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Waipawa Trunk Sewer Main Renewal - Notice of Information


Tender Closed
RFx ID : 20831049
Tender Name : Waipawa Trunk Sewer Main Renewal - Notice of Information
Reference # : C-1009
Open Date : Wednesday, 13 March 2019 12:30 PM (Pacific/Auckland UTC+13:00)
Close Date : Wednesday, 24 April 2019 2:00 PM (Pacific/Auckland UTC+12:00)
Tender Type : Notice of Information (Advance Notice) (NOI)
Tender Coverage : Sole Agency  [?]
Categories :
  • 83000000 - Public Utilities and Public Sector Related Services
  • Hawke's Bay
Required Pre-qualifications : None
Contact : Darren de Klerk
06 857 8060
Alternate Physical Delivery Address  :
Alternate Physical Fax Number  :
Agency Address :

Central Hawke’s Bay District Council wishes to notify prospective selected suppliers of an upcoming tender (RFT) for a build contract to deliver upgrades to the main trunk sewer from McGreevy Street to the Waipawa wastewater treatment plant (WWTP).The sewer is predominantly located within private property and is known to have poorly-sealed joints that allow significant groundwater infiltration and tree root ingress into the pipework.

The objective of the renewal/rehabilitation project is to provide a robust, sealed sewerage connection from the town centre to the wastewater pond at the WWTP. The programme forms part of the Big Water Story and has been allocated budget in year one and two of the upcoming Long Term Plan (LTP).

The Waipawa trunk sewer main is a 375mm diameter earthenware pipe which spans for 2.2km east of Waipawa town centre. The trunk main was installed in 1910 and has always been intended as only a wastewater-conveyance system. In practice, anecdotal observations and flow monitoring studies have confirmed that significant stormwater flows enter the main during rainfall events. The additional flows are known to result in surcharging of manholes and backing-up of domestic flows within residential properties.

As the project will require suppliers to identify means of upgrading the pipeline, the purpose of this notice is to give advance warning.

We anticipate the RFx documentation will be released and uploaded to GETS during the week starting 18th March 2019, closing mid-April 2019.

Awarded Status

This tender has been completed.

Completion date: Tuesday, 28 May 2019 9:19 AM (Pacific/Auckland UTC+12:00)