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A-PEX Design Services Inc. <br />BENTON SQUARE BLDG B PLAN B GR - One Head Calculation (H.8) <br />HYDRAULIC DESIGN INFORMATION SHEET <br />Name - BENTON SQUARE BLDG B PLAN B GO <br />Location - EVERETT WA 98024 <br />Page 1 <br />Date 3/14/2024 <br />Date - 01-30-2024 <br />Building - RESIDENTIAL System No. - 1 <br />Contractor - RAINIER CUSTOM Contract No. - 240314-09 <br />Calculated By - LEAH BOWMAN Drawing No. - <br />Construction: (X) Combustible ( ) Non -Combustible Ceiling Height <br />OCCUPANCY - RESIDENTIAL <br />S Type of Calculation: ( )NFPA 13 Residential ( )NFPA 13R (X)NFPA 13D <br />Y Number of Sprinklers Flowing: (X)1 ( )2 ( )4 ( ) <br />S )Other <br />T ( )Specific Ruling Made by Date <br />E <br />M Listed Flow at Start Point - <br />13 <br />Gpm <br />System Type <br />Listed Pres. at Start Point - 7.04 <br />Psi <br />(X) Wet ( ) Dry <br />D MAXIMUM LISTED SPACING 16 <br />x 16 <br />( ) Deluge ( ) PreAction <br />E Domestic Flow Added - <br />0 <br />Gpm <br />Sprinkler or Nozzle <br />S Additional Flow Added - <br />Gpm <br />Make IF SENJU SPRINKLER Model LL-RFC49 <br />I Elevation at Highest Outlet - <br />124 <br />Feet <br />Size 3/8 K-Factor 4.9 <br />G Note: <br />Temperature Rating 155 <br />N <br />Calculation Gpm Required 13 Psi Required 26.21 At Ref Pt SIR <br />Summary C-Factor Used: Overhead 150 Underground 150 <br />W Water Flow Test: Pump Data: <br />A Date of Test - Rated Cap. <br />T Time of Test - @ Psi <br />E Static (Psi) - 43 Elev. <br />R Residual (Psi) - 20 Other <br />Flow (Gpm) - 500 <br />S Elevation - 100 <br />P Location: <br />P <br />L Source of Information: <br />Y <br />Computer Programs by Hydratec Inc. Route 111 Windham N.H. USA 03087 <br />