PERMFILE126472

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 6/15/2006
• Doc Name: YPM-9 to YPM-20
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3 Part 2
• Media Type: D
• Archive: Yes

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Subwatershed Hydro/ogy Detai/;

Stru SWS
# #
SWS Area
(ac) Time of ~
Conc
(ham)
Musk K
(hrs) ~
Musk X Curve UHS
Number Peak
~~~
(~} Rurwff
Volume
(arff)
#1 1 57.300- 0.098 0.000 0.000 86.000 M 40.20 3.004
57.300 ~ 40.20 3.004
#2 1 87.80D 0.119 0.000 0.000 56.000 M 0.06 0.015
. 145.1OD ~ 5.93 3.020
Subwatershed Time of Concentration Detai/s:

Stru SWS Land Flow Condition Slope (~/a) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (ft) (ft) (fps}
#1 1 5• Nearly bare and unfilled, and 12.00 60.00 500.00 460
3 0.040
alluvial va8ey fans .
7. Paved area and small upland 20.00 380.00 1
900.00 ~ ~ 9.000 0.058
gullies ,
#1 1 ~ Time of Concentration: 0.098
#2 1 3. Short grass pasture - 34.00 170.00 500:00 4.660 0.029
6. Grassed waterway .- - 38.18 420.00 1,100.00 ~ 9.260 0.032
7. Paved area and small upland 12.67 190.00 1,500.00 7.160 0.058
gullies
#2 1 Time of Concentration: 0.119
Filename: YPM 12.sc4 Printed 12-04-2003