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<br />•. DIST COUNT
<br />Y .1 TOTAL ..,, . ... • ,
<br />SHEET
<br />POST MILES TOTAL
<br />PROJECT NO SHEETS
<br />C)
<br />{r
<br />Z
<br />p
<br />� B-3
<br />v
<br />n
<br />--A
<br />Bridge TO 1-580 PATTERSON PASS RD.
<br />B_4 TO 1-205 �-
<br />Ultimate �---� B 2 - 0
<br />56+00
<br />256 (Feet) B-1 3.5-
<br />tz Baserock
<br />2 CLAY, dark brawn and grey, mottled, stiff,
<br />some sand (fine- to coarse grained) (CH)
<br />1 1.2 1 13 1 2.5 / 28A (tan -grey, trace sand (tine- to
<br />coarse-grairsed))
<br />1 14 1 2.5 (grading some sand (fine- to
<br />coarse -grained), trace silt) (FILL)
<br />4 0 1 18 1 2.5 96 1 26 1 CLAY, tan -grey, stiff, some sand (fine- to
<br />coarse -grained), trace silt
<br />(tight grey -tan, grading trace sand
<br />1 22 12.5 A (dark brown)
<br />f•- SAND,tan, slightly compact, fine- to
<br />W 1 = medium -grained, silty (SM)
<br />2 3 0 ,1 1 ,.4
<br />W O/T,
<br />SILT, tan, stiff, trace day, (ML)
<br />CLAY, tan, stiff, with sand (fine- to
<br />z j29 1 2.5 medium -grained) (CL)
<br />SAND, tan and grey, slightly compact, fine-
<br />. / to medium-grafned, trace silt (SP)
<br />O 220 / GAY, tan, very stiff, trace sand
<br />(fine-grained) (CL)
<br />Q 1 52 1 2.5 % (grades hard)
<br />W
<br />W 210
<br />1 50/6 1 2.5
<br />August 14, 1990
<br />200
<br />190
<br />LEGEND
<br />©-
<br />Consolidation
<br />(S -
<br />Direct Shear
<br />Triaxial Compression
<br />a -
<br />Expansion
<br />©-
<br />Gradation
<br />a -
<br />Atterberg Limit
<br />57+00
<br />PLAN
<br />SCALE: 1" = 20'
<br />256 (Feet) B-2 [Fill
<br />,' Asptsaft C'.cxsa ete
<br />CLAY, brawn, stiff, some sand (fine- to
<br />coarse grained), some sit, trace gravel
<br />1 1.0 1 13 1 2.5 97 1 191 (fine' -grained) (CL)
<br />(grey)
<br />(grading brown)
<br />1 52 12.5 (FILL)
<br />• SAND, brawn, compact, fine- to
<br />medium -grained, some silt, some Gay,
<br />1 50 1 2.5 ' K trace gravel (fine-grained) (SM)
<br />�\ SILT, dark brawn, very stiff, some sand
<br />(fine- to medium rained), some day (ML)
<br />1 0.3 1 15 1 2.5 �\ 90 1 21 1
<br />\� (gaming tan)
<br />1 0.3 1 31 1 2.5 \\\ 92 1 221
<br />\\ Q
<br />\. (grading sandy, fine- to medium -grained)
<br />j \.
<br />GAY, tan, stiff, some sift, with sand (fine-
<br />1 1.4 1 28 1 2.5 / 1071 211 to medium -grained) (CL)
<br />1 87 1 2.5 / (grading harm
<br />l 50/5 12.5 f
<br />J
<br />August 14, 1
<br />2.
<br />58+00
<br />250
<br />248 (Feet) B-3 FRI
<br />j CLAY, brown -grey, soft, some sift, some
<br />sand (fine- to coarse -grained), trace grave!
<br />240 1!. 6 I 14 I � (fine-grained) (CL)
<br />/ (grading stiff)
<br />1 24 1 2.5
<br />17. 5 104 1 22 1 1 52 12.50 /
<br />230 /, (black, very stiff, grading silty, trace sand
<br />j(fine- to medium -grained))
<br /># 65 1 2.5 SILT, brown, very stiff, some day, some
<br />\\� sand (fine- to medium -grained) (ML)
<br />1 0.3 1 25 1 2.5 \� 87 130 I (grading stiff, thin lens sand (fine- to
<br />220 medium -grained))
<br />j 7CLAY, brown, hard, some silt, some sand
<br />(fine- to medium -grained) (CL)
<br />210 i 50/5 12.5
<br />8o 2.5
<br />40 1 1.4 /
<br />200
<br />I
<br />77 1 2.5 j
<br />(grading stiff, sandy (fuse- to
<br />190 / coarse -grained), trace sift)
<br />1 28 1 1.4
<br />(grading hard, trace sand (fuse- to
<br />180 medium -grained))
<br />August 14, 1990
<br />GEOTECHNICAL P E ZONAL
<br />7-eo--9/
<br />PLANS APPROVAL DATE
<br />59 - 00
<br />248 (Feet) B-4 3.5'
<br />\` SAND, tan, loose, fine- to medium -grained,
<br />clayey, trace sift (SC)
<br />7 1 2.5, SAND, tan, very loose, fine- to
<br />Z.
<br />medium -grained, silty, trace clay (SM)
<br />CLAY, tan, stiff, silty, trace sand (fine- to
<br />11.3 1.3 1 17 1 2.5 / 99 1 241 medium -grained) (CL)
<br />1 19 1 2.5 (dark brown, grading trace silt, trace sand)
<br />I 14 12.5 � (tan, grading no sand)
<br />(grading sandy (fine- to medium' -grained))
<br />SILT, tan, stiff, sandy (fine-grained), trace
<br />1 1.7 1 26 1 2.5 94 1 281 clay (ML)
<br />(T Ions sand (fine-grained), silty)
<br />SAND, tan and re con fine- to
<br />1 28 1 1.4 grey, pact,
<br />medium -grained, trace silt (SP)
<br />j LIAY, tan, very stiff, trace sand (fine- to
<br />medium -grained), trace silt (CL)
<br />1 26 1 1.4
<br />(grey, grading hard, silty, no sand)
<br />1 49 1 1.4 f
<br />SANU, tan, Cerise, tune- to
<br />August 14, 1990 rnediurn-grained. clayey, trace slIt (SC)
<br />R.0 . BAJZ1 11I
<br />N0. -GE 112
<br />sf EXP.17-Q
<br />of C A�
<br />250
<br />MH
<br />230
<br />220
<br />210
<br />200
<br />190
<br />180 -
<br />W
<br />LL
<br />Z
<br />O
<br />_J
<br />W
<br />STATE NO. 29C-033L
<br />I
<br />I
<br />Ls� M-7
<br />RVSD DATE DESCRIPTION BY APPD
<br />CORPORATION
<br />WALNUT
<br />CREEK,
<br />CALIFORNIA ,..
<br />PATTERSON PASS RD. BRIDGE 2
<br />LOG, OF TEST BORINGS
<br />SCALE A S NO- ed Sl1BMIT EO DATE 7- 25 „91
<br />DESIGNED L. G, DRAWING NO. ,
<br />DRAWN W. W. APPROVED ` B 4 -13
<br />7
<br />CHECKED -. J ,
<br />C
<br />
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