Nope. HSW is not an option.
John Irwin DynaFire Inc. *From:* Sprinklerforum [mailto: sprinklerforum-boun...@lists.firesprinkler.org] *On Behalf Of *Matt Grise *Sent:* Tuesday, November 21, 2017 7:33 AM *To:* sprinklerforum@lists.firesprinkler.org *Subject:* RE: [EXTERNAL] Interesting issue .. residential sprinklers .. Any soffits over bathrooms or HVAC supply? We have done 20x20 sidewalls in places like this. Matt *From:* Sprinklerforum [ mailto:sprinklerforum-boun...@lists.firesprinkler.org <sprinklerforum-boun...@lists.firesprinkler.org>] *On Behalf Of *Ed.Tambini *Sent:* Tuesday, November 21, 2017 6:20 AM *To:* sprinklerforum@lists.firesprinkler.org *Subject:* RE: [EXTERNAL] Interesting issue .. residential sprinklers .. Use half of a riser clamp and put the pipe tight to the deck *From:* Sprinklerforum [ mailto:sprinklerforum-boun...@lists.firesprinkler.org <sprinklerforum-boun...@lists.firesprinkler.org>] *On Behalf Of *John Irwin *Sent:* Tuesday, November 21, 2017 4:27 AM *To:* sprinklerforum@lists.firesprinkler.org *Subject:* [EXTERNAL] Interesting issue .. residential sprinklers .. I am working on a project with a lot of 20x20 rooms in dwelling units. I have a concrete deck so my piping will be exposed. I am trying to find a 20x20 solutions but keep running in to road blocks. Maybe someone has an idea. The way I see it, I need one of the following … I need a residential pendent sprinkler that can be installed with a deflector distance from the deck greater than allowed by NFPA 13 OR I need a residential UPRIGHT sprinkler listed for 20x20 spacing OR I need a listed hanger attachment that will allow me to install 1" branch piping tight to a concrete deck. And go. John Irwin DynaFire, Inc.
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