Case study:Inchewan Burn Bed restoration

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Location: 56° 33' 23.45" N, 3° 34' 53.83" W

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Project overview

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Status	Complete
Project web site	http://therrc.co.uk/rrc_case_studies1.php?csid=52
Themes	Hydromorphology
Country	Scotland
Main contact forename	John
Main contact surname	Monteith
Main contact user ID
Contact organisation
Contact organisation web site
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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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Catchment

River basin district	Tay
River basin	Inchewan

Subcatchment

River name	Inchewan Burn
Area category
Area (km2)
Maximum altitude category
Maximum altitude (m)
Dominant geology	Siliceous
Ecoregion	Great Britain
Dominant land cover	Urban, Woodland
Waterbody ID

Site

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Name	Birnam
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Single channel, Straight, Embanked, Revetments
Reference morphology	Step-pool, Pool-riffle, Single channel
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, Woodland
Average bankfull channel width category	2 - 5 m
Average bankfull channel width (m)
Average bankfull channel depth category	Less than 0.5 m
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

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Reach length directly affected (m)	100 m0.1 km <br />10,000 cm <br />
Project started	2007/09/01
Works started
Works completed	2007/11/01
Project completed
Total cost category	50 - 100 k€
Total cost (k€)	100 k€100,000 € <br />
Benefit to cost ratio
Funding sources	SEPA, Perth Council, SNH

Cost for project phases

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

Reasons for river restoration

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Mitigation of a pressure
Hydromorphology	Quantity & dynamics of flow, continuity of sediment transport, flow velocities.
Biology	Restore free passage for fish and provide new habitat opportunities in the immediate reach.
Physico-chemical
Other reasons for the project	Landscape enhancement

Measures

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Structural measures
Bank/bed modifications	Native tree planting, placement of boulders, concrete base for boulders. Bed lined with Reno (gabion) mattresses to prevent downcutting - overlapped to form a run/drop longitudinal profile, for energy dissipation.
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other

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
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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

Monitoring documents

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Image gallery

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Additional documents and videos

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Additional links and references

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Link	Description

Supplementary Information

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