MSHA PROGRAM POLICY MANUAL VOLUME IV
February 2003 (Release IV-21) 48 Subpart L Compressed Air and Boilers
56/57.13015(b) Records of Inspections of Compressed Air Receivers and Other Unfired Pressure Vessels
Section (b) of standard 56/57.13015 requires that records of inspections made by inspectors holding a valid National Board Commission shall be retained by the mine operator in accordance with the requirements of the National Board Inspection Code (progressive record – no limit on retention time) and shall be made available to the Secretary or his authorized representative.
The recordkeeping requirement may be satisfied by an operator’s written statement that the inspections have been made in accordance with the incorporated code. MSHA will accept such a certifying statement annually, without regard to format, if it is made available at the time of inspection.
56/57.13021 High Pressure Hose Connections
This standard requires the use of safety chains or other suitable locking devices at certain high-pressure hose-to-hose or hose-to-machine connections. Quick-coupling connectors are considered to be in compliance with this standard without safety chains or other locking devices if the wire used to hold the connectors is actually in use.
56/57.13030(c) Records of Inspections and Repairs of Boilers
Section (c) of standard 56/57.13030 requires that records of inspection and repairs be retained by the mine operator in accordance with the requirements of the ASME Boiler and Pressure Vessel Code and the National Board Inspection Code (progressive records – no limit on retention time) and shall be made available to the Secretary or his authorized representative.
The recordkeeping requirement may be satisfied by an operator’s written statement that the inspection and/or repairs have been made in accordance with the incorporated code. MSHA will accept such a certifying statement annually, without regard to format, if it is made available at the time of inspection.
To see the official MSHA document, click the link below and scroll to pg. 48