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Anaylsis: Fisherman's Harbor A System - Peak Backwater Analysis - <br />Flow Inputs from Rational Method without Treatment System <br />Calculated By: CWC <br />Date: 10/23/2016 <br />Fisherman's A 25 Year 1 of 1 Sheet <br />Check By: CRW <br />Location <br />Discharge <br />Capacity Design <br />Drain Profile <br />HGL Calculations <br />Drain <br />Located On <br />Pipe ID <br />Source of <br />Drainage <br />Drainage <br />Area (A) <br />Runoff <br />Coeff. (C) <br />CA <br />ICA <br />Time of <br />Concentrat <br />ion <br />Rainfall <br />Intensity <br />(in/hr) <br />Runoff (Q) <br />(cfs) <br />Con. Inflow <br />(csf) <br />Total Flow <br />(cfs) <br />Pipe <br />Diameter <br />(ft) <br />Pipe Slope <br />(ft/ft)(cfs) <br />]"MaxActual <br />Pipe <br />apacity <br />Length (ft) <br />Rim Elev. <br />Hf <br />He <br />Hex <br />Hb <br />WSEL <br />2WSEL <br />Freeboard <br />CB 122 <br />120 <br />A3+A4 <br />0.64 <br />0.90 <br />0.57 <br />0.57 <br />5.0 <br />3.07 <br />1.76 <br />0.00 <br />1.76 <br />1.0 <br />0.0051 <br />3.51 <br />2.24 <br />1.76 <br />29.55 <br />19.01 <br />0.061 <br />0.000 <br />0.039 <br />0.000 <br />0.100 <br />16.683 <br />2.327 <br />CB 121 <br />119 <br />Al+A2 <br />0.54 <br />0.90 <br />0.48 <br />1.06 <br />5.0 <br />3.07 <br />3.24 <br />0.00 <br />3.24 <br />1.0 <br />0.005 <br />3.47 <br />4.13 <br />3.24 <br />83.83 <br />18.69 <br />0.587 <br />0.265 <br />0.132 <br />0.148 <br />1.133 <br />16.583 <br />2.107 <br />CB 119 <br />117 <br />A7 <br />0.05 <br />0.90 <br />0.04 <br />1.16 <br />5.0 <br />3.07 <br />3.55 <br />0.00 <br />3.55 <br />1.5 <br />0.005 <br />4.55 <br />2.01 <br />3.55 <br />156.56 <br />17.99 <br />0.151 <br />0.063 <br />0.031 <br />0.073 <br />0.318 <br />15.450 <br />2.540 <br />CB 120 <br />118 <br />A8 <br />0.06 <br />0.90 <br />0.06 <br />0.06 <br />5.0 <br />3.07 <br />0.17 <br />0.00 <br />0.17 <br />1.0 <br />0.0051 <br />3.51 <br />0.22 <br />0.17 <br />21.56 <br />17.99 <br />0.000 <br />0.000 <br />0.000 <br />0.000 <br />0.001 <br />15.450 <br />2.540 <br />CB 123 <br />123 <br />A14+A15+A19 <br />0.45 <br />0.90 <br />0.40 <br />5.84 <br />5.0 <br />3.07 <br />17.92 <br />0.00 <br />17.92 <br />2.0 <br />0.0012 <br />2.70 <br />5.70 <br />17.92 <br />90.93 <br />18.23 <br />0.482 <br />0.505 <br />0.253 <br />0.354 <br />1.593 <br />13.823 <br />4.407 <br />CB 113 <br />112 <br />A6+A13 <br />0.991 <br />0.89 <br />0.88 <br />0.88 <br />5.0 <br />3.07 <br />2.70 <br />0.00 <br />2.70 <br />1.5 <br />0.005 <br />4.55 <br />1.53 <br />2.70 <br />127.22 <br />18.17 <br />0.071 <br />0.036 <br />0.018 <br />0.025 <br />0.151 <br />17.221 <br />0.949 <br />CB 112 <br />111 <br />A18+A22 <br />0.91 <br />0.90 <br />0.81 <br />0.81 <br />5.0 <br />3.07 <br />2.50 <br />0.00 <br />2.50 <br />1.0 <br />0.0049 <br />3.44 <br />3.18 <br />2.50 <br />34.56 <br />17.94 <br />0.144 <br />0.000 <br />0.079 <br />0.000 <br />0.222 <br />17.444 <br />0.496 <br />CB 114 <br />114 <br />A5+Al2 <br />1.15 <br />0.90 <br />1.03 <br />2.73 <br />5.0 <br />3.07 <br />8.37 <br />0.00 <br />8.37 <br />1.5 <br />0.005 <br />4.55 <br />4.74 <br />8.37 <br />106.34 <br />18.74 <br />0.571 <br />0.349 <br />0.174 <br />0.244 <br />1.338 <br />17.071 <br />1.669 <br />CB 115 <br />113 <br />A17 <br />0.06 <br />0.90 <br />0.06 <br />2.79 <br />5.0 <br />3.07 <br />8.55 <br />0.00 <br />8.55 <br />1.5 <br />0.005 <br />4.55 <br />4.84 <br />8.55 <br />21.9 <br />18.74 <br />0.123 <br />0.000 <br />0.182 <br />0.000 <br />0.304 <br />17.375 <br />1.365 <br />CB 117 <br />115 <br />A16+A21 <br />0.40 <br />0.90 <br />0.36 <br />0.36 <br />5.0 <br />3.07 <br />1.10 <br />0.00 <br />1.10 <br />1.0 <br />0.005 <br />3.47 <br />1.40 <br />1.10 <br />21.9 <br />18.24 <br />0.018 <br />0.000 <br />0.015 <br />0.000 <br />0.033 <br />15.766 <br />2.474 <br />CB 1161 <br />116 <br />A9+All <br />0.71 <br />0.901 <br />0.641 <br />3.781 <br />5.01 <br />3.071 <br />11.601 <br />0.001 <br />11.601 <br />2.01 <br />0.00131 <br />2.811 <br />3.691 <br />11.601 <br />46.611 <br />18.241 <br />0.104 <br />1 0.212 <br />1 0.106 <br />1 0.180 <br />1 0.601 <br />1 15.7331 <br />3.109 <br />CB 118 <br />121 <br />A24+A25+A10 <br />0.37 <br />0.901 <br />0.341 <br />5.271 <br />5.01 <br />3.071 <br />16.191 <br />0.001 <br />16.191 <br />2.01 <br />0.0011 <br />2.471 <br />5.151 <br />16.191 <br />47.921 <br />18.491 <br />0.207 <br />1 0.412 <br />1 0.206 <br />1 0.482 <br />1 1.308 <br />1 15.1311 <br />3.359 <br />CB 124 <br />122 <br />A20+A23 <br />0.18 <br />0.901 <br />0.161 <br />0.161 <br />5.01 <br />3.071 <br />0.491 <br />0.001 <br />0.491 <br />1.01 <br />0.00511 <br />3.511 <br />0.631 <br />0.491 <br />21.561 <br />18.251 <br />0.004 <br />1 0.000 <br />1 0.003 <br />1 0.000 <br />1 0.007 <br />1 13.8301 <br />4.420 <br />CB 125 <br />124 <br />0.00 <br />0.001 <br />0.001 <br />1 5.01 <br />3.071 <br />0.001 <br />0.001 <br />0.001 <br />2.01 <br />0.00121 <br />2.701 <br />0.001 <br />0.001 <br />01 <br />18.821 <br />0.000 <br />1 0.000 <br />1 0.000 <br />1 0.000 <br />1 0.000 <br />1 12.2301 <br />6.590 <br />Intensity Calculations <br />Storm <br />m <br />n <br />25 Year <br />7.83 <br />0.582 <br />100 Year <br />10.07 <br />0.586 <br />Manning's Coefficient <br />Material n <br />CPEP 0.012 <br />Tailwater Elev. = WSEL treatment <br />train (Rational Method) <br />12.23 <br />Note: See attached Backwater Sheets for details of headloss downstream of CB 125 <br />