FPST2243_04_occupancy

FPST2243_04_occupancy - 1 Automatic Fire Suppression...

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Unformatted text preview: 1 Automatic Fire Suppression Systems FPST2243 UNIT 4 Occupancy Type Objective Upon completing this module, the student should be able to: Understand the purpose of occupancy classification Determine the right occupancy type for design Reading material OCCUPANCY AND COMMODITY CLASSIFICATIONS---NFPA 13, CHAPTER 5. A brief review on 1896, sprinkler, valves, hangers, piping. 1940, staggered spacing of sprinklers, occupancy type (light, ordinary and extra) 1953~58, standard sprinkler appeared, three subgroups of ordinary (for water supplies) 1973~74, design curve, room design method, thin wall steel pipe, special sprinkler, hydraulic calculation (performance-based design) 1991, sprinkler head performance Area/density curve 55 Defining occupancy Defining the occupancy or hazard must be the first step in system design or plan review System design must match occupancy for high probability of system success A wrong occupancy classification or change in occupancy may prove to be the Occupancy and commodity classifications (Chapter 5) For occupancies that are NOT warehouses, five occupancy classes are identified: Light Hazard Ordinary Hazard, Group 1 and Group 2 Extra Hazard, Group 1 and Group 2 See Section 5.1 for the definitions Note that there used to be an Ordinary Classification...
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This note was uploaded on 09/28/2011 for the course FPST 2243 taught by Professor Staff during the Fall '11 term at Oklahoma State.

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FPST2243_04_occupancy - 1 Automatic Fire Suppression...

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