Case study:Broadway Fields/ Seagers Distillary

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Location: 51° 28' 22.65" N, 0° 1' 20.17" W

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Project overview

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Status	Planned
Project web site
Themes	Economic aspects, Fisheries, Habitat and biodiversity
Country	England
Main contact forename	Peter
Main contact surname	Gray
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

Current state

Project summary

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The overall objective would be to restore the river channel throughout the park for the 85m length. Due to constraints set by DLR, this may mean leaving one river wall in place and up to half of the bed, however solutions will be available to soften both banks and generate a natural low flow channel. This is likely to be partially funded by the Seager Distillery section 106 agreement, however further funding will be required to complete the whole section of river. This site was cleared and developed into a public park, leaving an 8m boundary to the river for future river restoration works. The channel has a uniform concrete bed and banks and is semi-tidal. It is very shallow during low flow/low tide and could cause a barrier to fish migration. It is devoid of habitat. Start date governed by planning agreement (S106 Seager)

Monitoring surveys and results

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Pre-project data

Lessons learnt

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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 Ravensbourne (Catford to Deptford) Area category 100 - 1000 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) 132132 m <br />0.132 km <br />13,200 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Urban Waterbody ID GB106039023270 Other case studies in this subcatchment: Catford Greyhound Stadium, Cornmill Gardens (QUERCUS), Ladywell Fields (QUERCUS), Ladywell Fields Phase 2, Ladywell Fields to Cornmill Gardens, Ladywell Fields toeboarding, Lewisham College weir, Linear Park, QUERCUS Ravensbourne, Ravensbourne Tescos... further results Site Edit site Name WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Protected species present Invasive species present 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) 85 m0.085 km <br />8,500 cm <br /> Project started Works started Works completed Project completed Total cost category Total cost (k€) Benefit to cost ratio Funding sources S106 Seager 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 Barriers to fish migration Hydromorphology Channel pattern/planform, Quantity & dynamics of flow Biology Physico-chemical Other reasons for the project Community demand Measures Edit Measures Structural measures Bank/bed modifications Bank reprofiling, Removing of concrete structures Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) 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