NELSON BAY WATER TREATMENT PLANT UPGRADE

Project Start Date

April 2016

Project Completion Date

August 2016

Client

Hunter Water Corporation

Comdain's Role

Principal Contractor

Location

New South Wales

Capabilities

Electrical, Mechanical & Instrumentation

Treatment Infrastructure

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Design & construction of new infrastructure to address water quality non-compliances and safety, environmental and operational risks at Nelson Bay WTP.

Works Undertaken

  • Bushfire protection works including the replacement and safe disposal of existing roof structure and asbestos ceiling and other building modifications (doors and vents);
  • Installation of new caustic bulk storage tank and construction of caustic storage bund and dosing facility;
  • Establishment of a dedicated delivery bund and associated spill collection infrastructure for liquid caustic;
  • Relocation of the existing process water pumps and associated pipework;
  • Replacement and relocation of new telemetry pole along with transfer and installation of telemetry infrastructure;
  • Modifications to dosing system and Installation of a new dosing flow meter;
  • Installation of new caustic and fluoride dosing points and double containment piping.

Highlights & Innovations

  • The project was successfully completed despite a limited 12 week shutdown period. All works , plus additional scopes were completed as per original program.
  • Seamless integration of double containment pipe from chemical room, across piping rack and into a underground dosing pit.