Avoiding entry, controlling hazards, and following a safe system reduce the likelihood of an incident. A rescue plan addresses what happens if those safeguards fail or a worker becomes unable to leave. It must exist before the task starts and remain ready while the space is occupied.

A competent person develops arrangements that match the enclosure, access route, work, people, and foreseeable emergencies. A generic instruction to call for help is inadequate if someone could lose consciousness before outside responders arrive. A changing atmosphere, a fall, entrapment, or machinery movement can put both the entrant and a would-be rescuer in danger. The planning must protect everyone affected, including the attendant and people around the opening.

This module explains alarm routes, rescue and resuscitation equipment, safe actions by trained rescuers, fire precautions, plant shutdown, first aid, and coordination with emergency services.

By the end, you should be able to check whether a proposed rescue method could actually work for a specified task and what must be rehearsed, inspected, and communicated before entry.

We will examine:

• Why emergency preparation matters
• When an emergency plan is required
• How an alarm is raised and a rescue initiated
• Choosing retrieval and resuscitation equipment
• Preventing rescuers from becoming casualties
• Dealing with fire and atmosphere changes
• Safe shutdown of connected plant and services
• First aid arrangements and casualty care
• Working with public emergency responders
• Training, briefings, and realistic rescue practice

Serious incidents can deteriorate in seconds. Workers have died when a rescue method was improvised at the opening instead of planned around the actual hazards and the route out.

Missing communications, inaccessible retrieval equipment, or untrained helpers can delay recovery. A person rushing inside without suitable protection may be overcome by the same atmosphere as the original casualty.

The confined-space rules in Ireland require appropriate emergency arrangements before the work begins. Allocate trained people, suitable equipment, a means of calling for help, and a method that can be tested and kept ready.

Plan for the listed hazards and other realistic events, such as a fall, sudden illness, a jammed exit, or a worker becoming unable to climb. Decide how the casualty will pass through the opening without creating further harm.

The assessment and rescue method should be prepared by someone competent for the hazards. Specialist advice may be necessary for complicated equipment, vertical access, breathing apparatus, or a difficult casualty recovery.

Do not start an entry without emergency arrangements matched to that job. The assessment should determine which incidents are foreseeable and what immediate resources must be at the site.

Set out the plan before any entrant goes in. Check that the supervisor, attendant, entrants, and rescue personnel know the signals and their individual duties. The emergency method belongs alongside the task risk assessment and written safe system. If the work or space changes, reassess and update the rescue provisions too.

Consider the six listed hazards and any other foreseeable event that could leave someone inside unable to get out unaided. The scale of arrangements should reflect the actual risk and difficulty of access. A straightforward entry may need a simple but clear method; a complex vessel or hazardous atmosphere calls for more detailed and tested arrangements.

Even where the chance of injury seems small, a rescue plan must remain workable for the conditions at the time of entry.

A reliable communication route lets an entrant report a problem and allows an attendant to summon help immediately. Agree what an alarm means, how to trigger it, and what to do if routine contact is lost.

Train entrants, attendants, supervisors, and nominated rescuers in the chosen communications. A device that somebody has never used in PPE will not reliably solve an emergency.

Test radios, wired systems, alarms, and backup methods before each entry, including at the furthest work position. Record failures and fix them before authorisation; supervisors should review the checks.

The method must work despite the conditions that could cause the emergency. Voice alone may be useless when a collapse, high noise, or obstructed line of sight prevents a response.

For higher-risk jobs, keep the appropriately trained response team and required equipment available near the space as specified by the assessment. An attendant outside the opening must not become an unprotected rescuer.

Choose retrieval and medical equipment from the assessment, not from a generic kit list. Train rescue personnel using the actual equipment and the dimensions of the opening.

Possible provisions include breathing apparatus, suitable harnesses, lifelines, tripods, winches, first-aid supplies, and resuscitation equipment. Every item needs competent inspection and a defined use; a line can cause injury if attached incorrectly. must be trained and competent before they are asked to use rescue equipment.

Where resuscitation is reasonably foreseeable, designate trained responders and confirm the equipment can be reached without delay.

