Amazon Web Services - Appendix B, Part 04B.13, Final...

Figure B-5.7

Figure B-5.8

Preliminary Geotechnical and Environmental Report

Appendix C – Hydrogeologic Investigation

W E S T S I D E S U B W A Y E X T E N S I O N P R O J E C T December 7, 2011

APPENDIX C HYDROGEOLOGIC INVESTIGATION




FIGURES C-1.1A THROUGH C-1.3D LOGS OF BORINGS (PE PHASE)

ELEV

ATI

ON

(ft)

305

300

295

290

285

280

275

270

15.3

11.0

12.4

20.5

25.3

16.9

40

17

48

70

CL

SC

SM

SM

CL

CL

SM

SC

push

8

3

6

109

-

119

-

98

102

19

8

8

3½-inch thick Asphaltic Concrete over 2-inch thick BaseCourseQUATERNARY YOUNGER ALLUVIUM [Qal]GRAVELLY LEAN CLAY - moist, brown, trace roots

CLAYEY SAND with GRAVEL - very loose, moist, brown,fine-grained, trace fine to coarse gravel

SILTY SAND with GRAVEL - medium dense, moist, brown,fine to coarse-grained, gravel (up to ½ inch in size)

SILTY SAND - loose, moist, brown, fine-grained, tracecoarse gravel

LEAN CLAY with GRAVEL - medium stiff, moist, brown,trace fine sand, coarse gravel

LEAN CLAY with SAND - soft, moist, brown, fine sand,trace coarse gravel

Becomes medium stiff

QUATERNARY OLDER ALLUVIUM [Qalo]SILTY SAND - loose, moist, brown, fine sand, trace coarsegravel

CLAYEY SAND - medium dense, moist, brown, fine tocoarse-grained, trace fine to coarse gravel

SAM

PLE

LOC

.

Sta 811+70, Rt 25 feetHOLE DIAMETER4-7/8 inches

GROUND EL.

MO

ISTU

RE

CO

NTE

NT

(% o

f dry

wt.)

PER

CEN

T PA

SSIN

GN

o. 2

00 S

IEV

E

DO

WN

HO

LE T

ESTS

OV

A (p

pm)*

*

BLO

W C

OU

NT*

(blo

ws/

ft)

DR

Y D

ENSI

TY(p

cf)

"N" V

ALU

EST

D.P

EN.T

EST

C & L Drilling / Mayhew 1000DRILLING METHODRotary WashDATES DRILLED5/27/2011 and 5/28/2011GROUND-WATER READINGSTwo monitoring wells installed on 5/28/2011; ground-water level measured at adepth of 47 feet on 7/1/2011. See last page of this boring for details.

BOREHOLE LOCATION

DRILLING COMPANY/DRILLING EQUIPMENT

308 feet

OB-105

LOG OF BORING

BORING NO.LA

MET

RO

PB

-TU

NN

EL Z

ON

E S

:\701

31 G

EOTE

CH

\GIN

TW\L

IBR

AR

Y M

AC

TEC

JUN

E201

1.G

LBC

:\DO

CU

MEN

TS A

ND

SET

TIN

GS\

HPP

ON

NA

BO

YIN

A\D

ESK

TOP\

G1.

GPJ

10/

3/11

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

AN

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N. L

ATI

TUD

E A

ND

LO

NG

ITU

DE

OF

BO

RIN

G L

OC

ATI

ON

SH

OW

N O

N L

OG

S A

RE

APP

RO

XIM

ATE

.SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

OTH

ER L

OC

ATI

ON

S A

ND

AT

OTH

ER T

IMES

MA

Y D

IFFE

R.

INTE

RFA

CES

BET

WEE

N S

TRA

TA A

RE

APP

RO

XIM

ATE

. TR

AN

SITI

ON

S B

ETW

EEN

STR

ATA

MA

Y B

E G

RA

DU

AL.

Field Tech: MHPrepared/Date: YN 8/22/2011Checked/Date: LT/HP/PE 9/13/11

Project No.: 4953-10-1561

(CONTINUED ON FOLLOWING FIGURE)

Figure: C-1.1aMTA Westside Subway Extension

Los Angeles, California

PMT

Wes

twoo

d/ U

CL

A S

tatio

n

ELEV

ATI

ON

(ft)

265

260

255

250

245

240

235

230

19.4

17.1

11.4

10.3

23.2

15.1

26.4

19.1

13

84

SM

SW-SM

SM

CL

CL

CL

CL

9

20

21

30

-

98

-

118

-

117

-

108

23

27

40

54

SILTY SAND - loose, moist, brown, fine to medium-grained

WELL GRADED SAND with SILT - medium dense, moist,brown, fine to medium-grained, trace fine to coarse gravel

SILTY SAND with GRAVEL - medium dense, moist, brown,fine-grained

LEAN CLAY - hard, moist, brown

SANDY LEAN CLAY - very stiff, moist, brown, fine sand

LEAN CLAY with SAND - hard, moist, brown

SAN PEDRO FORMATION [Qsp]LEAN CLAY with SAND - hard, moist, brown

SAM

PLE

LOC

.


GROUND EL.

MO

ISTU

RE

CO

NTE

NT

(% o

f dry

wt.)

PER

CEN

T PA

SSIN

GN

o. 2

00 S

IEV

E

DO

WN

HO

LE T

ESTS

OV

A (p

pm)*

*

BLO

W C

OU

NT*

(blo

ws/

ft)

DR

Y D

ENSI

TY(p

cf)

"N" V

ALU

EST

D.P

EN.T

EST


BOREHOLE LOCATION


308 feet

OB-105(Continued)

LOG OF BORING

BORING NO.LA

MET

RO

PB

-TU

NN

EL Z

ON

E S

:\701

31 G

EOTE

CH

\GIN

TW\L

IBR

AR

Y M

AC

TEC

JUN

E201

1.G

LBC

:\DO

CU

MEN

TS A

ND

SET

TIN

GS\

HPP

ON

NA

BO

YIN

A\D

ESK

TOP\

G1.

GPJ

10/

3/11

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

AN

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N. L

ATI

TUD

E A

ND

LO

NG

ITU

DE

OF

BO

RIN

G L

OC

ATI

ON

SH

OW

N O

N L

OG

S A

RE

APP

RO

XIM

ATE

.SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

OTH

ER L

OC

ATI

ON

S A

ND

AT

OTH

ER T

IMES

MA

Y D

IFFE

R.

