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Slope Stability - Dartford Greenhithe 2022

Aerial view of final installation

Slope Stability - Dartford Greenhithe 2022

TECCO installation

Slope Stability - Dartford Greenhithe 2022

Smaller first section of works

 

Year of installation

2022

Initial situation

Following the instability of several areas of chalk cliff face adjacent to London Road, RSK was appointed as a designer to assess the slope instability and form a remediation strategy for the area. Risk areas were the footpath running along the base of the site as well as London Road atop the cliff with undermining of the road a possibility if protective measures were not put in place.

Geology

Lewes Nodular Chalk Formation

Description

The site was divided up into three sections, the first was a smaller mound of limestone approximately 8 metres in height, 15 metres wide and made up of three visible sides, rock bolted and meshed using TECCO G65/3 and TECCO GREEN. 

The main section of works comprised the cliff directly below London Road, the chalk in this area was around 20 metres in height, with the section running almost 100 metres. Drilling conditions on site were generally good with no flint bands present in the limestone, and a combination of grout and air flush was used. In total 630 holes were drilled across the site.

CAN Ltd was appointed as the contractor responsible for installation of the protective measures

Customer

Contractor

Protected object

Road, Residential area

Corrosion protection

GEOBRUGG SUPERCOATING

Engineering

RSK

Your local contact

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

Natural Hazards
Coastal Erosion Protection
Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / United States Regional Manager Northeast

E-Mail

Saleh Feidi
 

Saleh Feidi

Regional Manager California

Natural Hazards
Coastal Erosion Protection
Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / United States Regional Manager California

E-Mail

John Kalejta
 

John Kalejta

Regional Manager Central US

Natural Hazards
Coastal Erosion Protection
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / United States Regional Manager Central US

E-Mail

Bob Lyne
 

Bob Lyne

Regional Manager Southeast

Natural Hazards
Coastal Erosion Protection
Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / United States Regional Manager Southeast

E-Mail

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Natural Hazards
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

E-Mail

Tim Shevlin
 

Tim Shevlin

Sales Director

Natural Hazards
Geobrugg North America, LLC,Salem OR 97302 / United States Sales Director

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