FLOOD06026

• County: Ouray
• Community: Ouray
• Stream Name: Uncompahgre River
• Basin: Gunnison
• Title: North Ouray Uncompahgre River Redevelopment Project
• Date: 11/1/1993
• Prepared For: Ouray
• Prepared By: William Ruzzo
• Floodplain - Doc Type: Floodplain Report/Masterplan

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COMPUTED

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1/g

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OPEN CHANNEL FLOW ANALYSIS:COMPOSITE CHANNEL
COMPUTER MODEL: OPCHFLOW :VERSION 3 DECEMBER 1990
_XECUTED BY: BROWN AND CALDWELL - DENVER COLORADO
ON DATE 06-13-1993 AT TIME 16:35:27

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PROJECT TI TLE: TIM (ffJfJ.

o U(! ~'-( -l'f.f'e

DESCRIPTIONS OF CHANNEL CROSS SECTION:

~ CI!'\A'JIJ t=L.

FLOW IS COMPOSED OF CHANNEL FLOW AND BANK FLOW.

DIMENSIONS OF CHANNEL FLOW PORTION ARE:
CHANNEL BOTTOM WIDTH (FEET)=
CHANNEL LEFT SIDE SLOPE (FT/FT)=
CHANNEL RIGHT SIDE SLOPE (FT/FT)=
CHANNEL ROUGHNESS =
CHANNEL FLOWING FULL DEPTH (FEET)=
DIMENSION OF LEFT BANK FLOW ARE:
LEFT BANK WIDTH (FEET) =
LEFT BANK SIDE SLOPE (FT/FT)=
LEFT BANK ROUGHNESS =
DIMENSION OF RIGHT BANK FLOW ARE:
RIGHT BANK WIDTH (FEET) =
RIGHT BANK SIDE SLOPE (FT/FT)=
RIGHT BANK ROUGHNESS =
CHANNEL SLOPE (FT /FT)=

RATING CURVE FOR THIS CROSS SECTION:

15,0
0.50
0.50
0.035
4.0

0.0
2.50
0.032

0.0
2.50
0.032
0.0130

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DEPTH AREA W-P'METER TOP WIDTH FROUDE NO MANNING-N FLOWRATE VELOCITY
I FEET SQ-FEET FEET FEET CFS FPS
':===========================================================================
1,0 90.5 48.9 46,0 0.033 1.080 778.2 8.6
2.0 107.0 51.1 47.0 0.033 1.009 924.4 8.6
3.0 124.5 53.3 48.0 0.033 0.988 1124.4 9.0
4.0 143.0 55.6 49.0 0.033 0,988 1370.0 9.6
5.0 89.5 29.3 24.0 0.034 1.026 1006.0 11.2
6.0 116.0 34.7 29.0 0,034 1.092 1437.7 12.4
7.0 147,5 40.1 34.0 0.034 1.133 1974.8 13.4
8.0 184.0 45.5 39.0 0.034 1.161 2632.3 14.3
9.0 225.5 50.9 44.0 0.033 1.182 3423.5 15.2

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NOTE:FLOW VARIABLES IN THE ABOVE TABLE ARE CROSS SECTIONAL VALUES.

-:------ ------ -----;6--------
P'MTER T P-~~;~~--A~~~~~- -------R-~~----T
FEET FEET !

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