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Fire Station #1 Drawing Date:5 /29/09 5/29/09 13:40 <br /> HYDRAULIC CALCULATION DETAILS <br /> HYDRAULIC FLOW LOSS <br /> QTY DESCRIPTION LENGTH C ID gpm psi TOTALS <br /> Hydr Ref W Required at Hyd Area 1 225 21.9 psi <br /> 1 Pipe 4" 10x21 18' 120 4.260 225 0.2 <br /> 1 4" Grvd Shotgun Valve "90" 21' 120 4.026 225 0.3 <br /> 1 4" Grvd Butterfly Valve "BFV" 14' 120 4.026 225 0.2 <br /> Elevation Change 21'0" 9.1 <br /> Fixed Flow Flow Loss 100 gpm <br /> Hydr Ref R1 Required at Base Of Riser 325 31.8 psi <br /> 1 Pipe 4" 10x21 2' 120 4.260 325 0.0 <br /> 1 4" "GF" Adapter 0' 120 4.026 325 0.0 <br /> 1 6" Grvd 90 Ell 14' 120 6.065 325 0.1 <br /> 1 Pipe 6" 10x21 3' 120 6.357 325 0.0 <br /> 1 6" Grvd 90 Ell 14' 120 6.065 325 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 325 0.0 <br /> 1 6" MJ 90 Ell 14' 120 6.065 325 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 75' 140 6.338 325 0.2 <br /> 1 6" MJ 45 Ell 7' 120 6.065 325 0.0 <br /> 1 Pipe 6" DIx18 01 350 50' 140 6.338 325 0.1 <br /> 1 6" MJ 45 Ell 7' 120 6.065 325 0.0 <br /> 1 Pipe 6" DIx18 America DI 350 10' 140 6.338 325 0.0 <br /> 1 6" MJ 90 Ell 14' 120 6.065 325 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 325 0.0 <br /> 1 6" Flngd 90 Ell 14' 120 6.065 325 0.1 <br /> 1 6" Flngd Gate Valve Kennedy "4068A" 3' 120 6.065 325 0.0 <br /> 1 6" Flngd Back Flow Valve Ames "3000 CHART LOSS 325 6.8 <br /> 1 6" Flngd Gate Valve Kennedy "4068A" 3' 120 6.065 325 0.0 <br /> 1 6" Flngd 90 Ell 14' 120 6.065 325 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 325 0.0 <br /> 1 6" MJ 90 Ell 14' 120 6.065 325 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 325 0.0 <br /> 1 6" MJ 90 Ell 14' 120 6.065 325 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 325 0.0 <br /> 1 12" MJ Tee 60' 120 11.938 325 0.0 <br /> 1 Pipe 12" DIx18 01 350 150' 140 12.578 325 0.0 <br /> Fixed Flow Flow Loss 150 gpm <br /> Hydr Ref R2 Required at Source 475 39.7 psi <br /> Water Source 56.0 psi static, 40.0 psi residual @ 1060 gpm 475 gpm 52.4 psi <br /> SAFETY PRESSURE 12.7 psi <br /> Available Pressure of 52.4 psi Exceeds Required Pressure of 39.7 psi <br /> This is a safety margin of 12.7 psi or 24 % of Supply <br /> Maximum Water Velocity is 16.1 fps <br />