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<br />U1Jl.J;;!;:1 <br /> <br /> 6430 <br /> 6405 <br />t= 6380 <br />w <br />w <br />"" <br />Z <br />0 6355 <br />~ <br /><: <br />> <br />w 6330 <br />..J <br />w <br /> - <br /> - <br /> 6305 _ ..- <br /> --L <br /> -- <br /> 6280 <br /> <br />! <br /> <br />--- <br /> <br />. <br /> <br />EXISTING EMBANKMENT <br />GEOMETRY <br /> <br /> <br /> <br />, <br />... <br />::E @o <br /><( ~ ~ <br />o <~ <br />Q~ <br />'" ~ . <br />2' 0 a: <br /> <br />~ j ~d <br /> <br />EXISTING RIPRAP __ <br />ON BEDDING 1c -- ;::: - <br />---- <br />- <br />3 ""-" :;..0- <br />1 r-_;::- <br />-::::- <br />..- <br /> <br />....... <br />....... <br />....... <br />loCI ....... 2)> <br />~ EXISTING ....... :--.--'--1, <br />0.t DRAIN/FIL TER ....... ....... <br />~- ) ....... <br />~t---" EXISTING 3' SAND ....... ' <br />~ [& GRAVEL FINGER DRAIN .......-_ .....i.;"-:, NEW s' SAND & GRAVEL FINGER DRAIN <br /> <br /> <br />F1.S.WI/!I\FW....\'€"~\~ <br /> <br />, . CLAY FOUNDATION _ SANOY. CLAYEY. SILT <br />ESTIMATED TOP OF 8EDROCK <br />GRAVELLY-SAND F=QUNDAT\O GRAVELLY-SAND FOUNDATION <br /> <br />... <br /> <br />..... <br /> <br />..- <br /> <br />- <br /> <br />- <br /> <br />c I <br /> <br />EXISTING <br />HOMDGENEOUS <br />EARTH FILL <br /> <br />I- <br />W 50 <br />W <br />Ll.. <br /> 25 <br /> 00 25 50 100 <br /> FEET <br /> <br />~ <br /> <br />'35' <br /> <br />NEW 3' THICK <br />TYPE H RIPRAP <br />ON l' THICK <br />BEDDING AND <br />FILTER FABRIC <br /> <br />NEW <br />HOMOGENEOUS <br />SHELL <br /> <br />100 <br /> <br /> <br />~ <br /> <br />NEW EMBANKMENT <br />GEOMETRY <br /> <br /> <br />",'@o <br />::E ~~ <br /><( ~: <br />c ~ . <br />'> 0 ~ <br />'" "- ~ <br />wow <br />z,'" <br /> <br />10' 10' <br /> <br />NEW" THICK <br />GRA VEL BASE <br /> <br />NEW <br />HOMOGENEOUS <br />SHELL <br /> <br />REMOVE TOP 2' - EMBANKMENT PREPARATION <br /> <br />f1~\p!;a\I=1;s..'~~\EWA\~ . <br /> <br />REMOVE SANDY, CLAYEY. SilT FOUNDATJON. <br /> <br />Figure 3 <br />Cross Sectional View of Elkhead Dam <br />and the Proposed Enlargement <br /> <br />( <br /> <br />COLORADO RIVER WATER <br />CONSERVATION DISTRICT <br /> <br />J Elkhead Reservoir <br />Enlargement Project <br />Biological Assessment <br /> <br />~ ~~~~S::~;~n: <br /> <br />March,1994 <br />