PERMFILE133820

• Permit No: C1984063
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Appendix F Hydrologic Calculations
• Media Type: D
• Archive: No

FROM 00000000000000000000

18.15.1993 14:09
1I Wo/rksheet 4: Graphical Peak Discharge method
Project ttar~ L7g,[J Sy Oate
Location ~~f~-T~j~ Cl~eeked Dace
P. 4
DD- 6
Circle oaei Present Developed
1. Data: '
.......:.. 2
t Drainagn area ~ ~ o'l Z mi (sates/640)
• Raaoff carve mambas .... C8 . 80 (Fran vorlcsheeC 2);
' Tima of eoaeeatration .. Tc ~ o,!~ hr (Eras vorksheet:3)
ype ~ - lJ Ci. IA, II. III}:`:'
Rainfall discribacion t ~
Pond sad wamP areas spread ~ ,
- throughout vatarahed ,..... - ~pereent o! llm Y acres or mLZ covered)
p d-6
Storm.. 1 Storm 2 Storm 3
' 2. Fregaeacy ............................... yr /oa'
3. Rainfall, P (23-hour) ................... ~ 2:'b::
6. ialeial abatraccion, Ia .., ...............
(Use C:T v1eh~ table 4-l.)
~ o.ses?
o. r`-.
r
iz
..
S. Compute Ia/P ............................
6. UnLe peck discharge. qr ...............
(Use Tc sad Ia/P with exhibit 4- ~ )
7. Raaofl, Q ...~ . ......................
(Frog vorkshee'e 2).
8. Pond and evamp ad~ustmeat Factor, Fp ....
(use percent pond sad swamp area
rith cable 4-2. Factor 1a 1.0 fnc
taro percent pond and swamp area.}
9. peak discharge, qp .....................
(Vhere qp~~ qu mQep)

eam/in 9~U
In ~• ~ O
cfs 6..3

D4
(210.VI•TRw`. Second Ed, Taae L986~