Tunnel vision can affect hearing, with rescuers no longer able to pay attention to instructions from their superiors. It is easy for rescuers to lose track of time and develop tunnel vision when working in a rescue situation.There is a specific parlance – use of word, tugs, and signals that must be learned thoroughly by all team members. Rigging and pulley systems require a thorough knowledge of weight and pulley ratios.Rigging must also take into consideration friction, contact with bends and edges, and overuse of connectors like carabiners. “Bomb proof anchors” is a term that describes rigging that can withstand the demands of moving and lifting people and obstacles without failure.Corrosive atmospheres might cause unseen structural damage to nylon harnesses, and metal object can be a source of spark or static discharge.Air tanks and other bulky gear will likely need to be removed and manually passed from hand to hand when entering small apertures.Ladders may be easy to use to climb down into a tank, but a winch/tripod system for lifting a stretcher or harnessed patient must remain safely balanced both during the lift out of the tank as well as the descent externally to the medical team. Walkthroughs, visualizations, and lessons from previous experiences and experienced rescuers must be thoroughly attended to. The safe rescue of a person from a confined space starts long before an emergency occurs. A fire-related issue might make that time window even smaller.Ī non-time sensitive rescue might include a non-life-threatening injury like a broken ankle, which requires careful rescue but without an imminent life-threatening danger. Time sensitivity is a vital identifying factor in all confined space rescues.Ī time sensitive rescue usually involves atmosphere (specifically, air supply or toxic vapors) and points to a maximum rescue time of six minutes. Time Sensitive and Non-Time Sensitive Rescues This will depend on available room to move as well as additional life-threatening situations such as a poisonous atmosphere.Ĭlear communication technologies free of static and interference are needed to keep in contact with attending medical professionals immediately outside the rescue zone. Of particular importance is the decision for spinal immobilization of the injured party. This method poses the greatest threats.Įntry teams must be fully briefed on the space, including any new information that might have changed its safety and integrity.Ĭareful planning and communication must be used to ensure all rescue personnel plus necessary equipment can safely be used in the extrication process. This is doubly critical when the entrant is using an air supply line, since entanglement is a constant threat.Įven in situations where non-entry rescue techniques are deemed primary, an entry rescue team or specialist must be immediately available.Įntry rescue involves additional people entering the confined space to perform the rescue. These tools might include a harness that the entrant dons and is then lifted by pulleys and ropes.Ĭareful planning must ensure that retrieval systems won’t get snagged or caught on obstacles in either emergency or non-emergency situation. Non-entry rescue uses assistive tools to eliminate the need for additional people to enter the space. This might include safely disengaging or powering down equipment, as well as procedures for correct exit, following a checklist, and moving slowly and deliberately to identify and avoid additional hazards. Self-rescue removes the need for other people to enter the space, but requires that the individual has been fully briefed or trained on safe self-exit procedures. Self-rescue involves an entrant (the worker) leaving the space under their own power, either because they have identified a hazard or are feeling ill. There are three types of confined space rescue. Your organization must have a confined space hazard assessment and control program in place and it must be reviewed regularly. The rescue team must be apprised of all facilities in which confined space work will be conducted, and must have access to and knowledge of physical plans and emergency communication procedures. They must also be trained in first aid and cardiopulmonary resuscitation (CPR), and at least one team member must be certified in CPR. Internal rescue teams must take part in practicing confined space rescues, using mannequins and representative physical situations. These could be external experts or properly and fully trained internal employees, but they must be available for immediate deployment and must have all the necessary gear available and ready. The primary rule for safely rescuing someone from a confined space is to guarantee that properly trained rescue personnel are available during confined space work.
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