2010-11-12_PERMIT FILE - C1981010A ‎(5)‎

• Permit No: C1981010A
• IBM Index Class Name: Permit File
• Doc Date: 11/12/2010
• Doc Name: pages 2-346 to 2-424 ‎(2-392 to 2-401 confidential)‎
• Section_Exhibit Name: 2.7 Hydrology
• Media Type: D
• Archive: Yes

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TABLE 2.1-12a.
PEAK
FLOWS'FOR".,THE~PY
EATT AND FLUME
GULCH
DRAINAGES. °;
AREA OF CROSS-; [UIXIMUM RUNOFF PE AK ~~ ~~.
SECTION OF FLOW DEPTH VELOCITY ~ VOLUME- ~ RUNOFF -
' (square feet), (feet) (feet/second) (acr/f t) (c E s) TIME OF
DRAINAGE SLOFE~ ________ _______ ___________.._ _______ ______ _______ ______ ~______ _______ ~CONC ENTRATION
BASI[1 ( ft/f t)~ 10 YR 100 YR~ 10 YR' 100 YR 10 YR 100 YR 10 YR 100 YR •10 YR 100 YR (h OUCS)
F:EST PYEATT. .033 1.75 .8.59: ~:258~ .746 3.66 7,42 2.11 8,32 '4.69 .48.;5 .324•:
MIDDLE PYEATT .029 2.23 10.7 .291 .812 3.71 7.36 3.16 ~ 12.4 '6.50 60:2 :454:'
EAST PYEATT ,037 3.82. 17.8 ~ .647, 1.81 7.15 14.18 10.2 ~d0.0 20.7 188 ,: ~ :479
FLUME-w: FORK .035 2.36 11.7 ~ .305 .866 4.21 8,58 3.19 - 12.5 7.58 .~76.~5 :296-~
FLUME-MIDDLE - -. ~ ~ '.
WEST FORK :039 1.89 9.26
~ .363: 1.05 4.99 10.13 3.13. 12.3 .7.18 70.6 .334~.~
FLU[fE- ~ ~ -~ '
MIDDLE FORK ,059 1.50 7.61 -.125 .369 3.02 6.21 1.36 ~ 5,35 ~. 3.95 ~ 36.0 :249 ~:
FLUME-MIDDLE ~ ~ ~~
EAST FORK .17 1.30 .6.47 .361 ~~ 1.05 10.38 21.16 4.40 17.3 10.2 102 ~ ~. :319 ~~
FLUME-E. FORK .117 .827 .4.27 '.152 .453 4.84 10.06 1.16• 4.57 '3.05 32.6 L215 ~.
NOTE: Manning s n = .03 ~. ~ ~ ~~
All Cal culations are for.-the 24 Hour Type II Rainfall