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7100Pringle <br /> ESSER & MC)`/ Sheet i of 2 <br /> - MONITORINC�.a <br /> M WELL DETAIL <br /> ve,Suite 300 <br /> Walnut Creek,CA 94596 B-1/PZ-1 <br /> Client: City of Stockton Project Name: Brookside Pump Station <br /> Project Location: Brookside Road and 1-5 Project Number: 2500-29248 <br /> Drilling Contractor: Spectrum Exploration Inc. Surface Elevation(ft.): 86 <br /> Drilling Method/Rig: HSA/CME75 Total Depth(ft.): 41.5 <br /> Drillers: Tom Sheeper/Tony Young Depth to initial Water Level(ft.bgs): 20 <br /> Drilling Date: Start: 4/13/01 End: 4/13/01 Development Method: Surge Block, Pump <br /> Borehole Coordinates: Field Screening Instrument: PID <br /> N E Logged By: HS Young <br /> Development Date: Start 4/13/01 End 4/17/01 Top of Riser Elevation(ft.): na <br /> C <br /> Q1 E �^ Q Q1 N E.2 U <br /> a Q Sample y Ea w� n m R c Material a o Depth Well Construction <br /> Number ca m c°i - Description (ft.) Detail <br /> LL <br /> AC <br /> 86.0 Ground Surface <br /> CL ASPHALT 0LNiN <br /> Well Completion <br /> 1 1. 6/6 ILL CLAY,yellowish brown 10YR5/4 , / 8-inch diameter, <br /> Y ( ) flush mount,traffic 84.0 <br /> moist,soft,trace gravel rated well box 2.0 <br /> 8-inch diameter <br /> borehole <br /> i 81.0 <br /> 2 CL CLAY,dark grayish brown(10YR412), / 5 Hole Plug 318-inch <br /> SS B1-5 2 18118 wet,very soft,medium plasticity,low '� bentonite pellets <br /> 3 toughness,medium to high dry strength, <br /> highly disturbed,minor dark brown clay, <br /> trace coarse sand and coarse gravel Riser Pipe-2-inch <br /> (4mm) diameter SCH40 <br /> PVC,flush coupled, <br /> 76.0 22.9 feet <br /> 2 CL ALLUVIUM(Clal) %` 10 <br /> SS Bi-10 3.8 2 18118 CLAY,grayish brown(2.5YR5/2),wet, 74.7 <br /> 3 very soft,low to medium plasticity, low 11.3 <br /> toughness,mottled with reddish black / <br /> (2.5YR2.5/1)clay,relict rootlets,orange <br /> brown oxidation in fractures and patches �/ Grout-95% <br /> Portland Type -11 <br /> _ cement,5% <br /> 1 CL CLAY with SAND,gray_ ish brown_ _ 15 bentonite powder <br /> SS B1-15 3.6 2 18/18 (2.5YR5/2),wet,very soft,fine grained <br /> 3 sand,minor(10%)clay,dark brown <br /> (10YR3/1),rootlets,trace gravel to <br /> c� <br /> 3 m m <br /> IL <br /> i <br /> o Groundwater encountered at 20 feet ' / 67 0 <br /> �+ during drilling ii`r 66.0 19.0 <br /> 0 <br /> EXPLANATION OF ABBREVIATIONS REMARKS <br /> 'a <br /> Y DRILLING METHODS: SAM PLING TYPES: Boring coordinates: 37-58-46,121-20-32(latitude and longitude <br /> 0 HSA - Hollow Stem Auger AS - Auger/Grab Sample degrees-minutes-seconds) <br /> SSA - Solid Stem Auger CS - California Sampler <br /> C3 HA - Hand Auger BX - 1.5"Rock Core Sewage like odor noted during auger removal. <br /> AR - Air Rotary NX - 2.1"Rack Core Reviewed b MG Gra Date: 4/13/01 <br /> LU DTR - Dual Tube Rotary GP - Geoprobe y' y <br /> FR - Foam Rotary HP - Hydro Punch <br /> O MR - Mud Rotary SS - Split Spoon <br /> Z- RC - Reverse Circulation ST - Shelby Tube <br /> ¢O CT - Cable Too} WS - Wash Sample <br /> r- JET - Jetting OTHER: <br /> 0 D - Driving AGS - Above Ground Figure 3: Boring log and construction details of B-1/PZ-1. <br /> 2 OTC - Drill Through Casing Surface <br />