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<br />O~2531.
<br />
<br />following estimates assume an All-American Canal intake for
<br />conveying Colorado River water, an Aluminum Sulfate process for
<br />clarification of colorado River water and above ground glass )
<br />lined steel tanks for clearwell storage.
<br />
<br />EJ 1990 1990 P.V. P.V. TOTAL
<br />CONST. OPER. CONST OPER. P.V.
<br />COSTS COSTS COSTS COSTS COSTS
<br />BASE
<br />CITY 45,138 3,182 35,416 58,004 93,420
<br />ALT.1 43,034 2,832 33,159 50,007 83,167
<br />ALT.2 42,722 2,045 35,951 42,837 78,787
<br />ALT.3 50,379 2,071 40,003 32,606 72,608
<br />ALT.4 36,940 857 34,417 16,103 50,520
<br />
<br />COMPARISON OF TOTAL PRESENT WORTH COSTS
<br />($1000) - 3 PERCENT INTEREST
<br />
<br />)
<br />--
<br />
<br />EJ 1990 1990 P.V. P.V. TOTAL
<br />CONST. OPER. CONST OPER. P.V.
<br />COSTS COSTS COSTS COSTS COSTS
<br />BASE
<br />CITY 45,138 3,182 27,333 23,001 50,334
<br />ALT.1 43,034 2,832 24,916 19,378 44,294
<br />ALT.2 42,722 2,045 29,056 18,538 47,594
<br />ALT.3 50,379 2,071 31,153 11,493 42,646
<br />ALT.4 36,940 857 31,366 6,719 38,084
<br />
<br />COMPARISON OF TOTAL PRESENT WORTH COSTS
<br />($1000) - 7.1 PERCENT INTEREST
<br />
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