02-658-14 Me. Code R. § 7

Current through 2024-51, December 18, 2024

Section 658-14-7 - Propane or Natural Gas Dispensing Stations

All installations of dispensing stations must comply with the following requirements:

14.7.1 Propane dispensers must be installed in accordance with NFPA 58.

14.7.2 Liquified or compressed natural gas dispensers must be installed in accordance with NFPA 52.

14.7.3 Dispenser installations are required to have the electrician get an electrical permit, and the permit approved by an electrical inspector, before the license can be issued.

14.7.4 All propane or natural gas dispensing stations must have available to the operator a chart showing permissible filling capacities of containers

14.7.5 All propane or natural gas dispensing stations must post signs indicating no smoking allowed within twenty-five (25) feet. Such signs shall be visible from all directions of the dispenser.

14.7.6 Dispensing station actuators on internal valves and emergency shut-off valves must not be operated with a flammable gas.

14.7.7 All dispensing stations shall be enclosed with a minimum six (6) feet (1.8 m) high industrial type chain-link fence meeting clearance and egress requirements of NFPA 58. All piping, valves and pumps shall be within the enclosure.

14.7.8 All Propane dispensing stations must post signs indicating "no smoking allowed within 25'", "Propane" and the "UN1075" hazard placard. Such signs shall be visible from all directions of the dispenser.

14.7.9 All Natural Gas dispensing stations must post signs indicating "no smoking allowed within 25 feet", "Natural Gas" and the "UN 1972" hazard placard. Such signs shall be visible from all directions of the dispenser.

14.7.10 When delivering propane to a dispensing station, the delivery technician must verify that the dispensing station has a valid license prior to completing the delivery. If the dispensing station is not licensed, the delivery shall not be completed until such time as the dispenser has been properly licensed.

14.7.11Dispenser Weather Shelters

Where propane, compressed natural gas or liquefied natural gas dispensers are installed beneath a weather shelter to cover the working space while filling operation is in progress, the following requirements must be met:

(1) The weather shelter must be designed to prevent accumulation or entrapment of ignitable vapors and shall not be enclosed for more than 50% of its perimeter.

(2) All electrical equipment installed beneath the weather shelter or enclosure must be suitable for Class I, Division 1 hazardous (classified) locations.

(3) The weather shelter and supporting structure must be made from noncombustible materials.

(4) No portion of the container supplying gas to the dispenser may be located beneath the weather shelter.

02-658 C.M.R. ch. 14, § 7