Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 339

buildings, other equipment, or areas open to the public (e.g., sidewalks). x. Access doors shall have warning signs with the words “WARNING—NO SMOKING—FLAMMABLE GAS”. Such wording shall be in plainly legible, bright red letters on a white background with letters not less than twenty-five millimetres (25 mm) in height. xi. Fast-fill fueling indoors is permitted where storage and compression equipment is located outdoors complying the aforementioned indoor requirements. In addition, an emergency manual shutdown device shall be installed as prescribed hereto and a gas detection system equipped to sound an alarm and visually indicate when a maximum of one- fifth (1/5) of the lower flammable limit is reached shall be installed. The detector shall shut down the compressor and stop the flow of gas into the structure. 7. Installation of Containers and Container Appurtenances (Other Than Pressure Relief Devices) a. Storage containers shall be installed above ground on stable, noncombustible foundations or in vaults with ventilation and drainage. Horizontal containers shall have no more than two points of support longitudinally. Where flooding can occur, each container shall be securely anchored to prevent floating. b. Containers shall be provided with corrosion protection in accordance with the manufacturer’s instructions. Horizontally installed containers shall not be in direct contact with each other. c. Means shall be provided to prevent the flow or accumulation of flammable or combustible liquids under containers, such as by grading, pads, or diversion curbs. 8. Installation of Pressure Relief Devices a. Pressure relief valves shall discharge to a safe area and escaping gas shall not impinge on buildings, other equipment, or areas subject to occupancy. b. Pressure relief valves on pressure vessels shall be in vertical positions and fitted with rain caps. c. An overpressure protection device, other than a rupture disc, shall be installed in the fueling transfer system to prevent overpressure in the vehicle. The set pressure of the device shall not exceed one hundred twenty five percent (125%) of the service pressure of the fueling nozzle it supplies. 323