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Last modified
1/29/2010 10:11:47 AM
Creation date
10/4/2006 10:16:14 PM
Metadata
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Template:
Floodplain Documents
County
Arapahoe
Adams
Community
Aurora
Stream Name
Westerly Creek
Title
Major Drainageway Planning
Date
2/1/1977
Prepared For
UDFCD
Prepared By
Camp Dresser & McKee
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br /> TABLE 2 <br /> Drainage Basin Parameters <br /> Subarea <br /> ParameI:er _ unit ~ .L 2 j 4 5 SA 6B 7 8A 9 <br /> A Sq. Mile 2.21 0.43 0.97 1.16 3.12 1.50 1.55 0.86 3.55 2.42 <br /> L Miles 1.67 0.66 1.71 1. 74 1.95 1.40 2.08 1.46 2.31 1.38 <br /> L Miles 0.89 0.49 0.49 0.89 1.27 0.74 1.10 0.81 1.02 <br /> ca 1.00 <br /> t Minutes 10 10 10 10 10 10 10 10 10 10 <br /> u <br /> t Minutes 13.6 10.3 13.6 13.7 18.1 16.9 13.3 15.1 21.7 18.2 <br /> P <br /> Ct 0.20 0.24 0.24 0.20 0.23 0.22 0.22 0.24 0.28 0.28 <br /> C 0.54 0.60 0.60 0.54 0.59 0.57 0.57 0.60 0.48 0.48 <br /> p <br /> qp ds/ sq., mile 1530 2230 1693 1520 1260 1294 1643 1525 848 1000 <br /> m <br /> L Ninutes 18.6 15.3 18.6 " n 23.2 21. 9 18.3 20.0 26.7 23.3 <br /> p 1.0. ; <br />1 Qn <br />f-' cis 3381 965 1650 1770 ]"'" 2006 ","',.- 131i 3012 2417 <br />w ~ ,4V t.40.:J <br /> A____.___ ....... - - '''','' L.t; , " . " U. '7 i.O 0.0 1.0 0.6 <br /> ~'..'':~'::'2igL; ~-O.""'r';':; :"','"i ".v .L.u ~.v V.O <br /> .Percent Impervious 60 40 40 60 45 50 50 40 50 50 <br /> ~ ( ,~.{:' ~ \ n ncn , c, o c" 532 762 362 1123 ;:'Q:::; <br /> " \\....l.;::>; L-ypar ':1..J.J l..-J'-+ L.:J/ .)t~u ';I If 0 <br /> lO-year 1927 399 h~:::: 1206 2209 ,')'7<;: 1737 nn, ')/./.1. 1/.70 <br /> vVV .L':"/~ :JU.L L.'-t'"+"t 1.'"+/0 <br /> 100-year 3550 720 1150 2201" 4169 2632 3155 1697 4536 2438 <br /> sut:' 5/i80 il(J/~ 19~~ } 336t, ' ~ ..... ,... /.7")'") ') ::: J. ~ i4\j':) 4:;'7'7 <br /> v./-rJ '"t..l..v...... '-1"/':""- ,1..J"t.L <br /> Volume 2-year 73 11 26 42 87 51 48 24 127 76 <br /> (acre-feet) 10-year 126 24 42 73 168 83 89 48 218 151 <br /> 100-year 258 46 104 149 363 190 180 99 441 280 <br /> SPF 566 104 ?/,(:. 327 789 41.8 396 218 898 612 <br /> "-V <br /> <br />Notes: <br /> <br />(1) Subarea No. 5 includes area Nos. SA, STI and SC. <br /> <br />(2) Subarea No. 8A includes area Nos. 8, 6C and 6D <br />
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