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A company of the BRUGG Group
United States
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg
Eastside Catchments Gibraltar 2017 - Geobrugg Eastside Catchments Gibraltar 2017 - Geobrugg

Eastside Catchments Gibraltar

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Street
Sir Herbert Miles Road
ZIP code
GX11 1AA
Place
Gibraltar
Country/Region
United Kingdom
Year of installation
2017
Customer
Government Of Gibraltar
Engineering
Golder Associates
Contractor
CAN Geotechnical Ltd.
Protected object
Road, Touristic infrastructure, Residential area, Infrastructure
Systems
RXE-5000
Energy absorption capacity
5000 kJ
System height
7.0 m
System length
88 m
Corrosion protection
Galvanized, GEOBRUGG SUPERCOATING®
Situation

Following rockfall in 2015 Golder Associates undertook a design for rockfall mitigation measures to protect the road and residential properties below. The detailed rockfall analysis showed a requirement for protection from a 5000 kJ impact with a system height of 7 m.

Description

In December 2016 CAN Geotechnical were awarded the project to complete phase 1 of the works, a 40 m long and 7 m high 5000 kJ rockfall barrier. We supplied a RXE-5000 barrier. To enable future works to be completed more easily and without deconstructing the existing fence, we provided a solution for the end post to alllow for this.

Over several years and many projects Geobrugg has worked with both Golders Associates and CAN Geotechncial and a good relationship has developed.  This enabled all of the involved parties to work together to find a cost effective and buildable solution. 

The ground conditions on the eastside catchments are well known and extremly difficut to work within. To enable the works to be completed CAN Geotechnical had to carry out lots of temporary works and to use enlarged concrete bases for the fence posts.  Additionally CAN Geotechnical opted to terminate all ground anchors into reinforced concrete bases with wire rope eyes protruding for connection to Geobrugg U-brakes.

In Januray 2018 CAN returned to site to instal the remaining 48m of barrier.  The customised solution installed on the previous section worked perfectly enabling a smooth instalation and transition between the two barriers.

For this phase of works CAN built upon their knowledge of the ground conditions encountered last time and in conjunction with the designer were able to use a more conventional anchoring solution avoiding the need for the large concrete foundations beams and the temporary soil nailing required in the previous phase. This was no easy task however as it required drilling with a 115mm bit to install R51 Hollow bar, with the requirement to install permanent casing in the upper part to provide extra stability.

Your local contact

Head office and production
Head office and production
 
Natural Hazards
Geobrugg North America, LLC
22 Centro Algodones
Algodones NM 87001 / USA
Phone +1 505 771 4080

Contact form

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

Contact form

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

Contact form

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
Algodones NM 87001 / USA
Phone +1 505 771 4080
Mobile +1 505 400 0796

Contact form

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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