Occasionally, additional hose valve connections are required due to the failure of meeting a 150-ft / 200-ft travel distance to a hose connection.
Can you put a hose valve connection on a sprinkler system without a standpipe? How do you reflect this in a hydraulic calculation? A most-remote standpipe would require 500 gpm in a standpipe calculation. Thanks in advance. Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
5 Comments
Dan Wilder
8/7/2023 08:29:09 am
If the requirement is coming out of the IBC/IFC 905.4.6, it needs to be per NFPA 14 (905.2 provides the NFPA 14 reference). They have been confused a lot and the NFSA EOD April 2020 #3 addressed it. A hose valve attached to a sprinkler system is not a standpipe system and is treated separately.
Reply
S Choi
8/20/2023 03:06:37 pm
Dan: Can you enlighten me where you can find 22"-16.5.2 , 19.1.6.3 and 20.15.2.5. Is this in 2022 NFPA 13 which is not adopted by any code? Thanks.
Reply
Glenn Berger
8/7/2023 09:10:22 am
Concur with Dan's response -
Reply
Casey Milhorn
8/7/2023 09:12:17 am
No you would not be able to add a hose valve from the sprinkler systems, that would be a hose station as Dan said.
Reply
S choi
8/20/2023 03:09:44 pm
Some Fire Department like to pull more hose. But some of AHJ will require hose valve as mitigation measure if they cannot meet 150 feet hose pull requirement. I am asking designer to share their experience how they treat these hose valve. Thanks.
Reply
Leave a Reply. |
ALL-ACCESSSUBSCRIBESubscribe and learn something new each day:
COMMUNITYTop January '25 Contributors
YOUR POSTPE EXAMGet 100 Days of Free Sample Questions right to you!
FILTERS
All
ARCHIVES
February 2025
PE PREP SERIES |