Telecom mast and antenna work is a small Irish trade with an outsized risk profile. Towers up to 60 metres, RF exposure, weather exposure, isolated locations, and a single climber is often the entire crew. This is the safety frame that keeps Irish climbers alive.
The Irish telecom site landscape
Climbers in Ireland service:
- Macro mobile sites - 30-60m greenfield masts (Three, Vodafone, Eir)
- Rooftop sites - 5-15m on commercial and residential buildings
- Microwave point-to-point dishes
- Broadcast and emergency services - RTE, AGSI, fire service
- Domestic and commercial aerial / satellite installs
Certifications stack
A typical Irish telecom rigger holds:
- Working at Heights Course (general SHWW duties)
- Tower / mast climbing competency (operator-specific or GWO BST for some networks)
- Rescue at Height (mandatory on most macro sites)
- RF Awareness (compliance with ICNIRP exposure limits)
- First Aid + AED
- Confined space (rooftop plant rooms)
- IPAF if MEWPs are used
Vertical fall protection on towers
Macro masts in Ireland are equipped with one of three vertical protection systems:
- Cable-based fall arrest (e.g. Latchways) - climber attaches a sleeve that locks on the cable on fall
- Rigid rail system (Type D EN 795) - a steel rail with a sliding shuttle
- Twin-lanyard climbing - traditional, on smaller masts only
The system must be inspected annually and the climber must be familiar with the make and model on the day - not all sleeves work on all cables.
RF exposure
Active antennas radiate energy. Climbers must:
- Carry a personal RF monitor (alerts at ICNIRP exclusion threshold)
- Coordinate with the network operator to power-down or attenuate the cell during the climb when needed
- Avoid the main beam of any active dish or antenna
- Receive RF Awareness training as part of induction
The two-person rule
Solo climbing is permitted in Ireland but heavily discouraged. Most major operators require 2 climbers on site for any mast over 15m, with one at ground as the rescuer + comms. This is a contractual requirement, not just safety best practice. The 35-euro online course doesn't replace the operator's site permit, but it is the foundation that the operator's induction sits on top of.
Weather thresholds
- Wind on the structure over 12 m/s - stop climbing
- Lightning forecast within 30 minutes - evacuate
- Ice or freezing rain - stop, sliding shuttles freeze
- Visibility below 100m - stop, ground/climb comms degrade
Ground rescue setup
Mandatory items at ground:
- Rescue device (descender) sized for the mast height
- Climber-rated stretcher and casualty management plan
- First aid + AED
- Clear comms with site, operator NOC, and 999
- Eircode of the access gate (saves an ambulance 4-6 minutes)
Working at Heights Course role
The Working at Heights Course online covers the general SHWW Act and EU Directive 2001/45/EC duties. Tower-specific tickets sit on top. Most networks require the WAH cert as evidence of base competence before site-specific induction. 45 minutes, 35 euro, instant certificate.
FAQs
Is GWO BST enough on its own?
GWO covers wind sector specifics. For Irish telecom, the network operator usually requires both GWO/operator induction AND Working at Heights Certificate.
Can a domestic aerial installer skip Working at Heights Training?
No. Any work at height on a domestic property by a contractor falls under the SHWW Act. Insurance also requires the cert.
Are drones replacing some climbs?
For surveys and inspections, yes - drones now do roughly 30% of what climbers used to do. For active maintenance, no replacement yet.
Lock in the foundation cert. Start the Working at Heights Course online in 45 minutes, instant Working at Heights Certificate, recognised by every Irish telecom operator.
