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Matapihi Wastewater Scheme

We’re connecting Matapihi community facilities and nearby properties to the public wastewater network.

Properties within Matapihi are currently zoned rural or rural marae community, which usually means they aren’t eligible to connect to the public wastewater network. However, Council has agreed to connect the community’s two marae, the kura and kohanga reo to the network in recognition of the impact of the Southern Pipeline project through Matapihi. Some properties at the end of Matapihi Road will also be connected subject to confirmation in the Long Term Plan 2018/28.  

There are also environmental benefits to moving these high-use community facilities away from relying on septic tank systems. 

Connection to the public wastewater network is dependent on the commissioning of the Southern Pipeline which is due towards the end of 2018. 

About the pump stations

The Matapihi Wastewater Scheme involves installing a small pump station in each property which will replace the current septic tank or on-site wastewater system.

The pumping station will take all liquids from the toilet, sink, shower, bath, dishwasher and washing machine, and transfer all the waste off the property – through a network of pipes – to the Te Maunga Wastewater Treatment Plant.

3D Simplex System

Removing wastewater away from the property for treatment at a centralised treatment facility has a number of environmental benefits to the area and the community.

What you can expect to see in the coming months:

Public works (September – November 2018)

Work on the public roads will be restricted to the road reserve and will involve installing the main pipelines. This will be mostly drilling work – similar to having fibre installed.  

Summer break (December 2018 – January 2019)

No construction work on residential properties in December and January to allow residents to enjoy their summer break. 

Private works (February – June 2019)

Connections to private properties will commence from February with all properties connected by end of June. Contractors will need to work on individual properties to install the pump chamber, pipework and electrical connection and to decommission the existing septic tank. We will work with residents to ensure this work is as non-invasive as possible.

Timing of community facility work – to be confirmed

Timing of construction at the two marae, kura and kohanga reo will be carried out in consultation with these properties.

Frequently asked questions

A: Community facilities in Matapihi are being connected to the public wastewater network, as well as some other properties between the two marae. The main properties to be connected are Hungahungatoroa Marae, Waikari Marae, the kura and the kohanga reo. Some properties at the end of Matapihi Road will also be connected subject to confirmation in the Long Term Plan 2018/28. Small pump stations will be installed underground at each property. These will be connected to Council’s pipeline network and replace the current septic tank or onsite wastewater system.

 

A: Properties within Matapihi are zoned rural or rural marae community, which usually means that they aren’t eligible to connect to the public wastewater network. However, Council has agreed to connect the community’s two marae, kura and kohanga reo to the wastewater network because there are environmental benefits to moving these high-use facilities away from relying on septic tank systems.

The new Southern Pipeline wastewater project will make it possible to connect the marae and kura facilities to the network, provided a smaller wastewater pipeline is installed between the two marae. Through conversations with the Matapihi community, Council also agreed to offer wastewater connections to other properties in the marae zone where they are near enough to access the smaller pipeline.

Meanwhile, challenges with the Southern Pipeline construction have led to long delays that continue to directly impact people living in six properties at the end of Matapihi Road. To acknowledge the prolonged disruption to these properties, Council has recently agreed to connect them to the wastewater network at the same time.

A: The pump station takes wastewater away from the property to be processed at the Te Maunga Wastewater Treatment Plant, so that individual septic tanks or onsite wastewater systems will not be required. Removing wastewater away from the property for treatment at a centralised treatment facility has a number of environmental benefits to the area and the community.

A: The Matapihi Wastewater Scheme is a low-pressure sewer system. This type of system is particularly well suited to service lower density housing areas. The scheme is highly resilient and similar types of system are being used successfully in areas such as Christchurch, Rotorua, Maketu and Te Puna.

A: Tauranga City Council will be responsible for maintaining the pump station and its connection to the public wastewater network. In agreeing to connect to the scheme, landowners have also provided their permission for Council (subject to reasonable notice) to access their property to inspect, repair or maintain the infrastructure.

