Hazard: Risk

Risk of:

Evaluation:

Controls:

Immediate

measures to deal

with consequences if risk does occur:

Compressor/bank

cylinders/mixed gas

blending system

Serious injury or death to compressor operator or persons in vicinity; damage to

property

Medium

System to be maintained/inspected in accordance with Written Scheme of Examination (WSE). The compressor operator to inspect for visible damage prior to use. If any damage noted, system should not be used and Equipment Officer to be advised.

First Aid to be administered. Hospitalise as required.

Cylinder failure or explosion.

Serious injury or death to compressor operator or persons in vicinity; damage to

property

Medium

Only cylinders that are in test should be filled.

The Compressor Operator shall maintain a log of

all cylinders filled, noting test date and working

pressure. Cylinders that are in poor visual

condition or whose test date/markings are

obscured should not be filled.

First Aid to be administered. Hospitalise as required.

Hazard: Risk

Risk of:

Evaluation:

Controls:

Immediate

measures to deal

with consequences if risk does occur:

Fire

Serious injury or death;

damage to property

Medium

Fire extinguishers are provided in the compressor room located at Unit 8  Beacon Quay, Torquay. The compressor unit is to be shut off immediately using the wall mounted “On/Off” switch beside the door leading to the compressor unit.  The Operator is to arrange evacuation of all those in the compressor room onto Beacon Quay. The Harbour Master’s office is to be notified of the fire immediately.

If unable to extinguish fire with fire extinguishers, evacuate building.

Contact Emergency services – they should be advised of presence of compressed gas cylinders and boat fuel. If possible close any cylinder valves. If possible without endangering personal safety, keep surrounding

cylinders cool with hose, deployed

Impure air

.

Injury to diver / death;

contamination of cylinder;

explosion

Medium

Air intake to be monitored for external contamination. Compressor not to be operated if engine has been run in passage outside the compressor room within preceding 30 minutes. Compressor to be serviced annually and filters changed more regularly if required. Air purity checks to be undertaken every 12 months. Divers to check gas for taste before entering water and to be prepared to abort dive if suspicious of cylinder contents. Divers to report possible “bad air” to the Equipment Officer.

First Aid to be administered. Hospitalise as required Gas to be checked for taste before entering water and to be prepared to abort dive if suspicious of cylinder

contents.

Hazard: Risk

Risk of:

Evaluation:

Controls:

Immediate

measures to deal

with consequences if risk does occur:

Operator error

Serious injury / death;

damage to property

Medium

Only trained competent persons to operate compressor. The Diving Officer to maintain training log.

First Aid to be administered. Hospitalise as required.

Gas under pressure

Injury from flying

debris/flailing hoses and

fittings

Low

Only trained competent persons to operate compressor. Compressor operator to inspect charging whips for visible damage prior to use. If any damage noted, whip should not be used and Equipment Officer to be advised.

First Aid to be administered. Hospitalise as required.

Heat

Injury to persons or damage to property coming into contact with hot machinery

Low

Cooling fan fitted as part of compressor assembly. Compressor fan within a metal enclosure.

First Aid to be administered.

Injury from falling

cylinders

Injury to compressor operator or persons in vicinity

Low

Divers to avoid leaving cylinders standing upright other than local to compressor, particularly if unattended.

First Aid to be administered.

Lifting cylinders

Injury to compressor operator or diver

Low

Compressor operator or diver to lift cylinders appropriately to avoid placing unnecessary strain on back.

First Aid to be administered. Hospitalise as required.

Noise

Hearing damage

Low

Compressor is located within noise attenuating area in the inner room. If it is necessary to operate compressor whilst someone is in the inner room (e.g. for maintenance inspection) ear defenders to be worn by compressor operator and any persons rendering assistance/working in vicinity, as appropriate.

Deliberately left blank.

Hazard: Risk

Risk of:

Evaluation:

Controls:

Immediate

measures to deal

with consequences if risk does occur:

Trapping caused by bank cylinders falling.

Injury

Low

The compressor bank cylinders are secured to the wall behind them metal straps.