INTE

RFA

CES

BET

WEE

N S

TRA

TA A

RE

APP

RO

XIM

ATE

. TR

AN

SITI

ON

S B

ETW

EEN

STR

ATA

MA

Y B

E G

RA

DU

AL.


Project No.: 4953-10-1561


Figure: C-1.1bMTA Westside Subway Extension


PMT

Wes

twoo

d/ U

CL

A S

tatio

n

ELEV

ATI

ON

(ft)

225

220

215

210

205

200

195

190

25.8

27.5

17.8

23.4

34.4

21.3

19.8

18.5

73

37

14

SC

CL

SM

SW

20

18

24

32

-

92

-

99

-

-

-

113

45

60

32

94

Becomes stiff

CLAYEY SAND - very dense, moist, brown, fine tomedium-grained

SANDY CLAY - very stiff, moist, brown, fine sand

Becomes hard

SILTY SAND - medium dense, wet, greenish-gray,fine-grained

(Disturbed sample recovered)

Becomes very dense, yellowish brown

Becomes dense, reddish brown

SAM

PLE

LOC

.


GROUND EL.

MO

ISTU

RE

CO

NTE

NT

(% o

f dry

wt.)

PER

CEN

T PA

SSIN

GN

o. 2

00 S

IEV

E

DO

WN

HO

LE T

ESTS

OV

A (p

pm)*

*

BLO

W C

OU

NT*

(blo

ws/

ft)

DR

Y D

ENSI

TY(p

cf)

"N" V

ALU

EST

D.P

EN.T

EST


BOREHOLE LOCATION


308 feet

OB-105(Continued)

LOG OF BORING

BORING NO.LA

MET

RO

PB

-TU

NN

EL Z

ON

E S

:\701

31 G

EOTE

CH

\GIN

TW\L

IBR

AR

Y M

AC

TEC

JUN

E201

1.G

LBC

:\DO

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MEN

TS A

ND

SET

TIN

GS\

HPP

ON

NA

BO

YIN

A\D

ESK

TOP\

G1.

GPJ

10/

3/11

DEP

TH (f

t)

85

90

95

100

105

110

115

120

THIS

REC

OR

D IS

AN

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N. L

ATI

TUD

E A

ND

LO

NG

ITU

DE

OF

BO

RIN

G L

OC

ATI

ON

SH

OW

N O

N L

OG

S A

RE

APP

RO

XIM

ATE

.SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

OTH

ER L

OC

ATI

ON

S A

ND

AT

OTH

ER T

IMES

MA

Y D

IFFE

R.

INTE

RFA

CES

BET

WEE

N S

TRA

TA A

RE

APP

RO

XIM

ATE

. TR

AN

SITI

ON

S B

ETW

EEN

STR

ATA

MA

Y B

E G

RA

DU

AL.


Project No.: 4953-10-1561


Figure: C-1.1cMTA Westside Subway Extension


ELEV

ATI

ON

(ft)

185

180

175

170

165

160

155

150

12.2 -50/5"WELL GRADED SAND with GRAVEL - very dense, wet ,yellow brownEND OF BORING AT 121 FEET

NOTES:

Hand augered upper 5 feet to avoid damage to utilities.

Two monitoring wells installed in the borehole on 5/28/2011;Groundwater level measured in the deeper well at a depth of47 feet below the ground surface on 7/1/2011. Shallower wellwas dry.

Borehole grouted with cement bentonite slurry andpatched with asphalt concrete.

"N" Value Standard Penetration Test: Number of blowsrequired to drive the SPT sampler 18 inches using a 140poundautomatic hammer falling 30 inches.

*Number of blows required to drive the Crandall Sampler12 inches using a 380 pound hammer falling 18 inches.

**Photo Ionization Detector used for OVA readings.

PMT - Pressuremeter test

SAM

PLE

LOC

.


GROUND EL.

MO

ISTU

RE

CO

NTE

NT

(% o

f dry

wt.)

PER

CEN

T PA

SSIN

GN

o. 2

00 S

IEV

E

DO

WN

HO

LE T

ESTS

OV

A (p

pm)*

*

BLO

W C

OU

NT*

(blo

ws/

ft)

DR

Y D

ENSI

TY(p

cf)

"N" V

ALU

EST

D.P

EN.T

EST


BOREHOLE LOCATION


308 feet

OB-105(Continued)

LOG OF BORING

BORING NO.LA

MET

RO

PB

-TU

NN

EL Z

ON

E S

:\701

31 G

EOTE

CH

\GIN

TW\L

IBR

AR

Y M

AC

TEC

JUN

E201

1.G

LBC

:\DO

CU

MEN

TS A

ND

SET

TIN

GS\

HPP

ON

NA

BO

YIN

A\D

ESK

TOP\

G1.

GPJ

10/

3/11

DEP

TH (f

t)

125

130

135

140

145

150

155

160

THIS

REC

OR

D IS

AN

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N. L

ATI

TUD

E A

ND

LO

NG

ITU

DE

OF

BO

RIN

G L

OC

ATI

ON

SH

OW

N O

N L

OG

S A

RE

APP

RO

XIM

ATE

.SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

OTH

ER L

OC

ATI

ON

S A

ND

AT

OTH

ER T

IMES

MA

Y D

IFFE

R.

INTE

RFA

CES

BET

WEE

N S

TRA

TA A

RE

APP

RO

XIM

ATE

. TR

AN

SITI

ON

S B

ETW

EEN

STR

ATA

MA

Y B

E G

RA

DU

AL.


Project No.: 4953-10-1561 Figure: C-1.1dMTA Westside Subway Extension


ML

SPML-CL

SPML-CL

ML

12

16

0.3 feet of asphaltSILT (ml) - dark brown, moist, some clay, no odor

FILLSILTY GRAVELY SAND (sp) - dark brown, moist, gravel up to2-inches in diameterRefusal at 6 feet, moved boring 4 feet to the southwest

NATIVECLAYEY SILT (ml-cl) - dark brown, moist

SILT (ml) - dark olive brown, moist, trace of clayGRAVELY SAND (sp) - brown, shale fragments up to 1-inch indiameterCLAYEY SILT (ml-cl) - dark olive brown, medium stiff, very moist

See S-114 for complete lithology from 21 to 40 feet

SANDY SILT (ml) - dark brown, very stiff, slightly moist, fine sand

MO

ISTU

RE

(% o

f dry

wt.)

