London Aquatic Weed Clearance
Site:
London Aquatic Weed Clearance
Date:
October 2019 and 2020
Value:
The Rothen Group were asked by Canal & River Trust to assist with the
management of weed along 20 miles of London’s waterways for 7months
The Project
Mobilising and operating up to 6 weed boats with experienced operators
Understanding access restrictions, working on busy navigational waterways and liaising with the 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!) and 400m3 rubbish in 2019
In 2020 we have successfully started composting the weed
FEATURED CASE STUDY
Habitat Creation Coney Meadows, Droitwich
Coney Meadows is part of a nationwide project to restore the UK’s wetlands. Since the 17th century, large areas of reedbeds have been stripped and converted into agricultural land, massively reducing the number of habitats available for wetland animals.
FEATURED CASE STUDY
Changing the Shape of the River Derwent, Derby
Following the storm seasons of 2023 & 2024, the EA set out to review its impact on the UK’s waterways. The River Derwent in Derby was flagged after a sonar scan of its navigation identified a scour hole – a direct result of heavy rainfall pushing sediment downstream.
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