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1111 Broadway, 6th FI BORING DMW-5B SHEET 3 OF 4 <br /> Geosyntec Oakland, CA 94607 START DATE 2/20/2014 ELEVATION: <br /> consultants Phone: (510)836-3034 FINISH DATE 2/24/2014 GROUND SURF. 7.25 ft <br /> Fax: (510)836-3036 LOCATION 800 W Church St,Stockton TOP OF MONUMENT6.75 ft <br /> PROJECT Dopaco DATUM NAVD88 <br /> WELL B GS FORM: BOREHOLE LOG NUMBER WR1194 WATER DEPTH: ft bgs <br /> ORE GE <br /> DESCRIPTION SAMPLE <br /> 1)Unit/Formation,Mem.7)Plasticity O 0 in o n <br /> 2)Soil/Rock Name 8)Density/Consistency _j O z O o COMMENTS <br /> DEPTH V J WELL COMPLETION O z w } O <br /> 3)Color 9)Structure = � H J 0- a w Z o <br /> (ft-bgs) 4)Moisture 10)Other(Mineralization, d 1 j DETAILS Q a_ >- v) > p <br /> > F O Q w 1)Rig Behavior <br /> 5)Grain Size Discoloration,Odor,etc. w w <br /> Q O w 2)Air Monitoring <br /> 6)Percentage (7 w cn m Lu <br /> (gravel,sand,fines) <br /> a <br /> -33 <br /> -34 <br /> Lean CLAY with sand(CL): dark greenish 36.1 <br /> 42 .gray(Gley 1 4/1);moist;fine sand,clay[0, 35 <br /> 85,15];medium plasticity;hard <br /> ................................................... <br /> Not logged <br /> -36 <br /> 44 <br /> -37 <br /> ------------------- <br /> Lean CLAY(CL): greenish gray(Gley 1 _38 49 <br /> 5/1);dry;fine sand,clay[0, 10,90];medium <br /> 46 plasticity;hard <br /> -39- t <br /> . ...................................................... <br /> Not logged <br /> -40 <br /> 48 <br /> -41 <br /> Sandy lean CLAY(CL): dark greenish gray 3 <br /> (Gley 1 4/1);moist;fine to medium sand, <br /> clay[0,35,651;low plasticity;firm -42 <br /> @ 50'(in shoe): turns to Well-graded <br /> 50 .SAND(SW): dark greenish gray(Gley 1 43 50 0 8:3o Stop mud rotary drilling: <br /> .4/1);wet;fine to medium sand[0,90,101 <br /> switch to hollow-stem <br /> Slough auger inside conductor <br /> -44 casing <br /> 52 <br /> -45 <br /> SANDY LEAN CLAY(CL):very dark gray <br /> (5Y 3/1);moist;fines and fine sand[0,40, Cement grout:Portland II-V 46 <br /> �60];low plasticity soft _______J <br /> SILT ML :very dark gray 5Y 3/1 ;moist; (0-53ft bgs)installed via <br /> �� rY 9 Y( ) tremie pipe. <br /> 54 fines with fine sand[0,10,90];no plasticity; 47 <br /> stiff <br /> . ...................................................... . <br /> Slough Bentonite seal:50 Ibs of _48 40 0 8:40 <br /> PEL Plug Time Release, <br /> 56 318"pellets(53-55 ft bgs). <br /> -49 <br /> N <br /> M <br /> •° Filter pack:300 Ibs of _50 <br /> w POORLY-GRADED SAND(SP):black(5Y and(s Lapis Lustre#3 <br /> z 58 2.5/2);wet;fine sand and fines[0,95,5]; sand 55-72.5 ft bgs). <br /> o loose -51 <br /> w <br /> a <br /> c� 52 <br /> o SILT ML :very dark gray(5Y 3/1);moist; <br /> so . ri .e�e1 LT I I I <br /> o CONTRACTOR: Gregg NORTHING:2167604.1 LOGGER ODR/AMS REVIEWER FM <br /> EQUIPMENT: Mobile B80/Marl M11 EASTING: 6329973.9 NOTES: Mud rotary 0-50ft while driving conductor casing; <br /> w DRILL MTHD: Mud Rotary/HSA COORDINATE SYSTEM: hollow-stem auger drilling 50-80ft <br /> °m HAMMER TYPE: NAD83 <br /> W BOREHOLE DIAMETER: (10"conductor)/8.75" SEE KEY SHEET FOR SYMBOLS AND ABBREVIATIONS <br />