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  • Writer's pictureIan

Our Work: London Aquatic Weed Clearance

Site: Central London

Date: April 2019 – October 2019, April 2020 – October 2020

Value: £300,000


The Rothen Group were asked by Canal & River Trust to assist with the management of weed along 20 miles of London’s waterways for 7 months.

The project involved:

  • Mobilising and operating up to 6 weed boats with experienced operators

  • Understanding access restrictions, working on busy navigational waterways and liaising with general public

  • Dealing with invasive species

  • ‘Innovative thinking’ and versatility to generate an effective & efficient standard of work resulting in high productivity

  • Designing our boats to be able to deal with floating weed, thick blankets of weed, submerged weed and marginal reeds

  • Being proactive with working to a set route & plan, but reactive to ‘hotspots’ around the capital

  • Daily and weekly reporting to liaise with CRT and other third parties

  • Alongside this we supplied tugs, hoppers & helmsman to move the collected weed around London ready for disposal.

  • We removed 6600m3 of weed (equivalent to 383 African elephants) & 400m3 rubbish in 2019

  • In 2020 we have successfully started composting the weed

Before & After
Before & After

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