Mich. Admin. Code R. 29.7109
Rule 109. Sections 5-2 to 5-2.11 of the storage and handling of gaseous and Liquefied H2 code are added as follows:
5-2 Maintenance.
5-2.1 Hoses, nozzles, and breakaways shall be examined visually to ensure that they are safe for use and shall be maintained in accordance with manufacturer's instructions on at least a quarterly basis, or if required by the manufacturer.
5-2.2 Hose shall be tested for leaks per manufacturer's requirements, and any leakage shall be a reason for rejection and replacement.
5-2.3 Testing shall be carried out with helium or with helium/ H2 blend as the test gas or if this is not possible, with H2 using suitable precautions.
5-2.4 The facility operator shall maintain a maintenance log in good condition and accessible to department inspection. Records shall be maintained for a minimum of 2 years.
5-2.5 Controllers on fuel stations shall be designed to verify the integrity of the fuel hose, breakaway, nozzle, and receptacle by pressurizing these components to at least the vehicle back pressure and checking pressure drop prior to the start of fueling.
5-2.6 Containers and their appurtenances, piping systems, compression equipment, controls, and detection devices shall be maintained in operating condition and according to manufacturer's instructions.
5-2.7 Pressure relief valves shall be maintained in operating condition.
5-2.8 Maintenance personnel shall be trained in leak detection procedures.
5-2.9 Area within 10 feet (3.1 meters) of dispenser shall be free from debris, weeds and other material that present a fire hazard.
5-2.10 Safety, gas detection, and fire protection equipment shall be tested or inspected at intervals not to exceed 6 months.
5-2.11 Maintenance activities on fire control equipment shall be scheduled so that a minimum of equipment is taken out of service at any 1 time and fire prevention safety is not compromised.
Mich. Admin. Code R. 29.7109