The Occupational Safety, Health and Working Conditions (Lakshadweep) Rules, 2025
Schedule XXXVII
Official text
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WELDING/CUTTING OPERATION WITH THE USE OF LPG/
ACETYLENE/ARGON
l. Applicability: This Schedule is applicable to all operations in welding/cutting of materials
with the use of Liquefied petroleum gas or acetylene gas or argon etc; in on junction with
oxygen gas.
2. Equipment’s:
(1) Gas cylinders whether filled of empty shall not be stored in rooms where welding or
cutting work is being done.
(2) Liquefied gas cylinder, when is use shall always be kept in an upright position and shall
be so placed that they cannot be knocked over.
(3) Open flames, lights, lighting of fire and smoking shall be prohibited ln close proximity
to any cylinder containing flammable gases, except those which are in use for welding, cutting
or heating.
(4) All cylinders shall be stored at a safe distance of not less than 10 meters from all operations
which produce, flames, sparks of molten metal or result in excessive heat.
(5) Every gas cylinder shall be provided with efficient standard type pressure regulator and
back flow of gas will be restricted by second non- return type valve.
(6) All welding/cutting torch shall be of standard type Which should be provided with
non-return valve.
(7) Suitable type of fire extinguishers shall be provided
near the welding/cutting place and also near the gas cylinder storage_
(8) Pipe lines from gas cylinders shall be painted with distinctive colours for identification
of each gas.
3. General:
(1) Welding and cutting operation shall be prohibited in areas containing explosive of
flammable dusts, gases, oil or vapours.
(2) Welding/cutting operations that are carried out in places where persons other than the
welders and their helpers are working or passing shall be enclosed by means of suitable
stationary or portable screens at least 2.15 meters (7 ft.) in height.
(3) All equipments like welding/cutting torch, pipe lines, brackets, non-return valves and
pressure regulators shall be examined by a competent person having know-how of such
equipments. at least once in a period of 15 days.
(4) The welding/cutting process shall be carried out by workers trained in that job and
know of the hazards of fire, back-explosion. specially fire and
(5) A log book of examination of equipments and a register of trained workers for welding /
cutting operation shall be maintained in the forms as directed by the Inspector-cum-Facilitator.