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S <br />Ptgect CYPRESS ZO MILE <br />LoraCOn: RouB Count', Cdorado <br />ContliBOn: Developed <br />Cakuklions for Tc <br />NOTES: <br /> EAST BASIN <br /> F.tS1BAa1NTCOHNOCHANNFIS %tS <br />Worksheet 3: Time of concentration (Tc) or travel time (7't) <br />By: 7PV Date: 4/8/97 <br />Checked: LR Dete: 4/8/97 <br />Sheet Flnw (Anolicable to T2 nnlcl Segment I[ <br />1. Surtace deacnp6on (table Y7J .......................................................... <br />2. Manninp's muphneu weft.. n (table 11) ............................................. <br />3. Fbw knpth. L (total L <= 30011) ....................................................... <br />4. 7vNyr 21.hr rainhall. P2 ................................................................ <br />5. Land elope. s ................................................................................... <br />D Tr=1o 007 (nLl"(o.e)1RPZ•(o.s) a^(o 4)I Compute n ............... <br />Shallnu~ ~n rntrat d now' <br />7. Surface dexnp6on (paved a unpaved) ................. <br />6. flow knpth. L ...................................................... <br />D. Walereourx slope. s .............................................. <br />10. Average wlotily. V (6pure }7) ............... ... ......... <br />11. n = u(3soa v! comprrte n <br />7. Sudace dearnpaon (paved or unpavetl) .......................................... <br />8. Fbw brgth. L ............................................................................. <br />D. VJatermurse elope. s ................................................................ <br />10. Average vebdry. V (fqurs 3-1) ......................................... <br />11. n = U(3800 h Compute n ............................... <br />Segment 10 <br />fl <br />Nfl <br />fl/s <br />W <br />0.14 <br />ESI ES2 E53 E54 <br />unpaved unpaved unpaved un aved <br />1,198 2,249 977 323 <br />O.I083 0.1178 0.1226 0.0133 <br />3.31 3.54 3.65 2.01 " <br />0.063 0.113 0.048 0.043 0.27 <br />Segment ID <br />Channel Rnu' SaDrrwd I[ <br />12. Cross aet6orvl lbw area. s ................................................. <br />17. Welted Perimeter. I>+v ................................................._.......... <br />14. Nytlreul¢ rWius, r =WPw ContPUte r .................................. <br />15 ChennN ebpe. e ........................................................._.............. <br />18 IAanninga rouptvtess aoeft . n ...................................._.................. <br />17. v=(14er(zn)a"(trllyn ConWutev .............................. <br />70 Flow IergN. L .............................................................................. <br />1D n = u(3800 v! Camgde n ............................... <br />?D WatenhM or wbarea Tc or n (sae n N steps 8. 11. and 1D) ............................... <br />fl <br />Nfl <br />tUs <br />W <br />EC53 EC56 <br />un aved un aved <br />287 601 <br />0.1220 0.1364 <br />5.64 3.96 <br />0.014 0.028 0.04 <br />h 0.43 <br />(210.V I-TR-33, Second Ed.. June 1986) D3 <br />