Liquid Level Settlement Cells

A hydrostatic levelling cell system allows for accurate real-time measurement of structures for vertical movement, be it either settlement or heave.  This system is especially adapted to an environment where conventional survey techniques would not be possible. Benefits of the system are the high accuracy, the ability to completely monitor structures on all sides with one system and low maintenance. 

HLC can be used for structural monitoring, tunnels, tanks, slabs, embankments, pile loading tests, elevators, track beds and other structures that require precise and stable measurements. Getec has installed the largest system to date with 1700 cells controlling settlement and heave in Mayfair and Soho in London.

Bond Street, London ; Hydrostatic Level Cell locations as viewed in gtcVisual 

Tottenham Court Road, London; Hydrostatic Level Cell locations. 

The HLC's are installed by Getec engineers and commissioned before handing over to our clients. The cells are not available for direct purchase and install by other parties. We have installed systems for other instrumentation and monitoring companies. 

We are skilled in the effective design of systems, the installation and commissioning and the long term maintenance.   The system functions well with temperature and with a very fast system for data acquisition, archiving and visualisation ,makes it an essential system for controlling critical activities such as compensation grouting and tunnelling .

Getec use biaxial tilt-meters to provide a complete settlement and tilt package for structural measurement.

Techniques

Where we've done it

A double system of Hydrostatic Level cells were installed to the ground floor of an upmarket Bond Street shop ...

To monitor the movement of existing terminal buildings while a large excavation was undertaken adjacent. ...

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