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25.2.2.1 Miscellaneous Storage
25.2.2.1.1
This section shall apply to any of the following situations:
  1. Miscellaneous rack storage of Class I through Class IV commodities up to and including 12 ft (3.7 m) in height
  2. Miscellaneous rack storage of Group A plastic commodities up to and including 12 ft (3.7 m) in height
  3. Miscellaneous rack storage of rubber tires up to and including 12 ft (3.7 m) in height
25.2.2.1.2
Where in-rack sprinklers are installed in accordance with Section 25.4 through Section 25.7 to protect miscellaneous rack storage of Class I through Class IV and Group A plastic commodities, as well as miscellaneous rack storage of rubber tires, up to and including 12 ft (3.7 m) in height under a maximum 32 ft (10.0 m) high ceiling, the ceiling-level sprinkler design criteria shall be in accordance with Figure 25.2.2.1.2.
FIGURE 25.2.2.1.2 CMDA Ceiling-Level Sprinkler Design Criteria for Miscellaneous Storage Protected with One Level of In-Rack Sprinklers.
25.2.2.1.3
Installation criteria as permitted by NFPA 13 and design criteria and modifiers as permitted by the density/area method of Section 19.2 for ordinary hazard Group 2 occupancies shall be applicable.
25.2.2.1.4 Hose Connections
Hose connections shall not be required for the protection of miscellaneous storage.
25.2.2.2 Low-Piled Rack Storage
25.2.2.2.1
This section shall apply to any of the following situations:
  1. Rack storage of Class I through Class IV commodities up to and including 12 ft (3.7 m) in height
  2. * Rack storage of Group A plastic commodities up to and including 5 ft (1.5 m) in height
25.2.2.2.2
Where in-rack sprinklers are installed in accordance with Sections 25.4 through 25.7 to protect low-piled rack storage that does not meet the definition of miscellaneous storage, of Class I through Class IV and Group A plastic commodities, the ceiling-level design shall be in accordance with Figure 25.2.2.1.2.
25.2.2.2.3
For low-piled rack storage that does not meet the definition of miscellaneous storage, with solid shelves of Class I through Class IV commodities up to and including 12 ft (3.7 m) in height, in-rack sprinklers shall be provided in accordance with Section 25.6, and the ceiling-level sprinkler design shall be in accordance with Figure 25.2.2.1.2.
25.2.2.2.4
For low-piled rack storage that does not meet the definition of miscellaneous storage, with solid shelves of Group A plastic commodities up to and including 5 ft (1.5 m) in height, in-rack sprinklers shall be provided in accordance with Section 25.6, and the ceiling-level sprinkler design shall be in accordance with Figure 25.2.2.1.2.

Related Code Sections

20.1.1 General Requirements for Storage,
Miscellaneous and low-piled storage, meeting the criteria of Chapter 4, shall be protected in accordance with the relative occupancy hazard criteria ...