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<br /> <br />23 <br /> <br />USBR <br /> <br />s.econd. The re:>tn'oir remaim nearl\" full. Turbidity monitoring of the <br />reservoir and streams has been reduced to a monthl\' basi:;.. <br /> <br />Repair of Cracks in Upper Stillwater Dam <br />MoJification ~o. 8 extended the Cllnlract and din~CteJ extra work. <br />This work included probing and tlushing oS; drain holes, packer testing <br />22 h(lle:-, and cleaning sand from the galle-f)' gutters. The comraCtl,Jf h,lS <br />completed flushing and testing al] drain holes in the lower gallery, and <br />i'i> continuing work in the upper gallt'TY. <br /> <br />BONNEVILLE UNIT <br /> <br />Jonlanelle Dam. Stage 2 <br />Crews cOIHinued exca\'ation and cleanup on the fllUnJation and <br />right abutment. Blasting, excavation, removal of muck, and imtallation <br />of rockbohs and chain link fabric Cl.mtinued on the low It'vel outlet <br />works structure slope. Steel supports were installed on 3-foot cemer:<o, <br />and blaHing was started on the low level outlet works tunnel inlet <br />structure. Crews completed drilling of foundadclO pie::omerer wells, and <br />cominued Jrilling of foundation dewatering wl"ik Installation of chain <br />link fahric on the left abutment block slide was completed. <br />A ribhon-cuning ceremony, opening U.S. Ih~h\\'ay 4-0 [0 traffic, \,,'as <br />held September 30. 1989. <br />Reclamation represematives held a meeting with the \Vasatch <br />C0unq; Commis:<oion on September 25, 19SQ, to hrief the commission <br />on Olson/Neihart tailing :<otudie:<o, Jordanelle reaeation studies, and <br />watef quality issues at )0rJanelh.' Re:<oen"oir. <br /> <br />O('[ober, 1989 <br /> <br />Alpine AqUt..duct, Reach 2 <br />Installation and back filing: of 3r.-inch pretensioned concrete cylinder <br />pipe continues. The pipe is untested [0 approximate :<otation 9+00. <br />Construction of val\"{' and blowoff structures continue:<o. Pipe laying <br />will be suspended at pipeline :<otation 5+80, pending redesign of the <br />aqueduct realignment and design consideratillOs between stations 0+0('1 <br />and 5+80. <br /> <br />StrawbeTT~' Aqueduct anJ Collection System <br />General <br />Transfer inspections of U prer S6Ih,,'ater Dam were conducted <br />September 21 and 22, 198\), and of Soldier Creek Dam on September <br />