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Automatic Sprinkler Systems

Automatic Sprinkler Systems. Chapter 13. Automatic Sprinkler Systems. Most reliable fixed extinguishing system No reported multiple deaths in a completely sprinkled building Controls 70% of all fires with five or fewer sprinklers activated. Automatic Sprinkler System.

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Automatic Sprinkler Systems

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  1. Automatic Sprinkler Systems Chapter 13 Ricky Phillips, Instructor

  2. Automatic Sprinkler Systems • Most reliable fixed extinguishing system • No reported multiple deaths in a completely sprinkled building • Controls 70% of all fires with five or fewer sprinklers activated Ricky Phillips, Instructor

  3. Automatic Sprinkler System • Consist of sprinkler heads • arranged to automatically distribute water directly to the fire • Water supplied through a system of piping Ricky Phillips, Instructor

  4. Two types of Sprinkler Coverage • Complete Sprinkler Coverage • protects the entire building • Partial Sprinkler Coverage • protects only certain areas • high hazards, exit routes, places required by code or AHJ Ricky Phillips, Instructor

  5. NFPA 13 • Standard for the Installation of Sprinkler Systems • Requirements on spacing, pipe size, and all details concerning the installation of sprinkler systems Ricky Phillips, Instructor

  6. NFPA 13D • Standard for the Installation of Sprinkler Systems in One and Two Family Dwellings and Mobile Homes Ricky Phillips, Instructor

  7. FM or UL Listings • All parts of system regulated by • Factory Mutual • Underwriters Laboratories Ricky Phillips, Instructor

  8. Effects on Life Safety • Life Safety is enhanced • fire is extinguished will small • Combustion products are limited • extinguishment in incipient stage • Presence is crucial in high-rise buildings Ricky Phillips, Instructor

  9. System Fundamentals • Sprinklers • Sprinkler Design • Sprinkler Storage • Control Valves • Water Flow Alarms • Water Supply • Fire Department Connection Ricky Phillips, Instructor

  10. Ricky Phillips, Instructor

  11. Sprinklers • Discharge water • Fusible Link • Glass Bulb • Chemical Pellet • Quick Response Ricky Phillips, Instructor

  12. Sprinkler Design • Pendant • Upright • Sidewall • Special Sprinklers Ricky Phillips, Instructor

  13. Sprinkler Storage • Storage Cabinet • extra heads • sprinkler wrench • Changing sprinkler heads should only be performed by representatives of the building’s occupants. Ricky Phillips, Instructor

  14. Control Valves • OS&Y Valve • Post Indicator Valve (PIV) • Post Indicator Valve Assembly (PIVA) • Operating Valves Ricky Phillips, Instructor

  15. Waterflow Alarms • Hydraulic or electrical • warn of water movement in system • Hydraulic alarm sounds local • Electrical alarm sounds local and fire alarm system Ricky Phillips, Instructor

  16. Water Supply Ricky Phillips, Instructor

  17. Fire Department Connection • Provides outside source of water supply • Consists of at least two 2-1/2” female connections or one LDH connection • Supplied by pumper with minimum 1,000 gpm pump or greater • Minimum of two 2-1/2” lines • PDP of 150 psi. Ricky Phillips, Instructor

  18. Types of Systems • Wet-Pipe • Dry-Pipe • Pre-Action • Deluge • Residential Ricky Phillips, Instructor

  19. Wet-Pipe System Ricky Phillips, Instructor

  20. Dry-Pipe System Ricky Phillips, Instructor

  21. Deluge System Ricky Phillips, Instructor

  22. Pre-Action System Ricky Phillips, Instructor

  23. Residential System Ricky Phillips, Instructor

  24. Factors & Considerations Ricky Phillips, Instructor

  25. Controlling Water Flow from a Sprinkler Head Ricky Phillips, Instructor

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