A: Typically, it will cost a property owner about $18,000 (development contribution and connection costs) to connect to the public network. However, landowners who have already opted to connect to the Matapihi Scheme will pay a discounted connection fee of $500. Owners will be sent an invoice to pay by 30 November 2018.

A: Residents who connect their properties to the Matapihi Wastewater Scheme will pay an annual wastewater charge as part of their rates. The residential Wastewater Uniform Annual Charge is set by Tauranga City Council at $384.82 (plus GST) for the 2018/19 financial year (Draft Long Term Plan 2018/28). You will only be charged this from 1 July following connection.

Operations and maintenance costs are included in the annual wastewater charge. Running the low-pressure pump will also contribute to the property’s electricity bill. This cost is estimated at about $20-$40 per year for a typical four-person household.

A: Contractors will need to complete the following steps for each property connecting to the Scheme:

  1. Site investigations at each property to survey the site, take photos, determine the location of the pump station and electrical control unit and to determine the most appropriate connection requirements for the existing on-property drainage system. This work will require access to the property’s internal electrical switchboard.
  2. Install the new pump station
  3. Install a small diameter pipeline from the pump station to the property boundary.
  4. Install a boundary control box (similar to a water meter box) on the property boundary
  5. Install a control panel on the outside wall of the property and lay an electrical cable from the control panel to the pump station.
  6. Connect the existing property drainage system into the new pump station. This may include minor upgrades to the existing pipework.
  7. Emptying, disconnecting and backfilling the existing septic tank.
  8. Additional site inspections during the works to assess work and confirm remaining stages
  9. Remediation of the property back to its original, or improved, condition once works are complete. This process is expected to take up to two weeks to complete per property – subject to weather, site constraints and other conditions.

A: Work on the public roads will be restricted to the road reserve and will involve installing the main pipelines. Council expects this work will begin in September 2018 and be completed by the end of November 2018. This will be mostly drilling work – similar to having fibre installed.

Connections to private properties will commence from February 2019 with all properties connected by end of June 2019. Contractors will need to work on individual properties to install the pump chamber, pipework and electrical connection and to decommission the existing septic tank. We will work with residents to ensure this work is as non-invasive as possible.

There will be no construction work on residential properties in December and January to allow residents to enjoy their summer break.

Timing of construction at the two marae, kura and kohanga reo will be carried out in consultation with these properties.

Connection to the public wastewater network is dependent on the commissioning of the Southern Pipeline which is due towards the end of 2018

A: The pump station receives all waste liquids from the toilet, sink, shower, bath, dishwasher and washing machine from your property. It grinds up any solids and then transfers all the waste off your property, through a network of pipes, to the Te Maunga Wastewater Treatment Plant.

A: The pump stations are very quiet, the pump that pumps the wastewater is located at the bottom on the pump chamber (wet well) which is around 2 metre below ground level.

A: You should not notice an odour when your unit is operating normally, as the waste is automatically pumped from the chamber each day.

A: Pump stations are usually installed near or close to the original septic tank location so that the existing drainage pipelines can be diverted into the new station. The final location selected will also need to consider on-site constraints. Along with the pump station there is a small control panel which will be mounted on an outside wall of the dwelling. The pump station protrudes from the ground by approximately 50-75mm in height and is 600mm in diameter, with a typically green lid to suit garden and lawn areas.

A: Pump operation is dependent on the wastewater production from the dwelling. During peak times typically, the pump will start more frequently between three and five times per day in an average property with a run time of 1-3 minutes per cycle.

A: There are ongoing requirements related to maintaining the system, which include monitoring of the pump operation and tank levels for overflows. The individual pumping stations do not require maintenance, unless a blockage occurs. In this case an alarm will sound to let you know there is an issue. The pump station will connect to Council’s remote monitoring service to allow for off-site monitoring by staff.


Last Reviewed: 15/06/2018
 

Want to discuss further?

If you have any questions about this project please contact Project Manager, Kristina Hermens, by phone on 07 577 3998 or by emailing kristina.hermens@tauranga.govt.nz

 

 
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