Residential Works

Serpentine Stages 8 and 9

This civil consultancy contract, for Stages 8 and 9, included roads, main drain crossings, stormwater drainage, water reticulation, underground power, telecommunications, lighting and fencing in 34 lots each 4,000 ha in size. Stage 8 was successfully completed in March 2015 with stage 9 currently on schedule to be completed in early 2016.

Pockets of clay was experienced on site and compaction rates of the subgrade was a problem in these areas.  A methodology was put together of ripping, blending, wetting and compacting of these areas to ensure the specified NATA compaction rates were achieved.

Lot 8 Holmes Street, Southern River

River Engineering was engaged by a major consultancy to project manage a 101 lot subdivision in Southern River from the design and tendering phases through to the contract administration of the project. The project was split into two stages and was a combination of residential (including laneway and strata lots) and commercial lots.

The main challenge for the project was to produce a free flowing drainage system and minimise imported fill and retaining walls.  This reduced construction costs also improving the development aesthetically. This was achieved through clever design, incorporating a garden which accepts the one in six month rainfall and a basin which has been used within the public open space.

Mills Park Independent Checker

We were engaged by the City of Gosnells to review the tender drawings and documentation for two tenders for the development of the Mills Park Community Facility and Sporting Fields. The scope of work of the project included the sports fields (including the synthetic surface soccer pitches), a wetland, civil works, landscape architecture, architecture, building services, and structural components.

It was important that the review took into consideration the constructability of the two proposals and how these will work side-by-side defining extent of contracts and boundaries which sometimes overlapped. This enabled cost savings to be realised and reduced the potential for variation claims.

 

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