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Scottish Water to start work on £30M project

Scottish Water is to improve services to more than 54,000 people in parts of the Bearsden, Milngavie, Clydebank and Strathblane areas.

Scottish Water's Paul Sexton (left) with project manager Graham Waley (photo credit: SNS)Scottish Water's Paul Sexton (left) with project manager Graham Waley (photo credit: SNS)

The utility will do so by changing the source of its water supply from Burncrooks Water Treatment Works in West Stirlingshire to Milngavie WTW in East Dunbartonshire.

The £30 million project will involve the installation of around 8 miles of new water mains, the transfer of supply from Burncrooks WTW to Milngavie WTW and the decommissioning of Burncrooks WTW.   

Burncrooks WTW, in the Kilpatrick Hills near Strathblane, has served the area well but was built in the late 1950s and is not suitable in the long-term to meet stringent water quality standards.

Milngavie WTW, which was opened in 2007, is a state-of-the art WTW that already serves about 700,0000 across much of the Greater Glasgow area.

The investment will enable Scottish Water to supply customers with water from more than one WTW, Milngavie or Balmore WTW near Torrance, and that increased connectivity will provide improved resilience and reduce the risk of disruption to normal water supplies.

The work will be carried out for Scottish Water by its alliance partners Caledonia Water Alliance (CWA) and is expected to be completed in around two years.

The main 4.3 mile  section of new plastic twin-pipe water main, which will be 560 millimetres in diameter, will be installed from Bankell Service Reservoir in the east to Baljaffray Service Reservoir in the west.

The full 8 miles of water main will also include a second stretch of 3.5 miles of 250mm pipe to be installed from near Baljaffray to Carbeth, where it will connect to the existing network.

This new main, which will also be plastic, will replace an existing stretch of old 21 inch main, which has a history of bursts, providing improved security of supply.

More than 80 per cent of the pipe route will be installed on private land, rather than under public roads and footpaths, to reduce inconvenience for the public.

Paul Sexton, Scottish Water’s alliance management general manager, said: “We are delighted to be starting this important project, which will benefit more than 54,000 customers for many years to come.

“Switching supply from the ageing Burncrooks Water Treatment Works to the state-of-the-art Milngavie WTW will enable us to continue providing high-quality water to thousands of domestic properties and businesses and a large number of public buildings including more than 30 schools in three local authority areas and hospitals such as the Golden Jubilee in Clydebank.”

Roseanna Cunningham, Cabinet Secretary for Environment, Climate Change and Land Reform, said: “I welcome Scottish Water’s announcement of £30 million investment into the drinking water infrastructure for parts of the Bearsden, Milngavie, Clydebank and Strathblane areas, which will secure a high-quality water supply into the future. Importantly, the installation of new pipes will also improve the resilience of the network and security of supply so this is great news for the tens of thousands of customers in these areas.”

The pipes will be installed by CWA using mainly the open-cut method of excavation.

Several other alternative routes for the pipe were considered, including through more built-up areas of Milngavie and Bearsden, but this route was selected for a number of reasons, including minimising disruption.

Scottish Water will construct a pumping station at Bankell to pump the water along the new water mains.

Author: Robin Hackett, editor, WWT
Topic: Treatment , Drinking water quality , Pipes & Pipelines
Tags: Scottish Water , water treatment , Pipes , resilience , Water Quality


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