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v <br /> INITIAL STUDY FOR QX-96-1 (Cont. ) <br /> i.b. , c. <br /> The applicant is proposing to excavate approximately 125 feet below <br /> grade to an elevation of :85 feet above saa level. According <br /> application materials, the groundwater table shown on the drill log <br /> of a well drilled an. the' west side of the property in 1991 showed <br /> the water table at elevation 75 feet. Excavation will extend to <br /> elevation 85 feet, which is 10 feet above groundwater. No <br /> excavation will be done below the water table. The project has <br /> been designed so that all runoff from disturbed surfaces will <br /> remain within the pit. <br /> 2.a. , <br /> ' The applicant is proposing to excavate 130 acres of the 142-acre <br /> site. The excavation includes one pit to be excavated to a depth <br /> .; 125 feet below grade and reclaimed to a depth of 120 feet below <br /> grade. Approximately 42 acres will be composed of pit walls, with <br /> 88 acres remaining in the pit bottom proposed to be reclaimed to <br /> row crops. There are two types of soil identified on the site. <br /> Zacharias clay loam, Class I irrigated; and Zacharias gravelly clay <br /> loam, Class II irrigated. Both soils are classified as being <br /> prime. The applicant is . proposing working slopes of . 75: 1 and <br /> final slopes of 1.5: 1, with 20-foot benches every 40 feet on the <br /> Pit slopes. Given the depth of the pit and angle of the pit walls, <br /> it is questionable whether or not it will be feasible or possible <br /> to reclaim the pit floor to an agricultural 'use such as row crops, <br /> 42 which is what is proposed. It is also <br /> questionable whether the pit <br /> walls will be stable at .the proposed 1.5: 1 slopes. <br /> 3.a. , b. <br /> i <br /> The site is within the Buffer Area of the San Joaquin Kit Fox ' <br /> Habitat Conservation Plan (HCP) . Since the apricot orchards have <br /> been removed, the site may also provide foraging habitat for ' <br /> Swainson' s hawks nesting nearby. <br /> s <br /> � <br /> 4.a. <br /> The Draft ETR prepared for the nearby Vernalis Interchange project <br /> identified short-term construction related air alit impacts <br /> help significant quality P as � <br /> g gnificant and unavoidable. Excavation of this site will <br /> add incrementally to adverse air quality impacts. <br /> f' <br /> ' S.b. <br /> Irk Noise from excavation, processing, and hauling may adversely impact <br /> fi area residents. <br /> I <br /> , y� initial Study - 9 - QX-96-1 <br />