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2024-0131 Chanhassen Apartments_Storm Sewer Sizing
Storm Sewer Tabulation Page 1 Station Len Drng Area Rnoff Area x C Tc Rain Total Cap Vel Pipe Invert Elev HGL Elev Grnd / Rim Elev Line ID coeff (I) 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) (ft/s) (in) M (ft) (ft) (ft) (ft) (ft) (ft) 1 End 5.327 0.00 0.00 0.00 0.00 0.00 0.0 0.0 0.0 0.01 0.00 0.73 8 0.00 1945.06 1945.06 1945.11 1945.14 0.00 1945.75 ST-4 TO NS 1 2 End 5.327 0.00 0.00 0.00 0.00 0.00 0.0 0.0 0.0 0.01 0.00 0.73 8 0.00 1945.06 1945.06 1945.11 1945.14 0.00 1945.75 ST-1 TO NS 2 3 End 67.931 0.00 1.65 0.00 0.00 1.49 0.0 13.0 5.1 7.62 32.93 4.97 24 2.12 961.00 962.44 961.98 963.42 974.63 974.59 ST-201 TO ST-20 4 3 60.750 0.73 0.85 0.90 0.66 0.77 7.0 12.6 5.2 4.00 17.59 3.84 18 2.01 962.44 963.66 963.42 964.42 974.59 976.36 ST-203 TO ST-20 5 4 38.910 0.00 0.12 0.00 0.00 0.11 0.0 11.9 5.3 0.61 2.94 2.86 12 0.49 972.27 972.46 972.58 972.79 976.36 976.90 ST-204 TO ST-20 6 5 33.913 0.00 0.12 0.00 0.00 0.11 0.0 11.3 5.4 0.62 2.98 2.78 12 0.50 972.46 972.63 972.79 972.96 976.90 976.83 ST-205 TO ST-20 7 6 75.183 0.06 0.12 0.90 0.05 0.11 7.0 10.0 5.8 0.64 2.19 2.42 12 0.51 972.63 973.01 973.00 973.38 976.83 973.58 ST-206 TO ST-20 8 7 84.178 0.06 0.06 0.90 0.05 0.05 7.0 7.0 6.7 0.37 2.18 1.82 12 0.50 973.01 973.43 973.40 973.69 973.58 974.00 ST-207 TO ST-20 9 3 23.308 0.80 0.80 0.90 0.72 0.72 7.0 7.0 6.7 4.84 17.62 4.34 18 2.02 962.44 962.91 963.42 963.76 974.59 974.29 ST-202 TO ST-20 10 End 17.970 0.00 0.00 0.00 0.00 0.00 0.0 8.2 0.0 0.63 1.61 3.13 8 1.28 969.60 969.83 969.97 970.20 972.84 970.55 59 TO ST-100 11 10 7.987 0.00 0.00 0.00 0.00 0.00 0.0 6.6 0.0 0.03 1.60 0.73 8 1.25 969.83 969.93 970.20 970.01 970.55 970.65 58 TO 59 12 11 5.600 0.00 0.00 0.00 0.00 0.00 0.0 5.0 0.0 0.02 1.60 1.03 8 1.25 969.93 970.00 970.01 970.06 970.65 974.12 ST-101 TO 58 13 12 8.600 0.00 0.00 0.00 0.00 0.00 0.0 0.0 0.0 0.01 0.00 0.68 8 0.00 971.00 971.00 971.04 971.09 974.12 973.83 ST-102 TO ST-10 14 End 26.543 0.00 0.00 0.00 0.00 0.00 0.0 0.0 5.7 0.01 4.52 0.72 15 0.49 969.87 970.00 969.91 970.05 972.84 973.25 ST-101.13 TO ST- 15 End 4.990 0.00 0.43 0.00 0.00 0.39 0.0 10.0 5.8 2.28 1.95 3.96 12 0.40 968.35 968.37 969.00 969.11 971.94 971.81 ST-401 TO ST-40 16 15 85.500 0.06 0.16 0.90 0.05 0.14 7.0 8.2 6.3 0.93 4.58 1.36 15 0.50 968.37 968.80 969.32 969.35 971.81 975.22 ST-402 TO ST-40 17 16 36.000 0.10 0.10 0.90 0.09 0.09 7.0 7.0 6.7 0.61 4.57 1.36 15 0.50 968.80 968.98 969.40 969.41 975.22 975.19 ST-403 TO ST-40 18 15 60.000 0.12 0.27 0.90 0.11 0.24 7.0 7.8 6.4 1.58 4.57 1.95 15 0.50 968.37 968.67 969.32 969.35 971.81 970.61 ST-501 TO ST-40 19 18 36.000 0.15 0.15 0.90 0.14 0.14 7.0 7.0 