Berowra Commuter Car Park

  • Client: Transport Construction Authority
  • Client Contact: Jonathan Byrne
  • Principal: Northern Group
  • Contract Superintendant: Andrew Reardon (Director)
  • Date: March 2010- December 2010

Description of Project

The Project requires the demolition and site clearing of approx 4000m2 of vegetated site area parallel to Berowra Rail way station and Pacific Highway at Berowra. Previous and ongoing land use for the site is as a 24 hour Rail Corp maintenance access.

Site works involve the filling and compaction of over 8000m3 in order to bring the site area to the height of the Pacific Highway, construction of soil reinforced retaining wall approx 5m high and 200m long to retain filling and build the edge of the car park beside the rail corridor. The wall contains a standard concrete crash barrier on top to prevent vehicle accidents.

Excavation, treatment and reinstatement of 1300m3 of uncontrolled fill with class 1 geotechnical supervision due to Gully feature identified in the pre construction period.

Excavation, screening and beneficial reuse of asbestos contaminated topsoil discovered on site during early works.

Minor intersection upgrade works to the intersection of Pacific Highway and Berowra Waters Road to facilitate a new turning lane upgrade pram ramps, pedestrian access and traffic light programming for new signalling requirements. All works conducted in accordance with RTA standards and Hornsby Shire Council.

Removal of existing 375mm dia Sydney Water Supply line, and replacement with new line such that it complies with Sydney Water standards.

Installation of full storm water services (including large drop junctions, GPT’s and OSD tanks), electrical infrastructure and communications infrastructure for car park CCTV, lighting and PA system

Supply and lay pavement sub base, base and asphalt surface for 134 new car spaces, inclusive of line marking, wheel stops, kerb and guttering and other minor concrete works.

Other requirements includes major service locating and vacuum excavation work, block work, site perimeter fencing and soft landscaping