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<br /><:j) <br /> <br />Worksheet 1: Runoff curve number ankrunoff <br /> <br />Project JIII+G\L.1lUJaL ~S <br /> <br />By Jplv\ <br /> <br />Date <br /> <br />Location <br /> <br />Circle one: presen~eloP~ <br /> <br />Checked <br /> <br />Date <br /> <br />c~ ~/4 <br /> <br />~U\'()Uf <br /> <br />1. Runoff curve number (CN) <br /> <br />So11 name Cover description CN .1./ Area Product <br /> and of <br />bydrolosic (cover type. treatment. and NI') '.... N CN x area <br />I I <br /> sroup bydrolosic condition; I I .... .... cres <br /> ........ ,..: ,..: <br /> . . mi2 <br /> percent impervious; r- r- <br /> unconnected/connected impervious .. ~ ~ 0% <br /> .... 6. 6. <br /> area ratio) ~ - <br /> .... .... <br /> r.. r.. <br /> C 4.0, ~e...~ - l w..l~ Sf> <br /> (Q:Z;% A' ",,^-~VI'OU{ <br /> \ <br /> - <br />11 Use only one CN source per line. Totals a f't.o 1 ~5S.z <br /> <br />CN (weishted) a total product <br />total area <br /> <br />a-a <br /> <br />Use CN - <br /> <br />1f6e. ( <br /> <br />2. Runoff <br /> <br /> Storm #1 Storm #2 Storm #3 <br />Frequency . ........... ...... ............ yr r \QO' <br />Rainfall. P (24-hour) .................. in ~.~ 5. <br />Runoff. Q .. .............. ...... ..... ... in . 2,2.> 4./ <br /> <br />\ <br /> <br />10/89 <br /> <br />7.1-31 <br />