The Philippines, Occupational Safety and Health Standards
RULE
1100
GAS AND ELECTRIC WELDING AND CUTTING OPERATIONS
Source:
Occupational Safety and Health Standards (As Amended).
Bureau of Working Conditions, Department of Labour and
Employment, Manila, Philippines. Second Publication, as amended,
1990. Copyright Reserved per P.D. 49
RULE 1100
1100.01 : General Provisions:
(1) Welding or cutting operations shall not be permitted in
rooms or areas containing combustible materials or in
proximity to explosives or flammable liquids, dusts,
gases
or vapors, until all fire and explosion hazards are
eliminated.
(2) Welding or cutting operations on containers filled with
explosives or flammable substance is prohibited.
Welding
closed containers that have held explosive or flammable
substance shall only be undertaken after the containers
have been thoroughly cleaned and found completely free
of
combustible gases or vapors or the containers are
filled
with inert gas or with water.
(3) Welding and cutting operations carried out or done in
places where persons other than the welders work or
pass
shall be enclosed by means of suitable stationary or
portable screens. Screens shall be opaque, of sturdy
construction to withstand rough usage of a material
which
will not readily be set on fire by sparks or hot metal,
at
least 2 m. (6.5 ft.) high, and preferably painted with
light flat paint.
(4) A portable fire extinguisher shall be provided at the place
where welding and cutting operations are being
undertaken
(5) Authorization, before welding and cutting operations are
allowed in large establishments, the area shall be
inspected by the safety man. He shall issue a written
permit or authorization for welding and cutting,
indicating
therein the precautions to be followed to avoid fire or
accidents.
1100.02 : Personal Protective Equipment:
(1) All workers or persons directly engaged in welding or
cutting operations shall be provided with the following
personal protective equipment:
a. goggles, helmets or head shields fitted with suitable
filter lenses and hand shields, and b . suitable
aprons.
(2) all persons directly assisting in welding or cutting
operations shall be provided with gloves, goggles or
other
protective clothings, as may be necessary.
1100.03 : Welding or Cutting in Confined Spaces:
The inhalation of any fumes, gases or dusts by persons welding
or cutting in confined spaces shall be prevented by the provision
of:
(1) Local exhaust and general ventilation system to keep fumes,
gases or dusts within allowable concentrations or
threshold
limit values.
(2) Approved types of respiratory protective equipment
The International Labour Organization is a United Nations specialized agency.