Use of Floating Pump for Site Dewatering Activities

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Over the winter period the project has had to manage water on the site. Due to the nature of the existing ground conditions, predominantly a Mercia Mudstone clay material, the run-off from excavation areas carries a heavy silt load.

To manage water on site, the project is utilising the permanent works drainage attenuation ponds, as well as temporary ponds, for the containment of run-off as required.

To manage water levels they need to pump water between ponds. To do this without pumping silt-laden water and clogging the pumps with silt from the bottom of these ponds, they have sourced from their supplier a floating pontoon to support the suction head of the pump just below the water’s surface in the ponds. The pontoon consists of a steel frame with sealed 45-gallon drums for flotation.

Footer Reference

Monitor Report. Balfour Beatty. Nottinghamshire. May 2021.

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About this entry

Published 6 September 2021
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Categories
Secondary containment,

Size of site
Medium,

Level of Best Practice
Best practice,

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Jack Endean
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