moke system activation, signal to activte smoke system cab sent from smoke detector of water flow switch in sprinkler system i ask about case that recommended used onley water flow switch instead of detectors.
Hi Akhil: The minimum size pipe permitted for a steel sprinkler system is 1-inch pipe for a new NFPA 13 sprinkler systems according to 2016 NFPA 13: 188.8.131.52 under Plans and Calculations; Hydraulic Calculations Procedures; General Pipe sizes shall be no less than 1 inch nominal for black or galvanized steel piping No less than 3/4 inch…
Our design is dealing with sprinkler protection for rack storage of cartoned group A plastics. Due to a height of over 25 ft (7,6m) the arrangement drawn in Figure 184.108.40.206 (b) has been chosen for single and double row racks. What is the maximum vertical distance between in-rack sprinklers for this arrangement? My question is: Is it 10ft (3,0m)…(Show moreShow less)
Thanks for your answer and explanation. I miss such concise explanations in the paragraphs. The note at the bottom of each figure for specific arrangement determines also the hight of every load/cube drawn. I misunderstood that part. Thank you for your numerous replies and patience.
Hi can anyone enlighten me where I can find the section stated on NFPA 750 A.16.1.10. It states " The preferred arrangement for pump flow measurement is given in Figure A.220.127.116.11 of NFPA 13." However, looking at NFPA 13, the last Annex Explanatory Material for Section 17 is A.18.104.22.168.5. Could the Figure reference be Section 26? Appreciate if…(Show moreShow less)
I have not done a water mist system before: This::??? Each system served by one or more dedicated pumps shall be provided with a means for measuring the discharge flow rate and pressure from each pump.??? If so sounds like they want a test header Look at 8.6.5 of 750 and 16.3.8
Dear all, what kind of fire suppression system we should install in container based standby emergency diesel generator set. Is there any specific standard/section which requires fire suppression system to be installed for this equipment? DG rating is about 2MW.
I have some doubts about storage sprinklers system that I couldn't find in NFPA 13. In what moment should I consider a foam sprinkler system to protect a ignitble liquid storage? For example: A paint, vernish, and other ignitable decor materials storage must or must not be protected for a foam sprinkler system. Could it be protected for a water…(Show moreShow less)
I have to design a small one story building with openings to all elevations. The occupancy is assembly for less than 300 people. It's a celebration pavilion next to the seashore. The question is if we can avoid to install sprinkler and fire hoses. We have a site with no water supply and all fire protection will need to come from an above ground…(Show moreShow less)
NFPA15 - version 2017 A.7.6.1 Examples of combined systems include the following: (1) Open-nozzle water spray protection for a vessel combined with area protection provided by a deluge system if water spray fixed system include deluge system why in above paragraph NFPA15 separate between them?
As per section 22.214.171.124.1.4 of NFPA 13, 2013 edition, sprinkler protection is to be provided in waste chutes on alternate floors with one sprinkler head at the top and one at the bottom. If a building has a consecutive amount of floors with no access to the chute (for arguments sake, we'll say 5 floors), can sprinkler protection be omitted along…(Show moreShow less)