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<br />'. <br /> <br />.; <br /> <br />., " <br /> <br />'- <br /> <br />PROPOSED SCOPE OF WORK <br />REHABILITATION OF SPILLWAY <br />FUCHS OAI1 <br /> <br />INTRODUCTION <br /> <br />Fuchs Ranches, Inc. has requested assistance from the Colorado Water <br />Conservation Board (CWCB) to determine the feasibility and preliminary <br />design of new spillway facilities for Fuchs Dam and recommendations for <br />repairing the slide near the spillway channel. <br /> <br />The existing spillway and spillway channel are inadequate to handle <br />the "moderate" hazard spiThlay flows without overtopping the dam. In <br />addition, flows from the existing spillway have caused erosion of the <br />spillway channel resulting in a slide below the Forest Service road in the <br />area. The State Engineer's Office (SED) and U,S. Forest Service are <br />requiring that rehabilitation work on the dam, spillway and spillway chan- <br />nel be done as soon as practicable or the Owners will be restricted in <br />their r2servair operations. <br /> <br />STUDY f:ETP.OD0LOGY <br /> <br />The Fuchs Dam feasibility study, as viewed and interpreted by <br />Hydro-Triad, Ltd., will consist of the following: <br /> <br />A. Daoa Collection and Coordination <br /> <br />An important aspect of the study is the accumulation of the I~equ;red <br />data to adequately assess the project feasibility and make a preliminary <br />design af the: reccmmended improvements. A significant amount. of data has <br />already been collected by Hydro-Triad during previous studies on the dam <br />for the Owners of Fuchs Dam. The additional data will consist of water <br />rights and financial data. The coordination effort will include meetings <br />with CWCB, SEO and Forest Service officials wlen needed. <br /> <br />B. Hydrology and H~draulics <br /> <br />Basic to the preliminary design of the spillway and spillway channel <br />will be 'the determination of the inflow design flood to the dam and <br />reservoir. Some "lark. has a1 ready "been. perfOf"med by' Hydro-Triad on the"-" m .., <br />hydrology and hazard classification determination. This work has, however, <br />been mainly oriented toward a low hazard spillway rating. This work phase <br />will consist of updating the previous hydrology study to account for a <br />moderate hazard c1 assificat ion of the structlJre for spi 11 'r/aY design <br />purposes. <br /> <br />-1- <br />