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A company of the BRUGG Group
United States
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg
Cwmavon Landslide 2018 - Geobrugg Cwmavon Landslide 2018 - Geobrugg

Cwmavon Landslide

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Street
B4286 Cwmavon Road
ZIP code
SA12 9DJ
Place
Cwmavon, Neath Port talbot
Country/Region
United Kingdom
Year of installation
2018
Customer
Neath Port Talbot county borough council
Engineering
Remedy Geotechnics
Contractor
Quantum Geotechnical
Other participating companies
iBEX technical access
Protected object
Road, Residential area, Infrastructure
Systems
TECCO® GREEN G65/3
Corrosion protection
GEOBRUGG SUPERCOATING®
Stabilized area
1800 m²
Maximum slope height
45 m
Slope inclination
60 ° - 70 °
Greening
Yes
Erosion control mat
Yes
Exposition
South-East
Geology

Brithdir Member - Sandstone. Sedimentary Bedrock formed approximately 308 to 310 million years ago in the Carboniferous Period.

These sedimentary rocks are fluvial in origin. They are detrital, ranging from course- to fine-grained and form beds and lenses of deposits reflecting the channels, Floodplains, and levees of a river.

Initial situation

After prolonged periods of heavy rain and strong winds a large quantity of material was mobilised from the slope down onto the B4286. The road was closed for safety concerns whilst any remaining material was removed by hand. Traffic management was then installed and the road was re-opened as a single lane under traffic management.

Working closely with the local borough council, Geotechnical contractor Quantum Geotechnical and specialist rope access teams at iBEX a provisional stabilisation solution was put forward. This stabilisation utilised the excellent properties of TECCO® GREEN for both strength and greening capabilities. Quantum Geotechnical employed Remedy Geotechnics to ensure the provisional design was suitable, and all was agreed.

Description

After harvesting of all trees on the full slope and specialist removal of tree stumps and roots on the slip plane, drilling works started from top down. In total 19 rolls of TECCO® GREEN, were installed with 150 soil nails.

Your local contact

Kevin H. Coyle
Kevin H. Coyle
Regional Manager Northeast
Natural Hazards
Geobrugg North America, LLC
3 Beaudet Terr
Columbia CT 06237 / USA
Phone +1 860 377 3230

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Saleh Feidi
Saleh Feidi
Regional Manager California
Natural Hazards
Geobrugg North America, LLC
8921 Emperor Ave.
San Gabriel, California 91775 / USA
Phone +1 909 706 8964

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John Kalejta
John Kalejta
Regional Manager Central US
Natural Hazards
Geobrugg North America, LLC
3215 67th Avenue Pl
Greeley CO 80634 / USA
Phone +1 505 220 1404

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Bob Lyne
Bob Lyne
Regional Manager Southeast
Natural Hazards
Geobrugg North America, LLC
8004 Windspray Drive
Summerfield NC 27358 / USA
Phone +1 336 337 0945

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Pierce Runnels, Civil Engineer
Pierce Runnels, Civil Engineer
General Manager Geobrugg North America
Natural Hazards
Geobrugg North America, LLC
22 Centro Algodones
Phone +1 505 771 4080
Mobile +1 505 400 0796

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Tim Shevlin
Tim Shevlin
Sales Director
Natural Hazards
Geobrugg North America, LLC
4676 Commercial St. SE, PMB 174
Salem OR 97302 / USA
Phone +1 503 423 7258

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