Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 346

ii. Where the RFF or the vehicle being fueled is located indoors, a gas detector set to operate at one-fifth the lower limit of flammability of natural gas shall be installed in the room. The detector shall be located within one hundred fifty millimeters (150 mm) of the ceiling or the highest point in the room. The detector shall stop the compressor and operate an audible or a visual alarm. e. Outdoor Installations The RFF shall be installed on a firm, noncombustible support to prevent undue stress on piping and conduit. f. Installation of Pressure Relief Valves Pressure relief valves shall have pressure relief device vents or vent lines to convey escaping gas to the outdoors and then upward to a safe area to prevent impinging on buildings, other equipment, or areas open to the public (e.g., sidewalks). g. Installation of Pressure Gauges For measurement and test purposes, pressure gauges shall be permitted to be installed but shall not be required. h. Pressure Regulation An RFF shall be equipped to stop fuel flow automatically when the container(s) reaches the temperature-corrected fill pressure. i. Piping and Hose i. All piping and hose from the outlet of the compressor shall be supplied as part of the RFF. ii. All gas piping to the RFF shall be installed in accordance with NFPA 54, National Fuel Gas Code. iii. The use of hose in an installation shall be restricted to the following: i.a. A fueling hose that shall be limited to a maximum length of seven hundred sixty centimeters (760 cm) and shall be supported above the floor/ground level or otherwise protected from mechanical damage from abrasion and being driven over by a vehicle 330