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Overview of NFPA 72 Fire Alarm Code Revisions and Requirements (2007)

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xaviera-mcguire
22 diapositives · 340 Views · Nov 14, 2014

This document provides a comprehensive overview of the changes and updates to the NFPA 72 Fire Alarm Code as of 2007. It outlines the newly added chapters, including administrative, definitions, and fundamentals, and discusses the implications of voluntary systems and survivability during partial evacuations. Key sections on initiating devices, notification appliances, and the new requirements for LED panels are highlighted. The document also addresses amendments related to alarm actuation times, backup power, and notification sound levels in various occupancy types, ensuring compliance with fire safety regulations.

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  1. WELCOME DBI & SFFD Meet the Pros October 11, 2007

  2. Special Thanks • Kevin Green • Bill Hopple

  3. 2002 NFPA 72Fire Alarm Code • All NFPA Standards have added three new chapters up front • Chapter 1 – Administrative • Chapter 2 – Referenced Publications • Chapter 3 - Definitions

  4. 2002 NFPA 72Fire Alarm Code • Chapter 4 – Fundamentals (1) • Chapter 5 – Initiating Devices (2) • Chapter 6 – Protected Premises F/A Systems (3) • Chapter 7 – Notification Appliances (4) • Chapter 8 – Supervising Station F/A Systems (5) • Chapter 9 – Public F/A Reporting Systems (6) • Chapter 10 – Inspection, Testing & Maintenance (7) • Chapter 11 – Single and Multiple-Station Alarms & Household F/A Systems (8)

  5. Interpetation • NFPA 72 shall not be interpreted to require a level of fire protection that is greater than that which would otherwise be required by the applicable building or fire code. • NFPA 72 1.2.4*

  6. Voluntary Systems • Nonrequired (Voluntary) System. A fire alarm system component or group of components that is installed at the option of the owner, and is not installed due to a building or fire code requirement. • State scope of work plainly. • NFPA 72 3.3.111

  7. Survivability Survivability is only required in partial evacuation or relocation buildings. All circuits necessary for operation of the notification devices until they enter the evacution zone they serve must either use: • 2-hour rated cable • 2-hour rated enclosure • AHJ approved method (Class A circuitry) NFPA deleted the exception for using a 2-hour stair enclosure NFPA 72 6.9.4

  8. Annunciation • All required annunciation means shall be readily accessible to responding personnel and located as required by the AHJ to facilitate an efficient response to a fire situation. • NFPA 72 4.4.6.1.1

  9. LED Panels Required if: • More that four floors (including basements) • Unusually large floor areas • Unusually designed buildings – Podiums with separate buildings on top • 2007 SFFC Appendix VI-J 3.02

  10. LED Panels • Must include each type of initiation device by floor or area: • Manual Pull Station • Area Smoke Detector • Elevator Lobby Smoke Detector • Duct Smoke Detector • Heat Detector • Waterflow • Any Auxiliary alarm (Hood and Duct System) • Fire Pump & Generator points (if applicable)

  11. Batteries • Month and Year of Manufacture • May be field applied or factory embedded • Must be replace within 5 years from date of manufacture • N.F.P.A 72 4.4.1.8.1 & Table 10.4.3

  12. Secondary Power • 24 hours of backup power for non-alarm condition for all systems • Five minutes of backup power for alarm condition (15 minutes for hi-rise) • NFPA 72 4.4.1.5.3

  13. Initiating DevicesActuation Time • Actuation of an alarm notification device, fire safety function, and annunciation shall occur within 10 seconds after activation of an initiating device. • The Annex explains that the fire safety functions do not have to be complete in the 10 seconds, just started. • NFPA 72 6.8.1.1

  14. Pull Stations • The operable part of each manual fire alarm box shall be not less than 3½ and not more that 4 feet above floor level. • NFPA 72 5.12.4 amended by CBC Chapter 35

  15. Elevator/Shunt Trip • Confirms heat detectors used for shunt must be tied to the FACP. • Annex provides for a delay so that elevator car can be recalled. • New and existing hi-rises will not require this if built per the SFFC. • NFPA 72 6.15.4 SFFC 914.3.1.4

  16. Notification Appliances • Deleted the general minimum 75 dBA requirement. • Maintains 15 Db above ambient requirement. • NFPA 72 7.4.2.1

  17. California Amendment • NFPA 72 7.4.1.2 allows sound levels to be 120 dBA. • 2007 CBC Chapter 35 limits this to 110 dBA.

  18. Notification Appliances • Sleeping areas now require 75 dBA at the pillow level. • NFPA 7.4.4.1

  19. Corridor Strobes Follow either NFPA 7.5.4.1 or 7.5.4.2 • Room spacing rules • Corridor spacing rules • NFPA 72 7.5.4.2.4

  20. Strobe Coverage • More than two strobes in any room will always require synchroniztion. • NFPA 7.5.4.1.2

  21. 2007 CBC & CFCItems of Interest • 907.2.2 B occupancies of 500 or more occupants, or more than 99 occupants above the lowest level of discharge require a manual fire alarm system. • 907.2.3 E occupancies with occupant load of 50 or more, or more than one classroom require full coverage smoke detection.

  22. 2007 CBC & CFC • 907.14 Fire Alarm Systems required by CBC Chapter 9 must be monitored by a supervising station. • Exceptions: • Smoke detectors required by 907.2.10 • I-3 occupancies follow 907.2.6.3 • Auto sprinklers in R-3’s