Storage of Flammable Combustible Liquids Solids and Gases

FLOOR LEVEL NUMBER OF CONTROL AREAS PER FLOOR FIRE RESISTANCE RATING FOR FIRE BARRIERS IN HOURS) Higher Than 9 PERCENTAGE OF THE MAXIMUM ALLOWABLE QUANTITY PER CONTROL AREA 1 5% 2 7-9 2 5% 2 5% 5% 6 2 12.5% 2 12.5% 12.5% 5 2 12.5% 2 12.5% 12.5% 4 2 12.5% 2 12.5% 12.5% 3 2 50% 1 50% 50% 2 3 75% 1 1 4 100% 1 B1 3 75% 1 B2 2 50% 1 5% 75% 100% 75% 100% 75% 100% 75% 50% 75% 100% 75% 50% Lower than B2 – NO Storage is permitted Control Areas: Spaces within a building which are enclosed and bounded by exterior walls, fire walls, fire separation assemblies and roofs, or a combination thereof, where quantities of hazardous materials not exceeding the exempt amounts are stored, dispensed, used or handled Fire barriers shall include walls and floors as necessary to provide separations from other portions of thebuilding. Closed System: The use of a solid or liquid hazardous material involving a closed vessel or system that remains closed during normal operations where vapors emitted by the product are not liberated outside of the vessel or system and the product is not exposed to the atmosphere during normal operations; and all uses of compressed gases. Examples of closed systems for solids and liquids include product conveyed through a piping system into a closed vessel, system or piece of equipment. Restrictions: The head of the fire department may limit the quantity of flammable or combustible liquids, flammable solids or flammable gases that may be kept, stored, manufactured or sold under the authority of the permit to less than that specified in the table, where in his opinion, conditions are such as to warrant his restricting the amount of such fluids, solids or gases. Updated Apr 2021 Exempt Quantities Allowed Per Control Area 1st Floor Material Combustible Liquid Class Class II Class IIIA Class IIIB Gaseous Liquefied Class IA 120 gal** + 330 gal ** + 13,200 gal ** + 45 gal + 1000 ft^3** + 30 gal ** + 30 gal ** + Class IB & Class IC 120 gal ** + Cryogenics Flammable Gas Flammable Liquids Organic Peroxide Oxidizer Oxidizer Gas Unstable (Reactive) Water Reactive 100 % of Exempt Quantity Storage Combination Flammable Liquid1A, 1B, 1C UD Class I Class II Class III Class 4 Class 3 Class 2 Class 1 Gaseous Liquefied Class 4 Class 3 Class 2 Class 1 Class 3 Class 2 120 gal ** + X 1 lbs** 5 lbs** + 50 lbs** + 125 lbs ** + 1 lbs ** z 10 lbs ** + 250 lbs ** + 4000 lbs ** Y 1500 ft^3** + 15 gal** + 1 lbs or 10 ft^3 + 5 lbs or 50 ft^3 ** + 50 lbs or 250 ft^3 **+ N/L 5 lbs ** + 50lbs ** + + Value can be increased up to 100% if building is equipped throughout with an automatic sprinkler system ** X Containing not more than the maximum allowable quantity per control area of Class 1A, 1B or 1C flammable liquid Y Z The permitted quantities shall not be limited in a building equipped with a 100% automatic sprinkler system Only permitted in buildings with 100% automatic sprinkler protection. Value can be increased up to 100% when stored in approved cabinets, fume hoods, exhausted enclosures, or safety cans Updated Apr 2021 Exempt Quantities Allowed Per Control Area, 2nd Floor and Basement. Material Combustible Liquid Gaseous Liquefied Class IA 75 % of Exempt Quantity Storage 90 gal ** + 247.5 gal ** + 9900 gal ** + 33.75 gal 750 ft^3** + 22.5 gal ** + 22.5 gal ** + Class IB and Class IC 90 gal ** + Class Class II Class IIIA Class IIIB Cryogenics Flammable Gas Flammable Liquids Organic Peroxide Oxidizer Oxidizer Gas Unstable (Reactive) Water Reactive Combination Flammable Liquid 1A, 1B, 1C UD Class I Class II Class III Class 4 Class 3 Class 2 Class 1 Gaseous Liquefied Class 4 Class 3 Class 2 Class 1 Class 3 Class 2 90 gal ** + X 0.75 lbs ** 3.75 lbs** + 37.5 lbs** + 93.75 lbs ** + 0.75 lbs ** z 7.5 lbs ** + 187.5 lbs ** + 3000 lbs ** Y 1125 ft^3 ** + 11.25 gal ** + 0.75 lbs or 7.5 ft^3 + 3.75 lbs or 37.5 ft^3 ** + 37.5 lbs or 187. ft^3 ** + N/L 3.75 lbs ** + 37.5 lbs ** + + ** Value can be increased up to 100% if building is equipped throughout with an automatic sprinkler system X Containing not more than the maximum allowable quantity per control area of Class 1A, 1B or 1C flammable liquid Y The permitted quantities shall not be limited in a building equipped with a 100% automatic sprinkler system Z Only