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<br />~~<<-~ J <br /> <br />....~ ....... <br />, tIIt~... <br /> <br />CONSULTING ENGINEERS1 GEOLOGISTS1 CONSTRUCTORS <br />600 South Carr street <br />P. D. Box 260880 <br />Lakewood~ Colorado 80226-0880 U.S.A. <br /> <br />UEBLACKER ASSOCIATES <br /> <br />Phone/Fax: 1+303-988-9489 or 303-279-0156, e-mail: hueblacker@.aol.com <br />September 22, 2003 <br />Dave Miller, President <br />NATURAL ENERGY RESOURCES COMP ANY <br />P. O. Box 567 <br />Palmer Lake, CO 80133 <br /> <br />Subject: Phase 1... Feasibility Level Geologic and Geotechnical Investigation of <br /> <br />Union PaFlt Dam <br /> <br />Dear Dave: <br /> <br />Ueblacker Associates is pleased to inform you that the field mapping for the subject <br />investigation bas been completed as scheduled. The work was carried out by a team of <br />experienced professional geologists under a special use permit issued by the Forest <br />Service) USDA. The geological fieldwork consisted mainly of fracture mapping to <br />estimate the strength and deformation properties of the rock mass in the foundation of the <br />pro})OSed RCC gravity danL Seismic refraction surveys were completed to determine the <br />depth to bedrock along the dam axis. <br /> <br />The proposed RCe gravity dam w111 be between 560 and 580 feet high and will have a <br />crest length of approximately 2,060 feet. It is located approximately 2~100 feet <br />dO\Vl1Stream from the east entrance to Union Canyon on Lottis Creek.. A preliminary <br />evaluation of the geological field data suggests that the rock mass in the foImdatioD of the <br />darn will be competent to support the static and dynamic loads ofa gravity structuremth <br />a reservoir storage capacity of up to 1.2 million acrl7feet. A high safety factor against <br />sliding and bearing failure is anticipated. <br /> <br />All surface geological information must be verified by test drilling which is scheduled to <br />be completed in 2004 during Phase 2 of the subject investigatioIL <br /> <br />S lncerely YO\ltS:t ' <br /> <br />UEBLfCKER ASSOCIATES <br /> <br />Horst Ueblacker, P. E., Principal <br /> <br />(jy,~ <br /> <br /> <br />PLANN1NG LEVEL - OP1NiON OF PROBABLE PROJECT COSTS <br />for Proposed New Storage Facilities (Arkansas and Gunnison Bas <br />and Enl3rgement of Existing Reservoirs {i (Arkansas Basin) <br />based on Cost Data: published in 2000 and Z001 <br /> <br />Prepared by Horst Ueblacker, P.E. <br />UE8LACKER ASSOCiATES, Consulting Engineers and Geologists~ La <br /> <br />Item No. Project Description Storage Vol <br /> {AF) <br />1 Proposed New Reservoirs <br />2 Union Park Reservoir (Ree Gravity Dam) 1.200~OOO.0( <br />3 Union Park Reservoir (Ree. Gravity Dam) 900,OOO.'JC <br />4 Halfmoon Creek ReseNoir 1 DO.aOO.Ot <br />5 Tennessee Creek Reservoir 281000.0< <br />6 Clear Creek Reservoir 102.000.m <br />7 Box Creek ReselVoir 33.000.C <br />8 Williams Creek ReselVOir 10,QOO.0 <br />9 VVi11iams Creek Reservoir 30,000.( <br />10 WiJJiams Creek ReselYOir 51,OOO.C <br />11 Chalk Creek Reservoir 15,000.( <br />12 Upper Arkansas Reservoir (Hayden Ranch) 49.000.( <br />/ 13 Proposed Reservoir En largements <br />14 Pueblo Reservoir Enlargement 251000.( <br />15 Pueblo Reservoir Enlargement 60,000,( <br />16 Pueblo Reservoir Enlargement 751000.( <br />17 Turquoise ReseIVOjr Entargement 11 t950J <br />18 Turquoise Reservoir Enlargement 19.600J <br />19 Lake Meredith Enlargement 151OOO.{ <br />20 Lake Meredith Enlargement 25,000.1 <br />21 Lake Meredith Enlargement 40.000.0 <br />22 Lake Meredith Enlargement 55.000.0 <br />23 Lake Meredith Enlargement 75.000.0 <br />