(a) Air compressors, air compressor tanks and equipment used in connection therewith shall be constructed, equipped and maintained to insure safe operation at all times. They shall be inspected and tested at least once a year by a qualified person and a record of each inspection shall be kept and made available to the commissioner. Air compressor tanks and other air receivers used in connection with air compressors shall have the maximum allowable working pressure conspicuously marked thereon.

(b) The requirements of section 14-1.19 of Industrial Code Rule 14, “Construction, Installation, Inspection and Maintenance of High Pressure Boilers; Construction of Unfired Pressure Vessels,” shall be met where applicable.