"N"

VA

LUE

STD

.PEN

.TES

T

DR

Y D

ENSI

TY(p

cf)

BLO

W C

OU

NT*

(blo

ws/

ft)

LOG OF BORING

SAM

PLE

LOC

.

June 3, 2011CME-75 - Hollow Stem Auger8-in

BORING OB-106

DATE DRILLED:EQUIPMENT USED:HOLE DIAMETER (in.):ELEVATION: **EL

EVA

TIO

N (f

t)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

45

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4953-10-1561

Field Tech: PKPrepared By: KPChecked By:

MTA Westside ExtensionLos Angeles, California

B2S

OIL

_MA

CTE

C_R

EV1

(ELE

VA

TIO

N)

P:\M

AC

TEC

\MTA

WES

TSID

E EX

TEN

SIO

N\B

OR

ING

LO

GS\

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T D

B &

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TE\L

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:\DO

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TSID

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ENO

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6/2

9/11

Figure C-1.2a

ML26 SILT (ml) - (10YR, 4/3) brown, very stiff, moist, some clay, trace offine sand, no odor, wet sluff at top of sampler

NOTES:

Total Depth = 69 feet bgsHand augered to 5 feet bgsSPT samples taken at 20, 40, and 60 feet bgs

Well Construction DetailsBentonite cement grout to approximately 1.5 feetMedium bentonite chips to 41 feet0.01-inch perforated screen from 48 to 68 feetMonterey #3 sand from 46 to 69 feet

MO

ISTU

RE

(% o

f dry

wt.)

"N"

VA

LUE

STD

.PEN

.TES

T

DR

Y D

ENSI

TY(p

cf)

BLO

W C

OU

NT*

(blo

ws/

ft)

LOG OF BORING

SAM

PLE

LOC

.

June 3, 2011CME-75 - Hollow Stem Auger8-in

BORING OB-106 (Continued)

DATE DRILLED:EQUIPMENT USED:HOLE DIAMETER (in.):ELEVATION: **EL

EVA

TIO

N (f

t)

DEP

TH (f

t)

50

55

60

65

70

75

80

85

90

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

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TE.

TRA

NSI

TIO

NS

BET

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TRA

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AY

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AD

UA

L.

Project: 4953-10-1561

Field Tech: PKPrepared By: KPChecked By:

MTA Westside ExtensionLos Angeles, California

B2S

OIL

_MA

CTE

C_R

EV1

(ELE

VA

TIO

N)

P:\M

AC

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\MTA

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TSID

E EX

TEN

SIO

N\B

OR

ING

LO

GS\

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B &

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PLA

TE\L

IBR

AR

Y M

AC

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FEB

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LB C

:\DO

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ND

SET

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6/2

9/11

Figure C-1.2b

1, 2

3

4

2½ inch thick Asphalt ConcreteQUATERNARY YOUNGER ALLUVIUM [Qal]SILT - moist, brown, trace sand and gravelSome clay

5-inch shale fragmentLayer of Sandy Silt with Gravel (up to 2 inches in size) No core recovery from 6 to 9 feet

SILTY SAND with GRAVEL - medium dense, dry to slightly moist, darkgreenish gray (10Y 4/1), fine to coarse grained, fine to coarse gravel (up to 2inches in size)

Layers of Sandy Silt, moist, very dark grayish brown, fine to coarse sand, somefine to coarse gravel

No core recovery from 14 to 15 feet

WELL GRADED SAND with SILT and GRAVEL - dry to slightly moist, darkgreenish gray (10Y 4/1), fine to coarse grained, fine to coarse gravel (up to 1½inches in size)

SILTY CLAYEY SAND - medium dense, moist, dark grayish brown (2.5Y3/2), fine grained, some medium to coarse, some fine gravel (up to ¾ inch insize), trace cobble (up to 4 inches in size), alternating layers of Sandy Silt

SILTY SAND with GRAVEL - medium dense, moist, dark greenish gray (10Y3/1), fine to coarse grained, fine to coarse gravel (up to 1½ inches in size)

Becomes yellowish-brown

No core recovery from 28 to 31 feet

QUATERNARY OLDER ALLUVIUM [Qalo]SILTY SAND with GRAVEL - medium dense, moist, dark greenish gray (10Y3/1)

Becomes brown (10YR 4/3)

SANDY SILT - very stiff to hard, moist, brown, fine sand, some fine gravel

1

2

3

75

100

55

7

47

25

ML

SM

SW-SM

SC-SMSC-SM

SM

SM

ML

3.5

5.1

3.3

15.7

4.0

6.1

LOG OF BORING

BORING NO.

RU

N #

P-103HOLE DIAMETER6 inches

GROUND EL.

BO

X #

% R

ECO

VER

Y

SAM

PLE

LOC

.

PER

CEN

T PA

SSIN

GN

o. 2

00 S

IEV

E

DRILLING COMPANY/DRILLING EQUIPMENTBoart Longyear / 600T Trusonic drill rigDRILLING METHODSonic CoringDATES DRILLED5/27/11 - 5/29/11GROUND-WATER READINGSGround-water level not measured.

BOREHOLE LOCATION813+20, Rt 25 feet

309 feet

MO

ISTU

RE

CO

NTE

NT

(% o

f dry

wt.)

Project No.: 4953-10-1561


Figure: C-1.3aMTA Westside Subway Extension


DEP

TH (f

t)

5

10

15

20

25

30

35

40

ELEV

ATI

ON

(ft)

305

300

295

290

285

280

275

270

THIS

REC

OR

D IS

AN

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N. L

ATI

TUD

E A

ND

LO

NG

ITU

DE

OF

BO

RIN

G L

OC

ATI

ON

SH

OW

N O

N L

OG

S A

RE

APP

RO

XIM

ATE

.SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

OTH

ER L

OC

ATI

ON

S A

ND

AT

OTH

ER T

IMES

MA

Y D

IFFE

R.

INTE

RFA

CES

BET

WEE

N S

TRA

TA A

RE

APP

RO

XIM

ATE

. TR

AN

SITI

ON

S B

ETW

EEN

STR

ATA

MA

Y B

E G

RA

DU

AL.

