Log in to follow, share, and participate in this community. Why NFPA 20 suggests hollow shaft motor for fire pumps? Can anybody clarify. For parking smoke system, what is the max. number of smoke zone that can be connected to one smoke fan? A building contractor is telling me that I need to install a fire extinguisher (properly sized/rated) within the enclosure of my exterior standby-power generator. I cannot find a requirement for this in NFPA 1, NFPA 1... Hi, In Which occupancy and hazard will cover the Water Pumping Stations as per the NFPA?. Please share your experiences. Looking in the NFPA13 2016 handbook and trying to find some verbiage about hanger spacing and location of hanger when we have pipe direction changes for a 1 1/2" , 2" , 3" , 4" and 6' pipe I have a concerned issue with using galvanized steel pipe (ASTM A53) and malleable iron fittings in a combination water supply to domestic water systems and fire sprinkler systems. Galvanized pipe and fittings ... I have in my hospital intermediate sprinkler head yellow bulb is this accepted by NFPA 13, OR we have to change the sprinkler head to Ordinary type red bulb Dear guys, I have a question about Foam protection for Warehouse Class IB. As requirement of Table 22.214.171.124 Max Storage heigh 25ft, Max ceiling 30ft but in my project have Storage heigh 28ft & ceiling ... #Nfpa 14 Section 126.96.36.199.1 indicates for class I and III stand pipes they need to flow 500 gpm from the most remote stand pipe through the most remote 2 1/2 inch outlets. Does this mean that on the most remote interm... Kindly clarify Black steel pipe can be used in the foam concentrate line? As per NFPA 16 2019 Clause 188.8.131.52 Foam concentrate pipe and valve shall me made of one of th... Good day, I wanna limit the shutoff pressure of the firewater pump to a value equal to 105% of the rated head without installing a PCV on the discharge manifold. A supplier offered a pressure sensor to control the shu... Hi everyone, I am designing a system that has automatic sprinklers, deluge system, hoses and hydrants. Once I finish the hydraulic calculation of the systems working together, when I try to select the pump system, in ... Why should not use a supervisory switch not installed in the external network OS & Y gate valve ? Regards Hazman Hi, i need expert opinion on subject mentioned, I m working in MEP contracting company as a mechanical engineer, I need to perform fire sprinkler hydraulic calculation for one of our pr... Hirago is working with a top MEP company in the Cayman Islands. Our client has hired us to need to find an experienced Fire Protection Foreman to work in Grand Cayman. The Cayman Islands is only a 2-3 hour... hi. i am little bit confused about fire hydrant testing. what is the criteria to select the number of hydrants to flow during testing. as per AHJ, the minimum acceptable residual pressure is 50 psi. ... Introducing FSS ProGuard 295UL, the fire protection industry’s first, and only, UL Listed bacterial and corrosion inhibitor! FSS ProGuard 295UL from Huguenot laboratories is a corrosion and bacterial inh... Greetings Please advise about the firefighting system requirements for raw material store as a part of factory, can i follow the requirements related to factory's hazard classification, for example (Plastics f... NFPA 72: Has anyone found a reference that requires the balcony of a high rise to have notification?