Case Studies
Low Cost Baffle Installation, River Lambourn SAC
We carried out a project to install low cost recycled plastic ‘baffles’ onto an Environment Agency gauging weir on the River Lambourn SSSI / SAC at Welford in Berkshire to improve fish passage.
ViewRiver Restoration on the River Nar, Norfolk
Working for the Norfolk Internal Drainage Board to restore four reaches of the River Nar in and around Castle Acre. The River Nar is in a Site of Special Scientific Interest (SSSI).
ViewElectric Fishing Surveys
Our experienced fish survey team have delivered numerous electric fishing surveys across the UK in 2016.
ViewLake Fish Surveys – Invasive Species Investigation
The project aim was to investigate the presence / absence of invasive fish species in a number of South West Water’s assets using a range of fisheries survey methods.
ViewRiver Bulbourne Restoration, Hertfordshire
Chalk Stream restoration project on the River Bulbourne near Hemel Hempstead, re-grading and enhancing 2km of this important chalk stream habitat in an urban setting.
ViewAnton Lakes Weir Repairs
This project for Test Valley Borough Council involved repairs to an existing concrete weir structure in between two online lakes, replacement of failing oak revetments and installation of soft engineering solutions.
ViewRiver Wensum Restoration Works Phase 2
This is year 2 of a 3 year scheme to restore 6km of the upper Wensum in Norfolk, we worked with designers Atkins to utilise a range of restoration techniques to counteract historic management of this important chalk river.
ViewRiver Ash Weir By-pass, Surrey
This project successfully opened up and restored a by-pass channel to navigate impoundment structures and online lake on the River Ash in Surrey. This involved a range of techniques to increase fish passability and improve in stream habitat.
ViewHammer Stream River Restoration
These works were to improve in stream habitat and flood plain connectivity in a 900m section of the Hammer Stream near Biddenden, Kent. Five Rivers worked with our clients designs to install a meandering low flow channel in this previously canalised reach as well re-connecting the old course of the river to provide a natural flood management channel.
ViewRiverbank Protection Salisbury
We removed 200m of failing oak revetment and replaced with low level berm to provide more sustainable bank protection. In more shaded areas the revetment was replaced with heavy duty 50mm green oak.
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