Cellulosics (cellulose acetate, cellulose acetate butyrate, ethyl cellulose)
Chloroprene rubber
Fluoroplastics (ECTFE, ethylene-chlorotrifluoroethylene copolymer; ETFE, ethylene-tetrafluoroethylene copolymer; FEP, fluorinated ethylene-propylene copolymer)
Natural rubber (nonexpanded)
Nylon (Nylon 6, Nylon 6/6)
PVC (polyvinyl chloride greater than 5-percent, but not exceeding 15-percent plasticized)
Silicone rubber
Fluoroplastics (PCTFE, polychlorotrifluoroethylene; PTFE, polytetrafluoroethylene)
Melamine (melamine formaldehyde)
Phenol
PVC (polyvinyl chloride, rigid or plasticized less than 5 percent, e.g., pipe, pipe fittings)
PVDC (polyvinylidene chloride)
PVDF (polyvinylidene fluoride)
PVF (polyvinyl fluoride)
Urea (urea formaldehyde)
FIGURE 3203.7.4
MIXED COMMODITIESa, b
TABLE 3206.2
GENERAL FIRE PROTECTION AND LIFE SAFETY REQUIREMENTS
COMMODITY CLASS | SIZE OF HIGH-PILED STORAGE AREAa (square feet) (see Sections 3206.2 and 3206.4 ) | ALL STORAGE AREAS (See Sections 3206 , 3207 and 3208 )b | SOLID-PILED STORAGE, SHELF STORAGE AND PALLETIZED STORAGE (see Section 3207.3 ) | ||||||
Automatic fire- extinguishing system (see Section 3206.4 ) | Fire detection system (see Section 3206.5 ) | Building access (see Section 3206.6 ) | Smoke and heat removal (see Section 3206.7 ) | Draft curtains (see Section 3206.7 ) | Maximum pile dimensionc (feet) | Maximum permissible storage heightd (feet) | Maximum pile volume (cubic feet) | ||
I-IV | 0-500 | Not Requireda | Not Required | Not Requirede | Not Required | Not Required | Not Required | Not Required | Not Required |
501-2,500 | Not Requireda | Yesi | Not Requirede | Not Required | Not Required | 100 | 40 | 100,000 | |
2,501-12,000 Public accessible | Yes | Not Required | Not Requirede | Not Required | Not Required | 100 | 40 | 400,000 | |
2,501-12,000 Nonpublic accessible (Option 1) | Yes | Not Required | Not Requirede | Not Required | Not Required | 100 | 40 | 400,000 | |
2,501-12,000 Nonpublic accessible (Option 2) | Not Requireda | Yes | Yes | Yesj | Yesj | 100 | 30f | 200,000 | |
12,001-20,000 | Yes | Not Required | Yes | Yesj | Not Required | 100 | 40 | 400,000 | |
20,001-500,000 | Yes | Not Required | Yes | Yesj | Not Required | 100 | 40 | 400,000 | |
Greater than 500,000g | Yes | Not Required | Yes | Yesj | Not Required | 100 | 40 | 400,000 | |
High hazard | 0-500 | Not Requireda | Not Required | Not Requirede | Not Required | Not Required | 50 | Not Required | Not Required |
501-2,500 Public accessible | Yes | Not Required | Not Requirede | Not Required | Not Required | 50 | 30 | 75,000 | |
501-2,500 Nonpublic accessible (Option 1) | Yes | Not Required | Not Requirede | Not Required | Not Required | 50 | 30 | 75,000 | |
501-2,500 Nonpublic accessible (Option 2) | Not Requireda | Yes | Yes | Yesj | Yesj | 50 | 20 | 50,000 | |
2,501-300,000 | Yes | Not Required | Yes | Yesj | Not Required | 50 | 30 | 75,000 | |
300,001-500,000g, h | Yes | Not Required | Yes | Yesj | Not Required | 50 | 30 | 75,000 |
Exception: As provided for in Section 3204.2.
Exceptions:
Exception: Aisles in high-piled storage areas exceeding 2,500 square feet (232 m2) in area, that are accessible to the public and designated to contain high-hazard commodities, are protected by a sprinkler system designed for multiple-row racks of high-hazard commodities shall be a minimum of 44 inches (1118 mm) wide.
Aisles shall be a minimum of 96 inches (2438 mm) wide in areas accessible to the public where mechanical stocking methods are used.
Exception: Plastic pallets listed and labeled in accordance with UL 2335 shall be treated as wood pallets for determining required sprinkler protection.
Exceptions:
TABLE 3208.3
REQUIRED FLUE SPACES FOR RACK STORAGE
RACK CONFIGURATION | AUTOMATIC SPRINKLER PROTECTION | SPRINKLER AT THE CEILING WITH OR WITHOUT MINIMUM IN-RACK SPRINKLERS | IN-RACK SPRINKLERS AT EVERY TIER | NONSPRINKLERED | ||||
≤ 25 feet | > 25 feet | Any height | Any height | |||||
Storage height | Option 1 | Option 2 | ||||||
Single-row rack | Transverse flue space | Sizeb | 3 inches | Not Applicable | 3 inches | Not Required | Not Required | |
Vertically aligned | Not Required | Not Applicable | Yes | Not Applicable | Not Required | |||
Longitudinal flue space | Not Required | Not Applicable | Not Required | Not Required | Not Required | |||
Double-row rack | Transverse flue space | Sizeb | 6 inchesa | 3 inches | 3 inches | Not Required | Not Required | |
Vertically aligned | Not Required | Not Required | Yes | Not Applicable | Not Required | |||
Longitudinal flue space | Not Required | 6 inches | 6 inches | Not Required | Not Required | |||
Multi-row rack | Transverse flue space | Sizeb | 6 inches | Not Applicable | 6 inches | Not Required | Not Required | |
Vertically aligned | Not Required | Not Applicable | Yes | Not Applicable | Not Required | |||
Longitudinal flue space | Not Required | Not Applicable | Not Required | Not Required | Not Required |