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Otane Wastewater UpgradesTe whakahoutanga o te Wāhi Rāwekeweke Wai Para i Ōtāne

Otane Wastewater Upgrades

Otane Wastewater Upgrades

We have been investigating the future of wastewater in Otane since 2017 when we replaced the consent, we have been granted a consent expiring in March 2021 to upgrade the treatment plant to meet new conditions and deal with increased flows. Since the granting of the consent Council has included the future of Otane in the project to upgrade the Waipawa and Waipukurau wastewater plants. 

Through this process, it has been understood the future of Otane's wastewater treatment lies in conveying wastewater to Waipawa for treatment and ultimately land discharge. 

Below in each drop down - you will find detail on the project history and progress.

Update - 03 August 2020

Fulton Hogan are currently installing details (valves, joints, etc…) along the pipe already installed along White Road. These details will be used at a later stage to fit Scour and Air Valves for when the Pipeline comes online. To date over 2km of pipe is installed. On track for completion by October 2020.

C1074 OTN to WPA Pipe Strings Welded

Update - 20 July 2020

Fulton Hogan are fast approaching the half way point with over 1700m of new pipe installed in the ground by using trenchless technology.

They are currently working their way from Otane end to the Racecourse Road end joining the new sections of pipe together that their Sub-contractor Xtreme have completed so far.

C1074 OTN to WPA Detail 200720

Update - 13 July 2020

The project has shown great progress over the last few weeks with the completion of over a kilometre of pipe installed to date even with inclement weather conditions. The contractors are working their way towards Otane before turning around and heading back towards Waipawa end.

Over the next few weeks, they will commence welding the pipe together and getting ready to test the first 1350m (phase 1) of the install.

Update - 29 June 2020

Work is well underway now on this project, Our contractors Fulton Hogan and Xtreme are directional drilling to install the new wastewater pipeline. Approximately 1km of pipe has already been welded ready to be pulled into the hole that has been horizontally drilled, they are typically pulling through 200metre lengths at a time.

The process is to weld the lengths first, then drill the hole then pull the pipe through, and welding to join the lengths together, this is a process that is typically followed as the project progresses, with the welders aiming to stay ahead of the drilling unit to ensure pipe is ready to be pulled through.

Update - 16 June 2020

The project team have now set the site well and are currently welding the lengths of pipes together, in preparation for the directional drilling to commence, this will allow the pipes to be ready to be pulled through.

C1074 OTN to WPA Welding Container 200616

Update - 03 June 2020

Our contractor is busy establishing site, and today we took delivery of our first 1300m of pipe. We are currently preparing for works to commence next week.

imagejpeg 2

Update - 28 May 2020

Next week, Fulton Hogan will commence establishing site and setting up a lay down area or camp to base themselves from for the next 3-4 months while they deliver Stage 1 of this project!

We will be installing project signboards at each end of White Road.

Update - 20 May 2020

Final planning work is being completed as we prepare to start this project.

Stage 1 will see approx 3500m of wastewater pipeline installed along White Road, positioning us well to continue with Stage 2 as soon as we have the funding available.

The project aligns well with our long term vision to centralise wastewater treatment in Waipawa and compliments the work we have undertaken leading into Long Term Plan 2021.

Otane to Waipawa WW Pipeline

Update - 13 December 2019

Council have approved to re-purpose the treatment plant upgrade funding towards Stage 1 of the pipeline from Otane to Waipawa. We expect to complete approx. 3.5km worth of this 8.5km pipeline.

Works are expecting start in Feb/ Mar 2020. The remaining works will be carried out following the decision and direction of the greater wastewater project as laid out in LTP 2021.

Update - 10 September 2019

The design progresses well for this pipeline route, and is expected to be completed by early October 2019.

In conjunction with this design, a due diligence process is being undertaken to confirm the feasibility of a conveyance pipeline to Waipawa rather against a full treatment plant upgrade to future proof Otane.

Following confirmation, this pipeline is planned to be undertaken in 3 stages;

1. 3200m of wastewater pipeline that runs parallel/ alongside with the new water pipeline (from January 2020 -> December 2020)

2. Resource consent amendment or new

2. The remaining pipeline to Waipawa WWTP, and pump station to deliver wastewater to Waipawa (from July 2021->)

Update - 25 July 2019

Following the inclusion of this plant in the wider wastewater scheme for Central Hawke's Bay. 

Council is currently investigating a pipeline from Otane to Waipawa, to initially join the Waipawa discharge once treated at Otane, and eventually to be treated at Waipawa.

Following successfully determining that this is the best option, council is planning to progress parts of this project with the Otane Alternate water supply to gain efficiencies and savings that can be made here.

Routes Otane to WPA Wastewater

Update - 05 April 2019

A copy of the updated resource consent can be found here: http://data.hbrc.govt.nz/consentdocuments/DP150206L.pdf

Significant work is underway regarding the future of the Otane wastewater plant via the wider Waipawa and Waipukurau wastewater upgrade project. 

Council expects to be in a position to provide further updates mid 2019 as we prepare to present our env court response by end of June 2019.

Update - 6 March 2019

Council is pleased to advise, on the 5th March 2019, Council received a 2 year extension to implement the discharge resource consent for the Otane wastewater treatment plant, this now allows council the opportunity to continue to investigate the inclusion of the Otane wastewater upgrades with the Waipawa and Waipukurau systems. This now allows Council until 31 March 2021 to implement the improvements to meet the new resource consent requirements.

This piece of work is well underway, and council is working with our community reference group to determine the best solution for these plants.

Council plans to be in a position in June 2019 to better understand the solution that will be progressed through to design and consenting.

Additionally, council will shortly be commencing an Infiltration and Inflow study in Otane to better understand the amount of stormwater currently getting into the wastewater networks. You can follow this piece of work at the following page

Update - 6 November 2018

Council submitted its extension application to Hawkes Bay Regional Council (HBRC) on Friday 2nd November 2018. This is following consultation with neighbours and original application submitters.

Following a supportive and positive response from those affected, council will work on reviewing options for Otane amongst the Waipukurau and Waipawa wastewater treatment plant project.

Council is also working on securing a contractor to undertake an infiltration and inflow (I&I) study in Otane, with a view to reduce the I&I in the Otane network and subsequently the volume the oxidation pond and future plants have to treat.

Infiltration is the seepage of ground water into the sewer system through defects in sewer piping or into loose sewer connections. Inflow is water or sewage draining directly into the sewer line through a sewer connection.

Further updates will be provided as this project progresses.

Update - 29th August 2018

otane upgrade

Central Hawke’s Bay District Council (CHBDC) are currently working through a project to upgrade the wastewater treatment plant in Otane, this involves upgrading the amount of waste the plant can treat and the quality of the water discharged. This is in line with a newly issued resource consent that requires upgrade of our plant to meet requirements.

We are currently reviewing our options before making a decision, and plan to involve the community in these decisions.

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