Williamtown Waste Water Transfer Scheme

Williamtown to Raymond Terrace

Value: –                       $15.1 million

Client: –                      Hunter Land Developments Pty Ltd
(Hunter Water Corporation)

Superintendant: –      Geoff Craig and Associates .

Description: –

  • Construction of Two Sewage Pumping Stations including all mechanical and electrical works including HV power supply, aerial and inground and 2 pole mounted sub stations.
  • Construction of 15km of Sewer Rising Main through environmentally sensitive areas ,National Parks, archaeological sensitive areas, RMS & Council road reserves, and private properties involving extensive dewatering of all trench and excavation areas in difficult and poor soil conditions.
  • Required experience and knowledge to construct, lay and connect the sewer rising main using many different types of pipeline materials including:-

1.4km of DN375 DICL

– 0.5km of DN 300 DICL

– 3.5km of DN400 PE

– 0.7km of DN450 PE

– 1.8km of DN375 PVC-O

– 4.8km of DN300 PVC-O

– 2.2km of 419OD Sintaloke

  • Construction of Over 40 Stop Valve, Scour and Air ValveStructures.
  • Design and Construction of Underbores across Major Roadways and other sensitive areas.
  • Extensive Dewatering and Acid Groundwater Management and Treatment
  • Extensive Acid Sulphate Soil Management and treatment
  • Extensive Community and Key Stakeholder Management Consultation
  • Constructed in accordance with HWC specifications.
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