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Last modified
1/25/2010 6:27:22 PM
Creation date
10/4/2006 11:46:57 PM
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Template:
Floodplain Documents
County
Statewide
Community
State of Colorado
Basin
Statewide
Title
Procedure for Approximate Dam Failure Floodplain Mapping
Date
1/1/1988
Prepared For
Association of State Dam Safety Officials
Prepared By
John W. Van Sciver
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br /> <br />SI\MPLE HAZl\R02 OllTP\lT: Lex; LAKE OM (CONTINUED) <br /> <br />Q= 1144-+.00 <br />VOL= 650.00 <br />BASE TIME: T= 1.37 <br /> <br />********"'*REACH NO.2 ****"'***"'* <br />SECTIO~ GEOMETRY <br />(FOR TRAPAZOIDAL SECTION) <br />BOTTOM KIDTH, B= 200.00 <br />CHANNEL SIDE SLOPES: LEFT=lO.OO:l RIGHT=10.00:1 <br />CHANNEL BOTTOM SLOPE, S=0.00189 <br />*"'***CRITICAL DEPTH CO~PUTATIOKS"'**** <br />CRITICAL DEPTH= 4.32 <br />CRITICAL VELOCITY= 10.9 <br />USER'S ASSUMED N=0.035000 <br />*****SOLVING MANNING'S EQUATIOK**"'** <br />Q= 11451 D= 7.18 <br />VELOCITY= 5.87 <br />SURVIVAL FACTOR lDEPTH*\'ELOCITY) = 42.1 <br />LENGTH OF REACH NO.2 = 23760 <br />TRAVEL TIME FOR REACH NO.2 = 1.12 <br />NUMBER OF ROUTING STEPS =10 <br />ROUTED Q AT END OF REACH NO. '2. ,QR= 68-10 <br />*"'***SOLVING MANNING'S EQUATION"''''''''''* <br />Q= 6845 D= 5.40 <br />VELOCITY= 4.99 <br />SURVIVAL FACTOR IDEPTH*VELOCITY) = 26.9 <br /> <br />Q= <br />VOL= <br />BASE <br /> <br />6845.00 <br />650.00 <br />TUIE: T= <br /> <br />2.30 <br /> <br />*******"'**REACH NO.3 *"'********- <br />SECTION GEmlETRY <br />IFOR TRAPAZOIDAL SECTION) <br />BOTTOM KlOTH, B= 50.00 <br />CHAXNEL SIDE SLOPES: LEFT= 5.00:1 RIGHT= 5.00:1 <br />CHANNEL BOTTOM SLOPE, S=0.00379 <br />* U uCRITICi.L DEPTH CD:'IP1.!T_-\TIONS ** U * <br />CRITICAL DEPTH= 5.64 <br />CRITICAL VELOCITY= 12.4 <br />JARRETT'S N=0.036603 <br />***uSOLVING ~lANNING'S EQt:ATIONU*U <br />Q= 6859 D= 8.86 <br />VELOCITY= 8.21 <br />Su~VIVAL FACTOR (DEPTH*VELOCITYl = 72.7 <br />LENGTH OF REACH NO. 3 = 10560 <br />TRAVEL TIME FOR REACH NO.3 = 0.36 <br />NUMBER OF ROeTING STEPS = 2 <br />ROUTED Q AT E~D OF REACH NO. 3 ,QR= 5704 <br />''''***SOLVI~G MANNING'S EQUATION****'" <br />Q= 5714 D= 8.09 <br />VELOCITY= 7.81 <br />SCRVIVAL FACTOR I DE:CTIHVELOC ITY) = 63.2 <br /> <br />~-12 <br />
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