Field Tech: RS/RHPrepared/Date: YN/WL 9/30/2011Checked/Date: HP/PE 10/2/2011

MET

RO

SO

IL C

OR

E M

C 2

00 T

UN

NEL

ZO

NE

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

C:\D

OC

UM

ENTS

AN

D S

ETTI

NG

S\H

PPO

NN

AB

OY

INA

\DES

KTO

P\G

1.G

PJ 1

0/3/

11

5

6

7

8

Alternating layers of Silty Sand, moist, brown, fine to coarse-grained, fine tocoarse gravelSANDY LEAN CLAY - moist, brown, fine to medium sand, trace coarse,occasional fine gravel (up to 3/8 inch in size)

Alternating Sandy Silt, trace fine to coarse gravel

SILT with SAND - moist, brown, fine sand, trace fine gravel

Becomes dark greenish gray with brown spotsSANDY LEAN CLAY - medium stiff, moist, dark greenish gray, brown andvarying colors, fine sand, some medium to coarse, trace fine gravel (up to 3/4inch in size)SILTY CLAY with SAND - medium stiff, moist, brown and dark greenishgray, fine to coarse sand, trace gravel

Fine to coarse gravel

SANDY SILT with GRAVEL - stiff, moist, dark greenish gray, fine to coarsesand, fine to coarse gravel (up to 2 inches in size)

LAKEWOOD FORMATION [Qlw]LEAN CLAY with SAND - medium stiff to stiff, moist, brown, fine sand, tracemedium and coarse, occasional gravel (up to 3/8 inch in size)

Becomes dark brown (10YR 3/3)

FAT CLAY - very stiff, moist, dark greenish gray with brown mottling, tracefine and medium sand, trace calcium carbonate nodules

4

5

6

7

100

100

100

100

62

63

70

82

ML

CL

ML

CL

CL-ML

ML

CL

CH

12.9

23.6

25.5

27.2

18.7

21.7

18.8

9.0

18.2

19.6

20.0

23.6

LOG OF BORING

BORING NO.

(Continued)

RU

N #

P-103

HOLE DIAMETER6 inches

GROUND EL.

BO

X #

% R

ECO

VER

Y

SAM

PLE

LOC

.

PER

CEN

T PA

SSIN

GN

o. 2

00 S

IEV

E



309 feet

MO

ISTU

RE

CO

NTE

NT

(% o

f dry

wt.)

Project No.: 4953-10-1561


Figure: C-1.3bMTA Westside Subway Extension


DEP

TH (f

t)

45

50

55

60

65

70

75

80

ELEV

ATI

ON

(ft)

265

260

255

250

245

240

235

230

THIS

REC

OR

D IS

AN

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N. L

ATI

TUD

E A

ND

LO

NG

ITU

DE

OF

BO

RIN

G L

OC

ATI

ON

SH

OW

N O

N L

OG

S A

RE

APP

RO

XIM

ATE

.SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

OTH

ER L

OC

ATI

ON

S A

ND

AT

OTH

ER T

IMES

MA

Y D

IFFE

R.

INTE

RFA

CES

BET

WEE

N S

TRA

TA A

RE

APP

RO

XIM

ATE

. TR

AN

SITI

ON

S B

ETW

EEN

STR

ATA

MA

Y B

E G

RA

DU

AL.


MET

RO

SO

IL C

OR

E M

C 2

00 T

UN

NEL

ZO

NE

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

C:\D

OC

UM

ENTS

AN

D S

ETTI

NG

S\H

PPO

NN

AB

OY

INA

\DES

KTO

P\G

1.G

PJ 1

0/3/

11

Tun

nel

Tun

nel

9

10

11

12

Trace fine gravel, abundant shell fragments, trace calcium carbonate nodules

Occasional fine to medium gravel

Occasional fine gravel

Some fine to coarse sand

SANDY SILT - hard, moist, olive (5Y 5/4), trace fine gravel

Alternating with layers of Silt and Clay, moist, olive gray to dark olive graywith brown mottling, trace fine sand

Some shell fragments

Some calcium carbonate nodules

FAT CLAY - hard, moist, olive gray with some brown mottling, trace fine tocoarse sand, occasional fine gravel

SILT with SAND - hard, moist, olive gray with black and brown mottling, finesand

Some calcium carbonate nodules

FAT CLAY - hard, moist, brown to grayish green, very few brown mottling,trace fine to coarse sand, trace fine gravel (up to 3/8 inch in size)No brown mottling, few calcium carbonate nodules

SANDY LEAN CLAY with GRAVEL - stiff, moist, dark greenish gray, fine tocoarse sand, fine to coarse gravel, some calcium carbonate nodules

POORLY GRADED SAND - medium dense to dense, moist to wet, yellowishbrown (10YR 5/6), trace fine black slate gravel

8

9

10

11

100

100

100

100

92

95

92

CH

ML

CH

ML

ML

CH

CL

SP

SW

24.5

28.1

18.1

28.2

24.5

23.2

24.8

22.9

19.5

21.0

20.3

20.5

LOG OF BORING

BORING NO.

(Continued)

RU

N #

P-103


GROUND EL.

BO

X #

% R

ECO

VER

Y

SAM

PLE

LOC

.

PER

CEN

T PA

SSIN

GN

o. 2

00 S

IEV

E



309 feet

MO

ISTU

RE

CO

NTE

NT

(% o

f dry

wt.)

Project No.: 4953-10-1561


Figure: C-1.3cMTA Westside Subway Extension


DEP

TH (f

t)

85

90

95

100

105

110

115

120

ELEV

ATI

ON

(ft)

225

220

215

210

205

200

195

190

THIS

REC

OR

D IS

AN

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N. L

ATI

TUD

E A

ND

LO

NG

ITU

DE

OF

BO

RIN

G L

OC

ATI

ON

SH

OW

N O

N L

OG

S A

RE

APP

RO

XIM

ATE

.SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

OTH

ER L

OC

ATI

ON

S A

ND

AT

OTH

ER T

IMES

MA

Y D

IFFE

R.

INTE

RFA

CES

BET

WEE

N S

TRA

TA A

RE

APP

RO

XIM

ATE

. TR

AN

SITI

ON

S B

ETW

EEN

STR

ATA

MA

Y B

E G

RA

DU

AL.


