Chapter 1
Specifications and General Precautionary Safety Measures
10
SAFETY FIRS T
Edition 1 – December 2019
MSA G1 Classic Breathing Apparatus
Precautionary Safety Measures
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Only use the BA after receiving training on how to operate, don and doff
the set and correct after-use maintenance.
Always verify the set’s operability. Do not use the set if any of the tests
fail.
Do not expose the BA to any substances that will or might attack any part
of it or causing it to not perform as designed and approved.
Only use approved filling stations in accordance with Australian Standards
and National Regulations when filling cylinders.
Safe person approach, dynamic risk assessment
Operators must apply the principles of Dynamic Risk Assessment outlined in
Joint Standing Operating Procedure J08.02 at all times.
Critical pressures
BA
must not
be placed on an appliance or in service if the pressure in the
cylinder is less than 250 bar.
BA operator must not commence initial operations if the pressure in the
cylinder is less 250 bar. Re-entry may commence at 200 bar pressure
after completing a DRA and with the approval of the Incident Controller.
BA cylinder pressure of approximately 100 bar, notwithstanding a dynamic
risk assessment, should be allowed for exit/wash down activities.
BA cylinder pressure of approximately 110 bar is required for hazmat
decontamination.
