Ben,
Sections 7.7.2, 7.12.3, and 7.12.3.1 should have the answers to your questions, but may not be the answers you’re looking for. Ed Ed Kramer Bamford Fire Sprinkler Co., Inc. 5134 Merriam Dr./Shawnee Mission, KS 66203 Phone: 913-432-6688 Fax: 913-432-5294 Cell: 785-766-4894 [email protected] From: Sprinklerforum [mailto:[email protected]] On Behalf Of Ben Young Sent: Friday, November 17, 2017 10:05 AM To: [email protected] Subject: FDC sizing on wet automatic standpipes I'm not lucky enough to be able to treat the FDC on a wet automatic standpipe as supplemental am I? We have a building with a combined sprinkler and standpipe system that's wet automatic. Building is 8 stories, but separated. etc. etc. Since the standpipe is wet automatic, the FDC isn't the only supply source, so do we still have to calculate it hydraulically? Total standpipe demand is 1000 GPM We're using NFPA 14, 2013 edition. Basically, I'm trying to figure out if its OK to run 4" to the FDC and use a single Siamese instead of 6" piping to a 4-way or two Siamese connections. Benjamin Young
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