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<br />. <br /> <br />, <br /> <br />. <br /> <br />PLANS AND ESTI1~\TES <br /> <br />Full discussions on surveys, geology, ~nd construction <br /> <br />fe~tures will be found in the ~hy 1937 report end ~re nnt repe8ted <br /> <br />here. The pl~ns for the smaller reservoir ~re substnntislly the <br /> <br />surne QS for the larger reservoir for which dr~wings are shown in <br /> <br />that report. Accordingly, this report presents only a discussion <br /> <br />of fe3tures of design ch1nged from the previous plan 3nd revised <br /> <br />cost est lln9. tos. <br /> <br />Y,'EBER RESERVO IR <br /> <br />The DaI'ls <br /> <br />The d2I'l ~crOSs the m~in arroyo (No.1) consists of Q <br /> <br />compacted clay and sand fill with ~n upstre~m slope of 3:1 <br /> <br />(drawing 2,4-D-99 revised 4-1,-38). The dovmstra~m slope of <br />It:l is covered with Q dumped rock fill, five feet thick .at the <br />crest, increasing in thickness to~rd th~ b0ttom Qnd finished to <br /> <br />an outer slope of 2:1. The upstream face of the dam is protected <br /> <br />by dwnpad rock riprap three feet thick. The crest of the d"ffi is <br />30 feet wide ond at an elevation 8 feet ~bove normal water level. <br />The estilnate provides for stripping the site to " depth <br />of two feet in the creek bed and one foot on the abutments. A <br /> <br />cutoff trench 10 feet wido st the bottom with 1:1 side slopes is <br /> <br />28 <br /> <br />2313 <br />