Case study:Lidl: Difference between revisions

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{{Project overview
{{Project overview
|Status=Complete
|Status=Planned
|Themes=Economic aspects, Environmental flows and water resources, Fisheries, Flood risk management, Habitat and biodiversity, Social benefits
|Country=England
|Country=England
|Main contact forename=Joanna
|Main contact forename=Joanna
|Main contact surname=Heisse
|Main contact surname=Heisse
|Contact organisation=Environment Agency
|Contact organisation=Environment Agency
|Contact organisation url=www.gov.uk/government/organisations/environment-agency
|Partner organisations=Environment Agency (in an advisory role), Lidl, Quaggy Waterways Action Group
|Multi-site=No
|Multi-site=No
|Project summary=Options for removal or modification/lowering to increase fish passage and create intertidal habitat upstream. Lewisham College half tide weirs at top of Deptford Creek. Concrete raised channel above, intertidal mudflat of creek below. Barrier to fish migration at low states of tide and overtops at high water.
|Project summary=Retreating flood defence to create a natural bank; installing in channel gravels; creation of marginal habitat including reedbed; installation of coir rolls; educational signage; buffer zone planting. To enhance the river as part of the redevelopment of the site and comply with current policy and legislation to improve the environment as part of the planning process. This is also in line with long term aims to improve the River Quaggy which is currently channelised and heavily engineered.
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}}
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{{Case_study_subcatchment
{{Case study subcatchment
|Subcatchment=
|Subcatchment=Quaggy
   
   
   
   
   
   
     
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{{Site
{{Site
|Name=
|WFD water body code=GB106039023290
   
|WFD water body name=Quaggy
   
|Heavily modified water body=No
     
|Protected species present=No
|WFD water body code=
|Invasive species present=No
     
|WFD (national) typology=
     
|WFD water body name=
     
|Pre-project morphology=
     
|Reference morphology=
     
|Heavily modified water body=
     
|Local site designation=
     
|Site designation=
     
|Protected species present=
     
|Invasive species present=
     
|Species=
     
|Dominant hydrology=
     
|Dominant substrate=
     
|River corridor land use=
     
|Average bankfull channel width category=
     
|Avrg bankfull channel width=
     
|Average bankfull channel depth category=
     
|Avrg1 bankfull channel depth=
     
|Mean discharge category=
     
|Mn discharge=
     
|Average channel gradient category=
     
|Avrg channel gradient=
     
}}
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{{Project_background
{{Project background
|Reach length directly affected=
|Reach length directly affected=126 m
   
|Project started=2008/01/01
   
|Funding sources=Part of planning application and development of site.
      126 m
|Project started=
      2008/01/01
|Works started=
     
|Works completed=
     
|Project completed=
     
|Total cost category=
     
|Total1 cost=
     
|Funding sources=
     
|Investigation and design cost category=
     
|Invst and design cost=
     
|Investigation and design Lead organisation=
     
|Investigation and design Other contact forename=
     
|Investigation and design Other contact surname=
     
|Stakeholder1 engagement cost category=
     
|stk engagement cost=
     
|Stakeholder engagement Lead organisation=
     
|Stakeholder engagement Other contact forename=
     
|Stakeholder engagement Other contact surname=
     
|Works1 and supervision cost category=
     
|Wrk and supervision cost=
     
|Works and supervision Lead organisation=
     
|Works and supervision Other contact forename=
     
|Works and supervision Other contact surname=
     
|Post-project1 management and maintenance cost category=
     
|Post-project2 management and maintenance cost=
     
|Post-project management and maintenance Lead organisation=
     
|Post-project management and maintenance Other contact forename=
     
|Post-project management and maintenance Other contact surname=
     
|Monitoring1 cost category=
     
|Monitoring2 cost=
     
|Monitoring Lead organisation=
     
|Monitoring Other contact forename=
     
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|Supplementary funding information=
     
}}
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{{Motivations
{{Motivations
|Hydromorphological quality elements=
|Specific mitigation=Flood risk management
   
|Hydromorphological quality elements=Channel pattern/planform, Width & depth variation
   
     
|Biological quality elements=
     
|Physico-chemical quality elements=
     
|Specific mitigation=
     
|Other motivation=
     
}}
}}
{{Measures
{{Measures
|Bank and bed modifications measure=
|Bank and bed modifications measure=Installation of coir rolls, Introduction of gravel,
   
|Floodplain / River corridor=Habitat creation, Reedbed creation, Tree management
   
|Social measures=Community Education,
     
|Floodplain / River corridor=
     
|Planform / Channel pattern=
     
|Other technical measure=
     
|Management interventions=
     
|Social measures=
     
|Wider stakeholder / citizen engagement=
     
}}
}}
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{{Hydromorphological_quality_elements_header}}

Latest revision as of 15:10, 6 June 2017

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Location: 51° 27' 37.41" N, 0° 0' 21.84" W
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Project overview

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Status Planned
Project web site
Themes Economic aspects, Environmental flows and water resources, Fisheries, Flood risk management, 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 Environment Agency (in an advisory role), Lidl, Quaggy Waterways Action Group
Parent multi-site project
This is a parent project
encompassing the following
projects
No
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Project summary

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Retreating flood defence to create a natural bank; installing in channel gravels; creation of marginal habitat including reedbed; installation of coir rolls; educational signage; buffer zone planting. To enhance the river as part of the redevelopment of the site and comply with current policy and legislation to improve the environment as part of the planning process. This is also in line with long term aims to improve the River Quaggy which is currently channelised and heavily engineered.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Thames
River basin London

Subcatchment

River name Quaggy
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 135135 m <br />0.135 km <br />13,500 cm <br />
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Suburban
Waterbody ID GB106039023290



Other case studies in this subcatchment: Colfes School, Manor House Gardens, Manor House Gardens Gauging Station, Manor Park, Mottingham Farm, Quaggy Flood Alleviation Scheme, Quaggy channel improvements, River Quaggy- Chinbrook meadows, Sutcliffe Park, Sydenham Cottages Nature Reserve


Site

Name
WFD water body codes GB106039023290
WFD (national) typology
WFD water body name Quaggy
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) 126 m0.126 km <br />12,600 cm <br />
Project started 2008/01/01
Works started
Works completed
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources Part of planning application and development of site.

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 Flood risk management
Hydromorphology Channel pattern/planform, Width & depth variation
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Installation of coir rolls, Introduction of gravel
Floodplain / River corridor Habitat creation, Reedbed creation, Tree management
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement) Community Education
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
Before measures After measures Qualitative Quantitative

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

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

Link Description

Supplementary Information

Edit Supplementary Information