Case study:Removal of Carleton Hall weir, Eamont Bridge, Penrith, Cumbria

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Location: 54° 39' 21", -2° 44' 13"
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Project overview

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Status Complete
Project web site http://www.edenriverstrust.org.uk/removing-weirs-eden
Themes Fisheries, Flood risk management, Habitat and biodiversity
Country England
Main contact forename Joanne
Main contact surname Backshall
Main contact user ID User:Joanne Backshall
Contact organisation Eden Rivers Trust
Contact organisation web site http://www.edenriverstrust.org.uk/
Partner organisations Environment Agency, Natural England, West Cumbria Rivers Trust, South Cumbria Rivers Trust
Parent multi-site project

Case_study:Cumbria River Restoration Strategy

This is a parent project
encompassing the following
projects
No
Removing Carleton Hall weir in the River Eamont, Eamont Bridge, Penrith, Cumbria 25 August 2016

Project summary

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Removing Carleton Hall weir in the River Eamont, Eamont Bridge, Penrith, Cumbria

This project is part of the Cumbria River Restoration Strategy (RRS), a partnership project involving the Environment Agency, Natural England and the three Cumbrian Rivers Trusts - Eden Rivers Trust, West Cumbria Rivers Trust and South Cumbria Rivers Trust. The Cumbria RRS aims to create a healthier and more sustainable environment for both people and wildlife.

A feasibility study of the removal of this weir was undertaken by JBA Consulting in 2016 to identify the most appropriate option. All the necessary permissions and consents were then obtained and extensive consultation was undertaken. Local contractors were employed to undertake the ground works in August 2016.

For more details and to see a film of the removal please see the project page on our website http://www.edenriverstrust.org.uk/removing-weirs-eden

Monitoring surveys and results

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Pre-removal surveys have been undertaken of the river for habitat, fish & native crayfish and post-removal survey work will be undertaken for comparison. Fixed point photographs will be used to monitor the visible physical effects on the river of removing the weir.

Lessons learnt

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The preparatory work for these weir removals involved:

- “Weir removal/modification Feasibility Appraisal” by JBA Consulting, covering hydrology, ecology, structure, services, contamination, cultural heritage and concept design. - Planning Permission application (16/0459). - Impoundment Licence application (NW/076/0006/005). - Environmental Permit application (EPR/RB3396JX). - Consultation and formal agreement with weir owners. - Consultation with local community groups, interest groups and Councillors. - Consultation with Local Authorities and other relevant statury agencies. - Appropriate survey and mitigation for otters, bats, trees, crayfish, fish and invasive species. - Design & tender of ground works. - Health & Safety requirements. - Construction Design & Management Regulations. - Pollution control measures. - Archaeological Watching Brief. - Monitoring. - Publicity.


Image gallery


Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria before removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria before removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria after removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria after removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria after removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria after removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria after removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria after removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria before removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria before removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria before removal
Carleton Hall weir, River Eamont, Eamont Bridge, Cumbria before removal
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Catchment and subcatchment

Catchment

River basin district Solway Tweed
River basin Eden and Esk

Subcatchment

River name River Eamont (Lower)
Area category 100 - 1000 km²
Area (km2)
Maximum altitude category 200 - 500 m
Maximum altitude (m) 288
288 m
0.288 km
28,800 cm
Dominant geology Siliceous
Ecoregion Great Britain
Dominant land cover Improved grassland
Waterbody ID GB102076070990



Site

Name River Eamont
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body No
National/international site designation
Local/regional site designations
Protected species present No
Invasive species present No
Species of interest
Dominant hydrology
Dominant substrate
River corridor land use
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Average bankfull channel depth (m)
Mean discharge category
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Average unit stream power (W/m2)


Project background

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Project started
Works started
Works completed
Project completed
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Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design
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Works and works supervision
Post-project management and maintenance
Monitoring



Reasons for river restoration

Mitigation of a pressure
Hydromorphology Channel pattern/planform
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Weir removal
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

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Physico-chemical quality elements

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Any other monitoring, e.g. social, economic

Element When monitored Type of monitoring Control site used Result
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Monitoring documents



Additional documents and videos


Additional links and references

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Supplementary Information

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