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<br /> <br />. <br /> <br />. <br /> <br />.r' ""','" ,'--. <br />.)f.,,\' , <br />~U'J'.", <br /> <br /> <br />BASAL'l' FROJECT <br /> <br />PROJECT PLAN. FEATURES. AND COSTS <br /> <br />excavation would be cOJrJ!1on. CuI verts, turnouts. siphons. and meMuring <br />devices would be provided as required. <br /> <br />Sopris Canal <br /> <br />The Sopris Canal would extend southeast 8.3 miles from the outlet <br />of the Roaring Fork siphon on the Carbondale Canal to its terminus at <br />l'lest Sopris Creek. Its ce,pacity of 25 second-feet would be utilized to <br />convey project water to lands in the Sopris area. The canal would con- <br />sist of open earth section except for about 0.4 mile of bench flUllle or <br />closed conduit along the face of steep sandstone cliffs. Only minor <br />clearing would be necessary. The major portion of the canal excavation <br />would be in reddish sandy clay loam where no lining would be required. <br /> <br />Farm laterals <br /> <br />New farm laterals would be constructed to serve lands that will <br />receive a full water supply from the project. New laterals would also <br />be constructed or existing laterals enlarged as necessary to carry sup- <br />plemental project water to lands now irrigated. In the absence of a <br />defini te determination of proj ect lateral requirements. general lateral <br />costs per acre of land served have been estimated. <br /> <br />Land drains <br /> <br />Nearly all of the project lands have good natural drainage. but <br />construction of some drains may be necessary on small depressed areas. <br />Drains may also be required to prevent aggravation of adverse drainage <br />conditions on small areas of nonproject lands receiving return flow from <br />project irrigation. Project drainage requirements have not been analyzed <br />in detail, so that a unit cost per acre of project land was estimated for <br />project Sl).alyses. <br /> <br />Estimated Pro~ect Costs <br /> <br />Construction costs <br /> <br />The construction cost of the Basalt project is estimated at <br />$17,545,000, including $1,885,000 of the cost of the Ruedi Dam and Res- <br />ervoir as explained in the introduction to this volume. The remaining <br />costs ($15..660.000) were estimated at prices as of Jenuary 1962. Except <br />for farm laterals and drains, the estimates have been based on reconnais- <br />sance designs. including alignment and layout drawings. and estimated <br />construction quantities and unit prices. Laterals were estimated at $90 <br />per acre for full service land and $20 per acre for supplemental service <br />land. Project drainage costs were estimated at $25 per acre of project <br />. land. roun~ed to a total of $510.000. The following estimate itemized <br /> <br />16 <br />