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Waipawa Water Firefighting and Shortfalls

Waipawa Water Firefighting and Shortfalls

Waipawa Water Firefighting and Reticulation Improvements

Council has developed a works programme, details are outlined below, and updates will be added as the project progresses.

Update - 20 June 2021

Council with our partner Stantec has developed a work programme to improve firefighting and growth across Waipawa.

The firefighting and shortfall in reticulation project aims to deal with challenges related to the Waipawa and Ōtane water supply network, specifically:

  • Resolving areas of fire flow compliance; specifically, the Low Zone and high fire areas.
  • Servicing planned future growth and infill; and;
  • Allowing for potential new connections inside the urban boundary.

The project has been broken down to many stages to align with budget set aside in Council's Long Term Plan. 

The first three stages are proposed as follows;

  1. Stage 1 - Waipawa Reservoir to Abbotsford Road (Approx. 228 m DN250 PE100 PN12.5 from the connection to the DN175 ST-SWS main (at reservoir) to the temporary blank flange for Stage 2 connection (on Abbotsford Road)).
  2. Stage 2 - Abbotsford Road to Matthew Street (Approx. 373 m of DN250 PE100 PN12.5 from the temporary blank flange (end of Section 1) to the temporary blank flange for Stage 3 connection (at connection at intersection between Abbotsford Road and Matthew Street)).
  3. Stage 3 - Matthew Street to Rose Street (Approx. 392 m of DN250 PE100 PN12.5 from the temporary blank flange (end of Stage 2 connection at intersection between Abbotsford Road and Matthew Street) to the existing network connection (intersection between Matthew Street

    and Rose Street). Approx. 187 m of DN63 PE80B submain on Matthew Street).

A tender is currently out to construct the first 3 stages. A map detailing where the first stages will take place is below.

Waipawa Firefighting St1 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Update - 01 June 2021

The design has been finalised and tender document is due to be released shortly.

Summary of recommended upgrades is shown below;

Waipawa FF Summary of Upgrades

Update - 13 May 2021

System overview;

The Waipawa – Otane water supply has two distinct abstraction points alongside the Waipawa River:

  • At Tikokino Road. This is the primary supply - Consented outtake at 33,264m3/day in a 7-day period at no more than 55 l/s.
  • Adjacent to the pumping station at the end of Johnson Street.

This is only used during periods of high demand to ensure supply is maintained to the eastern side of Waipawa. Consented outtake of 21,168m3/day in a 7-day period at no more than 35 l/s.

Water from the Tikokino bores is pumped to both the Waipawa Reservoir on Abbotsford Road and the Otane Reservoirs. An emergency PRV is in place to bypass the Otane Reservoirs if needed and thus supply Otane from the Waipawa system. During high demand periods, Operations can turn on the Johnson Street bores to fill the Johnson Street Reservoir, with water subsequently boosted directly in the Waipawa distribution network. The demand in Waipawa consists essentially of approximately 2,000 residential users and two truck wash stations.

Waipawa Water Overview

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