Laserfiche WebLink
<br /> <br />. <br /> <br />CHAPTER III <br /> <br />BASES FOR ANALYSES <br /> <br />basaltic materials and other geologic formations surro1ll1ding the area. <br />They are deep, reddish-brown loams to clay loams With medium texture. <br /> <br />Drainage <br /> <br />Drainage deficiencies exist to varying degrees in four small, sepa- <br />rate areas with a total of approximately 760 acres or about 10 percent <br />of the irrigable area. These drainage-deficient areas occur in topo- <br />graphic lows in shallow semi-enclosed valleys and basins. Project <br />drainage facilities would be required in these areas to effectively con- <br />trol the water table for sustained general cropping. <br /> <br />Aside from the 760 acres requiring drainage, most of the irrigable <br />lands have natural drainage features which would control or limi t ad- <br />verse water buildup. The only exception is a tra.ct of 240 acres of class <br />3M land lying along Cattle and Coulter Creeks. Thes e lands are only a <br />few feet a.bove the streambeds and are subject to shallow, fluctuating <br />water tables. The production capabilities of these lands warrant their <br />irrigation without specific drainage measures. <br /> <br />Farm drains to remove exceSS surface water would be the responsibil- <br />ity of the land owners. <br /> <br />. <br /> <br />Cost Estimates <br /> <br />Construction costs <br /> <br />Construction costs of principal features for each plan were estimated <br />by the Bureau of Reclamation on the basis of January 1973 price levels. <br />The estimates were made from feasibility designs in some instances and <br />from reconnaissance designs in others. The estimates were based on a use- <br />ful life of a.t least 100 years for each major project' feature. They in- <br />clude costs for rights-of-way and relocation of existing facilities. <br /> <br />Cost estimates have been made only for features that would be Feder- <br />ally financed. Water users would be required to construct additional fa- <br />cilities for treatment and distribution of the m1ll1icipal and domestic wa- <br />ter supplies but no estimates of the costs of these facilities have been <br />made. <br /> <br />Costs of investigations <br /> <br />Costs of Basalt Project investigations to J1ll1e 30, 1973, are included <br />in the estimates of construction costs. These costs have been excluded <br />from the project financial and economic analyses since they are nonreim- <br />bursable in accordance with the act of October 29, 1971 (Public Law 92-149). <br /> <br />. <br /> <br />21 <br />