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Tunnel rehabilitation between Cremorne and Wollstonecraft to be completed this month
Share Tunnel rehabilitation between Cremorne and Wollstonecraft to be completed this month on Facebook Share Tunnel rehabilitation between Cremorne and Wollstonecraft to be completed this month on Twitter Share Tunnel rehabilitation between Cremorne and Wollstonecraft to be completed this month on Linkedin Email Tunnel rehabilitation between Cremorne and Wollstonecraft to be completed this month linkSydney Water awarded packages of work to Metrocorp Technologies in 2017 and 2019 to desilt and rehabilitate the Northern Suburbs Ocean Outfall Sewer (NSOSS) between Cammeray Golf Course, Cremorne, and Russell Street, Wollstonecraft, a total of 2.2kms. Around 200,000 man hours later, all repairs to the near century old sewer are set to be completed this month.
Staff faced 61m and 63m descents at the golf course and ANZAC Park sites respectively, so access was challenging and safety paramount. This was a project of big numbers. Around 800 tonnes of sand and other debris was removed, 1300 tonnes of shotcrete sprayed, and 500 tonnes of calcium aluminate cement applied as the strong acid-resistant top layer.
Critical Sewer Solutions in partnership with @Sydney Water continues to rehabilitate the NSOOS between Brightmore Reserve, Cremorne, and The Spit, Mosman.