Yorkshire Water is about to start work on a £800,000 spillway improvement project at the Damflask reservoir situated in the Peak District National Park near to the village of Low Bradfield.
Engineering specialists, Mott MacDonald Bentley (MMB), will start work on the spillway improvements at Damflask this month.
A spillway is an overflow structure which is used to control water flows into the area downstream of the reservoir. It is used when the reservoir is full, to pass floodwater safely, and in a controlled way downstream so water does not overtop the dam.
Initial work involves clearing vegetation and cleaning the spillway. MMB will then grout and re-point the spillway. Fittings in the valve towers and pipework in the embankment will also be replaced.
Jordan Langbridge, Yorkshire Water Project Manager said:
“The work will ensure that the spillway continues to carry out its role of protecting the reservoir embankment from flood erosion by safely diverting excess water flows away from the site.”
To enable the work to take place safely the water level in the reservoir will be maintained at its current level over the winter months so the reservoir will look lower than it normally would in winter. It will be left to fill up naturally after the work is complete – which is expected to take about 18 months.
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