Bimar YDZ-10D/3 Notice D'instructions page 30

Work procedure. Work shall be undertaken under a controlled
procedure so as to minimise the risk of a flammable gas or
vapour being present while the work is being performed.
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.
1.1.5 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.
1.1.6 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 at
hand.
Have a dry powder or CO2 fire extinguisher adjacent to the
charging area.
1.1.7 No ignition sources. No person carrying out work in
relation to a refrigeration system which involves exposing any
pipe work that contains or has contained flammable refrigerant
shall use any sources of ignition in such a manner that it may
lead to the risk of fire or explosion.
all possible ignition sources, including cigarette smoking, should
be kept sufficiently far away from the site of installation,