Scottish Water is fast-tracking a £10 million+ sewer main upgrade following a spate of bursts.
The first phase of the more-than £10 million investment to upgrade a strategic rising sewer main between Renfrew and Glasgow is nearing completion.
The lining was drawn through the existing rising main pipe via access pits, effectively forming a new pipe inside the old.
Beginning in February, engineers set up a temporary overland pipeline to carry the pressurised flows of waste water while the existing underground pipe was relined.
Over 800metres of sewer rising main have now been successfully upgraded and final pressure testing is underway.
Scottish Water Alliance Manager Robert Archer said:
“Once the pressure testing has been successfully completed, new segments of pipe will be installed at each of the six openings that were made to reline the existing pipe.
“Flows will then be transferred from the overland temporary pipe to the newly lined underground rising main and the bypass pipe will be removed and the areas reinstated.”
The project has been fast-tracked following a spate of bursts. The first phase on King’s Inch Road deals with the most burst-prone section while further phases to upgrade the upstream sections will be progressed over the coming months.
Robert Archer added:
“This is a tried and tested method to deliver the resilience required as quickly as possible with as little disruption as possible and we are grateful to everyone affected for their patience and co-operation.
“Scottish Water is investing huge sums - over £2.5 billion in the past 10 years – on similar projects across the country to tackle the challenges of ageing infrastructure, climate change and increasing demand.”
The project is being delivered by the water company’s alliance partner Caledonia Water Alliance and their specialist contractors.
The first phase is expected to be completed by November 2024.
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