Loading...
The URL can be used to link to this page
Your browser does not support the video tag.
Drainage Calculations
WATERSHEDI PROJECT: 110211 DATE: 10 -4-11 BY: JMM STORM FREQUENCY 10 Y TYPE OF PIPE VARIES MANNINGS' N 0.013 C- COEFFICIENT 0.75 LOCATION I AREA COEFFICIENT I TIME OF CONC. INTENSITY FLOW Q = CIA I PIPE DESIGN I PROFILE CATCHMENT/ FROM TO INC. CUM. INC INC CUM. TC TC CUM. INC. CUM. INC CUM. DIAM. GRADE MAX FULL LENGTH RIM INVERT INVERT JUMP BUILD COVER BUILD COVER DESIGN COMMENTS REACH STRUCTURE STRUCTURE A A C CA CA (LAND) (PIPE) TC I I Q Q (IN) % Q V (FT.) ELEV. (IN) (OUT) (OUT) (IN) (IN) (OUT) (OUT) 135 CB -135 CBMH -134 1.033 1.033 0.38 0.39 0.393 10.00 0.51 10.00 5.75 5.75 2.26 2.26 15.00 0.70 5.40 4.36 133.36 901.94 8979, 897.02 3.99 2.55 3.95 2.52 DESIGN ACCEPTABLE 134 CBMH -134 CBMH -133 0.516 1.549 0.43 0.22 0.614 10.00 0.29 10.51 5.75 5.66 1.28 3.47 15.00 0.50 4.56 3.69 65.11 900.97 897.02 896.69 3.95 2.52 4.26 2.82 DESIGN ACCEPTABLE 133 CBMH -133 CBMH -132 0.256 1.805 0.40 0.10 0.717 10.00 0.25 10.00 5.75 5.75 0.59 4.12 15.00 1.25 7.21 5.83 87.42 900.95 896.69 895.60 4.26 2.82 4.07 2.63 DESIGN ACCEPTABLE 132 CBM11-132 CBMH -131 0.423 2.228 0.41 0.17 0.890 10.00 0.26 10.00 5.75 5.75 1.00 5.12 15.00 1.80 8.66 7.00 107.93 899.67 895.60 893.66 4.07 2.63 4.06 2.63 DESIGN ACCEPTABLE 131 CBMH -131 NM-130 0.702 2.930 0.38 0.27 1.157 10.00 0.13 10.00 5.75 5.75 1.53 6.66 15.00 2.00 9.13 7.37 57.77 897.72 893.66 892.50 4.06 2.63 6.96 5.52 DESIGN ACCEPTABLE - MH -130 CBMH -123 0.000 2.930 0.00 0.00 1.157 0.00 0.13 10.00 8.70 5.75 0.00 6.66 15.00 2.00 9.13 7.37 57.66 899.46 892.50 891.35 6.96 5.52 6.74 5.31 DESIGN ACCEPTABLE 129 CB -129 CBMH -124 0.386 0.386 0.48 0.19 0.185 10.00 0.09 10.00 5.75 5.75 1.07 1.07 15.00 1.00 6.45 5.21 29.00 898.02 89' Ra F x,' 893.78 3.95 2.51 4.24 2.80 DESIGN ACCEPTABLE 128 CB -128 CBMH -127 0.302 0.302 0.69 0.21 0.208 10.00 0.13 10.00 5.75 5.75 1.20 1.20 15.00 0.50 4.56 3.69 29.00 895.88 89 3$,;; 892.24 3.50 2.06 3.65 2.21 COVERIN <2.5' 127 CBMH -127 CBMH -126 0.472 0.774 0.69 0.33 0.534 10.00 0.72 10.00 5.75 5.75 1.87 3.07 15.00 0.50 4.56 3.69 158.80 895.88 892.23 891.44 3.65 2.21 6.64 5.20 COVER IN <2.5' 126 CBMH -126 NM-125 0.233 1.007 0.66 0.15 0.688 10.00 0.55 10.00 5.75 5.75 0.88 3.96 15.00 0.50 4.56 3.69 122.16 898.08 891.44 890.83 6.64 5.20 8.42 6.98 DESIGN ACCEPTABLE - MB-125 CBMH -124 0.000 1.007 0.00 0.00 0.688 0.00 0.59 10.55 8.70 5.65 0.00 3.88 15.00 0.50 4.56 3.69 130.74 899.25 890.83 890.18 8.42 6.98 7.84 6.41 DESIGN ACCEPTABLE 124 CBMH -124 CBMH -123 0.271 1.664 0.66 0.18 1.052 10.00 0.05 11.14 5.75 5.54 1.03 5.83 15.00 1.00 6.45 5.21 16.58 898.02 890.18 890.01 7.84 6.41 8.08 6.64 DESIGN ACCEPTABLE 123 - CBMH -123 NM- 122 NM-122 FES -121 0.308 0.000 4.902 4.902 0.71 0.00 0.22 0.00 2.428 2.428 10.00 0.00 0.17 0.12 11.20 11.36 5.75 8.70 5.53 5.50 1.26 0.00 13.42 13.35 18.00 24.00 7.92 0.34 29.55 13.20 16.58 4.17 166.36 29.57 898.09 880.78 889.76 87110 876.58 8710 