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A-PEX Design Services Inc. Page 1 <br />GRAYSON TH BLDG K UNIT 64 - One Head Calculation (H.1) Date 3/15/2023 <br />HYDRAULIC DESIGN INFORMATION SHEET <br />Name - GRAYSON TH BLDG K UNIT 64 <br />- 3-15-23 <br />Location - EVERETT WA 98208 <br />Building - RESIDENTIAL <br />System No. - 1 <br />Contractor - WEST COAST PLUMBING <br />Contract No. - 230315-01 <br />Calculated By - TAYLOR FAHEY <br />Drawing No. - <br />Construction: (X) Combustible <br />( ) Non -Combustible <br />Ceiling Height <br />OCCUPANCY - RESIDENTIAL <br />S Type of Calculation: ( )NFPA <br />13 Residential ( <br />)NFPA 13R (X)NFPA 13D <br />Y Number of Sprinklers Flowing: <br />(X)l ( )2 ( <br />)4 ( 1 <br />S ( )Other <br />T ( )Specific Ruling <br />Made by <br />Date <br />E <br />M Listed Flow at Start Point <br />- 17 Gpm <br />System Type <br />Listed Prey. at Start Point <br />- 12.03P8i <br />(X) Net ( ) Dry <br />D MAXIMUM LISTED SPACING 18 <br />x 18 ( <br />) Deluge ( ) PreAction <br />E Domestic Flow Added <br />- 0 GPM <br />Sprinkler or Nozzle <br />S Additional Flow Added <br />- GPM Make <br />RELIABLE Model LL-RFC49 <br />I Elevation at Highest Outlet <br />- 116 Feet Size <br />3/8 E-Factor 4.9 <br />G Note: <br />Temperature <br />Rating 155 <br />N <br />Calculation Gpm Required PI <br />Psi Required 32.63 <br />At Ref Pt STR <br />Summary C-Factor Used: <br />Overhead 150 <br />Underground 150 <br />W Water Flow Test: <br />Pump Data: <br />A Date of Test - <br />Rated Cap. <br />T Time of Test - <br />@ Psi <br />E Static (Psi) - 41 <br />Elev. <br />R Residual (Psi) - 20 <br />Other <br />Flow (GPM) - 500 <br />S Elevation - 100 <br />P Location: <br />P <br />L Source of Information: <br />Y <br />Computer Pro mms by Hydmtec Inc. Route 111 Wincham N.H. USA ON87 <br />