Log in to follow, share, and participate in this community. Dear Need your support to understand the smoke fan start and stop logic in case of fire alarm. In one of our building's cable room we have Supply smoke inlet fan and exhaust smoke fan. As per HVA... For the high pressure CO2 system, especially for the distrIbution pipe system. What is the pressure test requirement according to NFPA? What is the test pressure value and shall we do air pressure test or water pressu... Hi, I would like to ask about using the UPVC pipe, class 5 as an underground fire protection mainline, I knew that UPVC pipe is not listed in NFPA13 & 24, so what are the potential risks in case I used it? o... Dear sir/Madam, Subject: Emergency lighting fixtures I have a Question for NFPA to clarify : 1. Are all lighting fixtures (luminaries) used for emergency lighting required to be listed? 2. Does that incl... Good day Forum Do you have any recommendations for fire rated wires to be used in an area experiencing heavy sea blast? the bare copper connections are turning black and corroding. thank you. While designing out door parking Car shade- steel Canopy which contain a fabric as a shade - its required for the fabric to pass test 1 or test 2 according to NFPA 101, NFPA 701. But its not mentioned how... Cennox is a nationwide corporation looking for a Commercial Systems Inspector. Part- Time in the Cleveland,OH; North Dayton, OH; Full- Time in Richmond, VA; Norfolk, VA; St. Louis, MO I have an MRI Room that have 2 HVAC system the first one is closed which take and supply air inside the room it self. The second one is an AHU fresh air supply and exhaust connected to main Hospital system. ... Hi Team, One of our maintenance site, We have a requirement to test and maintain the fire pumps. Last week we have conducted the flow test of fire pumps during the tim... Hello, We recently have had our rolling fire doors inspected and during the inspection the worker mentioned he thought Fire Doors weren't needed if sprinkler systems were installed on both sides of the fire doo... Hello again. Can a quick response sprinkler and a standard response sprinkler be combined in same system? Thanks George We are having the building of four floors, so from each floor there is drain. Pipes for sprinkler system is black steel. Is there any NFPA code stating the material or is there any standard practice that we should use... I'm with an AHJ and we were thinking of enforcing all of the NFPA 5 year inspections. Just looking for thoughts and advice on who out there is testing the FDC's according to 25. Thanks. Is there a standard on how many drips you can have for pump packing? I´ve got a quick question, consult you regarding an appreciation of NFPA 13 and the installation of sprinkler piping systems. In several projects in which we have been consultants and also contractors, the... I am working with a facility that utilizes low-expansion foam systems, with foam in bladder tanks. They have a hydrant on the property that flows water and foam when opened. What would be the cause of this?... Are we required by code to remove abandoned fire sprinkler pipe.? If we do, what section of code authorize that. I have read NFPA 13 2013 edition section 27.2.3. It is required to be uniquely identified.. In a ... Is check valve required to be installed after gate valve for zone control valve. There 2 scenario mentioned in NFPA 13 with check valve and without check valve. Which one should be followed. Dear NFPA, My site has an issue with the fire main, it could not maintain the supply pressure. I suspect there is a leakage with the underground fire main. In such scenarios, what actions/techniques are recomm... Are there any exceptions that allow for more than five appurtenances between section valves on the main line?