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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Unit Costs <br />If it is necessary to reduce the scope of the current project because <br /> <br /> <br />of funding limitations, the decision of how to structure the water system <br /> <br /> <br />may be aided by a comparison of unit costs of delivering water to the <br /> <br /> <br />different service areas. <br /> <br />Each branch of the skeleton water distribution system shown on Map 2 <br /> <br />has been identified as Line A, B, C, D, and E. Line D, with 12 service <br />connections, is the main distribution line from the storage tank to the <br />center of Larkspur, and its cost should be assigned to all of the connections <br />in the area. The incremental cost of each branch line-that is, just the cost <br />of constructing the branch and its appurtenances, including contingency, <br />inflation, and professional services-is summarized below. <br /> <br />Line Number Total Cost <br /> of Cost per <br /> Connections Connection <br />A 13 $39,500 $3,040 <br />B 10 $18,600 $1,860 <br />C 12 $36,100 $3,008 <br />E 10 $27,600 $2,760 <br />Fox Fann 10 $68,000 $6,800 <br />If the alternative shallow well in Larkspur or the three existing deep <br /> <br />wells were selected as the supply so1.U'ce, the wells could discharge to the <br /> <br /> <br />tank through distribution Line D, eliminating about 3,200 feet of trans- <br /> <br /> <br />mission line shown on Map 1. In that case, service to Fox Farm Road 'oofould <br /> <br /> <br />have a higher incremental cost. <br />Construction costs, operations and maintenance costs, and possible <br /> <br />financing are described in Section V. <br /> <br />27 <br />