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<br /> <br />Boatina Course Centerline; <br />. The plan-view centerline of the Boating Course. The centerline follows the center <br />conveyance lines as depicted on a series of cross sections throughout the length of the <br />whitewater channel. <br /> <br />Boatina Course Length C'L"); <br />The length (in feet) along the Boating Course Centerline starting at the most upstream <br />control point and continuing through the most downstream control point that enhances <br />and defines the Boating Course. Furthermore, the downstream cross-section of no <br />hydraulic impact defines the downstream terminus of the Boating Course Length. <br /> <br />Downstream Section of No Hydraulic Impact; <br />The cross section at, or just downstream of, the Boating Course where river and <br />hydraulic parameters such as velocity, shear stress, channel width and depth, sinuosity, <br />etc. are first returned to the pre-project state. <br /> <br />Hydraulic Drop C'HD"); <br />The difference (in feet) between the water surface elevation upstream of the upstream <br />control point and the water surface elevation at the Downstream Section of No <br />Hydraulic Impact. <br /> <br />. <br /> <br />Destination Oriented RICDs; <br />RICD improvements that are oriented toward providing a destination facility or boating <br />course. A destination boating course is one that would primarily attract recreational <br />users to come and spend time at that facility. <br /> <br />Passage Oriented RICDs: <br />RICD improvements that are primarily intended to provide or enhance continuous boat <br />passage of recreational users and fish through a reach of a particular stream. <br /> <br />B. Recreational Stream Flow Rate Criteria <br />A Recreational Stream Flow Rate Criteria ("RSFR") appropriate for a particular RICD <br />should not be based upon the existing or proposed configuration of a particular course. <br />Rather, determination of RSFR should be based upon more general characteristics of <br />the river reach and site where the RICD is proposed and the intended users. To be <br />considered for an RICD, the follow criteria should be met. <br /> <br />· As described above, the Performance Index should be at least 75 for a <br />. destination oriented RICD. <br /> <br />10 <br />