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r -C .. � <br />VVoodwa d <br />direct sheaz tests would be performed to develop engineering properties, including <br />residual strength, for use in the analyses. <br />Task 4 - StabiliLy Analyses <br />Stability analyses will be performed using the computer program U'TEX�►S3, which is <br />more suitable for evaluation of embankment slides than many slope stability analysis <br />programs. U'T�XAS3 allows variation in the geometry of the siide plane to model <br />discontinuities in the soils, such as irrcgular slide surfaces identified in the drill holes and <br />along soil interfaces in zones of the embankment (such as through the puddle core} or <br />foundation materials. In addition, we will model the slope movement using a Factor of <br />Safety equa11.0 (incipient failure). Based on the results of our analyses we wili develop <br />the most likely fa.ilure scenario{s) and then prepare repair measures to restore the <br />embankment to operaring condition. a ures would be developed based <br />on the Colorado State Engineer's requ' . <br />Task 5 - Report ��� �'� <br />We will prepare a report, signed by a Professional Engineer registered in the State of <br />Colorado, summarizing the results of our �eld investigation, laboratory testing, stability <br />analyses, and our recommended repair plan.. We will also provide a construction cost <br />estimate for the repairs including 5na1 design and construction engineering costs. <br />4.2 SCOPE OPTIONS <br />We have summarized below several scope options. These include options requested by <br />Mr. Templeton (i.e., options for spillway enlazgement, outlet works camera inspection, <br />and raising the embanlanent 3-4 feet), and options that we believe are important in <br />developing a repair ta the dam, but were not specifically included in the scope <br />description provided by the Water Cornpa.ny. We would be happy to meet with the <br />Beaver Park Water Company Board to discuss the basic work scope and the scope <br />options presented below. <br />Woodwaed-Cyrde Consulqnts <br />23360/PR0.4 12-08-93(8:53ao�/RPT �-3 <br />