Is it possible to install fire dampers on #firewalls? And if it is 4 hours rated firewall? Can you provide any #NFPA 1 and #NFPA 221 reference for this? Also, which approvals are required for this equipment?
A 9 storey building with a one basement car parking. The fire pump room is located in the basement car parking and has got a jockey pump, an electrical pump and a diesel pump As per the NFPA 20, section 18.104.22.168 and 22.214.171.124 – fire pump room needs to be sprinklered. I understand that the fire pump room has to be fire protected with 2 hrs/1hrs… Show more
Only the Diesel engine room needs to have sprinklers. The electric room will have a smoke detector and the diesel will have a heat detector. I do not have my NFPA 20 handy.....sorry. I do have my NFPA 20 2013. Look at 126.96.36.199 only the Diesel engine room needs to have sprinklers. The 50 foot in the table means if you have your fire pump building…
Good day, Could anyone please provide son guidance on why this underground section collapsed? This is one of the connections from the 8” loop to a riser system which services a sprinkler branch. The pumps consist of two 2,000 gpm @ 130 psi. Previous hydro tests where successfully completed to the entire loop, there are 11 sprinkler systems… Show more
Kennard, the pumps ran not four, 13 uninterrupted hours! the supervisory panel installed at the 24/7 attended guard house, got the (audible and visible) signals however, the 80+dB noise was too much for them, so they decided to take no further action but to ignore the overnight situation. Yes, the pumps got major damages, both SPP diesel…
If I have a ESFR system that ask for 250gpm for hose allowance and I add 100 at base of riser for inside hose. I have been using 150gpm outside and 100gpm inside(connect a base of riser or to another system) for a total of 250gpm.
I know painted the devices (initiating and notification) is not allowed. Are the back-boxes they are mounted to allowed to be painted? I can't find anything other than the typical "Devices must be installed per manufacturer's instructions" kind of thing. Normally the instructions will be must be mounted to a listed/approved devices. Thank… Show more
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.
Trying to figure out the chemicals for the following NFPA codes blue 1 red 4 yellow 0 blue 2 red 2 yellow 0
As a sheet with a list of stuff?? No chemical or brand name with a name like Ajax cleaner also on the inventory ?? Depending in your company someone should have material safety data sheets on some of these chemicals. A little lost on what your true question is. OHHH I am not an engineer, so you can discount my reply if…
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where in the NEC do I find requirements for automotive repair and service facilities?
While podium construction clearly allows two separate sprinkler systems (NFPA-13 and -13R) below and above a 3-hour horizontal slab, can both types of systems be combined in a single building without a podium?
This is regarding a new clubhouse/apartment building in New York state. There will be a 2-hour use group separation between the A-3 Clubhouse and the R-2 apartment building.
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Are there any municipalities out there that are taking the stance that Short Term Rentals (Air BnB, et als) are actually Rooming and Lodging and not One and Two Family dwellings? We've been told that in other forums this has been discussed and possibly used. The Definition in Chapter 26 says "sleeping accommodations for 16 or fewer persons on… Show more
Our jurisdiction had a similar issue with licensing requirements for adult foster homes without medical or personal care services that were somewhat transient in nature. We adopted totally independent fire safety rules based on the residential occupancies of the life safety code that wer best suited for elderly with mobility issues in typical…