The hazards in the space govern what protection rescuers need, how they will enter if necessary, and whether non-entry retrieval is workable. Choose equipment that fits the location and the casualty route. A tripod positioned over the wrong hatch or an oversized stretcher will not solve the recovery problem. If toxic gas or oxygen deficiency could persist, rescuers who must enter may require suitable breathing apparatus and training; filtering respirators do not supply oxygen.

Some work, such as tunnelling, may justify individual escape breathing equipment to help an alert worker withdraw. Self-rescue cannot be the entire plan for an incapacitated worker.

Inspect, maintain, and practise with the kit regularly. Confirm the entire response team knows its location, limits, and pre-use checks.

A successful response brings the casualty out without creating additional casualties. Rescue team members should:

• Have practical rescue training that covers the current equipment and the likely failures. Refresh skills and test the method with the actual team.
• Know their assigned roles including who controls the entry point, who contacts external responders, and who supervises the rescue.
• Remain available for the entire period they are assigned; verify cover during breaks and handovers.
• Avoid uncontrolled exposure to the original hazard. Protect against contaminated air, moving plant, engulfment, and falls before a rescuer enters.

A worker who collapses inside may appear only a short distance from the access opening. That appearance is misleading if invisible gas, low oxygen, or moving material caused the collapse; a colleague entering without the right protection can be overcome in the same way.

Identify confined spaces early, train everyone to recognise an alarm, and rehearse a response that brings suitable rescuers and equipment to the opening. The following scenario illustrates how several planning failures can combine.

This training scenario shows how a routine blockage can turn into a multi-person emergency when an enclosure and its atmosphere have not been properly assessed.

A maintenance worker climbs into an enclosed organic-waste trailer to clear material lodged near an outlet. The contents have been decomposing and the air inside is not tested.

The worker collapses after exposure to a hazardous atmosphere. An outside colleague sees the worker but has no retrieval equipment ready.

A second person enters to assist and becomes disoriented; another colleague considers following. The attendant must instead call for the planned, properly equipped response.

Before work, the trailer should have been identified as a possible confined space, the blockage-clearing method assessed, and a remote method sought. Testing, isolation, supervision, and rescue arrangements should have preceded any entry.

This is an illustrative scenario, not an account of a specific prosecution. The teaching point is that an unprotected rescue attempt can rapidly multiply the number of casualties.

Discuss what would have allowed the work to be completed from outside and how the rescue team could recover a casualty without exposing more workers.

Consider fire and smoke when preparing both the entry method and the emergency plan. Narrow access can delay escape, and ordinary firefighting tactics may introduce new atmosphere hazards.

If fire is foreseeable, assess ignition and fuel sources and decide in advance who will raise the alarm, withdraw, isolate plant, and call the fire service.

• Check that firefighting action does not worsen the atmosphere. For example, a carbon-dioxide discharge can displace breathable air inside an enclosure.
• Ventilation can feed a fire, but it may also be needed to protect workers from an unsafe atmosphere. The response plan should say who can change it and when, after accounting for evacuation and rescue.
• An inert-gas suppression system must not release while anyone remains inside, because it can quickly create a deadly oxygen deficit. Coordinate automatic systems with the permit and isolation arrangements.
• Call the appropriate emergency services without delay and tell them what substances, energy sources, access difficulties, and atmosphere hazards may be present.

Controls that normally help outside a space may be dangerous inside one. Seek competent fire and rescue advice for unusual installations or operations. Arrange an evacuation method that does not require workers to pass a developing fire or smoke cloud where a safer route can reasonably be provided. Rehearse the alarm and ensure the person managing the incident can account for all entrants and rescuers.

A rescue may require nearby machines, pipelines, or processes to stop. Decide beforehand which controls are safe to operate and who has authority to do so.

Emergency shutdown may be needed if:

• The plant movement or release caused the injury.
• Recovery cannot proceed safely while equipment runs or materials continue to enter the space.

Managers and supervisors must understand and practise the relevant shutdown and isolation steps, including the location of controls and the effect on essential lighting, communications, or ventilation.

An incomplete or poorly timed shutdown can add hazards. For example, switching off a fan or pump might allow a harmful atmosphere to build up or liquid to flood the area. Coordinate the final sequence with trained responders and verify energy is isolated before anyone enters to assist.

