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Last modified
1/25/2010 6:44:53 PM
Creation date
10/5/2006 12:14:09 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
293
County
Rio Grande
Community
Del Norte
Stream Name
Rio Grande River
Basin
Rio Grande
Title
CWCB Review Report - Floodplain Management Study - Rio Grande River near Del Norte
Date
9/1/1988
Designation Date
1/1/1989
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />5. <br /> <br />Blockage: <br /> <br />~, <br /> <br />. <br /> <br />6. <br /> <br />Roughness <br />Coefficients: <br /> <br />--r.;:>'" <br />f./ <br /> <br />7. <br /> <br />Consi st{;~ncy: <br /> <br />~.f.,~/ <br /> <br />/ <br />,../ <br /> <br />cons idered <br />reduction in conveyance <br /> <br />human inter'vention <br />emergency response plan <br />not considered <br /> <br />vegetation considered <br />verification with historic flood <br />photographs <br />consistency with previous studies <br /> <br />range in overbanks ,035" to <br />n>.nge in channel .0"'_ 'to <br /> <br />(940 <br />;Ou <br /> <br />agreement with contiguous studies <br />comparison wi th previous profi le <br />changed conditions <br />previous study in error <br />justification <br />change <br /> <br />rINDING: <br /> <br />. <br /> <br />The hydr&ulic analysis _ meets _ does not meet .the minimum <br />st&nd&rds of Rule 5.C. (detailed) or Rule 6.C. (approx.) <br /> <br />D. <br /> <br />Published Report and Map <br /> <br />~ 100-year flood <br />500-year flood (optiorl&l) <br />tllS V consistency with profiles <br />'Yl$ cross sections <br />.' reference line and stations <br />, flood contours <br />, sc&le 1 "=1000' or better->detai led <br />__ scale 1 "=2000' or better->approx. <br /> <br />Ig-I Detail- Ru 1 e 5 <br /> <br />1. Report Document <br />Includes: <br /> <br />2. <br /> <br />Flooded Area Maps: <br /> <br />, cC_'.=-'''-'~-~~~'-----'~';'---Pi s crepanci e s: <br /> <br />. <br /> <br />-9- <br /> <br />I~I Approximate Rule 6 <br /> <br />.........-- title <br />..........-- date <br />v binding <br />~ hydrology write-up <br />~Ydraulic write-up <br />~flooded area maps <br />profiles <br /> <br />d I <br />I_tOO <br /> <br />profiles and map <br />IIEC-2 and hydrologic <br />corporate 1 imi ts <br />others <br /> <br />table <br />
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