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Home My WebLink About3348; Poinsettia Park Sewer; Poinsettia Community Park Sewer Calculations; 1993-06-14CROSBY MEAD BENTON & ASSOCIATES N. ftno E e n n w n ! OCT20I993 \ CARLSBAMUNICIPAL WATER DISTRICT s Engineers • Planners • Surveyors SEWER CALCULATIONS FOR POINSETTIA COMMUNITY PARK (ULTIMATE CONDITION) JOB NO. 114-004 JUNE 14, 1993 PREPARED BY: f *V-\vN' A CROSBY MEAD BENTON & ASSOCIATES 5650 EL CAMINO REAL, SUITE 200 CARLSBAD, CALIFORNIA 92008-7128 (619) 438-1210 ENGINEER OF WORK: MICHAEL W. NG RCE 44875 EXP. 3/31/94 DATE 5650 El Camino Real, Suite 200 • Carlsbad. California 92008 • 619/438-1210 • Fax 619/438-2765 X X 36,740 o . & /z. = t! V ^ /.6*3 /* < o x - 2-2. _ CROSBY MEAD BENTON & ASSOCIATES Engineers * Planners * Surveyors 5650 El Camino Real, Suite 200 Carlsbad, CA 92008 (619) 438-1210 '8-,' Inside Diameter ( 8.00 in. ) * * Water 03 in.) { 0.169 ft. ) Circular Channel Section Flowrate Velocity Diameter of Pipe........ Depth of Flow Depth of Flow Critical Depth Depth/Diameter (D/d) .., Slope of Pipe . . . X-Sectional Area Wetted Perimeter AIT (2/3) Mannings 'n' , Min. Fric. Slope, 8 inch Pipe Flowing Full.... 64.000 2.051 8.000 2.031 0.169 0.173 0.254 0.500 0.070 0.704 0.015 0.011 GPM fps inches inches feet feet % sq. ft feet 0.010 % o CROSBY MEAD BENTON & ASSOCIATES Engineers * Planners * Surveyors 5650 El Camino Real, Suite 200 Carlsbad, CA 92008 (619) 438-1210 '£ ' Inside Diameter ( 8.00 in.) * * Water 24 in.) ( 0.104 ft. ) Circular Channel Section Flowrate Velocity Diameter of Pipe Depth of Flow Depth of Flow Critical Depth Depth/Diameter (D/d ) . . Slope of Pipe X-Sectional Area ....... Wetted Perimeter AR~(2/3) Mannings ' n ' Min. Fric. Slope, 8 inch Pipe Flowing Full. . . . 24.000 1.531 8.000 1.245 0.104 0.104 0.156 0.500 0.035 0.541 0.006 0.011 GPM f ps inches inches feet feet % sq. ft feet 0.001 % o CROSBY MEAD BENTON & ASSOCIATES Engineers * Planners * Surveyors 5650 El Camino Real, Suite 200 Carlsbad, CA 92008 (619) 438-1210 'A Inside Diameter ( 8.00 in. ) * * Water * ( 0 83 in.) ( 0.069 ft.) Circular Channel Section Flowrate Velocity Diameter of Pipe Depth of Flow Depth of Flow Critical Depth Depth/Diameter (D/d) .., Slope of Pipe X-Sectional Area , Wetted Perimeter , AR~(2/3) , Mannings 'n' , Min. Fric. Slope, 8 inch Pipe Flowing Full 22.000 2.571 8.000 0.827 0.069 0.102 0.103 2.370 0.019 0.436 0.002 0.011 GPM fps inches inches feet feet % sq. ft feet 0.001 % o 7 CROSBY MEAD BENTON & ASSOCIATES Engineers * Planners * Surveyors 5650 El Camino Real, Suite 200 Carlsbad, CA 92008 (619) 438-1210 Inside Diameter ( 8.00 in.) * * Water * * 36 in. ) ( 0.197 ft. ) Circular Channel Section Flowrate , Velocity Diameter of Pipe Depth of Flow Depth of Flow Critical Depth Depth/Diameter (D/d) ... Slope of Pipe , X-Sectional Area Wetted Perimeter AR~(2/3) Mannings 'n' Min. Fric. Slope, 8 inch Pipe Flowing Full 86.000 2.228 8.000 2.363 0.197 0.201 0.295 0.500 0.086 0.766 0.020 0.011 0.018 % GPM fps inches inches feet feet sq. ft feet 0 7 0 . . (7 5- A" 22' * C -9<r'} - "7. 5 ' TDK * <4-l + g *• 4f -ft. X »*<**) - 3. o o £** " Pump Station Notes on Design Paqe9 FRICTION OF WATER IN PIPES AND FITTINGS WILLIAMS & HAZEN FORMULA C = 100 Loss of Head in Feet Due to FrirHoo p»-r 100 Feet of 13 year old Cast Iron Pipe * Gallons Per Min. 40 60 75 100 US 150 175 200 Z25 250 275 300 350 400 450 500 550 600 650 700 75" 80C 85C 900 950 1000 10RO - 1100 1150 1200 1250 1300 1400 1500 1600 1800 2000 2200 2400 2600 2800 3000 4 Inch Pipe Vel. 1.02 1.53 1.92 2.55 3. 