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<br />.~ ,.. (' 0- <br />Lv.... ,:) <br />18 MET R 0 POI. I TAN W ATE Il f) 1ST R !( T <br /> <br />ly careful manipulation of the system, particularly when starting <br />and 8topping pumps and when changing generators at Boulder <br />power plant. There were 254 interruptions of service to Phoenix, <br />220 of which were due to disturbances on the Phoenix system, The <br />delivery of power to Phoenix was temporarily discontinued April <br />14, 1941, and had not been resumed at the end of the fiscal year, <br />Heavy rainfall on the Salt River watershed has provided the Salt <br />River Valley Water U&ers' Association with ample water for the <br />operation of its own hydroelectric plants, <br />Various schedules of continuous and alternate operation of plants <br />were followed to determine the most efficient plan and minimum <br />personnel required to meet the limited water requirements of the <br />near future in the coastal basin, For a period of ten weeks a plan <br />of alternate operation of pUlllping plants was tried, Intake and <br />Gene were operated alternately by the same crew, taking advan- <br />tage of the storage in Gene reservoir between the two lifts, Water <br />was released from Copper Basin in qoantities sufficient for one <br />shift pumping at the three western plants, the shifts starting <br /> <br />I <br /> <br />I <br /> <br /> <br />l <br /> <br />~ <br /> <br />" <br /> <br />~TA~ { \ <br />( J) C ---'-f1 s::? <br />_ -<;';:: - --! :~:J <br /><> _________n_ nn n ___._ ,_, <br />-- - ~-. I :l~ <br /> <br /> <br />" <br />T 5H RACK ~ <br />" <br /> <br />PUMP HOUSE <br /> <br />-,,, <br /> <br /> <br />SuRG( CHAMBE~ <br /> <br />o <br />o <br />< <br />" <br />o <br />" <br />o <br />u <br /> <br />TUt>lNEL <br /> <br />100 200 <br />I I <br /> <br />SC"'LE.INF"E:CT <br /> <br />" <br /> <br />PUMP HOUSE <br /> <br />:;00 <br /> <br />EL455S' <br />HW450 <br /> <br />,....." <br /> <br />E.L..412.S' <br /> <br />~:...~~4~ <br /> <br />"" <br /> <br />"1',. <br /> <br />Fig, 2, Intake pumping plant <br />