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i <br /> a.. I <br /> f <br /> f ` <br /> f <br /> MW-3 <br /> 49.19' <br /> 41.5.x' <br /> MW-2 <br /> TOC: 50.42' 'Groundwater gradient is <br /> 41.5"2` �;� �� j a ow ft./ft. <br /> r <br /> MW-BTI MW-1 <br /> 2' ,TOC;49.65' TOC: 50.81' Potable <br /> a- water <br /> 41.64' 4I 68' ®well <br /> � i <br /> r_= , C <br /> a3 <br /> v <br /> C: <br /> (� {, <br /> Building <br /> ] <br /> ° 7777 West IIth Street <br /> 3 <br /> a <br /> 20' ' 10, 0 50 feet <br /> XX)Vr Groundwater elevation(feet above MSL), <br /> Groundwater gradient value and direction is calculated from <br /> groundwater elevations in monitoring wells MWs 1, 2, and 3.. j Depths to groundwater measured on <br /> MW- arch 2 199 <br /> Monitoring well. <br /> i f <br /> TOC:XXJO(' Top Of Casing elevation. <br /> Datum is surface of building slab, <br /> Project-#6396012.01 <br /> assumed 50.00'elevation. JOHN �'• CU�AMINGS PIEDMONT LUMBER. <br /> A ASSOCIATES 7777 West I Ith Street, <br /> Trac ,San oa uin Co., Catif. <br /> Site dimensions,well locations, and well elevations <br /> from field measurements and surveys by Fig 3 GROUNDWATER GRADIENT <br /> John P. Cummings&Associates, November 1997. <br /> i <br /> r:. <br /> f <br />