Wingecarribee Shire Council (NSW) currently seeks tenders from suitably qualified contractors for water and sewer main renewal in the Southern Highlands region of NSW.

The work to be carried out under this contract comprises all work associated with the design, installation, disinfection (water main), restoration and testing for the rehabilitation and installation of specified pipelines (100mm, 150mm, 225mm and 300mm) of sewer and water main using trenchless technologies (pipe bursting) and open trench technology (exhume and relay) in towns of the Wingecarribee Shire Council area.

The main items of work to be constructed include but are not necessarily limited to the following:

• Renewal (pipe bursting) of approximately 5385 metres of CC and VC gravity sewer main of different diameter using MDPE PN 6.3.

• Disconnection and reconnection of approximately 210 house services including junctions to the upgraded sewers.

• Rehabilitation of all sewer service lines to the boundary shaft.

• Preliminary CCTV and cleaning of sewer mains proposed for renewal or relining and post CCTV and reporting on post rehabilitation condition.

• Customer notification and negotiation at all sites in accordance with councils service level agreements.

• Reinstatement of benching channels and drops in access chambers.

• Drops in the manhole to be included as part of the contract, the price for renewals to include drops as well.

• Testing of sewer mains and manholes.

• Replacement (pipe bursting and exhume and relay) of approximately 1730 meters of 100mm and 150mm AC water main at various sites using materials equivalent to Class 16. Please refer to Clause 5.2.15, Schedule 2 Water – Method Pipe Bursting and Exhume and Relay, Note1, Note 2 and Note 3.

• Provision of bypassing where required calculation of flow to be carried out by the contractor, critical customer nominated by the principal.

• Disconnection and reconnection of approximately 54 customer water services.

• Provision of temporary water supply where required.

• Temporary service pipe shall be clean and sterile.

• Connection of meters to temporary water services.

• Consultation with authorities where required.

• Disinfection and cleaning of water mains

• Testing of water mains.

• Replacing, sealing and testing of access chambers.

• Restoration of all property and infrastructure at all sites.

• Environmental protection at all sites.

• Work-as-executed information for all sites.

Submissions close: 10:00AM Sydney time, Tuesday the 9th of September 2014.

For further information or application details see the tender webpage.

 

Michelle is a freelance journalist and editor who, as well as covering all the latest and breaking industry news, is a gun proofreader and editor who never misses a trick.

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