Confined space is a space which has any one of the following:
* Limited openings for entry and exit
* Un favorable natural ventilation.
* Not designed for construction worker occupancy.
Confined space include: cellars, chambers, pits tanks, manholes, sewers, tunnels and some excavations.
1. Oxygen-depleted or enriched environments.
2. Presence of a suffocating, toxic or flammable atmosphere.
3. Biological hazard, weil’s disease from rat’s urine.
Before entering a confined space
1. Don’t enter a confined space until a risk assessment has been carried out by a competent person.
2. Check for flammable or toxic gases and O2 content.
3. If breathing apparatus is required, don’t enter a confined space until you’re trained to use it. Obey permit to work.
4. You must be fit and healthy to enter a confined space.
5. Check communications and monitoring equipment.
Working in Confined Space
1. Work will be controlled by a permit to work.
2. Wear protective equipment and clothing provided.
3. Continuous monitoring of air quality is necessary.
4. Only approved electrical equipment is to be used where flammable gases may be present.
5. Don’t eat, drink, smoke or use a naked flame
6. Wash your hands at the end of each shift.
1. Make sure the recovery winch and apparatus is working.
2. Locate the position of the nearest telephone and understand the emergency procedures.
3. Don’t attempt a rescue unless you are part of a trained rescue team.
4. The first duty of any rescuer is to ensure their own safety.
5. Leave a confined space immediately if told to do so.