Towill Surveying PDS Surveys
Phase 6: Tunnel Inspection and Maintenance

Detailed Inspection Surveys

Trimble 3D laser scanners and total stations collect rich detailed 3D positions of detects and possible structural flaws in existing tunnel infrastructure enabling stakeholders with informed decision making.

Detailed Inspection Surveys

High-Resolution Asset Data Collection

Trimble Mobile Mapping systems provide high-resolution scanning and imagery of tunnel infrastructure that provide operators with the tools to locate and manage critical tunnel assets.

High Resolution Asset Data Collection

Customer Projects

Big Results in a Small Space

California-based Towill, Inc. was called to provide precise information on the interior of roughly 1,800 ft (550m) of the active, pressurized waterline. In addition to determining the horizontal and vertical alignment of the pipe, they needed to provide data on the pipe’s ovality, or deformation from its original circular shape caused by external loading at the surface. Engineers decided to use slip-lining to install a new pipe inside the existing water main. (In slip-lining a new carrier pipe is inserted inside an existing pipe to repair leaks and provide structural integrity.

Big Results in a Small Space

Let Sleeping Bats Lie

For Lee Husk, Director of Caerphilly based survey company PDS Ltd, a combination of over ten years laser scanning experience, a reputation for loving a challenge and the unique functionality of Trimble’s SX10 Scanning Total Station provided the answer.

 

Story provided by our local Trimble Distributor, KOREC, UK

Let Sleeping Bats Lie

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