St Mary’s Sewer Augmentation

The scope of works included constructing

  • Approx 1km of 375mm PP sewer carrier
  • Building of cast in-situ DTC manholes,
  • Constructing vent shafts up to 14m high,
  • Micro-tunnelling across Lenore Drive,
  • Excavating and shoring of bore and receiving shafts,
  • Construct scour out to Ropes Creek
  • Connections into existing pipework
  • Reinstate paddocks on completion.
  • CCTV, air test, vacuum testing to Sydney Water standards

The complexities of the job included excavating and shoring up to 6m deep in water-charged ground, rock removal and environmental controls and working adjacent to Ropes Creek.

Project Info

Client: Abergeldie Contractors Pty Ltd

Description: Athassel Civil was engaged by Abergeldie Contractors Pty Ltd to construct 1,000m of gravity main including ancillary structures such as manholes and vent shafts at St Marys Wastewater System – Infrastructure to Service Growth