Automatic Fire Alarm system | The Building Code Forum
2017年1月30日 · Fire Detection Plans submitted for review shall be submitted using the following criteria. A manual and automatic fire alarm system shall be provided in new buildings and structures other than in Group U occupancies that have a fire area exceeding 5,000 square feet in accordance with Sections 907.2.1 through 907.2.23.
Manual Fire Alarm/Standpipe requirements for Bleachers
2010年5月24日 · My question is a manual fire alarm system required for an outdoor bleacher? The second question for the same project is the requirement for a standpipe. Per IBC Section 905.3.2 a Class I automatic wet standpipe shall be provided in non sprinklered Group A building having an occupancy load exceeding 1000 persons.
Connection of Hood to Fire Alarm | The Building Code Forum
2010年2月19日 · Re: Connection of Hood to Fire Alarm Actually, the 904.3.5 only requires monitoring; it doesn't say if it should be by supervisory signal or alarm signal. I think the question is whether or not the building alarm system is required to activate if the hood discharges. That is a bit more nebulous.
907.2.1 sections Fire Alarm in occupancy? Whats included?
2010年4月16日 · An approved manual, automatic or manual and automatic fire alarm system installed in accordance with the provisions of this code and NFPA 72 shall be provided in new buildings and structures in accordance with Sections 907.2.1 through 907.2.23 and provide occupant notification in accordance with Section 907.9, unless other requirements are ...
Notification Appliances??? - The Building Code Forum
2009年10月17日 · Based on the interpretation that 907.2 is not the driver for the ONS, just the subsections, then a Group B with a manual fire alarm system per 907.2.2 need not be equipped with an ONS. This conclusion is reached because many other occupancy groups specifically require a "fire alarm system that activates the occupant notification system."
Outside horn /strobe - The Building Code Forum
2009年11月25日 · Mass. requires by amendment that a sprinkler system "Valves controlling the water supply for automatic sprinkler systems, pumps, tanks, water levels and temperatures, critical air pressures and waterflow switches on all sprinkler systems shall be electrically supervised by a listed fire alarm control unit."
Fire alarm requirements for "windowless" basement
2015年3月12日 · Fire alarm systems shall have permanently installed audible and visible alarms complying with NFPA 72 (1999 or 2002 edition) (incorporated by reference, see "Referenced Standards" in Chapter 1), except that the maximum allowable sound level of audible notification appliances complying with section 4-3.2.1 of NFPA 72 (1999 edition) shall have a ...
NFPA 72 Water flow fire alarm signal | The Building Code Forum
2009年10月19日 · 17.13.1* The provisions of Section 17.13 shall apply to devices that initiate an alarm indicating a flow of water in a sprinkler system. 17.13.2* Activation of the initiating device shall occur within 90 seconds of waterflow at the alarm-initiating device when flow occurs that is equal to or greater that that from a single sprinkler of the ...
Alteration Level 3, B Occupancy, Sprinklers Required?
2017年4月26日 · 39.3.4.2 Initiation. Initiation of the required fire alarm system shall be by one of the following means: (1) Manual means in accordance with 9.6.2.1 (1) (2) Approved automatic fire detection system in accordance with 9.6.2.1 (2) that provides protection throughout the building and the provision of 9.6.2.6 shall apply.
PIV monitoring - The Building Code Forum
2013年7月30日 · When sprinklers fail to operate, the reason most often given (64% of failures) was shutoff of the system before fire began, as may occur in the course of routine inspection or maintenance. Other leading reasons included manual intervention that defeated the system (17%), lack of maintenance (6%), and inappropriate system for the type of fire (5%).