Optimal Stormwater design and construction projects deliver quality solutions for reliable performance, safe and practical operation and maintenance and balanced operating cost. Optimal design, construct and operate under third party quality assured Integrated Management System (IMS) Standards AS/NZS ISO 9001:2016 & AS/NZS ISO 14001:2016 & AS/NZS 4801:2001
We prepare comprehensive construction methodologies, shoring design, pipeline and hydraulic specification, utility protect plans, flow management plans, pedestrian and traffic safe work methods statement, site induction, environmental management plans and community consultation are standard features of our construction projects.
Optimal Stormwater won the construction of the restoration of the tidal channel in Carina Bay Reserve, Como. Carina Creek had suffered from sediment deposition which accumulated at the tidal confluence and subsequently created a barrier above the tidal level, mangroves […]
view project details
Optimal Stormwater were engaged by Willoughby Council to undertake the design and construction of creek restoration, rock infiltration dam, a GPT and stormwater harvesting pumpwell at Warners Park, Northbridge. Optimal Stormwater designed and documented the works, including design of a […]
view project details
Optimal Stormwater were engaged by Lane Cove Council to undertake the construction of waterway at Lane Cove Bushland Park. The project involves protecting two existing gullys from erosion to prevent damage to an endangered ecological fungi community, protecting an existing […]
view project details
In 2020 Optimal Stormwater was commissioned by Mosman Municipal Council to design improvements to the watercourse discharging to popular Balmoral Beach. The watercourse was subject to severe erosion and sediment deposition as a consequence of urban stormwater flows. The headwall […]
view project details
In 2019 Optimal Stormwater won the tender to design and construct two GPTs for Gwawley Bay catchment. One was a CDS P2018 Unit at Kareena Road, Miranda and the other a CDS P3024 Unit at the Five Ways intersection. The […]
view project details
In 2020 Optimal Stormwater won the tender to design and construct three (3) GPTs for Dubbo Regional Council. Total tender value for design and construction of the three GPTs – just over $1.1M. The third site was at Paringa Place, […]
view project details
In 2020 Optimal Stormwater won the tender to design and construct three (3) GPTs for Dubbo Regional Council. Total tender value for design and construction of the three GPTs – just over $1.1M. The second site was at Devils Hole […]
view project details
In February 2020 Optimal Stormwater won the tender to design and construct a CDS Unit P2018 for Stringybark Reserve. As an alternative, Council was given the opportunity to design and construct an equivalent SPEL Vortceptor, also a high performance vortex […]
view project details
In 2020 Optimal Stormwater won the tender to design and construct three (3) GPTs for Dubbo Regional Council. The most important site is located on Whylandra Street, West Dubbo with a 300 hectare catchment on twin 1800mm pipes discharging to […]
view project details
In 2019 Optimal Stormwater won the detailed design of six Gross Pollutant Traps at various locations around North Sydney LGA. Optimal subsequently won the construction of a CDS 2018 at Hayes St, the first of six Gross Pollutant Trap. The […]
view project details
Canterbury Bankstown Council has been a leader in the management of stormwater and operate over 70 GPTs and other devices. Older technologies installed decades ago are being upgraded and over 2018- 2019 Optimal Stormwater assisted with the design and construction […]
view project details
Gwawley Bay is the focal point for water quality improvement with heavy loads of pollution discharged in to the bay via stormwater. Through a detailed investigation Kareena Road in Caringbah and Fiveways intersection in Miranda were identified by Optimal Stormwater […]
view project details
Tuggerah Lakes on the Central Coast have been the focal point for funding by federal, state and local government due to their significant environmental value. The central coast community is also very zealous about the lakes and coastal environment. […]
view project details
Veolia Waste and Environmental Services operate under a strict EPA license requiring stormwater contaminated with leachate from operations to meet high standards prior to discharge. Modification of an existing stormwater detention basin was identified as an opportunity to more consistently […]
view project details
Inner West Council identified a redundant RMS sediment basin as an opportunity to repurpose into a community and environmental asset. Integrating sustainable water practice and environmental engineering Optimal Stormwater delivered a comprehensive redesign and construction project for IWC. Featuring integrated […]
view project details
Optimal Stormwater undertook the design and construction of the creek and drainage works at Towra Point Nature Reserve including the rehabilitation and re-vegetation of an overland flow drainage channel and a new pit to manage flooding and erosion. We used […]
view project details
Optimal Stormwater was selected by Hornsby Shire Council to design and construct a new stormwater treatment solution upstream of a bioretention basin in Lyne Road Reserve, Cheltenham. Council identified that the existing, underperforming bioretention basin downstream was underperforming due to […]
view project details
Optimal Stormwater was selected by Hornsby Shire Council to design and construct a new stormwater treatment solution upstream of an ecologically sensitive creek within Neal Reserve, Sherbrook Road, Hornsby. The existing basket-type GPT was well undersized and causing upstream flooding […]
view project details
Optimal Stormwater was selected by Hornsby Shire Council to design and construct a new stormwater treatment solution upstream of a sensitive waterway in an industrial park on Salisbury Road, Hornsby Heights. Due to the relatively small catchment, extreme depth and […]
view project details
Optimal Stormwater was selected by Hornsby Shire Council to design and construct a new stormwater treatment solution upstream of an ecologically sensitive creek at Pike Road, Hornsby Heights. The existing Humegard GPT was severely underperforming, and Optimal Stormwater was able […]
view project details
Optimal Stormwater was selected by Lane Cove to design and construct a GPT at Bent Lane, Greenwich. The site was earmarked for a GPT to help improve downstream water quality and flooding alleviation. The design was given to us as […]
view project details
Another consultant had proposed a Baramy trap or equivalent, and Optimal Stormwater tendered for their own design, and won the project with a superior design, and lower overall costs. The trash rack is one of the longest in Sydney, and […]
view project details
Optimal Stormwater was selected for the construction of a stormwater harvesting solution in Waterloo at Waterloo Oval for the City of Sydney. The project involved a drop offtake from the City of Sydney’s 600mm stormwater drain, with gravity feed into […]
view project details
Optimal Stormwater was engaged to provide $1.2M worth of stormwater harvesting works in Sydney. Optimal Stormwater was selected because of our depth of understanding in regards to the water balance and limitations with the concept put forward. The proposed (and […]
view project details
Another consultant had done a very detailed design, but when it went to tender, all bids were massively above Council’s budget. However, Optimal Stormwater put in an alternative tender with some very cost effective options, that really appealed to Council, […]
view project details