MET

RO

SO

IL C

OR

E M

C 2

00 T

UN

NEL

ZO

NE

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

C:\D

OC

UM

ENTS

AN

D S

ETTI

NG

S\H

PPO

NN

AB

OY

INA

\DES

KTO

P\G

1.G

PJ 1

0/3/

11

WELL GRADED SAND - medium dense, moist, yellowish brown to darkyellowish brown, fine to coarse grained, trace fine gravelSILTY SAND with GRAVEL - dense, moist, dark greenish gray, fine to coarsegrained, fine to medium gravelEND OF BORING AT 120 FEET

NOTES:

Consistency description on this log is based on pocket penetrometer test resultsand/or visual observation of soil samples.

Hand augered upper 7 feet to avoid damage to utilities.

Borehole grouted with cement-bentonite slurry and patched with asphaltconcrete.

SM

LOG OF BORING

BORING NO.

(Continued)

RU

N #

P-103


GROUND EL.

BO

X #

% R

ECO

VER

Y

SAM

PLE

LOC

.

PER

CEN

T PA

SSIN

GN

o. 2

00 S

IEV

E



309 feet

MO

ISTU

RE

CO

NTE

NT

(% o

f dry

wt.)

Project No.: 4953-10-1561 Figure: C-1.3dMTA Westside Subway Extension


DEP

TH (f

t)

125

130

135

140

145

150

155

160

ELEV

ATI

ON

(ft)

185

180

175

170

165

160

155

150

THIS

REC

OR

D IS

AN

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N. L

ATI

TUD

E A

ND

LO

NG

ITU

DE

OF

BO

RIN

G L

OC

ATI

ON

SH

OW

N O

N L

OG

S A

RE

APP

RO

XIM

ATE

.SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

OTH

ER L

OC

ATI

ON

S A

ND

AT

OTH

ER T

IMES

MA

Y D

IFFE

R.

INTE

RFA

CES

BET

WEE

N S

TRA

TA A

RE

APP

RO

XIM

ATE

. TR

AN

SITI

ON

S B

ETW

EEN

STR

ATA

MA

Y B

E G

RA

DU

AL.


MET

RO

SO

IL C

OR

E M

C 2

00 T

UN

NEL

ZO

NE

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

C:\D

OC

UM

ENTS

AN

D S

ETTI

NG

S\H

PPO

NN

AB

OY

INA

\DES

KTO

P\G

1.G

PJ 1

0/3/

11




FIGURES C-2.1 THROUGH C-2.4 GROUNDWATER MONITORING WELL DIAGRAMS




FIGURES C-3.1 THROUGH C-3.84 NOTICE OF INTENT (NOI)

Figure C-3.1

Figure C-3.2

Figure C-3.3

Figure C-3.4

Figure C-3.5

Figure C-3.6

Figure C-3.7

Figure C-3.8

Figure C-3.9

Figure C-3.10

Figure C-3.11

Figure C-3.12

Figure C-3.13

Figure C-3.14

Figure C-3.15

Figure C-3.16

Figure C-3.17

Figure C-3.18

Figure C-3.19

Figure C-3.20

Figure C-3.21

Figure C-3.22

Figure C-3.23

Figure C-3.24

Figure C-3.25

Figure C-3.26

Figure C-3.27

Figure C-3.28

Figure C-3.29

Figure C-3.30

Figure C-3.31

Figure C-3.32

Figure C-3.33

Figure C-3.34

Figure C-3.35

Figure C-3.36

Figure C-3.37

Figure C-3.38

Figure C-3.39

Figure C-3.40

Figure C-3.41

Figure C-3.42

Figure C-3.43

Figure C-3.44

Figure C-3.45

Figure C-3.46

Figure C-3.47

Figure C-3.48

Figure C-3.49

Figure C-3.50

Figure C-3.51

Figure C-3.52

Figure C-3.53

Figure C-3.54

Figure C-3.55

Figure C-3.56

Figure C-3.57

Figure C-3.58

Figure C-3.59

Figure C-3.60

Figure C-3.61

Figure C-3.62

Figure C-3.63

Figure C-3.64

Figure C-3.65

Figure C-3.66

Figure C-3.67

Figure C-3.68

Figure C-3.69

Figure C-3.70

Figure C-3.71

Figure C-3.72

Figure C-3.73

Figure C-3.74

Figure C-3.75

Figure C-3.76

Figure C-3.77

Figure C-3.78

Figure C-3.79

Figure C-3.80

Figure C-3.81

Figure C-3.82

Figure C-3.83

Figure C-3.84




FIGURES C-4.1 THROUGH C-4.2 NATIONAL POLLUTION DISCHARGE ELIMINATION SYSTEM

(NPDES) PERMIT

Figure C-4.1

Figure C-4.2




FIGURES C-5.1 THROUGH C-5.18 CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD

PERMIT

Figure C-5.1

Figure C-5.2

Figure C-5.3

Figure C-5.4

Figure C-5.5

Figure C-5.6

Figure C-5.7

Figure C-5.8

Figure C-5.9

Figure C-5.10

Figure C-5.11

Figure C-5.12

Figure C-5.13

Figure C-5.14

Figure C-5.15

Figure C-5.16

Figure C-5.17

Figure C-5.18


Appendix D – Environmental Site Assessment


APPENDIX D ENVIRONMENTAL SITE ASSESSMENT


Appendix D – Environmental Site Assessment


FIGURES D-1.1A THROUGH D-1.31B LOGS OF BORINGS (PE PHASE)

5.0

0.0

Asphalt Concrete over Base Course

FILL [Af]CLAY / SAND - brownNATIVECLAY / SAND - brown

WELL GRADED SAND - wet, light pink brown, fine to coarse grained

(Sample not recovered)

CL/SWCL/SW

SW

SAM

PLE

LOC

.

6/21/2011Gregg CPT Direct Push Rig2

DATE DRILLED:EQUIPMENT USED:HOLE DIAMETER (in.):ELEVATION: 200.4 feet*

LOG OF BORING

BORING E-101

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561

Field Tech: DDSPrepared By: LH/YNChecked By:

Figure: D-1.1aMetro Westside Subway Extension


ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.0

2.1

2.9

2.9


CLAYEY SILT - green gray

Gray Silt

Gray Silt, green Clay

END OF BORING AT 55 FEET

NOTES:

Hand augered upper 10 feet to avoid damage to utilities.Ground-water sample collected at the shallowest depth of 43 feetbelow the ground surface.Borehole grouted with cement-bentonite slurry andpatched with quick setting concrete.

