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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 />Qpinion of Probable Construction Costs <br /> <br />The Opinion of Probable Construction Cost was developed for the build-out scenario of a <br />pressurized secondary supply system in the Highland Ditch service area. Unit prices <br />were used based on currently available information from similar projects, equipment <br />manufacturer input, and local contractor input. <br /> <br />The costs presented here are based upon the conceptual design and assumptions <br />described in this feasibility study. Changes to the concept will affect these costs. <br />Locations of reservoirs and pumps affect pipe routing and sizing and one change to a <br />single component can affect multiple parts of the system and thus costs. Tables 6 <br />through 9 show the components and costs conceptualized for this project at build-out by <br />Phase. Table 10 shows the Opinion of Probable Construction Cost for all four phases. <br />The order-of-magnitude of the proposed unit costs and total construction costs are <br />presumed to be reasonable based on other similar work. It is suggested that these costs <br />be used to determine if the project concept is feasible. Final design and construction <br />documents should be used to estimate the actual construction cost of the project prior to <br />having contractors bid. <br /> <br />Aqua Engineering, Inc. <br />November 8, 2004 <br /> <br />Canal Modernization Feasibility Study <br />- 27- <br />