Optimal Stormwater was engaged by Wollongong City Council to undertake the debris control structures concept design for 15 sites in Wollongong. Staff at Optimal Stormwater & Henry & Hymas completed the TUFLOW flood modelling as part of the concept design […]

Council approached Optimal Stormwater to do the design of a harvesting system at their Council works depot due to Optimal’s experience in stormwater treatment and stormwater harvesting. They needed it done very quickly, and valued the knowledge that Optimal Stormwater […]

Optimal Stormwater was recommended to Council as one of the leaders in the area of stormwater harvesting, and asked to quote the feasibility, concept design and detail design of a niche harvesting project in Milsons Point, Sydney. The project involved […]

Optimal Stormwater was deemed to have the knowledge, skills and resources to assess the next 8 potential stormwater harvesting sites. Optimal Stormwater was chosen for the investigation, feasibility and concept design of the next 8 harvesting sites within Pittwater, based […]

Optimal Stormwater have completed the stormwater harvesting feasibility study for Leichhardt Council in Sydney. Following this Optimal Stormwater was engaged to do the concept and detail design. The site has multiple constraints that are physical, political and fiscal. The solution […]

Optimal Stormwater was selected to do the design on 2 new trashracks very close to each other at Flametree Reserve at Cherrybrook, removing litter and debris from Nyrippin Creek. The site was hydraulically challenging in regards to both access, and […]

Council had engaged a tier one consulting firm that does everything to design them a GPT. They did this, tendered it, and all tenders were more than double the budget. Optimal Stormwater made some suggestions about sizing and relocation, and […]

Designs have been completed for all sites, and the first system has been built at Auburn Golf Course. The contact on the project is Siva Sivakumar. 9735 1225    The hydraulics at the first site were especially challenging, with a […]

Based on the success of the previous project, Optimal Stormwater was once again selected to do the catchment analysis, sizing, siting, concept design, concept drawings, hydraulic analysis, MUSIC modelling, detail design, drawings for Construction and full specifications for their next […]

With only 4 days to get an assessment done for the expenditure of $1M worth of GPTs, Fairfield Council contacted Murray Powell, to do a feasibility assessment on 10 sites. The process involved catchment analysis, GPT selection, sizing and location […]

Optimal Stormwater have also recently completed the design of 5 of the next 7 GPTs for Blacktown City Council • North Parade, P3024 CDS unit • Rooty Hill Rd, South, P3018 CDS unit, with a double depth sump • Luxford […]

Optimal Stormwater was selected to design the next 2 GPTs for Camden Council. Whilst about 20 companies tendered on the project, Optimal Stormwater had more experience than all of them, and had very competitive rates. The sites had been identified […]

Optimal Stormwater was recently engaged to do the design of 3x “dry trap GPTs” (Trashracks) for Wyong Shire Council. The sites had existing old submerged trashracks that didn’t work, and Council wanted to upgrade them to devices which would not […]