Monday, July 9, 2012

The Standards of the Facilities of Compressed Natural Gas Stations - Part 5

B. Mother stations (station which receives and compresses natural gas supplied via pipelines and fills the high pressure gas tank loaded in a wheeled vehicle for transportation).

(1) Mother stations shall have mobile filling vehicles (wheeled vehicles with high pressure gas tank for transportation, same hereinafter).
(2) Dispensers shall be separated by at least 8 meters unless protective wall is provided between them.
(3) Mother stations shall have sufficient parking area that can accommodate the mobile filling vehicles as many as the number of dispensers plus one.
(4) Other requirements than those specified in Items (1) through (3) shall be in compliance with Items (1) through (24) in Section A.

C. Daughter stations (stations which fill motor vehicles with the compressed natural gas supplied by mobile filling vehicles).

(1) Safety distance to facilities to be protected(a) At least 10 meters of safety distance shall be maintained from the outer surfaces of the mobile filling vehicles and dispensers to the boundary of the premises. (For the facilities installed in bus parking areas, the boundary shall be the boundary of the parking area. If the premises are bordered by sea, lake, river, road, forest, or farmland, the opposite end of such areas shall be the boundary except when the forest or farmland is changed to residential zone.) However, the safety distance specified here may be reduced to half when a fire retardant board is installed on the exterior of the mobile filling vehicles or dispensers are provided with protective walls.(b) Mobile filling vehicles and dispensers which have facilities to be protected (excluding the facilities to be protected within the premises and exclusive industrial zones) within 30 meters distance shall beprovided with protective walls around the mobile filling vehicles in compliance with the standards defined and notified by MOCIE.(c) Notwithstanding the specification in Item (a) above, dispensers shall be located at least 5 meters (or 2.5 meters when a protective wall is installed) from the perimeter of a road as defined in the Road Act.(d) Mobile filling vehicles and dispensers shall be separated from a railroad by at least 15 meters.(2) The maximum number of mobile filling vehicles in a station cannot exceed 3. Sufficient parking area shall be secured for all the mobile filling vehicles(3) The length of vessels on mobile filling vehicles shall be less than 8.5 meters, and their total number cannot exceed 10.