|
George's Service Project Name Page ___1__ of 1 Borehole No. MW-8
<br />425.2 Project No, Date 4/30/97 Contractor V&W Drilling
<br />Field Geo/Eng M. Niemi Drilling Method Hollow Stem Auger
<br />Geotogetcat TechnIcs Inc.
<br />0./.0
<br />-", Borehole Log ., ,,/,,,,,,,,,,,,,,,
<br />„,,,/,',,,,,,,,,/,,/,„,','/,,,,,,,,,,,,,,
<br /> „„,„,„„„,„„„
<br />Area & County Corner of Durham Ferry Rd. and Hwy 33/ San Joaquin Co.
<br />Borehole Dla
<br />Filter Pack
<br />8” Tot, Depth
<br />Annular
<br />22' Tot, Casing Depth 22' Casing Dla 2" Screened Interval 22'-7'
<br />22'-6' Seal 6'-4' Slot Size 0.020" Grout 4'-0' Water Depth +/-7'
<br />at,
<br />>
<br />A 1Z
<br />a) 'C)
<br />3
<br />VI.ci
<br />)rml
<br />C 0
<br />30 D C./)
<br />Description
<br />Remarks
<br />OVM (ppm)
<br />_
<br />_
<br />_
<br />_
<br />_ 1124
<br />7
<br />io
<br />13 :::::)===
<br />CL CLAY—gray green, plastic, rust staining.
<br />-
<br />-
<br />-
<br />::-
<br />=-
<br />-,."•••••
<br />— 1130 4
<br />6
<br />7
<br />-
<br />= sw SAND—fine to coarse grained, possrly
<br />sorted, wet.
<br />0
<br />—
<br />—
<br />_.... ---
<br />_ 1136 7f-;.'iii- :=:=:— SM
<br />ML
<br />SILTY SAND—(2.5Y6/4), fine to medium
<br />grained, 15-15.5'.
<br />SILT—(2.5Y6/4), slightly plastic,
<br />15.5-16.5'.
<br />_
<br />—
<br /> ...: —.... —... ----::: —..
<br />'."...
<br />_ 1141
<br />a
<br />8 -. -..^.....
<br />S SILTY SAND—(2.5Y6/4), fine grained.
<br />Heaving material at 22' kept filling
<br />augers.
<br />_
<br />—
<br />—
<br />--
<br />—
<br />—
<br />—
<br />—
<br />Sample Submitted
<br />
<br />Notes: ° ' SAND E CLAY 0 r A Annular Seal ni Grout
<br />to Laboratory LEij SILT
<br />0
<br />5
<br />10
<br />15
<br />20
<br />25
<br />30
|