Section 60 in The West Bengal Factories Rules, 1958
60. Exemptions.
- The requirements of sub-section (4) of section 37 shall not apply to the following processes carried on in any factory :(a)The operation of repairing a water-sealed gas-holder by the electric welding process, subject to the following conditions:-(i)The gasholder shall contain only the following gases, separately or mixed at a pressure greater than atmospheric pressure, namely, town gas, coke-over gas, producer gas, blast furnace gas, or gases other than air, used in their manufacture:Provided that this exemption shall not apply to any gasholder containing acetylene or mixture of gases to which acetylene has been added intentionally.(ii)Welding shall only be done by the electric welding process and shall be carried out by experienced operatives under the constant supervision of a competent person.(b)The operation of cutting or welding steel or wrought iron gas mains and services by the application of heat, subject to the following conditions:-(i)the main or service shall be situated in the open air, and it shall contain only the following gases, separately or mixed at a pressure greater than atmospheric pressure, namely, town gas, coke-oven gas, producer gas, blast furnace gas, or gases other than air, used in their manufacture;(ii)the main or service shall not contain acetylene or any gas or mixture of gases to which acetylene has been added intentionally;(iii)the operation shall be carried out by an experienced person or persons and at least two persons (including those carrying out the operations) experienced in work on gas mains and over 18 years of age shall be present during the operation;(iv)the site of operation shall be free from any inflammable or explosive gas or vapour;(v)where acetylene gas is used as a source of heat in connection with an operation it shall be compressed and contained in a porous substance in a cylinder; and(vi)prior to the application of any flame to the gas main or service, this shall be pierced or drilled and the escaping gas ignited.(c)The operation of repairing an oil tank on any ship by the electric welding process shall be subject to the following conditions :-(i)The oil contained in the tank shall have a flash point of not less than 65.6°C (close test) and a certificate to this effect shall be obtained from a competent analyst.(ii)The analyst's certificate shall be kept available for inspection by an Inspector, or by any person employed or working on the ship.(iii)The welding operation shall be carried out only on the exterior surface of the tank at a place (a) which is free from oil or oil-leakage in inflammable quantities; and (b) which is not less than 35.5 cm. below the nearest part of the surface of the oil within the tank; and(iv)Welding shall be done only be electric welding and shall be carried out by experienced operatives under the constant supervision of a competent person.[Rules 61 and 62 prescribed under sub-section (3) of section 38 and section 41] [Substituted by W. B. Factories Amendment Rules, 1991, dated 27.11.1991]
