Watiparinga Stormwater Headwall
Client Contract Value Duration
DPTI - Department of Planning, Transport and Infrastructure $170,000 3 weeks

Description

Construction of gabion basket weir with trash rack in a natural waterway.

Scope of Works

DPTI engaged Davison Earthmovers to undertake work involving:

  • Liaising with DPTI and ARTC to determine methodology to complete works in between train movements including establishment of plant and materials into a 30m deep valley accessible only from rail corridor.
  • Removal of built up vegetation and debris from pipe entry
  • Re-shaping the pipe inlet floor
  • Installation of gabion rock matresses and overflow weir (total 300t of rock)

In order to achieve the required outcome an innovative method for establishment into the site was required involving:

  • Helicopter lifting of earthmoving plant into and out of the valley floor.
  • Use of geofabric slipway for establishment of gabion rock onto valley floor from elevated rail position.
  • Coordination with DPTI equipment including use of hi-rail side tippers.

Use of rubber tyred excavator for access through rail corridor and placement of rock and other materials onto slipway

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