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Client: Thames Water’s Sewage Treatment Works
Project: Installation of the UK’s largest Escalator Screens for UK’s largest sewage treatment works
Project partners: Laing O’Rourke

Located in the London Borough of Newham, treating daily sewage from 3.4 million Londoners, Thames Water’s sewage treatment works at Beckton is the largest sewage treatment works in the UK. As part of a major programme of extension and upgrade of these works, undertaken by primary contractor, Laing O’Rourke, Longwood Engineering was awarded the contract to install a total of 8 new Escalator Screens. The contract was awarded in October 2007 and completed in March 2009.

Weighing 12 tonnes each and measuring 2.85m wide by 5.8m deep, these were the largest Escalator Screens ever manufactured by Longwood Engineering at the time of installation. In order to meet increased volumes of waste, the screens are designed to each handle a flow of 4,500 litres per second and are installed at a 45 degree incline for maximum screening area. Each screen was also fitted with dual speed motors, to enable waste to be removed at a faster rate in times of storm. Six of the screens were located inside and had to be manufactured in modular form to ensure they would go into the building, while the other two were located outdoors, with the additional capability of being pivoted out of the floor to act as an emergency bypass.

Longwood Engineering originally installed Storm Screens at Beckton in 2006 and also 12 Escalator Screens to Thames Water’s sewage treatment works at Mogden in 1999. Altogether, Longwood Engineering have now installed over 1100 Escalators worldwide.

Says Mike Ellis, Project Manager, Laing O’Rourke:

“We chose to work with Longwood Engineering due to their renowned expertise in providing bespoke screening and screening handling solutions along with their proven track record, having previously supplied screens for Thames Water. The new screens are continuing to meet expectations and are operating well. Both Laing O’Rourke and Thames Water are very happy with Longwood Engineering’s management of this part of the project.”

 

 

International Safety Awards 2017

15/03/2017

Longwood Engineering Wins a Pass in the 2017 International Safety Awards

  Longwood Engineering has once again been presented with an International Safety Award in recognition of its...

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