ML

ML

ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-101 (Continued)

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561


Figure: D-1.1bMetro Westside Subway Extension


ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.4

Asphalt Concrete over Base Course

SANDY SILT - greenish gray, fine to medium sand, light odor


CLAYEY SILT - stiff, moist, very dark greenish gray, fine sand

ML

ML

SAM

PLE

LOC

.


DATE DRILLED:EQUIPMENT USED:HOLE DIAMETER (in.):ELEVATION: 200 feet*

LOG OF BORING

BORING E-102

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.3

1.5

1.2

0.7

CLAYEY SILT - stiff, moist, very dark greenish gray, fine sand

CLAYEY SILT - wet, very dark greenish gray, fine to coarse sand

SILTY CLAY - stiff, moist, very dark greenish gray, fine to medium sand

SILTY CLAY - wet, very dark greenish gray, fine sandEND OF BORING AT 55 FEET

NOTES:


ML

ML

CL-ML

CL-ML

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.0

1.4

Asphalt ConcreteSAND - dark yellowish brown

SANDY CLAY - dark yellowish brown

SANDY CLAY - greenish black

SP

CL

CL

SAM

PLE

LOC

.



LOG OF BORING

BORING E-103

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.9

2.9

2.9/3.6

2.6/4.3

SANDY CLAY - moist, greenish black

SANDY CLAY - moist, greenish black

SANDY SILTY CLAY - wet, greenish black

SANDY CLAY - wet, greenish black


NOTES:


CL

CL

CL-ML

SP

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.7

1.4

4-inch thick Asphalt Concrete over 6-inch thick Base CourseCLAYEY SILT - moist, dark brown

Becomes yellowish brown, more silt

SILTY CLAY - very stiff, moist, olive brown (2.5Y,4/3), no odor

SANDY SILT - stiff, damp to wet, dark greenish gray, very fine sand, noodor

ML

CL-ML

ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-104

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561

Field Tech: PKPrepared By: LH/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

1.4

0.0

0.7

0.0

0.7

POORLY GRADED SAND - medium dense, wet, dark greenish gray(GLEY1, 4/1), fine, some medium, no odor

CLAYEY SILT - very stiff, damp, dark greenish gray (GLEY1, 4/1), noodor

SILT - very stiff, wet, dark greenish gray (GLEY1, 4/1), no odor

SILTY SAND - medium dense, wet, dark greenish gray (GLEY1, 4/1), fine

SILTY SAND - medium dense, wet, dark greenish gray (GLEY1, 4/1), fine


NOTES:


SP

ML

ML

SM

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561

Field Tech: PKPrepared By: LH/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.0

6-inch thick Asphalt Concrete over 6-inch thick Portland Cement concrete

CLAYEY SILT - moist, olive/tan, some fine sand, no hydrocarbonodor/discoloration

ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-105

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561

Field Tech: MFPrepared By: LH/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.0

0.0

0.0

0.0

SILTY SAND - moist, greenish gray, trace clay, trace gravel, nohydrocarbon odors

SILT - moist, greenish gray, trace clay, fine sand, no hydrocarbon odor

Becomes moist, greenish gray, trace clay, some gravel, slight "rotten egg"odor possible

POORLY GRADED SAND - wet, greenish gray, fine to medium sand, nohydrocarbon odor

POORLY GRADED SAND - wet, dark gray, fine to medium grained sand,no hydrocarbon odor, denseEND OF BORING AT 70 FEET

NOTES:


SM

ML

ML

SP

SP

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561

Field Tech: MFPrepared By: LH/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

6.7

Asphalt, very large at first 9 inches, broke off, wet tar between layers, tar isslowing down the coring

SANDY SILT - medium stiff, moist, dark olive brown, fine to coarse grainedsandBecomes medium stiff, moist, very dark grayish brown, fine to coarsegrained sand

Becomes medium stiff, moist, black, fine to medium grained sand

SANDY SILT - moist, olive gray, fine sand

ML

ML

SAM

PLE

LOC

.

7/18/2011Fugro CPT Direct Push Rig2


LOG OF BORING

BORING E-106

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

6.2

2.2

2.1

4.0

1.8

SANDY SILT - moist, dark bluish gray, fine sand

SANDY SILT - moist, dark bluish gray, fine grained sand

SAND - dark bluish gray, wet

SAND - wet, dark bluish gray

SANDY SILT - loose, greenish gray, fine to medium grained sand


NOTES:


ML

ML

SP

SP

ML

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

1.6

Asphalt

CLAYEY SILT - stiff, moist, black, fine to medium grained sand

SILTY CLAY - stiff, moist, dark olive brown, fine to medium grained sand

SANDY SILT - medium stiff, greenish gray, fine to medium grained sand

Becomes sandy, very stiff, dry, light yellowish brown, fine to coarse grainedsand, with rock

SANDY SILT - greenish gray, fine to medium grained

ML

CL-MLML

ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-107

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

1.4

3.6

4.0

3.7

4.0

SILTY SAND - dense, moist, dark greenish gray, fine to medium grainedsand

SILTY SAND - dense, moist, very dark greenish gray, fine grained

SILTY SAND - dense, wet, very dark greenish gray, fine grained

POORLY GRADED SAND - dark gray, wet, fine grained sand

POORLY GRADED SAND - dark gray, wet, fine grained sand


NOTES:


SM

SM

SM

SP

SP

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

1.9

2.0

1.5

1.4

1.6

1.5

SANDY SILT - with gravel, dark yellowish brown, fine to medium grainedsand

SANDY SILT - moist, olive brown, fine to medium grained sand

CLAYEY SILT - stiff, olive, fine to medium grained sand, small rocks, stiff

CLAYEY SILT - stiff, olive, fine to medium grained sand, small rocks, stiff

CLAYEY SILT - moist, olive, fine to medium grained sand

CLAYEY SILT - stiff, moist, olive fine to medium sand, trace gravel

ML

ML

ML

ML

ML

ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-108

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

1.3

1.0

1.4

CLAYEY SILT - stiff, moist, dark olive brown, fine to medium sand

CLAYEY SILT - stiff, olive, fine to medium grained sand, small rocks, moist

Becomes very stiff, dark greenish gray




SAND - wet, loose, greenish gray, fine to medium grained sand


NOTES:


ML

ML

ML

SP

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.1

0.0

0.0

0.0

0.0

8-inch thick Asphalt ConcreteSILTY CLAY - moist, very dark brown (grayish brown)

Becomes brown (10YR, 5/3)


