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Manning's <br />Height Slope Z n Porosity <br />~> 3.5 14.20 3.0:1 0.040 60.00 <br />Trap Efficiency: 16.08 $ <br />Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration <br />(ac-ft) (cfs) (tons) (mg/1) ml/1 <br />24VW 24AA <br />(ml/1) (ml/1) <br />QJ 0.43 2.16 1.2 8087 4.21 1.11 0.39 <br />JUT 0.43 2.16 1.0 6791 3.14 0.82 0.29 <br />k####################################*#i###################*############*###### <br />J2, B1, S2 <br />EXISTING VEG FILTER <br />Drainage Area from J2, B1, 52, SWS(s)1: 0.0 acres <br />Total Contributing Drainage Area: 23.9 acres <br />~2ASS FILTER INPUTS: <br />Bulk Specific Gr. <br />Initial Depth of <br />Manning's Grass <br />s~q n Height <br />(in) <br />1 0.0170 9.0 <br />Total <br />Trap Infiltration <br />~:fficiency Volume <br />(&) (ac-ft) <br />56.0 0.0056 <br />ivity: 1.18 <br />Sediment in Zone D: <br />Grass Infiltration <br />Spacing Rate <br />_(in) -~ (iph) <br />1.0 0.05 <br />Filter Peak <br />Infiltration Flow <br />Rate Depth <br />(cfs) (inch) <br />__ -- - <br />0.0043 0.379 <br />0.00 inches <br />Z Stiffness ------ Filter ------ <br />Factor Length Width Slope <br />(N-sq m) (ft) (ft) ($) <br />20.000 125.0 30.0 14.5 <br />Critical Filter Sediment <br />Prone Travel Wedge Depth <br />Velocity Time Location in Zone D <br />(fps) (hrs) (feet) (inch) <br />1.0367 0.1000 0.000 0.0502 <br />Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24o-'~, <br />(ac-ft) (cfs) (tons) (mg/1) ml/1 (ml/1) (aQ./;.) <br /> _~ <br /> <br />': 0.43 2.16 1.0 b791 3.14 0.82 n,>S <br />'!'~' 0.43 2.16 0.5 3541 0.43 0.10 C'~~~'~ <br /> ----~ _ a~._~ <br />rtroc.~##,t##,k######rt#################a#####################################~t,~fr#.# <br /> <br />TAB 4.21, PG 7 <br />11/1/99 <br />Permit Renewal No. 3 FORMERLY <br />c. R_~ne <br />