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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 />of powder. Oetai1ed estimates of rock, common, and wet excavation must await <br />further field examination and exploration along the line decided upon. <br /> <br />3.7 Alignment Alternatives <br /> <br />Prior to the initiation of this feasibility stutiy, the only analysis made on <br />a1 i qnment sel ~cti on was the general 1 ayout i ncl uded in the Bureau's Oolores <br />Project, DPR of 1977. The Bureau's preliminary alignment followed county and <br />state roads in a southwesterly di recti on until the reservati on boundary \~as <br />intercepted by State Hi ghway 660. Fi gure 3.3 presents a base map of the <br />region with the Bureau's alignment superimposed on it. Starting at the County <br />Road N just south of the Cortez water treatment plant, the Bureau's alignment <br />proceeded west to "li 1 dred Road and then south along Mil dred Road through <br />Cortez, where it followed the county road network to the j uflcti on of State <br />Highway 660 and the county airport road, (the junction is commonly identified <br />as the M and M Truck Stop). From this junction southw~ster1y to the <br />reservati on boundary, the Bureau's ali gnment parall ed Hi ghway 666 withi n the <br />State Highway right of way. <br /> <br />The Bureau's proposed alignment appears to have been generally guided by an <br />attempt to minimize right-of-way acquisition, and yet hold the pipeline within <br />a reasonable length. The total length of their alignment was about lOfl,OOO <br />feet. The residential development along Mildred Road in and near the City of <br />Cortez has e)(panded over the last 10 years. nurinq the field review held by <br />the CWCB, prior to reviewing engineering proposals, the City of Cortez' <br />representatives lodged stronq objections to alignments para11elinq Mildred <br />Road. <br /> <br />Two major constraints control the selection of an alignment for the pipeline. <br />First is the normal engineering practice of selecting the least expensive \~ay <br />of achieving the desired results. But there is also the perceived difficulty <br />of obtaining ROW across private lands without undue delay, anti the Agreement <br />requires that the construction be completed by Oecember 1988. Therefore, two <br />alternati ve a1 i gnments have been i nvesti gated--one that traverses only <br />existing public rights-of-way, the other that is better from the engineering <br />and construction point of view, but crosses private lands. <br /> <br />3-27 <br /> <br />1060c <br />