Ken, I would say that you are correct that each floor is a separate sprinkler system and will require it’s own means of venting.
Regards, Dale F. Wingard, SET Designer Commercial/Marine Division NICET IV #76284 Water-based Systems 3751 Joy Springs Drive, Mobile, Alabama 36693 o: 251.661.1275 | c: 251.509.7108 | HillerFire.com [Logo Description automatically generated with low confidence][A close-up of a certificate Description automatically generated with low confidence] From: Ken Wagoner <[email protected]> Sent: Monday, October 9, 2023 10:43 AM To: [email protected] Subject: [Sprinklerforum] Air venting Forumites, I'm working on a multi-story building protected per NFPA 13. As each floor has a separate control valve, is a means to vent trapped air required on each floor? Or is it only required at the highest level of the building? My thinking is that each floor has a separate fire sprinklers system. Any thoughts? Ken Wagoner, SET Parsley Consulting 500 West Mechanic Street Harrisonville, Missouri 64701-2235 Phone: (760) 745-6181 Visit the website<https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.parsleyconsulting.com%2f&c=E,1,Y5zKJKPEh1mBEBqSR-VE9cUKl5y-eyP8BpvmE_5j9ZqW2eJbNphYzrCMBZ-2YuX6d-RRkHI4gQ1FV-cvOeCfRC58uZS9NiToZv2mx7909oCqLvCW_n5hDHeK&typo=1>
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