6.7 0.92 4.57 1.39 15 0.50 968.67 968.85 969.43 969.44 970.61 971.79 ST-502 TO ST-50 20 End 5.000 0.00 0.00 0.00 0.00 0.00 0.0 0.0 6.7 0.01 4.36 0.93 12 2.00 962.90 963.00 962.94 963.04 969.36 969.60 ST-601 TO ST-60 21 End 21.798 0.00 0.00 0.00 0.00 0.00 0.0 0.0 0.0 0.01 13.28 0.55 24 0.46 960.90 961.00 960.93 961.08 973.95 974.10 ST-104 TO ST-10 22 End 10.952 0.87 0.87 0.90 0.78 0.78 7.0 7.0 6.7 5.27 17.59 4.87 18 2.01 961.00 961.22 961.88 962.10 974.64 974.80 ST-701 TO ST-70 Project File: Chanhassen Apartments.stm Number of lines: 34 Run Date: 1/31/2024 NOTES:Intensity = 33.68 / (Inlet time + 4.50) A 0.66; Return period =Yrs. 10 c = cir e = ellip b = box Storm Sewers v2024.00 Storm Sewer Tabulation Page 2 Station Len Drng Area Rnoff Area x C Tc Rain Total Cap Vel Pipe Invert Elev HGL Elev Grnd / Rim Elev Line ID coeff (I) 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) (ft/s) (in) M (ft) (ft) (ft) (ft) (ft) (ft) 23 End 18.128 0.00 0.00 0.00 0.00 0.00 0.0 0.0 0.0 0.01 21.45 0.91 15 11.03 961.00 963.00 961.04 963.04 974.45 974.20 ST-301 TO ST-30 24 End 57.004 0.02 0.03 0.90 0.02 0.03 7.0 34.4 3.0 0.10 4.61 1.52 15 0.51 958.80 959.09 958.92 959.23 960.32 965.00 ST- 1001.A TO ST 25 24 94.492 0.01 0.01 0.90 0.01 0.01 7.0 7.0 6.7 0.07 4.31 1.14 15 0.44 959.09 959.51 959.25 959.61 965.00 969.00 ST-1001.13 TO ST 26 End 20.000 0.00 0.33 0.00 0.00 0.30 0.0 306.5 0.8 0.26 7.92 2.17 12 14.15 955.72 958.55 955.93 958.76 960.63 961.14 ST-901 TO ST-90 27 26 20.000 0.33 0.33 0.90 0.30 0.30 7.0 306.3 0.8 0.25 7.07 1.95 15 1.20 958.55 958.79 958.76 958.98 961.14 961.98 ST-902 TO ST-90 28 27 149.748 0.00 0.00 0.00 0.00 0.00 0.0 0.0 0.0 0.01 7.10 0.50 15 1.21 958.79 960.60 958.98 960.64 961.98 967.70 ST-903 TO ST-90 29 End 10.035 0.07 0.27 0.90 0.06 0.24 7.0 7.7 6.5 1.61 2.18 3.44 12 0.50 955.44 955.49 955.98 956.11 959.30 958.41 ST-905 TO ST-90 30 29 22.798 0.01 0.20 0.90 0.01 0.18 7.0 7.4 6.6 1.21 2.14 1.97 12 0.48 955.49 955.60 956.26 956.29 958.41 958.90 ST-906 TO ST-90 31 30 13.000 0.01 0.19 0.90 0.01 0.17 7.0 7.3 6.6 1.15 2.26 2.00 12 0.54 955.60 955.67 956.32 956.33 958.90 958.68 ST-907 TO ST-90 32 31 22.119 0.18 0.18 0.90 0.16 0.16 7.0 7.0 6.7 1.10 2.18 2.10 12 0.50 955.67 955.78 956.34 956.38 958.68 958.45 ST-908 TO ST-90 33 End 54.227 0.05 0.05 0.90 0.05 0.05 7.0 7.0 6.7 0.31 2.18 1.97 12 0.50 955.44 955.71 955.67 956.00 959.30 958.83 ST-905.13 TO ST- 34 End 45.713 0.00 0.00 0.00 0.00 0.00 0.0 0.0 0.0 0.01 2.19 0.61 12 0.50 953.71 953.94 953.75 954.03 958.57 959.67 OldST-903 TO OI Project File: Chanhassen Apartments.stm Number of lines: 34 Run Date: 1/31/2024 NOTES:Intensity = 33.68 / (Inlet time + 4.50) A 0.66; Return period =Yrs. 10 ; c = cir e = ellip b = box Storm Sewers v2024.00