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A BRUGG GROUP COMPANY
Etats-Unis

Kelowna

West Side Road, West Kelowna, BC, Canada
2017
Client
British Columbia Ministry of Transportation and Infrastructure
Ingénierie
Ecora Engineering and Resource Group Ltd.
Autres sociétés participantes
Western Geohazard Solutions Inc.
Objet protégé
Route/Rue, Infrastructure
Hauteur du système
3.0 m
Longueur du système
15 m - 20 m
Protection anticorrosion
GEOBRUGG SUPERCOATING®
Situation de départ

British Columbia Ministry of Transportation and Infrastructure (BCMoTi) is improving the West Side Road in stages since 2014. For a certain section along the road an attenuator was favored instead of draped mesh.

Rockfall impact attenuators intercept the trajectory, reduce potential bounce height, and dampen the rockfall velocity, therefore, attenuate the total kinetic energy of rockfall.

A controlled guiding of the rock(s) to a designated collecting area limits costly clean-outs in difficult terrain. This type of easy to install, low maintenance, passive rockfall mitigation system is increasing in popularity worldwide.

Description

Geobrugg North America, LLC offered a proprietary attenuator system that fulfilled the BCMoTi's requirements. Ecora Engineering and Resource Group Ltd. was retained to be the Engineer of Record (EoR) specifically for the attenuator installation. Ecora confirmed the system location, dimensioned the system anchors, assured quality control of the installation and also submitted the record drawings. Geobrugg supplied a qualified, experienced representative to advise the contractor on installation procedures. Little Rock Drilling and Blasting Ltd. were contracted to perform the installation work.

The attenuator was installed on a rock-cut approximately 20 m above the West Side Road.  Above the attenuator system, 30 m to 60 m of natural rock bluff represent a significant source of rockfall. By installing the attenuator close to the road, several advantages are highlighted: a large amount of mesh is saved when not draping the whole slope but allowing for some rockfall to be intercepted by the attenuator and then guided to the ground; furthermore, the attenuator could be located within the BCMoTi right-of-way, eliminating the need to access and construct on private land; finally maintenance is kept at a minimum thanks to the road's proximity.

It is easy to install with one single mesh type. No need to mix or layer meshes which takes time, waists material and increases exposure to workers. The mesh is simply attached to support rope with a Helix Coil or seaming rope.

Votre contact local

Kevin H. Coyle
Kevin H. Coyle
Regional Manager Northeast
Natural Hazards
Geobrugg North America, LLC
3 Beaudet Terr
Columbia CT 06237 / Etats-Unis
Téléphone +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 / Etats-Unis
Téléphone +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 / Etats-Unis
Téléphone +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 / Etats-Unis
Téléphone +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
Téléphone +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 / Etats-Unis
Téléphone +1 503 423 7258

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