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PARSONS Boring/Well ID: MW-17 <br /> Project Name and Address: BP Stockton,3437 South Airport Way,Stockton CA <br /> Boring Location(at site):Frontage Road cul-de-sac,on sidewalk Project No.:442966.71000 <br /> Subcontractor and Equip.:Gregg Drilling,Marl M-11,8"hollow stem auger Logged By:Andrew Crisp <br /> Sampling Method:18"x 2"Split-spoon Monitoring Device(s):N/A <br /> Start Date&Time: 12/3/07,10 am Finish Date&Time:12/3/07,5 pm <br /> First Water:N/A Stabilized Water Level(bgs):N/A <br /> Surface Elevation:N/A Casing Top Elevation:N/A <br /> Total Well Depth(s):110'bgs Boring Diameter and Depth:8",111' <br /> Casing Diameter(s):2" Screen Interval(s):100-110'bgs <br /> Filter Pack:#2/12 Sand Boring Angle:Vertical <br /> Seal Material:Portland Type 1/II Cement 94',Bentonite Pellets 3' Permit No.:San Joaquin Co.,EHD SR#52718 <br /> T Lithologic Description <br /> n 3 E z o a U) 0 (classification,color,moisture,density,grain size/plasticity,other) <br /> E m 0 - 'U a, ° All percentages are approximate unless otherwise stated 3 U <br /> Boring in sidewalk-Cored through concrete w/18"corer ' <br /> 5 <br /> Drilled directly to 95' bgs with hollow-stem auger s <br /> ' 10 <br /> 3 .. <br /> f <br /> 1 15 <br /> 20 <br /> _ Clay balls and moisture in cuttings at 25' - <br /> 25 _ <br /> l <br /> ' 30 _ <br /> Cuttings at 35'-Lean clay(CL): -70%clay, 30%silt,trace fine sand <br /> 35 CL Yellowish-brown, moderated moisture, moderate plasticity, grains of fine mica visible <br /> 40 <br /> I <br /> 45 <br /> 50 <br /> I <br /> I <br /> 55 <br /> I _ <br /> 60 <br /> f <br /> l 65 <br /> I <br /> 70 <br /> I <br /> I <br /> - 75 <br /> 80 <br /> I _ <br /> I 85 <br /> I <br /> 90 <br /> 95 _ <br /> 70/38/27 l6" _ CL- Same as above but silt increases to 40% <br /> 1_0__0_ML _ <br /> 5/7/8 112"_ Same as above but medium sand increases to 10%at bottom of shoe <br /> l 1_05_ML _ <br /> 5/4/4 118" Silt increases to 60%-1/2"softer zone-105'bgs-+/-5%medium sand <br /> _ _1_1.0_ML _ <br /> Grout 1-94'bgs, Bentonite Pellets 94-97' bgs,#2/12 Sand 97-111' bgs <br /> _ 2" OD Schedule 40 PVC, 0.020"screen 100-110' bgs <br /> Total Depth at 111'bgs,Well Bottom at 110' bgs <br /> Page 1 of 1 <br />