If you shut off and drain one system you can’t use a high point air vent when you refill unless you drained the whole building which pretty much defeats the purpose of having floor controls.
Mike Morey CFPS 3229 • NICET S.E.T. 123677 Project Manager • Fire Protection Group Shambaugh & Son, LP an EMCOR Company 7614 Opportunity Drive • Fort Wayne, IN • 46825 direct 260.487.7824 / cell 260.417.0625 / fax 260.487.7991 email [email protected] [cid:[email protected]] From: Fpdcdesign <[email protected]> Sent: Monday, October 9, 2023 12:28 PM To: Discussion list on issues relating to automatic fire sprinklers <[email protected]> Subject: [Sprinklerforum] Re: Air venting Ken, I think you would have to with the check valve. I would push back a little in that by adding a normally open valve and a flow switch or manifold would not change the physics of the system enough to warrant the additional vents. If you ZjQcmQRYFpfptBannerStart This Message Is From an External Sender This message originated outside your organization. ZjQcmQRYFpfptBannerEnd Ken, I think you would have to with the check valve. I would push back a little in that by adding a normally open valve and a flow switch or manifold would not change the physics of the system enough to warrant the additional vents. If you had a 2 story building without zone valves, you would only need one vent. However, if you add normally open valves and flow switches, you would now need 2 (or 3?). From the standpoint of physics, why? Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT 860-535-2080<tel:860-535-2080> (ofc) 860-554-7054<tel:860-554-7054> (fax) 860-608-4559<tel:860-608-4559> (cell) On Oct 9, 2023 at 12:06 PM, <Ken Wagoner<mailto:[email protected]>> wrote: Yes, Todd, on each floor, as they're using a Victaulic UMC manifold which includes a check valve. thanks for the information, Ken Wagoner, SET Parsley Consulting 500 West Mechanic Street Harrisonville, Missouri 64701-2235 Phone: (760) 745-6181 Visit the website<https://urldefense.com/v3/__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__;JSUlJQ!!FaxH778!fTxBK8PE-7xZT7FmscAmw7LvK4RYA1YsXdEr7WgwWkllUjSeHbzEYKqj_5tk8E7wasqqFVvy7MQVkBlJo50$> On 10/9/2023 10:49 AM, Fpdcdesign wrote: Is there a check valve on the floor control assembly? Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT 860-535-2080<tel:860-535-2080> (ofc) 860-554-7054<tel:860-554-7054> (fax) 860-608-4559<tel:860-608-4559> (cell) On Oct 9, 2023 at 11:44 AM, <Ken Wagoner<mailto:[email protected]>> wrote: Forumites, I'm working on a multi-story building protected per NFPA 13. As each floor has a separate control valve, is a means to vent trapped air required on each floor? Or is it only required at the highest level of the building? My thinking is that each floor has a separate fire sprinklers system. Any thoughts? Ken Wagoner, SET Parsley Consulting 500 West Mechanic Street Harrisonville, Missouri 64701-2235 Phone: (760) 745-6181 Visit the website<https://urldefense.com/v3/__https:/linkprotect.cudasvc.com/url?a=http*3a*2f*2fwww.parsleyconsulting.com*2f&c=E,1,Y5zKJKPEh1mBEBqSR-VE9cUKl5y-eyP8BpvmE_5j9ZqW2eJbNphYzrCMBZ-2YuX6d-RRkHI4gQ1FV-cvOeCfRC58uZS9NiToZv2mx7909oCqLvCW_n5hDHeK&typo=1__;JSUlJQ!!FaxH778!fTxBK8PE-7xZT7FmscAmw7LvK4RYA1YsXdEr7WgwWkllUjSeHbzEYKqj_5tk8E7wasqqFVvy7MQVkBlJo50$> _________________________________________________________ SprinklerForum mailing list: https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org<https://urldefense.com/v3/__https:/lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org__;!!FaxH778!fTxBK8PE-7xZT7FmscAmw7LvK4RYA1YsXdEr7WgwWkllUjSeHbzEYKqj_5tk8E7wasqqFVvy7MQVAr48BC8$> To unsubscribe send an email to [email protected]<mailto:[email protected]> _________________________________________________________ SprinklerForum mailing list: https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org<https://urldefense.com/v3/__https:/lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org__;!!FaxH778!fTxBK8PE-7xZT7FmscAmw7LvK4RYA1YsXdEr7WgwWkllUjSeHbzEYKqj_5tk8E7wasqqFVvy7MQVAr48BC8$> To unsubscribe send an email to [email protected]<mailto:[email protected]> _________________________________________________________ SprinklerForum mailing list: https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org<https://urldefense.com/v3/__https:/lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org__;!!FaxH778!fTxBK8PE-7xZT7FmscAmw7LvK4RYA1YsXdEr7WgwWkllUjSeHbzEYKqj_5tk8E7wasqqFVvy7MQVAr48BC8$> To unsubscribe send an email to [email protected]<mailto:[email protected]> This message is for the named person's use only. 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