Invercargill Water Pipeline Replacement Project for Supply Resilience
The Oreti River is the sole source of water for Invercargill and Bluff, which is drawn from the Branxholme Water Treatment Plant at Branxholme, north of the city. This water is supplied to the city through two Branxholme trunk supply mains, which were initially installed in 1958. One of the 600 mm pipelines was upgrade…
Source ID: NZ-GETS-25601583
Scope overview
The Oreti River is the sole source of water for Invercargill and Bluff, which is drawn from the Branxholme Water Treatment Plant at Branxholme, north of the city. This water is supplied to the city through two Branxholme trunk supply mains, which were initially installed in 1958. One of the 600 mm pipelines was upgraded in 2014.
The second trunk 600 mm diameter water pipeline has experienced multiple failures since 2019. Council has an annual programme of replacement of asbestos cement water mains. Much of the city�s water supply and distribution pipe network is composed of The 2021-2031 Long-Term Plan outlines the replacement of this pipeline to address resilience and reliability objectives to the city�s water supply.
The project will replace a 7 km section of 24� AC pipe between Pomona Road West and the Waikiwi Water Reservoir in Meyers Reserve as well as install a new 3.5 km section of DN630 PE pipe between the Waikiwi reservoir and the City water tower on Gala Street.
This Contract is for the supply of all plant, labour and materials necessary for the installation of approximately 10.5 km of DN630 PE pipe forming part of the Principal�s potable water reticulation system on a new alignment Location of supporting documents.
Due to the large number and size of the supporting documentation, the link to the sharefile is here: https://invercargillcc-my.sharepoint.com/:f:/g/personal/trudy_saunders_icc_govt_nz/Es0fC8R2OCxGqQQwCEYfKFkBONvA3NKL5j4lU96EZTgWKw?e=vTxvDZ If you are unable to access these please email ICCProcurement@icc.govt.nz to request.
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