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ArC
<br /> ASSOCIATES INC.
<br /> 1250�**"m�W*9M LOG OF WELL MW3
<br /> PROJECT STOCXTON FIRE STATION #3 LOCATION 1116 FIRST STREET, STCCXTON, CALIFORNIA PROJECT NO. 62574.0005
<br /> \� DATE DRILLED 03/16/99 LOGGED BY-TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410
<br /> DRILLING COMPANY Y&W DRILLING DRILLER RICK BARRAGAN
<br /> METHOD HOLLOW STEM AUGER
<br /> BORE HOLE DIAMETER a IN DEPTH DRILLED 50 FT DEPTH TO WATER : INITIAL 36 FT STATIC FT
<br /> CASING TYPE FVC DIAMETER 2 IN SCHEDULE 4D
<br /> SCREEN TYPE _PVC INTERVAL a FT TO so FT
<br /> DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 30 FT
<br /> TO
<br /> FILTER PACK TYPE RMC LONESTAR No. 3 50 Fr
<br /> INTERVAL 25 FT TO
<br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE 50 FT
<br /> .r INTERVAL 0 FT TO za Er
<br /> COMMENTS:
<br /> PAGE I OF—.L—
<br /> ELL
<br /> F?ELL DEPTH OVASAMPLE 10 LITHOLOGIC
<br /> DETAIL FT.) (PPM)
<br /> PPM RLOWCOUNT LOG DESCRIPTION
<br /> ASPHALT
<br /> 2
<br /> LEAN CLAY WITH SAND (CL): 20% FINE, POORLY GRADED SAND:
<br /> CL BOX FINES; LOW-MEDIUM DRY STRENGTH, NONE-SLOW DILATANCY,
<br /> 4 LOW-MEDIUM TOUGHNESS. LOW-MEDIUM PLASTICITY, MOOERATE
<br /> YELLOW BROWN, NO PRODUCT ODOR. NO ORGANICS, DRY. WEAK
<br /> CEMENTATION. HOMOGENOUS
<br /> 17
<br /> �+ g 21
<br /> 32
<br /> 8
<br /> 10
<br /> 37 SM 6.5/10-11.5/15' SILTY SAND (SM): 70X FINE-MEDIUM. POORLY GRADED SAND; 3OX
<br /> 32 FINES; MODERATE YELLOW BROWN, NONE-SLIGHT PRODUCT ODOR,
<br /> 12
<br /> NO ORGANICS, DRY. WEAK CEMENTATION. HOMOGENOUS
<br /> 14
<br /> 16 23 27 ML 11.5/15-16.5/20' SILT (ML): <15X FINE. POORLY GRADED SAND; >85X FINES;
<br /> 42 NONE-LOW DRY STRENGTH, SLOW DILATANCY, LOW TOUGHNESS,
<br /> NONE-LOW PLASTICITY, MODERATE YELLOW BROWN. NO PRODUCT
<br /> r ODOR, NO ORGANICS, DRY-MOIST. WEAK CEMENTATION,
<br /> 18 HOMOGENOUS
<br /> 20 16.5/20-21' LEAN CLAY WITH SAND (CL): <15X FINE, POORLY GRADED SAND;
<br /> 2-5 37 CL >85X FINES; NONE-SLOW DILATANCY, LOW-MEDIUM TOUGHNESS,
<br /> 29 LOW-MEDIUM PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> 48 ODOR, NO ORGANICS, DRY-MOIST, WEAK CEMENTATION,
<br /> 22— SP HOMOGENOUS
<br /> 21-21.5/25' POORLY GRACED SAND (SP): >95% FINE-MEDIUM, POORLY
<br /> GRADED SAND; <5X FINES; MODERATE YELLOW BROWN, NO
<br /> 24 PRODUCT ODOR, NO ORGANICS. DRY-MOIST. WEAK CEMENTATION.
<br /> CL HOMOGENOUS
<br /> 23 27 21.5/25-25.5' LEAN CLAY (CL): <15% FINE SAND: >115% FINES: MEDIUM DRY
<br /> 26 50 STRENGTH, NONE-SLOW DILATANCY. MEDIUM TOUGHNESS, LOW-
<br /> MEDIUM PLASTICITY. MODERATE YELLOW BROWN, NO PRODUCT
<br /> ODOR, NO ORGANICS, DRY-MOIST. WEAK CEMENTATION,
<br /> HOMOGENOUS
<br /> 28 SP
<br /> t' 25.5-31' POORLY GRADED SAND (SP): >95X FINE-MEDIUM, POORLY GRADED
<br /> a:
<br /> • � SAND; <5% FINES; MODERATE YELLOW BROWN, NO PRODUCT
<br /> :
<br /> ODOR. NO ORGANICS, DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> _30- 3.0 15
<br /> 14
<br /> 32 CL
<br /> 1� 31-31.5/35' LEAN CLAY TO FAT CLAY (CL): <5% FINE. POORLY GRACED SAND;
<br /> >95X FINES; MEDIUM-HIGH DRY STRENGTH, NO DILATANCY,
<br /> MEDIUM-HIGH TOUGHNESS, LOW-MEDIUM PLASTICITY. PALE
<br /> �y FS-MW3-38.5 YELLOW BROWN, NO PRODUCT ODOR. NO ORGANICS, CRY-MOIST,
<br /> 2.5 b WEAK CEMENTATION, HOMOGENOUS
<br /> 36 10
<br /> 12
<br /> M CL
<br /> _38-
<br /> 40
<br />
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