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A BRUGG GROUP COMPANY
USA

Ambolighat, Maharashtra

Amboli - Akeri Belgaum Road, Amboli, Maharashtra, 416510, Ambolighat, Maharastra, Indie
2014
Inwestor
Public Works Department, Sawantwadi
Wykonawca
Pioneer Foundation Engineers Pvt. Ltd., Mumbai
Chroniony Objekt
Road
Ochrona przeciwerozyjna
GEOBRUGG SUPERCOATING®
Zabezpieczona powierzchnia
1224 m²
Wysokość skarpy
95 m
Nachylenie skarpy
85 ° - 90 °
Wystawy
North
Sytuacja początkowa

The Akeri-Amboli-Belgaum road is an important state highway (SH 121) which connects Kolhapur to Belgaum. The project location at km 51+800 is also a tourist attraction during the monsoon season because of a famous waterfall and its scenic beauty surrounding the area.

Due to frequent rockfalls and landslides in 2010, 2011 and 2012 at this location during the monsoon season the state highway is often closed for several days which severely affects the economy and day to day life of the nearby cities like Sawantwadi, Kolhapur, Amboli, etc. During the rockfall event of 2012 boulders weighing more than 60 tons rolled down the slope and damaged the existing road completely.

The Public Works Departments (PWD), Sawantwadi who has the responsibility of maintaining the road, approached several agencies to carry out the mitigation work at the site but most of them refused citing work related dangers & difficulties.

Opis zastosowanego rozwiazania

The consortium of Pioneer Foundation Engineers and Geobrugg AG was awarded the work for providing rockfall protection solutions using SPIDER® System providing active rock mass stabilization. The SPIDER® System was dimensioned using RUVOLUM® Online Tool. The contractor developed special drilling platform which was mounted through a winch and pulley system.

Approximate height of the nearly vertical slope was 95 m from the road level. The total number of 326 holes were drilled for 8 m long and with 32 mm diameter anchors were placed and fully grouted. A secondary chain link mesh was also placed below the SPIDER® S4-230 net to protect from smaller boulders.  The complete work was carried out with the help of rope access technicians. A temporary protection mesh (barrier) was installed at the bottom of the slope to protect traffic from smaller boulders which disintegrated during drilling work. The SPIDER® mesh was pretensioned to the slope surface using system spike plates which were tightened as per the specific torque using a torque wrench. 

Osoba kontaktowa na miejscu

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

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

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

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Bob Lyne
Bob Lyne
Regional Manager Southeast
Zagrożeniami naturalnymi
Geobrugg North America, LLC
8004 Windspray Drive
Summerfield NC 27358 / USA
Telefon +1 336 337 0945

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Pierce Runnels, Civil Engineer
Pierce Runnels, Civil Engineer
General Manager Geobrugg North America
Zagrożeniami naturalnymi
Geobrugg North America, LLC
22 Centro Algodones
Telefon +1 505 771 4080
Telefon kom. +1 505 400 0796

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

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