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Motts to start grouting work on Sheffield reservoir

Yorkshire Water has announced that a Mott MacDonald Bentley JV will start work on its reservoirs in South Yorkshire.

The £6M of safety works to ensure the reservoirs continue to meet design standards and comply with safety legislation.

The work is being carried out at Dale Dike, Redmires Middle and Upper reservoirs on the edge of the Peak District near Sheffield, and Underbank reservoir near Stocksbridge.

At Dale Dike, Mott MacDonald Bentley will be grouting parts of the spillway and raising part of the masonry wall at the crest. Other work includes replacing decking along the bridge spanning across the overflow and repainting it’s cast iron sections.

Major work is being carried out at Redmires Upper Reservoir, west of Sheffield with piling being installed along part of the embankment and the construction of a new siphon to enable the water levels within the reservoir to be lowered safely if required.

When working on the upper reservoir, it will be emptied of its water and the middle reservoir will be lowered by three meters to ensure the safety of the onsite team. Once completed, work will begin on the middle reservoir to install new valves and again the reservoir will need to be fully emptied whilst it’s carried out.

The work at Redmires Upper and Middle Reservoirs will continue until the end of 2019.

Yorkshire Water is already onsite at Langsett reservoir carrying out similar work on a £0.5M project to raise one of the spillway walls.

All the projects are part of a £54M programme of work to maintain and improve its reservoirs between 2015 and 2020.

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