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Fire Station #1 Drawing Date:5 /29/09 5/29/09 13:21 <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 2 206 18.8 psi <br /> 1 Pipe 4" 10x21 18' 120 4.260 206 0.2 <br /> 1 4" Grvd Shotgun Valve "90" 21' 120 4.026 206 0.3 <br /> 1 4" Grvd Butterfly Valve "BFV" 14' 120 4.026 206 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 306 28.5 psi <br /> 1 Pipe 4" 10x21 2' 120 4.260 306 0.0 <br /> 1 4" "GF" Adapter 0' 120 4.026 306 0.0 <br /> 1 6" Grvd 90 Ell 14' 120 6.065 306 0.1 <br /> 1 Pipe 6" 10x21 3' 120 6.357 306 0.0 <br /> 1 6" Grvd 90 Ell 14' 120 6.065 306 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 306 0.0 <br /> 1 6" MJ 90 Ell 14' 120 6.065 306 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 75' 140 6.338 306 0.2 <br /> 1 6" MJ 45 Ell 7' 120 6.065 306 0.0 <br /> 1 Pipe 6" DIx18 Cl 350 50' 140 6.338 306 0.1 <br /> 1 6" MJ 45 Ell 7' 120 6.065 306 0.0 <br /> 1 Pipe 6" DIx18 America DI 350 10' 140 6.338 306 0.0 <br /> 1 6" MJ 90 Ell 14' 120 6.065 306 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 306 0.0 <br /> 1 6" Flngd 90 Ell 14' 120 6.065 306 0.1 <br /> 1 6" Flngd Gate Valve Kennedy "4068A" 3' 120 6.065 306 0.0 <br /> 1 6" Flngd Back Flow Valve Ames "3000 CHART LOSS 306 6.8 <br /> 1 6" Flngd Gate Valve Kennedy "4068A" 3' 120 6.065 306 0.0 <br /> 1 6" Flngd 90 Ell 14' 120 6.065 306 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 306 0.0 <br /> 1 6" MJ 90 Ell 14' 120 6.065 306 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 306 0.0 <br /> 1 6" MJ 90 Ell 14' 120 6.065 306 0.1 <br /> 1 Pipe 6" DIx18 America DI 350 5' 140 6.338 306 0.0 <br /> 1 12" MJ Tee 60' 120 11.938 306 0.0 <br /> 1 Pipe 12" DIx18 01 350 150' 140 12.578 306 0.0 <br /> Hydr Ref R2 Required at Source 306 36.3 psi <br /> Water Source 56.0 psi static, 40.0 psi residual @ 1060 gpm 306 gpm 54.4 psi <br /> SAFETY PRESSURE 18.1 psi <br /> Available Pressure of 54.4 psi Exceeds Required Pressure of 36.3 psi <br /> This is a safety margin of 18.1 psi or 33 % of Supply <br /> Maximum Water Velocity is 20.0 fps <br />