SW4240905_Design Calculations_20241115

Hydraflow Storm Sewers Extension for Autodesk® Civil 3D® Plan
Outfall
6
7
Outfall
2
3
Outfall 4
Project File: Vedic.stm Number of lines:7 Date: 8/13/2024
Storm Sewers v2021.00

Storm Sewer Tabulation Page
Station Len Drng Area Rnoff Area x C Tc Rain Total Cap Vel Pipe Invert Elev HGL Elev Grnd/Rim Elev Line ID
coeff (1) flow full
Line To Incr Total Incr Total Inlet Syst Size Slope Dn Up Dn Up Dn Up
Line
(ft) (ac) (ac) (C) (min) (min) (in/hr) (cfs) (cfs) (ftts) (in) M (ft) (ft) (ft) (ft) (ft) (ft)
1 End 63.000 0.45 0.45 0.51 0.23 0.23 5.0 5.0 7.5 1.73 14.49 3.53 18 1.90 972.00 973.20 972.47 973.69 975.00 975.00
2 End 32.000 0.31 3.06 0.56 0.17 1.47 5.0 15.4 5.2 7.65 32.15 6.16 18 9.38 946.00 949.00 946.93 950.07 946.00 953.00
3 2 42.000 2.75 2.75 0.47 1.29 1.29 15.3 15.3 5.2 6.77 22.92 6.03 18 4.76 950.00 952.00 950.84 953.01 953.00 952.00
4 End 52.000 3.00 3.00 0.48 1.44 1.44 15.4 15.4 5.2 7.52 7.98 5.31 18 0.58 918.70 919.00 919.76 920.19 921.00 921.00
5 End 53.000 3.70 3.70 0.48 1.78 1.78 16.8 16.8 5.0 8.92 14.42 6.10 18 1.89 893.00 894.00 894.16 895.15 893.00 911.00
6 End 38.000 0.24 2.84 0.40 0.10 1.14 5.0 5.1 7.5 8.53 15.24 5.97 18 2.11 910.00 910.80 911.13 911.93 910.00 917.25
7 6 45.000 2.60 2.60 0.40 1.04 1.04 5.0 5.0 7.5 7.85 14.85 7.13 18 2.00 916.10 917.00 916.88 918.08 917.25 917.00
Project File: Vedic.stm Number of lines:7 Run Date: 8/13/2024
NOTES:Intensity=59.87/(Inlet time+11.20)"0.74; Return period=Yrs.25 c=cir e=ellip b=box
Storm Sewers v2021.00