Great Western Highway Upgrade - Winbourne Road, Hazelbrook to Station Street, Woodford

The work to be carried out under the contract involves the reconstruction and upgrading of 3.2 km of the Great Western Highway in the City of the Blue Mountains, between Winbourne Rd Hazelbrook and Station St Woodford. The works also include the relocation and installation of utilities, widening of the existing carriageway from one lane in each direction to a four lane divided carriageway, construction of over 5000m2 of concrete retaining walls, upgrading and installation of new road drainage to minimize impacts of flooding, property adjustments, works in the Blue Mountains Railway Corridor and Road Finishing Works.

Challenges

Working adjacent and in an existing railway corridor proposes railway possession planning issues to ensure that the planned works are carried out during the restricted times as approved. The works are to be constructed within an operating highway and will be constructed adjacent to moving traffic..

Any specific OH & S or environmental issues

The project is situated in the Hawkesbury Water Catchment and is bounded by the Blue Mountains National Park, clear and detailed pre-planning is required prior to any works commencing on site, with specific activities having their own risk assessment being completed by the Project Team.

Progress

The five quality basins are nearing conclusion and the structures are complete. The drainage to the basins is in progress and access roads to them are in construction. The main Great Western Highway Road traffic switch from stage 1 to 2 has been completed and work zones have been set up along the 3.2 km length of the Project. some of the works that have commenced in these zones include piling, utilities realignments, clearing and grubbing, earthworks, property adjustments, environmental and sedimentation controls. Rail interface works are also in progress.