Lazer tag arena need to verify correct design We have been asked to look at installing sprinklers on the second floor of a dental office that is part of a larger non-sprinklered strip mall, where the owner is wishing to renovate as a residential suite. (Canada by... Hello I would like your opinion about this case please. According NFPA 13 2019 9.4.4 Sprinklers shall be with minimun nominal K factors of K=5.6. According NFPA 16 2019 7.6.1 Sprinkler... Fire pump test. Maximum positive suction pressure 72 psi 1250 gpm @ 65 psi 150% gpm @ 56 psi Testing at 100% of rated pressure gives 60 psi Discharge / -5 psi suction. So a net of 65 psi @ 1250 gpm. It is impossible t... Hi, I am new to the NFPA 291 code. Please I need some clarification on the fomula for discharge at specified residual pressure /calculating rated capacity at 20 psi (i.e. 184.108.40.206) For instance: static = 100ps... Are air bleeders required to be installed on dry standpipe systems? I cannot find any code which requires them. Does anyone know where I can find this information? What specific NFPA code addresses these places... Thanks. When performing a 5 year internal inspection on a wet/dry fire sprinkler system, is it required to perform all items which are included for the annual inspection, and then so the 5 year internal is accepted as the ann... hello what kind of fire detection is used in toilet areas for above and below fall ceiling. can anyone reply with NFPA 72 reference br sebin Hi What is the standard size and length of Fire Hose Reel or Class II Hose Reel System? Where exactly is this mentioned in NFPA standard? As per my knowledge Fire Hose Reel standard is 25mm dia and 30mt... When showing compliance for a new Fire Sprinkler system of a Single Family Home, Multipurpose wet-pipe system using the Prescriptive Pipe Sizing method referenced in NFPA 13D and the CPC-section 612.0, are any other p... If the room protected by a fire suppression system has a beam pocket, it is required/mandatory to provide Z1 & Z2 detector in any case? We are in the process of getting the civil drawings done for DC Water, my local utility. We are in the process of renovating my house. We also decided to build a detached accessory d... #Deluge valve internal inspection for 60M or 5 year frequency NFPA 25H 2017 220.127.116.11.4.1 Internal inspection of valves that can be reset without removal of a faceplate shall be permitted to be conducted every ... Hi guys, I know that in accordance with NFPA 72, 20% spare capacity for every Loop/SLC is required? But I don't know the reference. Can anyone mention the reference if I am correct? If I am wrong please also mention it. FM Global – from Property Loss Prevention Data Sheet 2-1 Corrosion in Automatic Sprinkler Systems (October 2017) 18.104.22.168 – Do not use galvanized pipe in a wet system With reference to above point, i was i... Hi. I wonder large fire pumps, 4500 gpm or 5000 gpm split case horizontal, are commonly provided in real world projects. I am not sure there are demands for such high capacity pumps in the industry. In my experi... I have a storage arrangement that has been difficult to classify. Many of my colleagues have drawn different conclusions for a variety of reasons. The storage arrangement in question is raw potatoes in pl... The hospital in my city is planning on replacing their fire pump. One of the fire protection engineers on the project asked if we require dual PRVs. He said subs city/towns require dual PRVs. I couldn’t find any... Is there a timeline when someone responds to these questions?