To all, I have a 4 story building with 2 exit stairways I am installing a class I manual wet standpipe combination sprinkler system. The remote stair is on the interior of the building and has a rated exit passageway on the first floor that is 73' long. I am placing all hose valves on the main floor landings and one a the exit door of the exit passage way.
I am planning on calculating 500 gpm from the remote stand pipe and 250 for the 2nd standpipe. The exit passage way hose connection will be fed by a 2/12 lateral pipe fed from the 4" horizontal supply to the remote standpipe as it pass by the exit passageway. Do I need to include an additional 250 gpm in my calcs at the hose valve at the exit passageway? Thanks Christopher S. Wilson SET Project Design Manager Treasure Valley Fire Protection 2731 S. Saturn Way Boise, ID 83709 Phone: 208-362-1888 Fax: 208-362-2207 please note all TVFP email addresses have changed new email below chr...@tvfpinc.com<mailto:chr...@tvfp.us>
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