December Newsletter - Oran Park and Harrington Park

Sydney Water has a long-term plan to increase resilience in our network and to extend the city’s water capacity and supply. As part of the Prospect to Macarthur (ProMac) program a new reservoir at Liverpool was constructed. Cecil Park reservoir was refurbished and upgrade works are now complete and two new reservoirs at Oran Park are under construction, to allow for a total of 100 megaliters of additional reservoir capacity. That’s equivalent to about 50 olympic-sized swimming pools!

Whilst we do our best at Sydney Water to minimise the impact on the local community, we appreciate the work we do can impact some more than others. We thank the Oran Park and Harrington Park communities for your continued support, patience and cooperation while we complete this essential work, to provide clean, reliable drinking water to the community.

Oran Park reservoir update

Since our last newsletter, principal contractor Vaughan Civil, have completed the following works at the Oran Park Reservoir site:

  • Construction of two steel reinforced concrete reservoir foundations.
  • Stair tower foundation.
  • Installation of a piled perimeter wall.
  • Pavement and sealing works.
  • Topsoiling and landscaping.

A new principal contractor has been appointed,CB&I Australia, to construct the two new reservoirs. Each reservoir will hold 24 megalitres of clean drinking water and will be 21m high and 42m in diameter. The completed reservoirs will connect to the Harrington Park Pump Station.

The holiday shutdown and work resumption

Work will cease at Oran Park on Wednesday 20 December 2023 resume on Wednesday 3 January 2024. Harrington Park will cease work on Friday 22 December 2023 and resume Monday 8 January 2024. During the shutdown, all ProMac worksites will be regularly inspected to ensure temporary fencing and environmental controls are secure. If you are concerned about the condition of the site during this break, please notify the community team who will be on-call over this period.

Sydney Water would like to take this opportunity to wish everyone Season’s Greetings and all the best for a safe and happy holiday season.

Out of hours work at Oran Park reservoir

As we progress tank construction, and finalise stormwater construction we will continue to occasionally work outside of our standard hours. Standard work hours are:

  • 7am to 6pm Monday to Friday
  • 8am to 1pm Saturday. We will not work on Public Holidays.

From 2 December 2023 to 25 February 2024 extended hours of operation will be in place on Saturday and Sunday, 8am to 6pm. A notification regarding these works was distributed to Oxley Ridge residents on 25 November 2023.

Harrington Park, pump station update

Contractor Downer is finalising the construction of a new pump station in Harrington Park which will connect Narellan South Reservoir to Oran Park Reservoir to meet increased demands from growth in South West Sydney. Once in operation, the pump station will service surrounding suburbs between the two reservoirs.

In the past few months we have connected the station to the mains line, installed station doors and completed key mechanical and electrical works.

Works to come in 2024

  • Flexible pavement and driveway construction.
  • Stormwater drainage works.
  • Security fence installation.
  • Landscaping and site restoration.
  • Construction of a 3m high noise wall.

When construction of Harrington Park Pump Station is complete, the team will leave the site until the Oran Park Reservoirs are constructed. A return to site will occur thereafter to complete the remaining commissioning activities, before bringing the station into operation.

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