3206.3.2.2 Multiclass high-piled storage areas.
FC § 3206.3.2.2
High-piled storage areas classified as Class I through Class IV not separated from high-piled storage areas classified as high hazard shall utilize the aggregate of all high-piled storage areas as high hazard for purposes of application of FC Table 3206.2. To be considered as separated, 1-hour fire-resistance-rated fire barrier walls shall be constructed in accordance with the construction codes, including the Building Code. Openings in such walls shall be protected by opening protective assemblies having a 1-hour fire protection rating. Exception: As provided for in FC 3204.2. FC Table 3206.2General Fire Protection and Life Safety Requirements Commodity Class Size of High-Piled Storage Area a(square feet)(see FC 3206.2 and 3206.4)All Storage Areas(See FC 3206, 3207 and 3208) bSolid-Piled Storage, Shelf Storage andPalletized Storage(see FC 3207.3)Automatic fire- extinguishing system(see FC 3206.4)Fire detection system(see FC 3206.5)Building Access(see FC 3206.6)Smoke and heat removal(see FC 3206.7)Draft curtains(see FC 3206.7)Maximum pile dimension c(feet)Maximum permissible storage height d(feet)Maximum pile volume(cubic feet)Commodity Class Size of High-Piled Storage Area a(square feet)(see FC 3206.2 and 3206.4)All Storage Areas(See FC 3206, 3207 and 3208) bSolid-Piled Storage, Shelf Storage andPalletized Storage(see FC 3207.3)Automatic fire- extinguishing system(see FC 3206.4)Fire detection system(see FC 3206.5)Building Access(see FC 3206.6)Smoke and heat removal(see FC 3206.7)Draft curtains(see FC 3206.7)Maximum pile dimension c(feet)Maximum permissible storage height d(feet)Maximum pile volume(cubic feet)I-IV0 - 500Not Required aNot RequiredNot Required eNot RequiredNot RequiredNot RequiredNot RequiredNot Required501 - 2,500Not Required aYes iNot Required eNot RequiredNot Required10040100,0002,501 - 12,000Public accessibleYesNot RequiredNot Required eNot RequiredNot Required10040400,0002,501 - 12,000Nonpublic accessible(Option 1)YesNot RequiredNot Required eNot RequiredNot Required10040400,0002,501 - 12,000Nonpublic accessible(Option 2)Not Required aYesYesYes jYes j10030 f200,00012,001 - 20,000YesNot RequiredYesYes jNot Required10040400,00020,001 - 500,000YesNot RequiredYesYes jNot Required10040400,000Greater than 500,000 g YesNot RequiredYesYes jNot Required10040400,000High hazard0 - 500Not Required aNot RequiredNot Required eNot RequiredNot Required50Not RequiredNot Required501 - 2,500Public accessibleYesNot RequiredNot Required eNot RequiredNot Required503075,000501 - 2,500Nonpublic accessible(Option 1)YesNot RequiredNot Required eNot RequiredNot Required503075,000501 - 2,500Nonpublic accessible(Option 2)Not Required aYesYesYes jYes j502050,0002,501 - 300,000YesNot RequiredYesYes jNot Required503075,000300,001 - 500,000 g, hYesNot RequiredYesYes jNot Required503075,000 For SI: 1 foot = 304.8 mm, 1 cubic foot = 0.02832 m3, 1 square foot = 0.0929 m2. a. When sprinkler systems are required for reasons other than those in FC Chapter 32, the portion of the sprinkler system protecting the high-piled storage area shall be designed and installed in accordance with FC 3207 and 3208. b. For aisles, see FC 3206.9. c. Piles shall be separated by aisles complying with the requirements of FC 3206.9. d. For storage in excess of the height indicated, special fire protection shall be provided in accordance with Note g when required by the commissioner. See also FC Chapters 51 and 57 for special limitations for aerosols and flammable and combustible liquids. e. FC 503 shall apply for fire apparatus access. f. For storage exceeding 30 feet in height, Option 1 shall be used. g. Special fire protection provisions including fire protection of exposed steel columns; increased sprinkler density; additional in-rack sprinklers, without associated reductions in ceiling sprinkler density; or additional fire department hose connections shall be provided when required by the commissioner. h. High-piled storage areas shall not exceed 500,000 square feet. A 2-hour fire wall constructed in accordance with the construction codes, including the Building Code shall be used to divide high-piled storage exceeding 500,000 square feet in area. i. Not required when a fire extinguishing system is designed and installed to protect the high-piled storage area in accordance with FC 3207 and 3208. j. Not required when storage areas are protected throughout by early suppression fast response (ESFR) sprinkler systems installed in accordance with NFPA 13, as modified by FC Appendix B.