POORLY GRADED SAND to CLAYEY SAND - moist, light olive brown(2.5Y 5/3), fine grained

SILTY CLAY - dark greenish gray (GLEY1 4/5 GY), moist to very moist,small caliche nodules in sample bag (approximately 1 cm in diameter), Terracore samples taken at this depth

SILTY CLAY - moist, light olive brown (2.5Y 5/3), small caliche nodules

SILTY CLAY - moist, light olive brown, (2.5Y 5/3), small caliche nodules(up to 1 cm in diameter)

SILTY CLAY - light olive brown (2.5Y 5/3), very moist, small calichenodules in sample (up to 1 cm in diameter)

CL-ML

SP/SC

CL-ML

CL-ML

CL-ML

CL-ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-109

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561

Field Tech: RMPrepared By: LH/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.0

0.0

CLAYEY SILTY SAND - very dark greenish gray, (GLEY1 3/10GY), verymoist, sand is fine grained, terra core sample taken at this depth

CLAYEY SILT - very dark greenish gray, (GLEY1 3/10GY), very moist,micaceous

POORLY GRADED SAND - dark greenish gray (GLEY1 4/10GY),saturated sand zone, very wet, fine grained

POORLY GRADED SAND - wet, very dark greenish gray (GLEY1 3/5GY), fine grained, last 2 inches of sample is more cemented sand (notsaturated), smelled of rotten eggs at this depth, not registering on meter forH2S, Terra Core sample taken at this depthEND OF BORING AT 75 FEET

NOTES:

Hand augered upper 5 feet to avoid damage to utilities.Ground-water sample collected at the shallowest depth of 30 feet

SM

ML

SP

SP

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

below the ground surface.Borehole grouted with cement-bentonite slurry andpatched with quick setting concrete.

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

85

90

95

100

105

110

115

120

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561


Figure: D-1.9cMetro Westside Subway Extension


ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

1.0

0.7

0.8

0.8

0.3

4.4

SANDY SILT - medium stiff, brown, fine to medium grained sand

CLAYEY SILT - firm, greenish gray, light bluish gray, fine grained sand

CLAYEY SILT - firm, olive brown, fine to medium grained sand

CLAYEY SILT - light gray, fine to medium grained sand

CLAYEY SILT - wet, greenish gray to brown, fine to medium grained sand

Becomes greenish gray, brown, fine to coarse grained sand

ML

ML

ML

ML

ML

ML

SAM

PLE

LOC

.

7/26/2011 and 7/27/2011Kehoe CPT Direct Push Rig2


LOG OF BORING

BORING E-110

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

3.7

NA

2.1

2.5

1.4

1.6

1.4

1.6

SANDY SILT - dark greenish gray, fine grained sand


SILTY SAND - dark greenish gray, fine grained sand, firm, dry to moist

SILTY SAND - dark greenish gray, fine grained sand, moist

SILTY SAND - loose, wet, fine to medium grained, odor

SILTY SAND - dark greenish gray, fine grained sand, firm, wet




NOTES:

Hand augered upper 10 feet to avoid damage to utilities.Ground-water sample collected at the shallowest depth of 45 feetbelow the ground surface.Borehole grouted with cement-bentonite slurry and

ML

SM

SM

SM

SM

SM

SM

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

patched with quick setting concrete.

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

85

90

95

100

105

110

115

120

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.7

2.1

1.5

1.5

1.1

1.0

SANDY SILT - dark greenish gray, fine to medium grained sand

SANDY SILT - dark greenish gray, fine to medium grained sand

CLAYEY SILT - brown, moist, fine grained sand

SANDY SILT - brown, moist, fine to medium grained sand, some rock

Becomes grayish green, moist, fine to medium grained sand

SANDY SILT - firm, moist, grayish green, fine to medium grained sand

ML

ML

ML

ML

ML

ML

SAM

PLE

LOC

.

7/28/2011Kehoe CPT Direct Push Rig2


LOG OF BORING

BORING E-111

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561

Field Tech: DDSPrepared By: LH/APR/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.6

0.5

0.3

0.5

0.0

0.0

0.4





SANDY SILT - moist, grayish green, fine to medium grained sand

SAND - moist, grayish green, fine to medium grained




NOTES:

Hand augered upper 10 feet to avoid damage to utilities.Ground-water sample collected at the shallowest depth of 40 feetbelow the ground surface.Borehole grouted with cement-bentonite slurry and

ML

ML

ML

ML

SP

SP

SP

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

patched with quick setting concrete.

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

85

90

95

100

105

110

115

120

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

SAM

PLE

LOC

.



LOG OF BORING

BORING E-112 Alt

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

5.1

83.5

99.3

89.7

103

125

CLAYEY SILT - medium dense, moist, greenish gray, fine to mediumgrained sand

TAR SAND - fine to medium grained sand

TAR SAND - fine to coarse grained sand, some rock, H2S odor

TAR SAND - fine to coarse grained sand, H2S 20 ppm

TAR SAND - fine to medium grained sand, H2S 2 ppm

TAR SAND - fine to coarse grained sand

ML

TarSAND

TarSAND

TarSAND

TarSAND

Tar

SAM

PLE

LOC

.



LOG OF BORING

BORING E-112 Alt (Continued)

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC


NOTES:

Hand augered upper 10 feet to avoid damage to utilities.Ground-water sample not collected.Borehole grouted with cement-bentonite slurry andpatched with quick setting concrete.

-SAND

SAM

PLE

LOC

.



LOG OF BORING

BORING E-112 Alt (Continued)

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

85

90

95

100

105

110

115

120

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

6-inch thick Asphalt Concrete over 6-inch thick Portland Cement Concrete

CLAYEY SILT - firm, very dark grayish green to grayish green, fine tomedium grained sand with patches of brown

ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-113

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

6.0

20.8

27.1

26.6

TAR SAND - black, sticky, saturated with tar, fine to medium grained sand



PETROLIFEROUS SILT - very dark brown, slightly moist, tar present

SILTY PETROLIFEROUS CLAY - very dark brown, moist, tar present

TarSAND

TarSAND

TarSAND

TarSAND

CL-ML

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

23.3

27.1

very little present of tar

CLAYEY PETROLIFEROUS SILT, very dark brown, slightly moist



NOTES:

Hand augered upper 10 feet to avoid damage to utilities.Ground-water not encountered.Borehole grouted with cement-bentonite slurry andpatched with quick setting concrete.

