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5/6/86 <br />INDIAN RIVER CO. <br />COST ANALYSIS FOR <br />IRRIGATION SYSTEM OPERATION <br />RAINBIRD <br />Key assumption: 6 day week <br />*25, 60, 60 horsepower motors <br />*1300 GPM <br />*108.2 KW <br />Required running time: 11.2 hrs. <br />Winter Months <br />$1678.68/month (Kilowatt usage, <br />on & off peak) <br />$ 613.75/month (Demand charge) <br />$2292.43 (Total monthly charge) <br />X 5 months <br />$11,462.14 <br />Summer Months <br />$1479.37/month (Kilowatt usage, <br />(off peak all the time) <br />X 7 months <br />$10,355.60 (for 7 summer months) <br />Rainbird total yearly cost: <br />$21,817.74 <br />TORO <br />Key assumption: 6 day week <br />*25, 75, 75 horsepower motors <br />*1560 GPM <br />*111.9 KW <br />Required running time: 10.5 hrs. <br />Winter Months <br />$1574.70/month (Kilowatt usage, <br />on & off peak) <br />$ 636.88/month (Demand charge) <br />$2211.58 (Total monthly charge) <br />X 5 months <br />$11;057.92 <br />Summer Months <br />$1309.61/month (Kilowatt usage, <br />(off peak all the time) <br />X 7 months <br />$9,167-26--(for-7 summer months) <br />Toro total yearly cost: <br />$20,225.18 <br />Mr. Sheldon then introduced Rick Dring of AutoFlow, Inc., <br />who assisted him in preparing this data. <br />Mr. Dring informed the Board that he represents a pumping <br />system manufacturer out of Dallas, Texas, and he is a mechanical <br />engineer with a Master's Degree in electrical and hydraulics. He <br />stated that he did this analysis for Mr. Sheldon in an unbiased <br />fashion. He had to make a lot of assumptions because they did <br />not have all the supporting data, but he made those same <br />assumptions for both systems. <br />Mr. Greenfield of Boynton Pump, supplier of -the Rain Bird <br />system, presented the following figures: <br />67 <br />BOOK 64 FAGE 353 <br />