Laserfiche WebLink
a.. <br /> Mme, PRE•TAUK REPtACEMUt Site Asscssirent Work Plan <br /> 5131 Pacific Ave, Stockton, CA <br /> Aegis Project No. 90.020 <br /> Pape 8 <br /> the station building is most likely serviced by underground cables <br /> that run from the booth to the station building. The water and <br /> i , sanitary sewer access the property at the northeast corner of the Site <br /> from Porter Avenue. <br /> it 2.6.2 Off-Site Utilities <br /> Approximate locations of water, sanitary sewer, and storm sewer lines <br /> beneath servicing the site are shown on Figure 4. The City of Stockton <br /> maintains sanitary and storm sewers. Cal Water maintains the water <br /> service, pacific Gas and Electric maintains the natural gas and <br /> !^ electric service in the area. <br /> E.: <br /> 2.7 Site subsurface Conditions <br /> J <br /> Surface geologic strata in the vicinity of the Site consist of <br /> undifferentiated recent basin alluvium and units in the Victor <br /> Formation (T)wR, 1967) . The strata were deposited in alluvial fan and <br /> flood plain environments, and include lenticular gravel, sand, silt, <br /> �A and clay. The age of these deposits ranges from Pleistocene to <br /> Holocene. In the vicinity of the site these deposits are approximately <br /> 70 feet deep below grade. <br /> ?,n Site Hydroloav <br /> } The Victor Formation and recent alluvial deposits act as important <br /> ground water recharge areas. Depending on the depth to the water <br /> table, these deposits have yielded significant amounts of fresh water <br /> to shallow wells. The y1old of water wells, however, will be dependent <br /> on the nature of strata that is screened. Permeable sand and gravel <br /> deposits will yield more ground water than silt and clay lenses which <br /> ,., have a low permeability ('DWR,1967) . <br /> Well logs from water wells indicate that ground watLr beneath the Site <br /> is between 40 and 50 feet: below grade. A local ground water depression <br /> exists towards the east between Stockton and the foothills of the <br /> Sierra Nevada, and the local hydraulic gradient in the vicinity- of the. <br /> site-is anticipated to bet toward the ease. <br /> 2..9 Ronal. Geology <br /> The Site lies within the northern section of the San Joaquin Valley, <br /> which is located in the southern portion of the Great Valley Province. <br /> The San Joaquin Valley is a structural trough extending south from the <br /> Sacramento-San Joaquin Delta to the Tehachapi Mountains. The San <br /> i Joaquin Valley is bounded by the Sierra Nevada in the east and the <br /> Coast Ranges in the west. <br /> r = <br />