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<br /> <br />Navajo Storage Unit: An extensive pro- <br />gram of investigations of foundation con- <br />ditions al Navajo Dam related to seepage <br />through the abutments IlaS been cornple- <br />led. Prelill1ifl;;lIY designs have been pre- <br />pared w~lich call tor dr-riling tunnels into <br />both HlC right and left abutments of the <br />Navajo Dam ~Jnd constructing a drainage <br />systern to I-emove water soeping through <br />the abutments from contact With the dam <br />foundation. In addition to these plans. <br />WhlCll have been reviewed by outside <br />consultants. studies 01 pOSitive seepage <br />cutoff walls III fhe abufments of Navajo <br />Dam arc also underway <br /> <br />Construction on tile Cottonwood Reclea- <br />tion Area downstream of Navajo O"Ull <br />commenced in 19f15 and was 90 percent <br />complete by tl18 end of tile water year <br />Other recreational areas have been de- <br />veloped in New MeXICO Of' tile Pine River <br />just above Navajo Darn. on Sims Mesa <br />on the opposile shore. and near Arl)oles, <br />Cololado. on the upper portion of the lake. <br /> <br />Seedskadee Project: Work on the test <br />section 01 Fontenelle Darn started this fis- <br />cal year The results 01 this $4.6 million <br />contract will deterrlllne IlOW the final <br />reparr of the dam Will be accompllslled <br />The work was 25 pel cent complete by <br />the end of the water year. As a result of <br />the low reserVOir elevalion. the <br />powerplanl at Fonlenelle is presently not <br />In use <br /> <br />fl <br /> <br />60 <br />55 <br /> <br />50 <br />4.5 <br /> <br />40 <br /> <br />3.5 <br />3.0 <br />2.5 <br />2.0 <br />1.5 <br /> <br />1.0 <br />5 <br /> <br />o <br /> <br />Estimated Contruction Costs of Colorado River Storage Project <br />and Participating Projects (Section 5 and Section 8 Facrlitles With <br />Projected Increases trom 1956 (Inillall 10 <br />Project Completion. Cost Projections as of <br />September 3D, 1984) <br /> <br />$338 <br />MILLION <br />II II '-..... <br />II~ ~ <br />I. Additional Section 8 Costs <br />'III $1,689 <br />I MILLlON~ Other Cost Changes <br />'II IChanges In Plan, ReanalYSIS of QUilll!llI(:S and Un I! <br />Prices, Leqislatlve Ad(jllI0IlS. Untoreseen ConditionS. <br />ele) <br /> <br /> <br />$2.278 __ Cost Increases Due To Inllation <br />MILLION <br />Subsequent New Authorizations <br />/ 1962 ~ilVaJ(J Indli1rl Irrlg;ltIon PrOjeCt. San Juan- <br />Chama <br />$709 1965 BostWick Park, FrUItland Mesa, Savely-Pot HOOk <br />10 ' 1968 Anllnas-l;IPlala Dallas Creek, Dolor('~;, San <br />MILL N Miguel West f),vlde, Uinta" Un,t-CUP <br /> <br />Orl'\, $/60 Mill,,,,, wJS ""tlilll,. ;'PP<<l,)f1;'tel1 <br />bv C(l"q'('S~ <br />{l"te"ed ,ndeflnltely'n 19b2 <br />'()pilLiH1or'l<'d.n 1971 <br /> <br /> <br />, <br />Sparks tly as welder cuts metal p<'ln for MVI Tunnel Plug <br />