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Storm Sewer Drainage Area Data
Storm Sewer Drainage Area Data Project: Boulder Cove Designed By: CSO Qii? Job No: 14.0105 Date: 5/6/14 Engineers 8 Land surveyors, Inc. CB TOTAL PAVED GRASS RUNOFF LENGTH SLOPE TC 111.1 Q NO. ACRES AREA AREA I.C. (MIN) (IN) (CFS) CB 1 0.27 0.06 0.21 0.47 115 grass 0.02 11.7 5.3 0.68 CBMH2 /CB2 1.00 0.52 0.48 0.64 110' grass, 60' paved 0.05, 0.01 8 6.2 3.94 BMH4 /CBMH10 1.69 0.86 0.83 0.63 50' grass, 550' paved 0.05, 0.013 9 5.9 6.28 CB 4 0.11 0.06 0.05 0.65 9 20' paved 0.02 5.3 7.1 0.51 CBMH 1 1 0.68 0.14 0.54 0.46 250' grass 0.032 9.5 5.8 1.83 CBMH 3 0.56 0.3 0.26 0.64 2509r aved 0.015 8.8 6 2.17 CBMH 5 0.06 0.05 0.01 0.81 60 paved 0.01 5 7.2 0.35 CBMH 6 0.55 0.12 1 0.43 0.47 1 95 grass 0.023 9.5 5.8 1.50 CBMH 7 0.38 0.04 0.34 0.41 85 grass 0.033 7.5 6.4 0.99 CBMH 8 0.55 0.06 0.49 0.41 150 grass 0.032 12 5.2 1.17 CBMH 9 0.17 0.1 0.07 0.67 75' grass 0.06 5.4 7.1 0.81 * TC WAS COMPUTED USING TR -55 IN HYDROCAD GITY OFCHANHASSEr RECEIVED MAY U 9 201? ' ll"ASWNFUNNINGopvt Project: Boulder Cove Job No: 14 -0105 STORM SEWER DESIGN Year Storm: 10 Mannings "N ": 0.012 Designed By: CSO Date: 5 -6 -14 TTO W ti.•+ w �wr a".w.r.. �"e. MH NO. Length Area (Acres) Flow Time (Min) "C" Of I New 1 "1" Runoff Slope Pipe Capacity (Full) Upper C.B. Lower CB From To (feet) Increase 1 Total To Inlet In Pipe Increase "C" IN /HR) (CFS) ft/ft Size (IN) Q (CFS) V(FT /S ) Inlet Invert Inlet Invert CB 2 CBMH 2 8 0.50 0.50 8.0 0.0 0.64 0.64 6.2 2.0 0.005 12 2.7 3.5 977.80 974.30 977.80 974.26 CB 1 CBMH 3 138 0.27 0.27 11.7 0.7 0.47 0.47 5.3 0.7 0.005 12 2.7 3.5 978.70 975.70 979.13 975.01 CBMH 3 CBMH 2 111 0.56 0.83 12.4 0.5 0.64 0.58 5.2 2.5 0.005 12 2.7 3.5 979.13 975.01 977.80 974.26 CBMH 2 MH 1 761 0.50 1.83 12.9 0.3 0.64 0.61 5.1 5.7 0.007 15 5.9 4.8 977.80 974.26 981.00 973.73 MH 1 CBMH 1 310 0.00 1.83 13.2 0.9 0 0.61 5.1 5.7 0.0095 15 6.8 5.5 981.00 973.73 976.00 970.78 CBMH 1 FES 236 0.68 2.51 14.1 0.9 0.46 0.57 4.9 7.0 0.0046 18 7.7 4.4 976.00 970.58 969.50 CB 4 CBMH 9 38 0.11 0.11 5.3 0.2 0.65 0.65 7.1 0.5 0.005 12 2.7 3.5 976.60 973.10 976.50 972.91 CBMH 9 MH 3 131 0.17 0.28 5.5 0.6 0.67 0.66 7.1 1.3 0.005 12 2.7 3.5 976.50 972.91 977.80 972.26 MH 3 CBMH 8 101 0.00 0.28 6.1 0.3 0 0.66 6.9 1.3 0.0104 12 4.0 5.0 977.80 972.26 974.20 971.20 CBMH 8 CBMH 7 90 0.55 0.83 12.0 0.4 0.41 .5-1 2.1 0.005 12 2.7 3.5 974.20 971.20 974.00 970.75 CBMH 7 CBMH 6 111 0.38 1.21 12.4 0.5 0.41 0.471 5.2 2.9 0.0055 12 2.9 3.6 974.00 970.75 973.30 970.14 CBMH 6 MH 2 66 0.55 1.76 12.91 0.3 0.47 0.471 5.11 4.2 0.004 15 4.4 3.6 973.30 970.14 975.50 969.88 CB 3 CBMH 5 16 4.9 It 00 discharge from basin 0.005 18 8.0 4.5 975.70 971.00 975.73 970.92 CBMH 5 CBMH 10 29 0.06 0.06 5.0 0.1 0.81 0.81 7.21 5.21 0.005 18 8.0 4.5 975.73 970.92 975.73 970.78 CBMH 10 CBMH 4 8 0.85 0.85 9.0 0.0 0.63 0.69 5.91 8.31 0.0055 18 8.4 4.8 975.73 970.78 975.73 970.73 CBMH 4 MH 2 167 0.85 1.76 9.0 0.5 0.63 0.66 5.9 11.8 0.0051 21 12.3 5.1 975.73 970.73 975.50 969.88 MH 2 FES 75 0.cc 3.52 13.2 0.2 0 0.57 5.11 15.1 0.005 24 17.3 5.5 975.50 969.88 969.50 CITYOFCHANHASSEN RECEIVED MAY u u 7014 CHANHF.SEN PIANNINO DEPT V L7 r r n IVf II VI sanitary O�yg on, -p = 76.03 NE & SW Inv. -958, 83 SE th,=963.45 bit. rood a 9 2. 3 4 REMOJED sanitary mJnhc\!e Rim = 97492 t. i 61 dig , A Fe -Tls� er L A -g7s g-POO I y i �D S TO�s8,W,ER DR IMAGE -976 --- 971� MA 2.3±,,��\ rhe cel-f south line T 962 976- =:-- =7 —98 0 980, 97785 H fence 21 South 9 9792 of line 975 _ 9-T-5- 73 1 12 13 10 14 r-101 % % 916 m If 915 ic 2 -7 step 5 6 97Wi x I "ling 1 '0 lo, 97 4 6,, A IT-103 -915 g v978.x`' br -r 4 -S2 3 14 976- - - - - - - - - - - - - - U'TYOFCHANHASSEN V 's RECEIVED V �5 MAY Ci y 2014 972.556 GG C It I C44NHAUEN PLANNING [)EpT N .10