permitted in buildings with 100% automatic sprinkler protection. Value can be increased up to 100% when stored in approved cabinets, fume hoods, exhausted enclosures, or safety cans Updated Apr 2021 Exempt Quantities Allowed Per Control Area 3rd Floor and Sub Basement Material Combustible Liquid Cryogenics Flammable Gas Flammable Liquids Organic Peroxide Oxidizer Oxidizer Gas Unstable (Reactive) Water Reactive Class 50 % Gaseous Liquefied Class IA of Exempt Quantity Storage 60 gal** + 165 gal ** + 6600 ** + 22.5 gal 500 ft^3** + 15 gal ** + 15 gal ** + Class IB and Class IC 60 gal ** + Class II Class IIIA Class IIIB Combination Flammable Liquid 1A, 1B, 1C UD Class I Class II Class III Class 4 Class 3 Class 2 Class 1 Gaseous Liquefied Class 4 Class 3 Class 2 Class 1 Class 3 Class 2 60 gal ** + X 0.5 lbs. ** 2. 5 lbs.** + 25 lbs** + 62.5 lbs ** + 0.5 lbs **z 5 lbs ** + 125 lbs ** + 2000 lbs ** Y 750 ft^3 ** + 7.5 gal ** + 0.5 lbs or 5 ft^3 2.5 lbs or 25 ft^3 ** + 25 lbs or 125 ft^3 ** + N/L 2.5 lbs ** + 25 lbs ** + + ** Value can be increased up to 100% if building is equipped throughout with an automatic sprinkler system X Containing not more than the maximum allowable quantity per control area of Class 1A, 1B or 1C flammable liquid Y The permitted quantities shall not be limited in a building equipped with a 100% automatic sprinkler system Z Only permitted in buildings with 100% automatic sprinkler protection. Value can be increased up to 100% when stored in approved cabinets, fume hoods, exhausted enclosures, or safety cans Updated Apr 2021 Exempt Quantities Allowed Per Control Area 4th – 6th Floors Material Combustible Liquid Cryogenics Flammable Gas Flammable Liquids Organic Peroxide Oxidizer Oxidizer Gas Unstable (Reactive) Water Reactive Class 12.5 % Gaseous Liquefied Class IA of Exempt Quantity Storage 15 gal** + 41.25 gal ** + 1650 ** + 5.265 gal 125 ft^3** + 3.75 gal ** + 3. 75 gal ** + Class IB & Class IC 15 gal ** + Class II Class IIIA Class IIIB Combination Flammable Liquid 1A, 1B, 1C UD Class I Class II Class III Class 4 Class 3 Class 2 Class 1 Gaseous Liquefied Class 4 Class 3 Class 2 Class 1 Class 3 Class 2 15 gal ** + X 0.125 lbs** .625 lbs** + 6.25 lbs** + 15.625 lbs ** + .125 lbs ** z 1.25 lbs ** + 31.25 lbs ** + 500 lbs ** Y 187.5 ft^3 ** + 1.875 gal ** + 0.125 lbs or 1.25 ft^3 .625lbs or 6.2.5 ft^3 ** + 6.25 lbs or 31.25 ft^3 ** + N/L .625 lbs ** + 6.25 lbs ** + + ** Value can be increased up to 100% if building is equipped throughout with an automatic sprinkler system X Containing not more than the maximum allowable quantity per control area of Class 1A, 1B or 1C flammable liquid Y The permitted quantities shall not be limited in a building equipped with a 100% automatic sprinkler system Z Only permitted in buildings with 100% automatic sprinkler protection. Value can be increased up to 100% when stored in approved cabinets, fume hoods, exhausted enclosures, or safety cans Updated Apr 2021 Exempt Quantities Allowed Per Control Area 7th Floor above Material Combustible Liquid Cryogenics Flammable Gas Flammable Liquids Organic Peroxide Oxidizer Oxidizer Gas Unstable (Reactive) Water Reactive Class 5% Gaseous Liquefied Class IA of Exempt Quantity Storage 6 gal** + 16.5 gal ** + 660 ** + 2.25 gal 50 ft^3** 1.5 gal ** + 1.5 gal ** + Class IB & Class IC 6 gal ** + Class II Class IIIA Class IIIB Combination Flammable Liquid 1A, 1B, 1C UD Class I Class II Class III Class 4 Class 3 Class 2 Class 1 Gaseous Liquefied Class 4 Class 3 Class 2 Class 1 Class 3 Class 2 6 gal ** + X 0.05 lbs** .25 lbs** + 2.5 lbs** + 6.25 lbs ** + 0.05 lbs ** .5 lbs ** + 12.5 lbs ** + 200 lbs ** Y 75 ft^3 ** + .75 gal ** + 0.05 lbs or 0.5 ft^3 .25 lbs or 2.5 ft^3 ** + 2.5 lbs or 12.5 ft^3 ** + N/L lbs .25 lbs ** + 2.5 lbs ** + + ** Value can be increased up to 100% if building is equipped throughout with an automatic sprinkler system X Containing not more than the maximum allowable quantity per control area of Class 1A, 1B or 1C flammable liquid Y The permitted quantities shall not be limited in a building equipped with a 100% automatic sprinkler system Z Only permitted in buildings with 100% automatic sprinkler protection. Value can be increased up to 100% when stored in approved cabinets, fume hoods, exhausted enclosures, or safety cans Updated Apr 2021