From feasibility/concept stage, Optimal Stormwater then won the detail design of their next 6 GPTs
These were located at the sites listed:
â€¢Â Smithfield Main Drain P3018 CDS unit with double depth sump
â€¢Â Bellingers Drain, P3024 CDS unit
â€¢Â Bowdens Rd, P1512 CDS unit
â€¢ Antonietta St, P1512 CDS unit
â€¢Â Stockdale Cres, 2x SMS GPTs
The project contact was Mr Darren Ikin 9725 0265.
To date 4 of these have been constructed (by others).Â Site hydraulics were critical on two of the projects, which increased the scope to include surcharging arrangements and overland flow paths.Â Some pre-GPT location shots are shown below.