth of 0.5m and an extended detention depth of 0.3m.
          d. The size and depth of the systems have been designed in accordance with
             Water by Design Guidelines. A typical bioretention basin plan and cross-section
             is shown in Figure 4.2.


4.2.3 Rainfall Data
The meteorological data used for the MUSIC Model was the data for Cooroy from 01/01/92 –
31/12/02 and is a 6 minute time step. The choice of the data was based on recommendations
from Noosa Council Land Development Section.



55 Lake MacDonald Drive – Stage 1 to 5                                                pg. 15