In any room in which steam pipes are used for the introduction of steam for the purpose of artificial humidification of the air the following provisions shall apply:(a)The diameter of such pipes shall not exceed [50 mms.] [Substituted by No. 1. dated 24.3.1979.] and in the case of pipes installed after 1st day of January, 1950 the diameter shall not exceed [25 mms.] [Substituted by No. 1. dated 24.3.1979.]:(b)Such pipes shall be as short as is reasonably practicable:(c)All hangers supporting such pipes shall be separated from the bare pipes by an efficient insulator not less than [13 ms.] [Substituted by No. 1. dated 24.3.1979.] in thickness:(d)No uncovered jet from such pipe shall project more than [110 mms.] [Substituted by No.1, dated 24.3.1979.] beyond the outer surface of any cover;(e)The steam pressure shall be as low as practicable and shall not exceed [5kg/square cm] [Substituted by No. 1. dated 24.3.1979.](f)The pipe employed for the introduction of steam into the air in a department shall be effectively covered with such non- conducting material as may be approved by the Inspector in order to minimise the amount of heat radiated by them into the department.Rules 29 to 33 prescribed under sub-section (4) of section 17
