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<br />- <br /> <br />- <br /> <br />- <br /> <br />ALTERIlATlVE <br /> <br />Alternathe A <br /> <br />Alternathe B-1 <br />(UnHned Ditch) <br /> <br />W <br />I <br />..... <br />..... <br /> <br />- <br /> <br />- <br /> <br />PROJECT COST <br />$ 381,190 <br /> <br />$ 167,534 <br /> <br />Alternative B-2 $ 708,052 <br />(Rock-lined <br />Ditch) <br /> <br />Alternative B-3 $ 679,450 <br />(Concrete Lined <br />Ditch) <br /> <br />A lternat he B-4 $ 761,468 <br />(Pipe) <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />TABLE 3-1 <br />NORTH FORK TO JUNIATA DIVERSION FACILITIES <br />ALTERNATIVES MATRIX <br /> <br />o & H CONSIDERATIONS <br /> <br />FLEXIBILITY <br /> <br />Air. sediment and debris <br />control required <br /> <br />Capability of delivering <br />water to Juniata and/or <br />Purdy Mesa Reservoir <br /> <br />Severe erosion can be <br />expected for several <br />years. <br />Difficult wintertime access <br />to upper diversion <br />structure. <br />Numerous structures and <br />crossings to maintain. <br /> <br />Present City Pipeline <br />remains in service for 6 <br />cfs delivery to Purdy <br />Mesa Reservoir. <br /> <br />Difficult wintertime access. Same as 8-1 <br />Numerous structures. <br /> <br />Difficult wintertime access. Same as 8-1 <br />Numerous structures. <br />Problems due to high <br />velocities: <br />Scour <br />Unstable flow (waves) <br />Energy disSipation <br /> <br />Difficult wintertime access. Same as B-1 <br />Velocity problems similar to <br />B-3. <br />Air, sediment. debris <br />contro 1 <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />TRANSMISSION LOSSES ENVIRDN./POLITICAL <br /> <br />Minimal transmission losses. No new environmental <br />impacts. <br />Crosses BLM land <br />permit required. Not <br />likely to be <br />contested. <br /> <br />Stream diversion will <br />alter fish & wildlife <br />on private, Forest <br />Services. and BlM <br />lands. <br />8lM and Forest Service <br />permits required. <br />Opposition and <br />subsequent environ- <br />mental accessment is <br />likely. <br /> <br />Transmission losses in excess <br />of 1~ may be encountered. <br /> <br />5-10% transmission losses <br />may be encountered <br /> <br />Minor transmission losses <br /> <br />Minimal transmission losses <br /> <br />Same as B-1 <br /> <br />Same as 8-1 <br /> <br />Same as B-1 <br />