Case study:Brent Lodge Park Improvement

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Location: 51° 31' 18.07" N, 0° 21' 8.93" W
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Project overview

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Status Planned
Project web site
Themes Economic aspects, Environmental flows and water resources, Habitat and biodiversity
Country England
Main contact forename Neale
Main contact surname Hider
Main contact user ID
Contact organisation Environment Agency
Contact organisation web site http://www.gov.uk/government/organisations/environment-agency
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects
No
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Project summary

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Aiming to encourage the River Brent back along the original channel route through Brent Lodge Park.

Aim of scheme:
- enhancement of tidal defences
- conservation enhancements
- recreation provision
Work undertaken:
- cleaning up of existing foreshore
- creation of new shingle beach
- attachment of horizontal and vertical timbers to promote algal growth
- reed planting in Bullhead dock
- reducing size of jetty increasing direct light to the foreshore

Neale Hider: 07/01/2009 “The Brent Lodge Park river restoration is more like an improvement after our consultation with Jacobs. We cannot reinstate the double meander (original course) as originally planned due to the contaminated waste that it had been back filled with. Instead we have outlined a different course for the meander to run (and break the river away from its current straight path) while retaining the old channel as a backwater/flood relief channel.”

Monitoring surveys and results

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Photographs pre-works
Pre-project data: specify above

Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Thames
River basin London

Subcatchment

River name Brent (below Silk stream down to the Thames)
Area category 100 - 1000 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 130130 m <br />0.13 km <br />13,000 cm <br />
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Suburban
Waterbody ID GB106039023590



Other case studies in this subcatchment: Boston Manor, Brent River Park Phase II, Clitherow's Island, Brentford eel pass, Osterley Weir, Hanwell eel pass, Stonebridge Estate, Stoney Sluice, Brentford eel pass, Thames Lock Weir, Brentford eel pass


Site

Name
WFD water body codes GB106039023590
WFD (national) typology
WFD water body name Brent (below Silk stream down to the Thames)
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
Average bankfull channel width category
Average bankfull channel width (m)
Average bankfull channel depth category
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)


Project background

Reach length directly affected (m) 500 m0.5 km <br />50,000 cm <br />
Project started 2008/01/01
Works started
Works completed
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
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Cost for project phases

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



Reasons for river restoration

Mitigation of a pressure Pollution incident
Hydromorphology Channel pattern/planform, Quantity & dynamics of flow, Width & depth variation
Biology
Physico-chemical Nutrient concentrations
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Deculverting, Removing of concrete structures
Floodplain / River corridor Reedbed creation
Planform / Channel pattern Creation of backwater
Other
Non-structural measures
Management interventions
Social measures (incl. engagement) Aesthetics
Other


Monitoring

Hydromorphological quality elements

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

Biological quality elements

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


Monitoring documents



Additional documents and videos


Additional links and references

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Supplementary Information

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