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DH-IDD o STORAGE ACRE-FEET Top of active conservation 6543.0 0 Inactive 6520.0 to 6543.0 3.210 Dead Streambed to 6520.0 100 Total reservoir capacity 3,310* >,'< Includes 480 af allowance for 100 year sediment deposition between streambed and E/. 6543 of which 384 of. is above the top of dead capacity fl. 6520.0 ' 6500 RESERVOIR STORAGE ALLOCATIONS PURPOSE EL EVA TIONS ) . -0"0 . -.--:--j \ ~ 6530 --------------- ~'- < /// ~~652~_ / .'" DH-2DD o "'. f o '" \0 6500 '6540 '\ / fl. 6498.--/ A surcharge of 2360 a.f. (Max. W.S, fl. 6549.8) in combination with 0 spillway dischorge of 9300 c.f.s. is provided to protect aaainst the inflow design flood with a peak of 16,400 c.f. s. and a 3-day valume of 8800 oJ. o " <0 <0 o N) <0 <0 o <0 <0 <0 \ \, ) I /~-- '0,0 ~ I I o <0 <0 <0 € Dom,Sta. 5+00 fl..6556 Sta. 4 + 85________ "- " Gate structure, 2-30 x 30" slide gates (CL Intake structure f\ Sta.3+27 EI.6520j 1... - ! ( I i I \ ',\'2. \ \ \ Original ground surface Sf,. 6.20\ ~ I.------~~/ ~' Grout coP _____\--. /'/}..._______________ \./' <t. / I _____ \ " '\ \ /~// ~ /-/- ------- //~'\: / _/ 11_./ //\ /// /~---------------------- - --~\-- ------\ --/- ~ ' 1,---------- 1 ) o N) <0 <0 \ \ \\0:- \ \\- Intake structure \ \, ~ \0 --- --- --~- ~C3-0 ~:;ularcondult EI. 6506 3- 9 Dia. circular conduit o U') U') \0 ? i I 1 , I \ ) i \ o " U') <0 \ \\ ,./ 6S 20_____ -----..~/ \ ~- r;; f Stilling baSin EI. 6500.50 2-0 Rlprap 2-0 Riprap fl. 6506 \ ~ \ o U') \0 / 'r/ / o N '" \0 \ '" '" '-" o ~ (Max. W.S. EI. 6549.8 Top of /filOctlve capactty\ Crest EI. 6543 W.S. El.16543~~6540 _ ~ Assumed T. W. fl. 6502.1 Q=9300 U.S. ------- /" fl. 6504.5 PROFILE ON CE OUTLET WORKS 'I I o '" U') <0 o '" \0 I € Dam, Sta. 5+00 fl. 6556 __________ rOriginal ground surface . . ............. ~St' 7'10 . z'm,geb:::~"'" [/650;16487 . ';1~;~;8'" Sta.6+55 PROFILE ON CE SPILLWAY 3-0 Riprap over 1- 6 bedding \ (- ----- /1 ';=J ) \ GENERAL PLAN n, Sta. 4 + 90} 50 0 II I. I I I I I I I / 100 I 50 1 3-0 Riprap over 1-6 bedding SCALE OF FEET 6550 ~ 50 0 I, " I I". I I 50 I 100 I o N) '" <0 \ SCALE OF FEET if Grou t cap 6590 o ..- <0 <0 ~ 6560 Top of active conservation capacity, EI. 6543 Top of Inactive capacity, fl. 6543 Top of dead capacity, EI. 6520 Crest of dam, EI. 6556 ~€ I_ 30-0 "I Crest of dam 6590 Q <0 <0 '" \ EI. 6530--:=::L . --- .....1--".-, . v 0 \,1\ I ' . no_" ~ "I lr) " // - "' /----- 2,1 Crest fl. 6556 '\ Bedding. . u_"(D - Ongmal ground surface -- J____{'_---L/~ ~~ 15-0" .1 ,/ il"./ '-r:;-/:- . / ",/.- if Spillway 3" ., 6560 6560 Original ground surface -- EMBANKMENT EXPL ANA TION CD @ , \, ~- "" u - ..... '- '"- Z o I- 6530 e:! > W ..J W Z o l- e:! 6530 > w ..J W Grout cap ---~-~-~ Sta, 0+00 Toe drain Sand and gravel drainage blanket \/.':'" Surface of firm formation 30-0 , ~Grout holes at IO-O:!: ctrs, (Max, depth 60 :!:) I MAXIMUM SEC TION - ---- Stripping os directed € Cutoff trench and grout cap Bottom of cutoff trench Grout cop Assumed surface of firm formation Ii. Outlet works........... '''] "'" " " ',DAWSON DRAW CREEK " '-- 6~00 6500 40 0 40 I III 1 I I I I I SCALE OF FEET 80 I 1 Grout holes @ 10 :t centers 6470 12 6470 o Sandy silt with SOme clay Clay, slit, sand, gravel and rock debris 10 5 STATIONS PROFILE ON f CREST OF DAM o 6560 6550 Z' o l- e:! > W ..J 6540 w W o e:! LL 0:: ::J (f) 6530 0::' W l- e:! 3: D:: o 6520 > D:: W (f) W 0:: 6510 6500 o 7J'lo " t/ S, '50 .~.;. COLORADO Egnor ~O"':..; ~"" %.... '~"'~'tPt/ ~ .,. ( ( i 1 I 1 " ~~ / / DAWSON DRAW '" ::. < I ~ .., ~ <; ARIZ. ," ,-' Q ~ . La Plato I' , &)' J -------' : NEW ME X I C I , LOCATION MAP ~, - o OUTLET WORKS DISCHARGE IN 10 C.F.S. 4 8 12 16 SPILLWAY DISCHARGE IN 1000 C.F.S. 2 4 6 8 . , 20 10 Maximum W.S, fl. 6549.8 ~ Crest EI. 6543 Capacity Sill EI. 6520 . " o I 2 ~ 4 ~ AREA IN HUNDREDS OF ACRES 2 4 6 8 10 CAPACITY IN. THOUSANDS OF ACRE FEET AREA -CAPACITY-DISCHARGE CURVES ~ :' /--- . ../ ........--./ , @>> ALWAYS nllnK SAfETY -, UNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION I DOLORES PROJECT - COLO,RADO / DA WSON , DRAW DAM_' . 't --.-- FE A SIB I LIT Y DES I G N DR A. WIN (]', -- D~SIGN~D.?: Jf!,~j'--____::__SU8MITT~D_'2?f__tl ~___ D"AWNfJt.Yk.W~J-,-A~"EOOMMEND~__~_ OHECK _,!5!_ S::.i:.P~_A""ROVED__()I~(2_Q=-2! _L,I' 1..__ . :I 8.7- ~~ OlRECTOI'f OF O~$I~A.HD CONSTRUCT/a,.., ;- ~.~" DENVER. COL.OA'ADO, MARCH ,21, 197!5 71-0-11 -".........,- - ,.j