Swmp

                                      Figure 2.2 - Site Contours (Noosa Council Intramaps, 2022)



     2.3. Proposed Development Drainage Pattern

          2.3.1 Stormwater Concept
The internal stormwater drainage network will be provided to ensure collection of surface run-off as well as allowing
for capture of upstream run-off at the boundary and discharge from subsoil drainage of retaining walls.

Roof run-off from the new building will be drained via downpipes into a stormwater attenuation tank. The tank is
sized to reduce the overall developed site flows to pre-development levels, ensuring discharge from the site
minimises any impact to the downstream environment.

The internal drainage and attenuated roof outflows will be conveyed and discharged via kerb adaptors replacing
the existing within Safari Street, being the lawful point of discharge from the development consistent with the existing
drainage characteristics.

The roof and allotment drainage system for the proposed site shall be designed to comply with:

     1. Noosa Shire Council Planning Scheme Policy (PSP) - Engineering Design Standards – Roads, drainage and
        earthworks;

     2. The Queensland Urban Drainage Manual (QUDM); and

     3. AS/NZS 3500.3:2015 - Plumbing and Drainage Part 3: Stormwater Drainage.

Refer to Appendix A Proposed Development Concept Plan for the proposed stormwater drainage layout plan
illustrating the concept described above.


Project number 20220130
File RECOR Preliminary Stormwater Management Report - 20220130.docx, 2022-05-19                                Page 6 of 16
Revision 1


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