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<br />The first observation is that the cost of piping this ditch will exceed the budget <br /> <br /> <br />allowed for the project. But there is a savings of $335,000 in preparation costs. <br /> <br />Also not seen in the figures is the uncalctilable cost for water lost over the <br /> <br />years due to evaporation. We must also remember that the life span of pipe is <br /> <br /> <br />estimated to be twice that of a concrete l~ned ditch. <br /> <br />From the figures we have calcualted for evaporation and seepage, we have seen <br /> <br /> <br />that the water savings due to the prevention of evaporation are not high enough <br /> <br /> <br />to warrant the extra expenditure needed to 'construct the ditch out of reinforced <br /> <br />concrete pipe. At any rate, the high cost ;prohibits almost half (~) of the <br /> <br /> <br />from being piped, therefore, only half (~)!of the evaporation loss could be <br /> <br />These factors do not make the choice of pi~ing the entire length of ditch a <br /> <br /> <br />reasonable alternative. <br /> <br />ditch <br /> <br />saved. <br /> <br />33 <br /> <br />I <br /> <br />I <br />I <br />I <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />I <br />I <br />I <br />