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<br />.' , <br /> <br />i. ... <br /> <br />. <br /> <br />UNITED STATES <br />DEPARTMENT OF <br />AGRICULTURE <br /> <br />NATURAL RESOURCES <br />CONSERVATION <br />SERVICE <br /> <br />325 W. Rainbow <br />Salida, Colorado <br />(719) 539-7331 <br /> <br />The Proposed Siphon Under the Arroyo at th~ Crazy Horse ) <br />Campground ( ~ ELk Cb::EK <br /> <br />5-16-02 <br /> <br />This project will include: <br />Approximately 86 L.F. of (*24 inch diameter or 27 inch <br />diameter) 80 psi PVC pip~. <br /> <br />1 - 45 degree 100 psi elbow <br />1 - 30 degree 80 psi elbow <br /> <br />2 - ~ inch steel plate structures with 2"x 2" x 1/4" angle <br />iron reinforcement on all edges. <br /> <br />Pipe saddle with 4 inch opening for Vent at siphon inlet. <br /> <br />Minimum 4 inch diameter drain should be installed at low <br />area of Arroyo bottom. <br /> <br />Bedding material might be required, depending on type of <br />material excavated from pipe trench. <br /> <br />*Note: Pipe diameter will be determined by the amount of <br />water that needs to be delivered through the siphon. <br />24 inch 80 psi pvc would flow 13.96 cfs and 27 inch <br />80 psi pvc would flow 17.80 cfs. <br /> <br />**Note: Ditch users and Contractors must understand that <br />this information is for estimating purposes only. <br />More detailed design and specifications would be <br />provided by the Natural Resources Conservation <br />Service if the project is installed. <br />