Suitable first-aid provision must be available during confined-space work, taking account of the hazards and the time needed to reach the worker.

Identify trained first-aiders and check they can respond while the entry is taking place. First aid cannot be administered effectively if responders cannot first reach the casualty safely.

Keep supplies and any specialist resuscitation equipment accessible and maintained. Plan for the kinds of injury or exposure that might occur, and provide training in the equipment people are expected to use.

Everyone on the job should know who calls the ambulance service, what location details to give, and who guides responders to the access point.

If an incident occurs, outside responders need prompt and accurate information. Build communication and access for them into the site plan:

• How will an alert be sent? Provide a dependable way to call the appropriate fire, ambulance, or other emergency service and communicate the exact site entrance.
• Who makes the call? Nominate a person at the site who can make contact, stay available, and relay updates while the rescue team works.
• What will responders be told? Give them the known atmosphere and plant hazards, the assessment, current entry and rescue plans, number of people inside, and access constraints. For major projects, coordinate the arrangements in advance.

A key boundary: The employer must not treat a call to public services as the complete site rescue plan.

Depending solely on public emergency responders does not meet the need for a practical on-site plan before entry. The requirements in Ireland call for suitable arrangements ready for foreseeable emergencies; public crews remain essential, but travel time and specialist equipment cannot be assumed immediately available.

Information, instruction, and training are essential parts of the rescue method.

Everyone involved must understand the hazards associated with this particular space, not just those common to confined spaces generally. Brief the risk assessment, safe system, communication signal, alarms, withdrawal triggers, and emergency sequence before work starts.

People responsible for technical equipment need role-specific instruction and practice with both routine and emergency operations.

Managers and supervisors also need sufficient competence. They should be able to allocate resources, check implementation, recognise a failing control, and initiate the planned response. If a lower-risk task allows a worker to operate without constant direct supervision, make sure the worker understands the contact, alarm, and withdrawal method and that checks remain proportionate.

Specialist advice may be required when designing ventilation, selecting rescue apparatus, or teaching a difficult retrieval technique; that expertise supports rather than replaces site management.

A plan does not remain effective if people have forgotten the equipment, the team changes, or an opening is modified. Refresh the response arrangements and practise them as the assessment requires.

Anyone entering, supervising, attending, or rescuing should understand their own responsibilities, the equipment they will use, and how they can do so without becoming another casualty.

The assessment determines how often to refresh training and rehearse the response. Set an interval that reflects the hazards, job frequency, personnel changes, and lessons from drills; do not substitute a calendar date for evidence of competence.

The next slide gives a checklist for the practical training of people involved in emergency rescue.

A practical programme should enable the team to:

• Recognise likely triggers such as oxygen loss, toxic exposure, engulfment, fire, a fall, or loss of contact.
• Set up retrieval equipment and understand its limits, safety mechanisms, and foreseeable failure modes.
• Inspect apparatus before use, identify defects, and withdraw unsafe gear from service.
• Maintain and test rescue supplies at scheduled intervals and immediately before a planned entry.
• Raise the alarm internally, call outside responders, and communicate accurate situation updates.
• Isolate relevant plant safely without disabling a critical rescue safeguard.
• Provide resuscitation only in a safe place and use equipment for which the responder is trained.
• Give appropriate first aid while professional medical help is on its way.
• Use firefighting equipment only as planned and without entering an unsafe atmosphere.
• Work with fire and ambulance personnel, sharing the assessment, access route, and known atmosphere information.
• Rehearse realistic retrieval and equipment use, including vertical lifting and casualty movement where relevant.

An emergency does not end when everyone is out of the space. The incident must be reported, investigated, and used to improve the plan.

• Report a fatal accident, or an injury that stops an employee working for more than three consecutive days, not counting the day of the accident, to the Health and Safety Authority.
• Certain dangerous occurrences must also be reported, even when nobody is hurt.
• Record what happened, why the controls did not prevent it, and what will change.

Share the lessons with everyone who plans, supervises, or enters confined spaces, and review the risk assessment, the safe system, and the rescue plan before the next entry.