DAM/Specific/TBT-DAM-015

Telemetry and Monitoring Installation

Dams, Reservoirs & Flood Defence › Specific › Telemetry and Monitoring Installation

Presenter		Project
Location		Date

Telemetry and monitoring systems on dams and flood defences provide real-time data on water levels and structural behaviour.
Installation involves working at height on dam structures, in valve towers, and near deep water.
Instrumentation includes level sensors, piezometers, inclinometers, flow gauges, and weather stations.
Cabling routes often run across dam crests, down embankment slopes, and into underground chambers.
Electrical connections must withstand outdoor exposure, flooding, and lightning in exposed locations.
Solar-powered telemetry stations eliminate the need for mains power in remote dam locations.
Working on dam crests and spillways combines height, water proximity, and remote location hazards.
Instrument installation in valve towers and outlet chambers is a confined space operation.
Commissioning involves testing every sensor, logger, and communication link end-to-end.
Accurate installation is critical — monitoring data informs dam safety decisions affecting downstream communities.

Remote and exposed	Dam monitoring locations are often remote, elevated, and near deep water with limited emergency response access.
Confined spaces	Valve towers and outlet chambers are confined spaces requiring permits, gas monitoring, and rescue plans.
Public safety	Monitoring data protects downstream communities — faulty installation could mask dangerous structural changes.

Don't

Complete a risk assessment for each monitoring location covering height, water, and access hazards
Wear a personal flotation device when working near reservoir edges and spillway channels
Treat valve towers and outlet chambers as confined spaces with full permit procedures
Install lightning protection on telemetry cabinets and weather stations in exposed locations
Route cables securely across dam crests and slopes with protection from weather and traffic
Use solar power systems where mains electricity is not available at remote dam sites
Test every sensor and communication link end-to-end before accepting the installation
Brief the team on the specific access hazards at each monitoring point on the dam
Carry communication equipment that works in the remote dam location at all times
Record all instrument locations, calibration data, and commissioning results accurately

DON'T access dam structures or spillways without a personal flotation device near water
DON'T enter valve towers without confined space procedures and atmospheric monitoring
DON'T install telemetry cabinets in lightning-prone locations without surge protection
DON'T route cables where they will be damaged by maintenance vehicles or weather erosion
DON'T work alone at remote dam sites without a lone working check-in procedure
DON'T commission monitoring systems without testing every sensor and data path
DON'T install instruments inaccurately — the data informs life-safety dam decisions
DON'T leave open cable trenches on the dam crest where they weaken the structure
DON'T access steep embankment slopes without assessing ground stability and using ropes
DON'T skip the risk assessment because you have visited the dam location previously

See also: Dam and Reservoir Safety Awareness | Lone Working in Remote Locations

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