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Transmission Gully

The new 4 lane 27km motorway runs up and over a saddle line and contours the bottom of a steep gully that required substantial ground engineering due to the slope angle and the nature of the highly fractured ground conditions with multiple fault/thrust zones throughout the seismically active area. The CPBHEBJV awarded Geovert the major slope stabilization package for the project, with a for 3 year long program, based on our ability to provide engineering support, scale up the operation when required with additional skilled crew and production drilling equipment to meet the significant demands of the varied ground conditions and limited access constraints.

Project Overview

Ground Engineering

Market Sectors     

Asset Integrity Maintenance

Market Sectors     

Asset Integrity Maintenance

Capabilities     

Ground Engineering

Capabilities     

Geovert set up a compound complete with a covered workshop and 40ft office onsite with a significant amount of plant, spare parts and tooling to ensure the works could be undertaken with the maximum production and minimal delays when changing solutions driven by ground conditions or access. We had a core team with over 30 onsite to deliver the works and when required put night shifts in place to ensure the production backed up the earthwork’s contractors which included 7no. drills rigs, 2No. shotcrete pumps with a robotic nozzle and 2No. high reach all terrain EWPs. We delivered a variety of works including tens of thousands of rock bolts/soil nails with inclined drains cased and drilled up to 50m into fractured rock, installed active Geobrugg mesh systems and over 25,000m2 of shotcrete on the cut slopes.

Project Solution