5804.2.1 Location of outdoor storage areas.
FC § 5804.2.1
Outdoor storage areas for flammable gases shall be located at or above grade level, and in accordance with FC 5804.2.1.1 and FC Table 5804.2.1, as applicable. FC Table 5804.2.1Flammable Gases Distance from Outdoor Storage Areas to Exposures Type of Outdoor ExposureFlammable Gas Storage Area More Than1,500 SCF up to Maximum 3,500 SCFMinimum Distance to Outdoor Exposure (feet)Type of Outdoor ExposureFlammable Gas Storage Area More Than1,500 SCF up to Maximum 3,500 SCFMinimum Distance to Outdoor Exposure (feet)Building or structure of combustible construction10 aBuilding or structure of noncombustible construction5 aBuilding openings 10Flammable and combustible liquidsAboveground – 1,000 gallons or less10 aFlammable and combustible liquidsAboveground – in excess of 1,000 gallons20 aFlammable and combustible liquidsUnderground tank – 1,000 gallons or less10 aFlammable and combustible liquidsUnderground tank – 1,000 gallons or lessVent or fill opening of tank15 aFlammable and combustible liquidsUnderground tank – in excess of 1,000 gallons15 aFlammable and combustible liquidsUnderground tank – in excess of 1,000 gallonsVent or fill opening of tank15 aFlammable gas storage area, any pressure 1,500 SCF or less10 aFlammable gas storage area, any pressureMore than 1,500 SCF up to maximum 3,500 SCF 20 aOxygen storage – 20,000 SCF or lessIn accordance with NFPA 51 aOxygen storage – in excess of 20,000 SCFIn accordance with NFPA 55 aCombustible material or combustible waste10 aAir compressor intakes or inlets to ventilating or air-conditioning equipment5Group A occupancies and public gathering places25Public sidewalks and parked motor vehicles10Public streets, private roads and lot lines10 a For SI: 1 foot = 304.8 mm, 1 cubic foot = 0.02832 m3, 1 gallon = 3.785 L. a. The minimum required distances shall be reduced to 5 feet when protective structures having a minimum fire-resistance rating of 2 hours interrupt the line of sight between the container and the exposure. The protective structure shall be at least 5 feet from the exposure. The configuration of the protective structure shall be designed to allow natural ventilation to prevent the accumulation of hazardous gas concentrations.
