1991-09-26_REVISION - C1981035 ‎(3)‎

• Permit No: C1981035
• IBM Index Class Name: REVISION
• Doc Date: 9/26/1991
• Doc Name: Hydrologic Design of Mine Drainage and Sediment Ponds
• From: Don May
• To: DMG
• Type & Sequence: TR2
• Media Type: D
• Archive: No

CREL 106.50 SPILLWAY CREST ELEVATION
SPWID 6.00 SPILLWAY WIDTH
COQW 3.20 WEIR COEFFICIENT
EXPW 1.50 EXPONENT OF HEAD
•00
COMPUTED OUTFLOW-ELEVATION DATA
OUTFLOW .00 .10 .11 .12 .14 .17 .21 .27 .39 .69
ELEVATION 100.00 100.13 100.16 100.21 100.28 100.39 100.60 101.02 102.09 106.50
OUTFLOW .72 .92 1.47 2.53 4.28 6.89 10.50 15.32 21.50 29.21
ELEVATION 106.51 106.55 106.62 106.71 106.83 106.97 107.14 107.33 107.55 107.80
COMPUTED STORAOE-OUTFLOW-ELEVATIONDATA
STORAGE .00 .02 .03 .04 .05 .07 .10 .17 .35 1.10
OUTFLOW .00 .10 .11 .12 .14 .17 .21 .27 .39 .69
ELEVATION 100.00 100.13 100.16 100.21 100.28 100.39 100.60 101.02 102.09 106.50
STORAGE 1.10 1.11 1.12 1.13 1.15 1.15 1.18 1.21 1.25 1.29
OUTFLOW .72 .92 1.47 2.53 3.86 4.28 6.88 10.50 15.32 21.50
ELEVATION 106.51 106.55 106.62 106.71 106.80 106.83 106.97 107.14 107.33 107.55
STORAGE 1.33
OUTFLOW 29.21
ELEVATION 107.80
HYDROORAPH AT STATION POND
PEAK FLOW TIME MAXIMUM AVERAGE FLOW
6-HR 24-HR 72-HR 9.97-HR
+ (CFS) (HR)
(CPS)
+ 8. 9.97 3. 2. 2. 2.
(INCHES) .640 .743 .743 .743
(AC-FT) 1. 2. 2. 2.
PEAK STORAGE TIME MAXIMUM AVERAGE STORAGE
6-HR 24-HR 72-HR 9.97-HR
+ (AC-FT) (HR)
1. 9.87 1. 1. 1. 1.
PEAK STAGE TIME MAXIMUM AVERAGE STAGE
6-HR 24-HR 72-HR 9.97-HR
+ (FEET) (HR)
I(7.00 9.97 105.81 105.79 105.79 105.79
CUMULATIVE AREA= .04 SQ MI
I
RUNOFF SUMMARY
FLOW IN CUBIC FEET PER SECOND
TIME IN HOURS, AREA IN SQUARE MILES
PEAK TIATE OF AVERAGE FLOW FOR MAXIMUM PERIOD BASIN MAXIMUM TIME OF
OPERATION STATION FLOW PEAK AREA STAGE MAX STAGE
+ 6-HOUR 24-HOUR 72-HOUR
HYDROGRAPH AT
+ INFLOW 8. 9.97 3. 2. 2. .04
ROUTED TO
+ POND 8. 9.97 3. 2. 2. .04
+ 107.00 9.97