Case Studies | Blackwall Tunnel Approach

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Project: Blackwall Tunnel northbound approach
Client: Samsett Surveys & Engineering Ltd
Survey Date: March 2011

 

 


Survey Brief

J.C.White Geomatics Ltd. were commissioned to provide survey information for proposed traffic management works within the area of the northbound approach roads.

Survey Methodology

Due to traffic restrictions and health & safety concerns, it was decided that laser scanning would enable all work to be carried out from safe areas.

Laser Scanning of Blackwall Tunnel Approach

The project was scanned and controlled over 2 nights with a comprehensive point cloud being obtained.

Laser Scanning of Blackwall Tunnel Approach

All survey information was able to be digitised from the pointcloud and represented in full 3D.

A site walkover was carried out to QA all information had been digitised, with verification checks also obtained to validate the data.

Laser Scanning of Blackwall Tunnel Approach with Topographical Survey Overlay

The client received both 3D cad information and point cloud data.

Laser Scanning of Blackwall Tunnel Approach with Topographical Survey Overlay

FURTHER INFORMATION