Attachment 4 - Stormwater Managment Plan

1. PROPOSAL OVERVIEW
TMC Building Design Group has been engaged by Chris King & Joanne Hill to prepare a holistic
Stormwater and Waste Water Management Plan for the proposed Car Wash and Take Away
Food & Drink Outlet at 34 Elm Street in Cooroy.
The proposed new development building and works consists of:
   1. Two (2) Automatic Car Wash bays,
   2. Two (2) Self-Serve Wash Bays,
   3. Two (2) Super Bays,
   4. Three (3) Vacuum bays,
   5. Two (2) Dog Washes,
   6. A Plant Room, Secure Storage and Store Room with staff amenities,
   7. Fenced Bin area,
   8. Stand-alone Take Away Food and Drink Outlet with attached Disabled Public Toilet,
   9. Suitable landscaping and seated area.

This report will investigate the full water cycle management for the site including;
    A. Stormwater Management,
           i. Compare Pre-Developed Site -v- Post-Developed Site runoff coefficients,
          ii. Model Stormwater harvesting from roofed areas,
         iii. Overall developed site Music Model,
         iv. Overall developed site water quality improvement systems to be adopted.
    B. Waste Water Management,
           i. Expected Car Wash and Dog Wash site patronage,
          ii. Mains Water usage and Sewer discharge with and without recycling equipment,
         iii. Customer Average Weekday, Peak Weekend, Flagship Event site daily patronage,
         iv. Compare Annual Mains Water usage and sewer discharge with and without
               recycling.
    C. Cooroy & LGA Car Wash Stormwater Pollution Calculator.
           i. Current conditions- Pre- proposed Car Wash development,
          ii. Future conditions- Post- proposed Car Wash development.




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            TMC Building Design Group