WET News

wwtonline.co.uk | MAY 2018 WET NEWS 5 Scottish Water to spend £20M on Edinburgh network New mains to provide back-up supply to area S cottish Water is to improve its water supply network by installing almost seven miles of new mains to ensure a more resilient supply of fresh water in parts of Edinburgh and Livingston. The work will involve constructing a two-way treated water link between Marchbank water treatment works near Balerno and Glencorse water treatment works near to the Pentland Hills Regional Park. This will improve resilience of water supplies in Scotland's fastest-growing city by allowing customers to be supplied from two di- erent locations, providing a back-up if something were to go wrong with one supply. The extended network will also have the capacity to link to other existing and future water supplies across parts of the south of Scotland. The network expansion will be built in an area of the Pentland Hills. Construction, which will mostly take place on private land, is due to last up to two years. The work will be carried out by Scottish Water alliance partner Caledonia Water Alliance. Scottish Water's director of capital investment, Mark Dickson, said: "Interruptions to supply can have a signi‰ cant impact on our customers, with customers telling us that resilient supply is a big priority for them. "In order to keep delivering high quality, great tasting water to customers we now need to further improve the reliability and resilience of our water supply systems and this project will do just that for Edinburgh." Scottish Water has consulted with landowners and businesses in the Pentland Hills Regional Park area as well as a range of organisations including the Regional Park, Edinburgh City Council, the Ministry of Defence, Woodland Trust Scotland, Visit Scotland, Transport Scotland and SEPA. Scottish Water said it is committed to minimising disruption and will keep residents, businesses, landowners and land users – including hill walkers – noti‰ ed of where the work is being carried out and any diversions in place. The project is over and above a £29.5 million investment programme of works by Scottish Water to improve the Edinburgh's water and wastewater systems. That project is upgrading many miles of water mains network, to improve security of supply and provide clear, fresh drinking water and to upgrade the city's sewer network to improve the environment and reduce – ooding risks. Meanwhile, Scottish Water has completed a £10 million project to maintain and improve the environment of Stromness Harbour. The project, which was delivered by amey-Black & Veatch (aBV), saw a major upgrade to the local wastewater network, modernising the historic infrastructure serving the town and ensuring all Scottish Water sewers within Stromness are connected to the town's wastewater treatment works at Bu Point. The work involved the creation of an interlinked system of rising mains and gravity sewers, together with pumping stations, around the town's harbour-front. Steve Scott, regional community manager at Scottish Water, said: "The work that has been done in Stromness over recent years is important for the community's future and is delivering signi‰ cant improvement to the local environment. "Working in the heart of a historic community and a working port brings some challenges and we recognise that elements of the work have involved disruption – including restricted access, tides and laying new sewers in rock. "We are very pleased to have completed the work that was needed and would like to thank local residents and businesses for the great patience they have shown." Chris Wright, aBV's site manager, added: "Our team and our local contractors appreciate that our work has caused a fair degree of disruption in the town. We are very grateful for the understanding the community has shown to us while we got on with the job. "It is great to be able to mark the completion of the project, which represents the culmination of several years' work and will provide Stromness with the modern infrastructure it needs." HEAVYWEIGHT CHAMPION OF THE DRAINAGE WORLD CONCRETE When the going gets tough, the tough get concrete. Installation costs can be lower than lightweight systems, thanks to less reliance on expensive granular bedding and the labour-saving Pipe Lifter. And concrete's inherent strength and durability mean lower lifetime costs in terms of money and carbon. 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