Environment
Environmental consulting solutions for responsible, resilient and sustainable development including impact assessment, ecology and contamination management.
Water
Urbanisation
Sienna Wood residential estate, Western Australia
RPS’ consultants provided environmental and water management services at the Sienna Wood residential estate in Perth’s south east.
Master-planned community
Sienna Wood is in Perth’s growth corridor in the south east suburbs of Hilbert and Haynes – around 30 kilometres from the Perth CBD. The residential estate is a joint venture between Stockland and DevelopmentWA as part of the State Affordable Housing Strategy and aims to deliver an affordable and balanced master-planned community.
RPS has been involved with the project since 2018 and is providing ongoing support as the residential estate continues to develop.
Once completed, Sienna Wood will be home to almost 12,000 residents.
Environmental approvals
RPS worked with Stockland on the management plan approvals process for the Hilbert Road Conservation Category Wetland, a key environmental feature of the project and associated Resource Enhancement Wetlands.
Our consultants are also working on the Wungong Brook foreshore landscape and rehabilitation implementation plan with Stockland and the City of Armadale. The plan aims to restore the environmental features of the Wungong Brook (lost due to past land uses) through extensive weed control and replanting with native species.
Urban water management and groundwater assessments
RPS has provided several water management services at Sienna Wood, including:
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The preparation and approvals of various Better Urban Water Management reports, including Urban Water Management Plans
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Hydrological/hydraulic modelling to support the design of drainage basins and culvert sizing
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Management of all groundwater licences across the estate, including applications for well construction, groundwater abstraction and dewatering licences, and compliance reporting
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Groundwater and surface water monitoring across the estate, groundwater contour mapping, water quality and Water Sensitive Urban Design (WSUD) performance assessments
RPS is also the project consultant for Acid Sulfate Soil assessment and management across the development site.
Sustainable water solutions for Australia
Water sustains communities, drives industries, and shapes the places we call home. At RPS, we combine innovation, environmental insight, and strategic planning to safeguard this precious resource—ensuring a sustainable and resilient water future for all Australians.
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Steve Rolls
Technical Director - Environmental Planning & Assessment, Western Australia