Wildlines Pty Ltd commenced land development in North Dandalup for a 127 lot subdivision. McDowall Affleck engaged to complete the remaining 91lots of the development across Stages 3 to 6 involving liaising with the Shire of Murray, Water Corporation and project manager. Construction of all Civil works included roadworks and drainage, underground power, telecommunications and water reticulation.
The scope of work included liaise with key stakeholders across development plans; providing detailed construction cost estimates; design and documentation of all civil works.; seek tenders from suitable contractors; superintendence in accordance to AS4000.
Due to the development been situated on low lying clay soils with high groundwater the causing drainage issues, this created significant a project challenge. McDowall Affleck resolved this issue through designing a shallow farm drainage system that runs parallel to the property boundaries in critical locations. This strategy allowed all excess water to move through the system into the main road drainage network.
The real key to the value engineering on the project included McDowall Affleck provided a cost effective solution to manage the clay soils across the 4 stages through the use of a geogrid technique to avoid excessive pavement and meet the environmental demand requirements.