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 FOR WATERSHED EAST DITCH
• TOTAL AREA OF THE WATERSHED 217.30 ha.
THE DEPTH OF WATER ON WATERSHED 16.69 mm.
VOLUME OF RUNOFF = 36.25 thousand cu.m.
PEAK RUNOFF RATE = 7.02 cu. m./sec.
TIME TO PEAK RUNOFF = 12.40 hours.
TIME INCREMENT OF NEW HYDROGRAPH = .10 hours.
NUMBER OF RUNOFF VALUES = 130
******* STORM HYDROGRAPH GENERATED FROM START OF RUNOFF *******
.0 .2 .5 1.5 2.7 3.8 5.8 5.5 7.0 5.3
2.9 1.9 1.6 1.6 1.6 1.5 1.5 1.5 1.5 1.4
1.4 1.4 1.4 1.3 1.3 1.2 1.2 1.0 1.0 .8
.7 .6 .6 .6 .6 .6 .6 .6 .6 .E
.6 .6 .6 .6 .6 .6 .6 .6 .5 .°
.5 .5 .5 .5 .5 .5 .5 .5 .5 .°
.5 .5 .5 .5 .5 .5 .5 .5 .5 .°
.5 .4 .4 .4 .4 .4 .4 .4 .4 .4
.4 .4 .4 .4 .4 .4 .4 .4 .4 .4
.4 .3 .3 .3 .3 .3 .3 .3 .3 .?
.3 .3 .3 .3 .3 .3 .3 .3 .3 .:
.2 .2 .2 .2 .2 .2 .2 .2 .2 .:
.2 .2 .2 .2 .2 .1 .1 .1 .1 .C

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