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<br />STANDARD FORM SF-8
<br />
<br />TIME OF CONCENTRATION
<br />SUBDIVISION \Ov..::>N' or: Ep-.I~
<br />CACULATED BY wL-. DATE - 5-"2~-8.'l
<br />
<br />tc= t{+tt
<br />
<br />SUB- BASIN INITIAL/OVERLAND TR~m TIME tc CHECK FINAL REMARKS
<br /> DATA TIME (ti) (URBANIZED BASINS) fc
<br />DESIG: Cs AREA LENGTH SLOPE t. LENGTH SlOPE VEL. tt JWht tc =0-/1*10
<br /> Ac Ft 0/0 M1" Ft "10 FPS Mln Ft Mln Mln
<br />(I) (2) (3) (4) (5) (6) (7) (8) (9) (I0) (II) (12) (I3)
<br />z, z.. 7 0.4.5 I. t...&. 7<;; I. -;- ~.'1 42"- 0, 7 I.D 1, ( SoO Iz.E, /3 To 3 2.'-
<br />32e> 0.4s- &,07 300 z..o II., 1 S2~ 0,0;- os /O,q, bz ') I",s 13 To 3 2.7
<br />329 'Z)Ae:;> 0.7<: 50 2.0 ~,fc, 725 O,S- o.$" 26, 2- 77s- 14. 'J /4- To :'0(",
<br />~3o o.4-S- 2.7.{ / '-)C> O~ /~,I )Z.5" o. s- - /0.'0 4,'--7 12.. (." J;- 10 ~<..~ J
<br />d. ." , - .~
<br />z, 7,! O. (;,5" . 1.D~ lOr"> I.~ 11"7 . .&>'9:::>. :2 I 20171 I 99::? L 1= 'Z..., /" ~ <.7<'1 .~
<br />. . ____-1-.1, , -- _._L--L _ ___ _' _ _I _-1-' _ : __I......' _ . , ~ . ,~ -- ,
<br />:>3& o,~~ ,.-,0_ 1.-_....... A-,.::> ~fc7 Z75 2'5 2.$ 1,'6 (I-'._ J-, A II r-o ~"2-9
<br />I.c...'-" 1"";></ '"1~" It.,.
<br />",33 0,4';;- 1,'07 IZ.'~ 2.'0 /0.4- LSD ,:<t:, '2')" /, 1 :S7S' /2..1 Iz. To 337_
<br />I ~~A I 0.4'; I WI","') 'Z-co I ZS" I }-z.."l- I goo I'D. l.. tz.- /I, ( /a::o I / 'S. (p (t- 'n ::,:,:, I
<br />L, j '5' 0.11;7 11,7..) lor, 0.", /4.3 ! 3<;D O,-C;- o. "$ ,1< 1450 /9-,,1 }'b /0 3.3 4-
<br />~3<O 0.50 7./0 ':,"b 2.0 &" I 22.S"" D:S- o.s 7.5: 275: Ii. '5' /2- IV 335'
<br />?:>jl o .4-<;; Go.; 300 I. ?- /q, i /000 I. ?... /, -5 1i,1 /';00 /7,2. /7 ID 53$""
<br />3:ffJ o.~ 0.0'1 SO (,.0 40 lno Z.CS. 7_.4- IA- 2SD i I, 4- (" Ie=> 3$ ~
<br /> ),S 5/-'0: ,7 /.0 5', ::, G:n< )'=>,7 II ~04-
<br />~3q C) . IPS- Z.3o Icn 5.:' I, . To
<br />"-AD o {,c; I 'be; 100 1.0 ~,( 7St:> 1.17 /,'0 ~.cr gg::> \LI" J~ TO 304-
<br />'14-1 ().I.,.5' I, z.<0 2~ ?..;:? IIU7 1.1') 2n.. 7..,& 1,'1 S"1.S" 1'2:9 n T, ":,4-0
<br />B^" .. B ~^I'''''rV eY""'" pus a.... & '" ....-.--.... .....-.... ... ~ - ~*.-
<br />
<br />uvU..DEn """'''''n. I ~. ""''''111'''' "'n"'....."QE "'"' I en'" """ftU"L
<br />
<br />WHl; l:.NI;INl:.l:.HING, INt..
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