1989-10-10_REVISION - M1988112 ‎(7)‎

• Permit No: M1988112
• IBM Index Class Name: Revision
• Doc Date: 10/10/1989
• Doc Name: APPENDIX H DIVERSION DITCH DESIGN CALCULATIONS
• Type & Sequence: AM1
• Media Type: D
• Archive: No

********** STORM HYDROGRAPH GENERATED FROM START OF RAINFALL ***********
TIME * 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
****************************************************************************
.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
1.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
•
2.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
3.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
4.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
5.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
6.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .O
7.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
8.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
9.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
10.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
11.0 * .0 .0 .0 .0 .0 .0 .0 .1 .5 1.0
12.0 * 1.9 1.7 .4 .3 .3 .3 .3 .3 .3 .3
13.0 * .3 .2 .2 .2 .2 .2 .2 .2 .2 .2
14.0 * .2 .2 .1 .1 .1 .1 .1 .1 .1 .1
15.0 * .1 .1 .1 .1 .1 .1 .1 .1 .1 .1
16.0 * .1 .1 .1 .1 .1 .1 :1 .1 .1 .1
17.0 * .1 .1 .1 .1 .1 .1 .1 .1 .1 .1
18.0 * .1 .1 .1 .1 .1 .1 .1 .1 .1 .1
19.0 * .1 .1 .1 .1 .1 .1 .1 .1 .1 .1
20.0 * .1 .1 .1 .1 .1 .1 .1 .1 .1 .1
21.0 * .1 .1 .1 .0 .0 .0 .0 .0 .0 .0
22.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
23.0 * .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
24.0 * .0
INIT
• ` IAL ABSTRACTION 21.77 mm.

ROUT
ED
FLOW TIME FROM
THE SUBWATERSHED °
.00
hours.
TIME TO PEAK OF UNIT HYDROGRAPH = .OS hours.
THE DEPTH OF WATER ON WATERSHED = 16.77 mm.
VOLU ME OF RUNOFF = 6.07 thousand cu .m.
PEAK RU NOFF RATE _ 2.23 cu. m./sec. p0 Cfs
TIME TO PEAK RUNOFF = 12.05 hours.
THERE IS NO SEDIMENT CONTAINED IN THE STORM RUNOFF FROM THIS WATERSHED