19 3.84 4.45 5. 11 5.77 6.40 7.03 7.66 8.90 10.21 11.50 12.77 Fric. .0.22 0.47 .0.73 1.22 1. 86 2. 55 3.44 4.40 5. 45 6.72 7.99 9.30 12.32 16.00 19.80 24.00 6 Inch Pipe Vel. 1. 14 1.48 1.71 2.00 2.28 2.57 2.80 3.06 3.40 3.98 4.54 5. 12 5.60 6. 16 6.72 7.28 7.84 8.50 9.08 9.58 10.38 10.72 11.32 11.90 12.50 12.95 13.52 14. 10 Fric. 0. 14 0.28 0.32 0.48 0.62 0.74 0.92 1. 15 1.29 1.75 2.21 2.65 3.30 3.93 4.70 5.40 6.20 7.00 8.00 8.95 10. 11 10. 80 12.04 13.30 14.31 15.60 16.69 18.50 Williams & Hazen Coefficient "C" = 100 110 120 120 130 140 140 ISO Multiplier to Adjust Chart 1.00 0.840 0.715 0.715 0.615 0. 540 0.540 0.470 Pipe Description Average 15 year old cast iron pipe Vitrified sewer pipe New wrought iron pipe Average 5 year old cast iron pipe Average new cast iron pipe Very straight & smooth cast iron pipe New steel pipe; Cement asbestos pipe New CI pipe -*-/cent. spun bituminous lining 8 Inch Pipe Vel. 1.90 2.20 2.60 2.92 3.20 3.52 3.84 4.16 4.46 4.80 5. 12 5.48 5.75 6.06 6.40 6.70 7.03 7.35 7.67 8.00 8.32 8.95 9.60 10.25 11.50 12.70 Fric. 0. 32 0.42 0.54 0.68 0.82 0.97 1. 14 1.34 1. 54 1.74 1.97 2.28 2.46 2.87 3.02 3.21 3.51 3.84 4. 15 4.45 4.85 5.30 6.27 7.. !5 8.80 10.71 Length of Straight Pipe which will give same Friction Loss as listed Valves and Fitting.! Long Pipe Std. Radius Size Elbow Elbow 4" 11' 7" 6" 16' 11' 8" 21' 14' 10" 26' 17' 12" 32' 20' 14" 36' 23' 16" 42' 27' 45° Elbow 5' 7.7' 10' 13' 15' 17' 19' Tee through Side 22' 33' 43' 56' 66' 76' 87' Gate Valve Open 2.3' 3.5' 4. 5' 5.7' 6.7' 8.0' 9.0' Swing Check Valve Open 27' 40' 53' 67' 80' 93' 107' 10 Inch Pipe Vel. 1..64 1. 80 2.04 2.25 2.46 2.66 2.86 3.06 3.28 3.48 3.68 3.88 4.08 4.29 4.50 4.71 4.91 5. 1! 5. 31 5.71 6. 10 n. 53 7.35 8. 10 8.98 9.80 10.61 11.41 12.24 Fric. 0. 18 0.21 0.28 0.33 0.39 0.46 0.52 0.59 0.67 0.75 0.83 0.91 1.01 1.09 1.20 1.34 1.46 1.51 1.62 1.87 2.09 2.39 2.95 3.65 4.24 5.04 5.81 6.70 -7.62 Gallons Per. Min. 3200 3400 3600 3800 4000 4500 5000 5500 6000 12 Inch Pipe Vel. 1.42 1.57 1.71 1.85 2.00 2. 13 2.27 2.' 2. *o 2.70 2.84 2.98 3. 13 3. 27 3.41 3.55 3.69 3.98 4.20 4.55 5. 11 5.60 6.25 6.81 7.38 7.95 8.52 9. 10 9.66 10.25 10.80 11.35 12.78 14.20 Fric. 11 J. 14 0. 15 0. 19 0.22 0.24 0.27 0.31 0.34 0.38 0.41 0.44 0.49 0.53 0.57 0.62 0.67 0.78 0.85 0.98 1.21 1.43 1.81 2.08 2.43 2.75 3. 15 3.51 3.91 4.37 4.90 5. 32 '.. "»f 8. 40 14 Inch Pipe Vel. 1. 37 1.47 1.58 1.68 1.79 1.89 2.00 2. 10 2.20 2.31 2.42 2.52 2.63 2.74 2.94 3. 15 3.36 3.78 4.20 4.60 5.04 5.46 5.88 6.30 6.68 7. 10 7.52 7.95 8.40 9.45 10.50 11.55 12. bO Fric. 0.09 0. 10 0. 1: 0.13 0. 14 0. lo 0. U 0.1) 0. Zl 0.23 0.25 0.26 0.29 0.31 0.36 0.39 0.44 0.55 0.66 0.81 0.96 1. 13 1.29 1.47 1.67 1.86 2.08 2.36 2.47 3.22 .3.92 4.65 Htt, 16 Inch Pipe Vel. 1.59 1.67 1.75 1.83 1.91 1.99 2.07 2.22 2. 39 2.55 2. 87 3. 19 3.51 3.83 4. 15 4.46 4.79 5. 12 5.44 5.77 6.07 6.38 7.20 7.96 8.78 A9'?6 Fric. 0. 10 0. 11 0. 12 0. 13 0. 14 0. 15 0. 16 0. 18 0.21 0.24 0.30 0.39 0.46 0.54 0.62 0.70 0.80 0.88 0.98 1. 10 1.20 1.34 1.65 2.02 2.39 2.60 ••x*3 U \ ! • • , .Velocities of less than 2. 5' per second are not retom*tvended for raw sewage. (Add to Actual Pipe Length to get Equivalent Length for use with Friction Factor from above Table). Uae tv,ice the rated capacity for pneumatic ejector stations.