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I ~ ' IATES INC. 11911112 Pdm AeERAWASSOCSub Q Ihd5114 951 � � LOG OF BORING MW7 PROJECT SMITH CANAL PUMPING PLANT LOCATION 2144 FONT NA AVENUE STO KTON CALIFORNIA A PROJECT NO. 62574.0002 DATE DRILLED 02/01/02 LOGGED BY JOHN SELLMAN REVIEWED BY JEANNE NOMSEY 047410 DRILLING COMPANY WOODWARD DRILLING CO.. INC* STEMDRILLER TORY SALAZAR METHOD HQLLOW M AUGER BORE HOLE DIAMETER B IN DEPTH DRILLED 26.5 FT DEPTH TO WATER : INITIAL -9.3 FT STATIC -9.3 FT CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.020 Iu TO 5 FT FILTER PACK TYPE 03 SAND INTERVAL 5 FT Tp 2s FT INTERVAL 4 FT Tp 26.5 F7 � SURFACE SEAL TYPE CEMENT GROUT INTERVAL 0 FT TO 3 FT COMMENTS: PAGE I OF-j_ WELLDEPTH PID LITHOLOGIC DETAIL FT. PPy BLOWCOUNT LOG DESCRIPTION 2 i � I 4 7.5 CL 0-6.5/10' SANDY CLAY (CL); SX COARSE, POORLY GRADED SAND: 95S FINES; 6 MW7-5-6.5 MEDIUM DRY STRENGTH; LOW TOUGHNESS; MEDIUM PLASTICITY; MEDIUM STIFF; DARK BROWN: MOIST. NO CHEMICAL ODOR NOTED; WEAK CEMENTATION: BLOCKY: ROOT FRAGMENTS PRESENT 8 \ 10MW7-10-115 20 19 OL' 6.5/10-11.5/15'ORGANIC SILT—CLAY (OL); 100% FINES; MEDIUM DRY STRENGTH; 20 LAW TOUGHNESS; LOW PLASTICITY; MEDIUM STIFF; DARK GRAY; 22 NO CHEMICAL ODOR NOTED: ORGANICS PRESENT; WET; WEAK 12 CEMENTATION; HOMOGENOUS 14 \ 77 CL 11.5/15-16.5/20-SILTY CLAY (CL); 10OX FINES; LOW DRY STRENGTH; LOW TOUGHNESS; LOW PLASTICITY; STIFF: LIGHT GRAY; SLIGHT ODOR NOTED; NO i 16 9 ORGANICS: MOIST; HOMOGENOUS c 19 \ 20 7.5 ON 16.5/20-21.5/25°ORGANIC CLAY (OH); 100% FINES; MEDIUM DRY STRENGTH; MEDIUM 5 TOUGHNESS; MEDIUM PLASTICITY; STIFF. DARK GRAY; NO CHEMICAL S ODOR NOTED; WET; HOMOGENOUS 4 22— .-24- - 9 12 SW 21.5/25-26.5' WELL GRADED SAND (SW); 95% COARSE TO FINE. WELL GRADED SAND; DENSE; 5X FINES; GRAY: NO CHEMICAL ODOR NOTED; NO ORGANICS; 26 20 WET; WEAK CEMENTATION: HOMOGENOUS 28- -30- -32- -34- -36- -38— F 32 34 v 36 38 40