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<br />I <br />I <br /> <br />I <br />I, <br />I <br /> <br />River at this location and this geometry will create the types of experiences desired by the <br />expected users of this park as defined in this report. <br /> <br />.' <br />I <br /> <br />The lower Structures, Structures 10, 11, and 12, will feature a wider and flatter aspect ratio. <br />There are several reasons for the differences in aspect ratio at the two locations. The <br />primary reason is that the existing aspect ratios of the existing river are currently different at <br />the two locations. The imposition of a wider, flatter aspect ratio at the upper structures <br />would cause sedimentation, erosion, and would evolve the existing morphology at this site. <br />The converse is also true for the lower structures. These structures would create a flooding <br />risk and erosion if a deeper aspect ratio were used. However, it is the designer's opinion that <br />the wider aspect ratio at the lower structures will provide for increased variety across the face <br />of hydraulic and that the narrower, yet slightly deeper aspect ratio of the upper structures <br />will provide a similar attraction through increased power and surginess. Figure 13 shows the <br />preliminary design calculations for Structure #12, the widest of the proposed structures, <br />These calculations were made under the same usage assumptions used in Figure 12 for <br />purposes of comparison. <br /> <br />I' <br />I <br /> <br />I <br />I <br /> <br />I <br />I <br />I <br /> <br />I <br />I <br />I <br />I <br />I <br /> <br />l,.\:~ \1 I ct.\ PI <br />..j.:-;~ .\r.I;"'.'lw..: \,. H"u\kr (I) Xlll1l2 <br />I{. ,'r~'~lIll'l1"': ~ \. . ~!L'\.>,:nnf ,/ d' ll..-;.L"L L,:I .\ " \\ \\ \\ pJ.rk.... ,.1In ! ;0 ~ ~ "-1". ~":-: ~ <br /> <br />30 <br />