4.98 8.33 9.68 6.65 7.49 4.20 :'., v 2.51 DESIGN ACCEPTABLE Q >CAPACITY WATERSHED III PROJECT: 110211 DATE: 9 -21 -11 BY: Joseph L. Larson STORM FREQUENCY 10 YR TYPE OF PIPE VARIES MANNINGS' N 0.013 C- COEFFICIENT 0.75 LOCATION AREA COEFFICIENT TIME OF CONC. INTENSITY FLOW Q =CIA PIPE DESIGN PROFILE 'ATCHMENTI FROM TO INC. CUM. INC INC CUM. TC TC CUM. INC. CUM. INC CUM. DIAM. GRADE MAX FULL LENGTH RIM INVERT INVERT JUMP BUILD COVER BUILD COVER DESIGN COMMENTS KtAGH 306 51 KUU I UKt CB -306 J 1 KUU I UKL CBMH -303 A 0.706 A 0.706 G 0.65 UA 0.46 UA 0.459 LANUJ 10.00 YIYt 0.08 I V 10.00 1 5.75 I 5.75 (1 2.64 w 2.64 15.00 "/0 3.35 Q 11.81 V 9.54 (h 1.) 44.06 tLtV. 905.72 IN) 898.82 OU f 897.34 (OUT) 4.84 IN 6.90 (IN) 5.47 (OUT) 2.12 (OUT) 0.68 COVER OUT <2.5' 305 CB -305 CBMH -304 0.244 0.244 0.68 0.17 0.166 10.00 0.13 10.00 5.75 5.75 0.95 0.95 15.00 0.50 4.56 3.69 29.01 900.20 895.74 895.60 4.46 3.02 4.07 2.63 DESIGN ACCEPTABLE 304 CBMH -304 CBMH -303 0.193 1.998 0.59 0.11 0.831 10.00 0.53 10.25 5.75 5.70 0.66 4.74 15.00 0.50 4.56 3.69 117.35 900.23 893.09 892.50 7.14 5.71 6.96 5.52 Q >CAPACITY 303 CBMH -303 NM-302 0.806 4.067 0.66 0.53 1.815 10.00 0.19 10.51 5.75 5.66 3.06 10.26 15.00 2.86 10.91 8.82 101.33 904.25 1.65 -1.25 902.60 901.16 1.25 -0.19 COVER OUT <2.5' - NM-302 FES -301 0.000 2.930 0.00 0.00 1.157 0.00 0.25 10.13 8.70 5.73 0.00 6.63 18.00 0.50 7.42 4.17 62.64 897.01 892.31 $9200 4.70 3.01 ' DESIGN ACCEPTABLE 314 CB -314 NM-313 1.361 1.361 0.28 0.38 0.381 10.00 0.63 10.00 5.75 5.75 2.19 2.19 15.00 0.50 4.56 3.69 138.90 895.82 -0.56 -1.25 896.38 894.94 1.25 -0.19 COVER OUT <2.5' - NM-313 CBMH -312 0.000 0.386 0.00 0.00 0.185 0.00 0.49 10.09 8.70 5.73 0.00 1.06 15.00 0.50 4.56 3.69 109.34 900.00 892.93 892.38 7.07 5.64 3.50 2.06 COVER OUT <2.5' 312 CBMH -312 FES -311 0.517 0.517 0.46 0.24 0.238 10.00 0.10 10.00 5.75 5.75 1.37 1.37 15.00 0.50 4.56 3.69 22.39 896.72 892.11 89 h 4. 61 3.17 s DESIGN ACCEPTABLE WATERSHED IV PROJECT: 110211 DATE: 9 -21 -11 BY: Joseph L. Larson STORM FREQUENCY 10 YR TYPE OF PIPE VARIES MANNINGS' N 0.013 C- COEFFICIENT 0.75 LOCATION AREA COEFFICIENT I TIME OF CONC. INTENSITY FLOW Q = CIA I PIPE DESIGN I PROFILE CATCHMENT/ FROM TO INC. CUM. INC INC CUM. TC TC CUM. INC. CUM. INC CUM. DIAM. GRADE MAX FULL LENGTH RIM INVERT INVERT JUMP BUILD COVER BUILD COVER DESIGN COMMENTS REACH STRUCTURE STRUCTURE A A C CA CA (LAND) (PIPE) TC I I Q Q (IN) % Q V (FT.) ELEV. (IN) (OUT) (OUT) (IN) (IN) (OUT) (OUT) 403 CB-403 / q CBMH -402 0.912 0.912 0.29 0.26 0.264 10.00 0.61 10.00 5.75 5.75 1.52 1.52 15.00 0.50 4.56 3.69 135.51 892.09 897.69 897.02 -5.60 -7.04 3.95 2.52 BUILD IN <3.5' 402 CBMH402 CBMH401 0.492 1.525 0.71 0.35 0.742 10.00 0.13 10.51 5.75 5.66 2.01 4.20 15.00 0.50 4.56 3.69 29.00 892.71 896.84 896.69 -4.13 -5.56 4.26 2.82 BUILD IN <3.5' 401 CBMH -401 EXCB -122 0.390 1.939 0.63 0.25 0.860 10.00 0.28 10.80 5.75 5.60 1.41 4.82 15.00 0.75 5.59 4.52 75.95 892.70 887.32 886.75: 5.38 3.94 DESIGN ACCEPTABLE