Case study:River Roding at Ray Lodge Park

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Location: 51° 36' 59.43" N, 0° 3' 11.60" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity, Hydromorphology, Social benefits
Country	England
Main contact forename
Main contact surname
Main contact user ID
Contact organisation	Environment Agency
Contact organisation web site
Partner organisations
This is a parent project encompassing the following projects	No

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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Site

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Name	Ray Lodge Park
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Single channel, Impounded, High width:depth
Reference morphology	Single channel, Sinuous, Pool-riffle
Desired post project morphology
Heavily modified water body	true
National/international site designation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology	Quick run-off
Dominant substrate	Bedrock
River corridor land use	Urban
Average bankfull channel width category	5 - 10 m
Average bankfull channel width (m)
Average bankfull channel depth category	0.5 - 2 m
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)	1.851.85 m³/s <br />1,850 l/s <br />
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)

Project background

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Reach length directly affected (m)	150 m0.15 km <br />15,000 cm <br />
Project started	2007/08/01
Works started	2007/10/01
Works completed	2008/01/01
Project completed
Total cost category	100 - 500 k€
Total cost (k€)	140 k€140,000 € <br />
Benefit to cost ratio
Funding sources	London Borough of Redbridge, Environment Agency

Cost for project phases

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

Reasons for river restoration

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Mitigation of a pressure
Hydromorphology	Channel pattern/planform, Quantity & dynamics of flow
Biology
Physico-chemical
Other reasons for the project	Landscape enhancement, Inter-tidal enhancement, Community demand

Measures

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Structural measures
Bank/bed modifications	Removal of revetments, Depth variations, Planting, Re-profiling
Floodplain / River corridor	Removal of embankments
Planform / Channel pattern	Creation of backwater, Creation of pond, Sinuosity
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other	Participation in maintenance, Consultation, Participation in design

Monitoring

Hydromorphological quality elements

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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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quality elements

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

Physico-chemical quality elements

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quality elements

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

Any other monitoring, e.g. social, economic

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Element	When monitored		Type of monitoring		Control site used	Result
	Before measures	After measures	Qualitative	Quantitative
Public Accessibility		Yes	Yes			Improvement

Monitoring documents

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Image gallery

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Additional links and references

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Link	Description

Supplementary Information

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