14.6.1.1 A set of reproducible as-built installation drawings, operation and maintenance manuals, and a written sequence of operation shall be provided to the building owner or the owner’s designated representative. Looking for our NICET Fire Alarm System Exam Study… Continue Reading
Saw this install at a project in a newly built warehouse. The blue colored pull station is there to release the standpipe solenoid. The standpipe is dry, not holding water, because it is installed in a huge freezer where if… Continue Reading
The idea behind requiring a manual fire alarm box is to allow a means to initiate an alarm signal to Central Station in the event the fire detector or sprinkler water flow device is out of service or being tested.… Continue Reading
Below is an installation of a smoke detector on a peaked ceiling. NFPA 72 says that such detector shall be installed within 36 inches of the peak of the ceiling. 17.7.3.3* Peaked. Detectors shall first he spaced and located within… Continue Reading
Here’s a video of a VESDA system at work. Some NFPA references about this installation. 17.7.3.6 Air Sampling~Type Smoke Detector. 17.7,3.6.1 Each sampling port of an air sampling-type smoke detector shall be treated as a spot-type detector for the pur-… Continue Reading
Here we have a sprinkler water flow device activating at about 30 seconds. Here is a quote from the NFPA. Basically, activation of the fire alarm shall occur within 90 seconds of the flow of water. It shouldn’t occur immediately… Continue Reading
A top of Elevator shaft smoke detector activating a fire smoke damper. Chapter 6 Protected Premises Fire Alarm Systems. 6.15.3 Elevator Recall for Fire Fighter’s Service. 6.15.3.6 Smoke Detectors shall not be installed in un-sprinklered elevator hoistways unless they are installed… Continue Reading
