Structural Monitoring

ITM is the UK market leader in the supply and installation of structural monitoring systems. Our teams include qualified engineers, software specialists, skilled technicians and drillers We have worked on the majority of the high profile construction projects in the UK over the last 15 years. Sensors utilised include:

  • Electrolevels and tiltmeters
  • I-ris Automated (robotic) total stations
  • Extensometers and strain gauges
  • Settlement systems
  • Vibration Monitoring

For a list of recent projects please visit the Projects page.

 Surtees Bridge monitored using cable free tiltmeters

Railways

For many years, ITM has been supplying, installing and monitoring equipment on railways in the UK, Europe and America.

The equipment has been used for:

  • Tunnel Monitoring
  • Under-track crossings
  • Track Subsidence
  • Landslips and Embankment failures
  • Viaducts, Overbridges and Abutments

We have a Railtrack-approved National Safety Case and are fully compliant to EEC EMC Standard EN50121.

 Railway track near Beddingham monitored using wireless track tilts

Underground

ITM have been monitoring underground railway tunnels for many years, in countries across the world.

Sensors installed include:

  • Electrolevel and Tiltmeters
  • Bassett Convergence System
  • I-ris automated (robotic) Total Stations and manual survey
  • Crackmeters
  • Strain Gauges
  • i-site data processing software to provide automated alarms via SMS and email.
 London Underground

Tunnel Monitoring

ITM supplies and installs all types of tunnel monitoring instrumentation. Our experience covers all tunnel types from new construction to refurbishment and the effects of adjacent operations.
Techniques include:

  • Bassett Convergence System
  • I-ris automated (robotic) Total Stations and manual survey
  • Electrolevel and Tiltmeters
  • Crackmeters and Strain Gauges
  • Data transmittal to surface via modem/ethernet/radio
  • I-Site software allows for easy data handling and interpretation
 Bassett Convergence sytsem installed in Railway tunnel.

Excavations, Landslips & Earthworks Monitoring

ITM, together with group company Soil Instruments Ltd, have been involved in the monitoring of deep excavations, landslides and earthworks for over 40 years.

Systems installed range from:

  • Inclinometers (manual and automated)
  • Extensometers (magnetic, rod & wire)
  • Ground Water Level monitoring
  • Porewater pressure monitoring (vibrating wire, pneumatic and hydraulic piezometers)
  • Settlement profile systems
  • Fully automated landslide early warning systems
  • Prop monitoring
 Landslide due to coastal erosion, Isle of Wight

Dam Monitoring

ITM, together with group company Soil Instruments Ltd, have been involved in the monitoring of dams, reservoirs and associated works for over 40 years.

Equipment supplied and installed includes:

  • Piezometers
  • Inclinometers (manual and automated)
  • Extensometers (magnetic, rod & wire)
  • Water Level monitoring
  • Settlement profile systems
  • Seepage monitoring
  • Pendulum Systems
  • Automatic Alarm Messaging telephone, GSM or internet

We also provide experienced technical staff to carry out the servicing of existing monitoring equipment on dams and reservoirs.

 Dam monitoring in Wales