Water-power; an outline of the development and application of the energy of flowing water . redwith that of the dam. For this reason it is advised, in the caseof a high dam, to make a return in the fishway, bringing thedischarge nearer the dam, as indicated by Fig. 74, where thefish will more readily find the entrance. Of course the readerwill understand that in this very general view of the subjectwe are giving no heed to the question of possible injur\- to thestructure by water or ice coming over the dam. Fig. 75 shows in more detail a form of fishwa\ approvedby the United States Commission
Water-power; an outline of the development and application of the energy of flowing water . redwith that of the dam. For this reason it is advised, in the caseof a high dam, to make a return in the fishway, bringing thedischarge nearer the dam, as indicated by Fig. 74, where thefish will more readily find the entrance. Of course the readerwill understand that in this very general view of the subjectwe are giving no heed to the question of possible injur\- to thestructure by water or ice coming over the dam. Fig. 75 shows in more detail a form of fishwa\ approvedby the United States Commission of Fish and Fisheries. It isrepresented as applied to a dam of cribwork, but is susceptible,with suitable modifications, of application to a dam of anyconstruction, and requires no further explanation than is con-tained in the following directions of the Commission: Slope of fishway should not be steeper than on a ratio ofI vertical to 4 horizontal. Intake, or up-stream end offish-way, should be amply large and placed not less than i footlower than the crest of the dam. FISH IVA VS. 155. - - ISO APPENDAGES OF DAMS.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthydraulicengineering
