2704.2.2 Maximum aggregate quantities in fabrication areas.
FC § 2704.2.2
The aggregate quantities of hazardous materials stored, handled and used in a single fabrication area shall be limited as specified in this section. Exception: Fabrication areas containing quantities of hazardous materials not exceeding the maximum allowable quantities per control area established by FC 5003.1.1, 5704.3.4 and 5704.3.5. FC Table 2704.2.2.1Quantity Limits for Hazardous Materials in a Single Fabrication Area in Group H-5 a Hazard CategorySolids(pounds / square foot)Liquids(gallons / square foot)Gas(SCF / square foot)Hazard CategorySolids(pounds / square foot)Liquids(gallons / square foot)Gas(SCF / square foot)Physical-Hazard MaterialsCombustible dustNote bNot ApplicableNot ApplicableCombustible fiber Loose BaledNote bNotes b, cNot ApplicableNot ApplicableCombustible liquid Class II Class IIIA Class IIIB Combination Class I, II and IIIANot Applicable0.010.02Not Limited0.04Not ApplicableCryogenic gas Flammable OxidizingNot ApplicableNot ApplicableNote d1.25ExplosivesNote bNote bNote bFlammable gas Gaseous LiquefiedNot ApplicableNot ApplicableNote dNote dFlammable liquid Class IA Class IB Class IC Combination Class IA, IB and IC Combination Class I, II and IIIANot Applicable0.00250.0250.0250.0250.04Not ApplicableFlammable solid0.001Not ApplicableNot ApplicableOrganic peroxide Unclassified detonable Class I Class II Class III Class IV Class VNote bNote b0.0250.1Not LimitedNot LimitedNot ApplicableNot ApplicableOxidizing gas Gaseous Liquefied Combination of Gaseous and LiquefiedNot ApplicableNot Applicable1.251.251.25Oxidizer Class 4 Class 3 Class 2 Class 1 Combination oxidizer Class 1, 2, 3Note b0.0030.0030.0030.003Note b0.030.030.030.03Not ApplicablePyrophoricNote b0.00125Notes d and eUnstable reactive Class 4 Class 3 Class 2 Class 1Note b0.0250.1Not LimitedNote b0.00250.01Not LimitedNote bNote bNote bNot LimitedWater reactive Class 3 Class 2 Class 1Note b0.25Not Limited0.001250.025Not LimitedNot ApplicableHealth-Hazard MaterialsCorrosivesNot LimitedNot LimitedNot LimitedHighly toxicsNot LimitedNot LimitedNote dToxicsNot LimitedNot LimitedNote d For SI: 1 pound per square foot = 4.882 kg/m2, 1 gallon per square foot = 0.025 L/m2, 1 cubic foot = 0.02832 m3. a. Hazardous materials within piping shall not be included in the calculated quantities. b. Quantity of hazardous materials in a single fabrication area shall not exceed the maximum allowable quantities per control area in FC Tables 5003.1.1(1) and 5003.1.1(2). c. Densely packed baled cotton that complies with the packing requirements of ISO 8115 shall not be included in this material class. d. The aggregate quantity of flammable, pyrophoric, toxic and highly toxic gases shall not exceed 9,000 SCF. e. The aggregate quantity of pyrophoric gases in the building shall not exceed the amounts set forth in FC Table 5003.8.2.
