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gas or vapour being present while the work is being
performed.
3) General work area
All maintenance staff and others working in the local
area shall be instructed on the nature of work being
carried out. Work in confined spaces shall be avoided.
The area around the workspace shall be sectioned off.
Ensure that the conditions within the area have been
made safe by control of flammable material.
4) Checking for presence of refrigerant
The area shall be checked with an appropriate
refrigerant detector prior to and during work,
to ensure the technician is aware of potentially
flammable atmospheres. Ensure that the leak
detection equipment being used is suitable for use
with flammable refrigerants, i.e. non-sparking,
adequately sealed or intrinsically safe.
5) Presence of fire extinguisher
If any hot work is to be conducted on the refrigeration
equipment or any associated parts, appropriate fire
extinguishing equipment shall be available to hand.
Have a dry powder or CO2 fire extinguisher adjacent
to the charging area.
6) No ignition sources
No person carrying out work in relation to a
refrigeration system which involves exposing any
pipework that contains or has contained flammable
refrigerant shall use any sources of ignition in such
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