| Client: Plowman Craven Associates (PCA) | Date: August 2002 - |
Islington, London: Monitoring Copenhagen tunnel using electro-levels.
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| Client: AMCO | Date: 2001 - ongoing |
Replace monitoring systems installed by others at Brotherton
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| Client: May Gurney | Date: 2001 - ongoing |
Install additional monitoring system at Standedge
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| Client: AMCO | Date: 2001 - ongoing |
Design and install movement-monitoring system during the repair of a badly deformed tunnel at Conisborough
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| Client: Edmund Nuttalls. | Date: 2000. |
Design and install an automatic movement monitoring system in a tunnel at Felindre, South Wales.
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| Client: Furlong Homes Ltd | Date: 2000 - Ongoing. |
Design and install an automatic movement monitoring system in a tunnel at Highbury, London.
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| Client: AMCO | Date: 1999 - ongoing. |
Design and install an automatic movement monitoring system for Beacon Hill tunnel.
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| Client: AMCO | Date: 1999. |
Design and install a strain and movement monitoring system for Whitchester tunnel for use during remedial works.
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| Client: Gleeson. | Date: 1998 |
Use of CMCS automatic convergence monitoring system at Bradway Tunnel during grouting to prevent water ingress. Three rings of convergence monitoring beams were installed to measure relative changes in X, Y co-ordinates at the beam nodes.
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| Client: AMCO. | Date: 1998 |
Design and install a strain and movement monitoring system for Barnet tunnel for use during remedial works.
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| Client: AMCO. | Date: 1998 |
Design and install a strain and movement monitoring system for Bradway tunnel for use during removal and replacement of bulging brickwork.
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| Client: British Rail Research. | Date: 1997 |
Supply and install a discrete electro-level beam monitoring system and vibrating wire strain monitoring for Abbotscliffe Tunnel.
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| Client: British Rail Research. | Date: 1996 |
Supply and install a discrete electro-level beam system at Alfreton Tunnel during grouting.
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| Client: British Rail Research. | Date: 1996 |
Supply and install a discrete electro-level beam system for long term monitoring of Newton Street tunnel, Glasgow.
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| Client: Keller Colcrete. | Date: 1995 |
Beacon Hill Tunnel. Monitoring the movement of the eye of a ventilation shaft within the tunnel. The system involved an alarm system that could be used to stop trains if activated.
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| Client: British Rail Research. | Date: 1995 |
Supply and install a discrete electro-level beam monitoring system and vibrating wire strain monitoring for Holme Tunnel.
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| Client: Laing Joint Venture. * | Date: 1993 - 1995 |
The design and install an early warning system for the Severn Tunnel (100 year old railway tunnel under the Bristol Channel) for use during the construction of a new motorway bridge (The Second Severn Crossing) straddling the tunnel. The automatic system gave alarms if movements or water ingress at selected locations exceeded pre-set levels. Alarms were relayed via a site computer and radio telemetry to the British Rail Authority and Welsh Water PLC, simultaneously.
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