Looks more like a loop. Also looks crazy for an attic. A few manufactures have come up with some amazing attic sprinklers to avoid this setup.
Henry Fontana Operations Manager (NYC) Johnson Controls Fire Protection 100 Lighting Way Secaucus, NJ 07094 Cell: 201-210-9873 [email protected] -----Original Message----- From: Sprinklerforum <[email protected]> On Behalf Of Ed Kramer via Sprinklerforum Sent: Tuesday, October 26, 2021 1:31 PM To: [email protected] Cc: Ed Kramer <[email protected]> Subject: Gridded dry system Is this sprinkler system a gridded system? I've avoided this type of design in the past for dry systems because it 'kinda' a grid, but not really. Now I'm questioning my questioning. What are your thoughts? Reference NFPA 13 (2019) sections 8.2.3.10 and 3.3.206.5. https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.dropbox.com%2Fs%2Fu2hw3cbvlga4fcq%2FDry%2520Attic%2520System.pdf%3Fdl%3D0&data=04%7C01%7CHenry.Fontana%40jci.com%7Cebea53be686a4afa986608d998a698c9%7Ca1f1e2147ded45b681a19e8ae3459641%7C0%7C0%7C637708664747970111%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=3yyq07I544w3VBfnc%2Fhci8K4RFLI5MZXndMaWST9yo4%3D&reserved=0 Ed Kramer _______________________________________________ Sprinklerforum mailing list [email protected] https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.firesprinkler.org%2Flistinfo.cgi%2Fsprinklerforum-firesprinkler.org&data=04%7C01%7CHenry.Fontana%40jci.com%7Cebea53be686a4afa986608d998a698c9%7Ca1f1e2147ded45b681a19e8ae3459641%7C0%7C0%7C637708664747970111%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=U7kI10r0dDnNF7L4ux2oNoZkM5TQ7gQDdlUcTR78%2BT8%3D&reserved=0 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
