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<br />'. <br /> <br />W~st Winds ALF <br /> <br />Drawing Date:10-22-2006 <br /> <br />12/29/06 <br /> <br />11:44 <br /> <br />HYDRAULIC CALCULATION DETAILS <br /> <br /> <br /> HYDRAULIC FLOW LOSS <br />QTY DESCRI TION LENGTH C 10 gpm psi TOTALS <br /> f W Required at Hyd Area 1 190 34.6 psi <br />1 10x25 9' 120 4.260 190 0.1 <br />1 Butterfly Valve "BFV" 14' 120 4.026 190 0.2 <br />1 90 Ell DI 10' 120 4.026 190 0.1 <br />1 d Check Valve Tyco 590F CHART LOSS 190 0.5 <br /> Elevation Change 8'8" 3.8 <br /> Total Loss for Through Riser 4.6 psi <br />1 Pipe 4 ' PVx15 100' 150 3.900 190 0.9 <br />4 4" MJ o Ell 40' 120 4.026 190 0.5 <br />1 4" FIn d Back Flow Valve Ames "3000 CHART LOSS 190 7.5 <br /> Fixed Flow Hose Allowance 100 gpm <br />1 Pipe 1360' 150 5.950 290 3.5 <br /> <br /> <br /> <br />f Rl Required at Source <br />58.0 psi static, 48.0 psi residual @ 1061 gpm <br /> <br />SAFETY PRESSURE <br /> <br />290 51. 6 psi <br />290 gpm 57.1 psi <br /> ------- <br /> ------- <br /> 5.5 psi <br /> <br />Available <br />This is a <br /> <br />res sure of 57.1 psi Exceeds Required Pressure of 51.6 psi <br />afety margin of 5.5 psi or 10 % of Supply <br /> <br />Maximum Wa er Velocity is 7.4 fps <br />