Case study:Bonesgate Phase 2

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Location: 51° 22' 7.96" N, 0° 16' 35.42" W

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Project overview

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Status	Complete
Project web site
Themes	Fisheries, Habitat and biodiversity, Social benefits
Country	England
Main contact forename	Joanna
Main contact surname	Heisse
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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Realignment and reprofiling of river bank to create a meander; creation of a fishing pond; habitat management to improve visibility and access along the river; improve the footpaths along the river. To improve the local area; to improve and restore the river and riverbanks to enhance the natural state of the stream and encourage indigenous flora and fauna to develop; to provide access and amenity value as well and improve views of the river. It is part of Surry Green Arc improvements. Phase 1 on the adjacent stretch of the Bonesgate was chosen as an exemplary project for the Green Arc.

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Thames River basin London Subcatchment River name Hogsmill Area category 10 - 100 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) 192192 m <br />0.192 km <br />19,200 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Suburban Waterbody ID GB106039017440 Other case studies in this subcatchment: Elmbridge Meadows, Hogsmill River Connectivity Project, Hogsmill Sewage Treatment Works phase 1, Moor Lane Allotments, River Hogsmill Restoration Project, Three Bridge, Kingston Site Edit site Name WFD water body codes GB106039017440 WFD (national) typology WFD water body name Hogsmill 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 Edit project background Reach length directly affected (m) 700 m0.7 km <br />70,000 cm <br /> Project started 2008/01/01 Works started Works completed Project completed Total cost category 100 - 500 k€ Total cost (k€) Benefit to cost ratio Funding sources 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 Edit reasons for restoration Mitigation of a pressure Hydromorphology Channel pattern/planform, Width & depth variation Biology Fish Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Bank reprofiling Floodplain / River corridor Creation of pond Planform / Channel pattern Creation of meanders Other Non-structural measures Management interventions Social measures (incl. engagement) Aesthetics, Improved public access Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit Physico-chemical 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 Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information