Laserfiche WebLink
ENGEOLOG OF BORING MWR-30 <br /> I IN C O R P O R A T E D <br /> WELL INSTALLATION DATE DRILLED:August 17,2005 LOGGED/REVIEWED BY:R. Declaro/D.R.H. <br /> RIVER ISLANDS HOLE DEPTH (FT):25.0 ft. DRILLING CONTRACTOR:V&W Drilling <br /> LATHROP, CALIFORNIA HOLE DIAMETER: 10.0 in. DRILLING METHOD: Hollow-Stem Auger <br /> 5044.5.001.01 SURF ELEV(FT-MSL): 11.53 ft. HAMMER TYPE: 140 lb.with 30 in.drop <br /> �X <br /> O � <br /> LL N Q <br /> a)U Well: MWR-30 <br /> U o .� Elev.: 13.22 feet MSL(NAVD 88) <br /> L C- DESCRIPTION W v o*L <br /> CL E U o <br /> 0 o cn 5 m 3S <br /> 0 0 <br /> SILTY SAND(SM), brown, loose to medium dense, moist, <br /> trace clay. <br /> Grout <br /> 1 <br /> 5 4"SCH 40 Solid PVC <br /> 15 <br /> 2 CLAYEY SILT(ML), brown,stiff,wet,some fine-grained <br /> sand. 16 <br /> 12 Bentonite Plug <br /> SILTY CLAY(CL), brown, medium stiff to stiff,wet. <br /> 10 3 <br /> CLAY(CL),with silt,gray,very stiff to hard,wet to 23 <br /> saturated. <br /> 33 <br /> 4 45 <br /> SILT(ML),some clay,gray to olive brown, hard, <br /> 15 saturated. 59 <br /> `o <br /> 5 SILTY CLAY(CL),olive brown, hard,saturated. 73 #212 Filter Pack <br /> SILT(ML),with clay,olive brown, hard,saturated,trace <br /> fine-grained sand. 53 .010 SCH 40 PVC Well Screen <br /> N <br /> m <br /> 40 <br /> 20 6 <br /> o SILTY CLAY(CL), light gray and brown, hard, moist. 54 <br /> 4"SCH 40 Solid PVC Sump <br /> Slip Cap w/stainless screws <br /> 0 <br /> N <br /> 7 <br /> 7 <br /> N Bottom of boring at 23 feet. <br /> o Groundwater encountered at 13 feet during drilling. <br /> 25 <br /> N <br /> 0 <br /> Bottom of well at 22 feet. <br /> a 8 <br /> U <br /> g <br /> U <br /> 0 <br /> 0 <br /> N <br /> 9 <br /> 4 <br /> 30 <br />