Wastewater Interconnection Crucial For Nowra Bridge Construction

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Shoalhaven City Council’s Shoalhaven Water have recently completed a major sewer main diversion, required to help facilitate the construction of the new Nowra Bridge. The diversion was a complex task that was critical to ensure uninterrupted sewage flow and allowing Transport for NSW, Fulton Hogan and Mystold to continue with the Nowra Bridge development.

Shoalhaven City Council would like to commend their Shoalhaven Water staff on their involvement in a major sewer main diversion, required to help facilitate the construction of the new Nowra Bridge. Following months of planning with Transport for NSW, Fulton Hogan and Mystold the critical interconnection of the North Nowra Surcharge Main was completed overnight on 23-24 June.

The North Nowra Surcharge Main transports the entirety of North Nowra’s sewage flow to the Nowra Sewage Treatment Plant, requiring the intensive process to be completed during off peak hours. The works were undertaken to create the required working area for the new road lanes to be added onto Illarroo Road.

Shoalhaven City Council Mayor Amanda Findley is proud of the work the Shoalhaven Water team have undertaken.

“Thirteen Shoalhaven Water staff, along with head contractor, Fulton Hogan and their subcontractor successfully completed the work on the interconnection of the North Nowra Surcharge Main last week. The construction required Shoalhaven Water to manually operate pumping stations, draining the 3 kilometre long main with six pump out tankers.” Clr Findley said.

“Shoalhaven Water staff also oversaw construction of the interconnection before finally testing the main and bringing it back into service.” Clr Findley explained.

“I am proud to hear that even though this was a challenging job, the construction was successfully completed without a drop of sewage entering the Shoalhaven River, a testament to all involved.” Clr Findley said.

The works took eight hours to complete and were undertaken between 10pm and 6am to minimise disruption to the community.

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