Case Study
Rock Ramp Fish Pass Sheep’s Green
Location
Cambridge
Date
Spring 2017
Client
Cambridge City Council
Stakeholders
Environment Agency
Tasks
- Modification River Cam off-take to provide multi-species fish passage
- Installation of automated sluice to control flows through fish pass
- Importing of over 1000 tonnes of aggregate and rock to site
- Construction of 70m rock ramp fish pass with two resting pools
- Restoration of 200m of river channel to improve in-stream habitat
- Installation of gravels and woody material
- Fish removal using Electric Fishing techniques
Key remarks
- Works undertaken safely in busy urban park
- Difficult city centre access, careful management of plant and material deliveries required
- As well as fish passage we worked with the client and designer to build in habitat improvements
Effects
- Improved multi-species fish passage
- Habitat improvement, and visibly enhanced fish community
- Enhanced amenity value, bringing the sound of running water to Cambridge City Center
Fish Pass design and installation is one of the many River & Wetland services we offer, contact us to discuss your project.
