Shieldhall Tunnel Drone Survey
Following the exceptional work on this project since 2018, we were approached this year to carry out a tunnel survey to inspect a hairline crack on the tunnel soffit approximately 60m into the tunnel.
- Scottish Water
- Main Contractor:
- 24 hours
- Innovative implementation of tunnel survey meant no impact on the live sewer network,
- Rapid and cost effective survey delivered to the client,
- Reduced risk of injury as no operatives were required to enter confined spaces.
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in 2018-19 before Covid-19 hit the world, JGL were commissioned by Costain to help construct the Shieldhall Tunnel - Scotland's biggest wastewater tunnel.
In July 2020 - we were asked to undertake a man entry shaft and tunnel inspection, which we delivered to an exceptional level. Following our ongoing delivery of exceptional standards - we were approached this year to carry out a tunnel survey to inspect a hairline crack on the tunnel soffit approximately 60m into the tunnel.
This job was subcontracted to Angell Surveys to carry out the drone survey operations, overseen by the JGL team.
This new way of conducting a tunnel survey drastically reduced the risk of our people as we avoided the need for them to enter a confined space.
It also meant huge cost savings as there wasn't a need to hire in cranes for shaft and tunnel access, confined space emergency equipment and less man power for the job.
It was good to see the JGL high standards maintained even on the small one off jobs like this.
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