Record keeping, communication, emergency response and rescue arrangements
Record keeping, communication, emergency response and rescue arrangements
This domain tests the paperwork and the human systems that make gas testing effective.
Records
The gas test record or certificate should show the date and time, location and level tested, instrument ID, calibration/bump test status, gas and units, reading, permit number, tester's name, conditions and the next re-test time. Records support the permit, the investigation and legal defence; retain them for the period required by the site and by law.
Communication
Agree radio channels, signals and emergency numbers before entry. The standby person maintains a headcount and communication with entrants, and must never leave the post. Handovers between shifts must include gas readings, permit status and any changes in conditions.
Emergency response and rescue
- A rescue plan must exist before entry, with trained rescuers, appropriate PPE and breathing apparatus, retrieval equipment (harness, line, tripod) and a means of calling emergency services.
- Never enter to rescue without breathing apparatus and training. A high proportion of confined space fatalities are would-be rescuers.
- On alarm: stop work, evacuate, account for personnel, isolate and ventilate if safe, and initiate the rescue plan.
- Practise drills and check equipment.
Worked example
An entrant collapses inside a tank. The standby person's correct action is to raise the alarm, start the rescue plan and use the retrieval line if fitted - not to climb in. Reasoning: the atmosphere that affected the entrant will affect the rescuer, and untrained entry converts one casualty into two.
Traps
Recording 'atmosphere OK' without instrument ID, calibration status or readings; standby person leaving the post; rescue plan that relies on the fire service arriving in time; no communication test before entry; failing to record re-tests and handovers.