CL-ML

CL-ML

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

85

90

95

100

105

110

115

120

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

124

156

SILT - moist, dark yellowish brown, trace medium sand, abundant rootlets,no odor

CLAYEY SILT - stiff, moist, black, no odor

ASPHALTIC TAR SAND - very fine to fine, black, moist, stiff


ML

ML

TarSAND

TarSAND

SAM

PLE

LOC

.

7/7/2011Fugro CPT Direct Rig2


LOG OF BORING

BORING E-114

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561

Field Tech: DDS/PKPrepared By: LH/APR/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

78.7

51.2






NOTES:

Hand augered upper 8½ feet to avoid damage to utilities.Ground-water not encountered.Borehole grouted with cement-bentonite slurry andpatched with quick setting concrete.

TarSAND

TarSAND

TarSAND

SAM

PLE

LOC

.

7/7/2011Fugro CPT Direct Rig2


LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561

Field Tech: DDS/PKPrepared By: LH/APR/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

5.4

5.5

4.8

5.9

SILTY SAND - loose, light brown, fine to medium grained sand

SILTY CLAY - very stiff, moist, light olive brown

SILTY SAND - medium dense, moist, dark olive brown, fine to mediumgrained sand, some small tar pods

SANDY CLAY - very stiff, moist, dark olive brown, fine to medium grainedsand

SM

CL-ML

SM

CL

SAM

PLE

LOC

.

7/8/2011CPT Direct Push Rig2


LOG OF BORING

BORING E-115

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

314

66.1

56.2

SANDY CLAY - very stiff, moist, dark olive gray, fine to medium grainedsand

TAR SAND - black with dark olive gray, medium dense, fine to mediumgrained sand

TAR SAND - black


NOTES:

Hand augered upper 10 feet to avoid damage to utilities.Ground-water encountered, but unsuccessful sample collecting.Borehole grouted with cement-bentonite slurry andpatched with quick setting concrete.

CL

TarSAND

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

6.7

35.8

10.2

6-inch thick Asphalt Concrete6-inch thick Portland Cement ConcreteSANDY CLAY - light brown, fine grained sand

SILTY CLAY - very stiff, moist, light olive brown

SANDY CLAY - dark greenish gray, very stiff

SILTY CLAY - olive gray, wet, fine to medium grained sand

CL

CL-ML

CL

CL-ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-116

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

58.2

58.2

50.8

SILTY CLAY - very stiff, moist, black, fine to medium grained sand

TAR SAND

TAR SAND


NOTES:

Hand augered upper 10 feet to avoid damage to utilities.Ground-water sample not collected.Borehole grouted with cement-bentonite slurry andpatched with quick setting concrete.

CL-MLSA

MPL

E LO

C.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

7.0

16.2


SANDY SILT - medium stiff, moist, brown to olive brown, fine to mediumgrained sand

CLAYEY SILT - stiff, moist, olive

TAR SAND - slight oily odor

ML

ML

TarSAND

SAM

PLE

LOC

.



LOG OF BORING

BORING E-117

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

36.5

36.5

47.8

51.5


SANDY CLAY - very stiff, greenish gray, fine grained sand, light odor

TAR SAND


NOTES:


CL

TarSAND

TarSAND

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

4.5


SANDY SILT - medium stiff, moist, greenish black, fine to medium grainedsand

CLAYEY SILT - very stiff, dark yellowish brown, fine to medium grainedsandSANDY CLAY - loose, yellowish brown, fine grained sand

SANDY SILT - very dark greenish gray, medium stiff, fine to mediumgrained sand

ML

ML

CL

ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-118

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

3.6

2.0

1.4

25.7

42.5

34.5

SANDY SILT - very dark greenish gray, medium stiff, fine to mediumgrained sand

SANDY SILT - very dark greenish gray, medium stiff, fine grained sand

SANDY SILT - very dark greenish gray, medium stiff, fine grained sand

SANDY SILT - greenish black, medium grained, trace tar sand

SANDY SILT - dark olive gray, trace to tar sand, medium grained sand withsome small rocks

TAR SAND - medium grained sand with small rocks


NOTES:


ML

ML

ML

ML

ML

TarSAND

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

5.3

SANDY CLAY - dark brown, very firm

SANDY CLAY - very stiff, grayish green

CL

CL

SAM

PLE

LOC

.



LOG OF BORING

BORING E-119

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.8

2.8

2.0

2.5

2.2

3.6

CLAYEY SAND - very dark greenish gray, fine grained sand

SANDY CLAY - very dark greenish gray, fine grained sand, dry

CLAY - very dark greenish gray, moist, firm

CLAY - very dark greenish gray, moist

CLAY - hard, very dark greenish gray, moist, firm

SANDY CLAY - very dark greenish gray, moist, fine to medium grainedsand, with rockEND OF BORING AT 65 FEET

NOTES:


SC

CL

CL

CL

CL

CL

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.4


CLAYEY SILT - black, moist, no odor

SILT - trace clay, some fine grained sand, dark yellowish brown (10Y,4/6),moist, no odor

SILT - some very fine grained sand, trace clay, dark greenish gray, moist,medium dense, no odor

ML

ML

ML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-120

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561

Field Tech: PKPrepared By: LH/APR/YNChecked By:



ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.1

2.2

2.3

1.9

2.4

2.4

WELL-GRADED SAND - some fine grained gravel (up to 1/2 inch),greenish gray, wet, medium dense, no odor

SILT - some clay and very fine to fine grained sand, dark greenish gray,moist, very stiff, no odor

SILT - some fine grained sand, dark greenish gray, moist, stiff, no odor

POORLY GRADED SAND - some silt, trace gravel (up to 3/4 inch), verydark greenish gray, wet, medium dense, no odor

SILT - trace clay, dark greenish gray, wet, stiff, no odor

SILT - trace clay, dark greenish gray, wet, stiff, no odor


NOTES:


SW

ML

ML

SP

ML

ML

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.6

1.9

2.4

2.8


CLAYEY SILT - black, moist

Becomes yellowish brown, trace fine grained sand

CLAYEY to SILTY SAND - fine grained sand, dark yellowish brown, verymoist, medium dense, no odor, with clay

SILTY CLAY - dark yellowish brown, moist, stiff, no odor

CLAYEY SILT - dark yellowish brown, moist, stiff, no odor

SILTY SAND - fine grained sand, dark yellowish brown, moist to wet,medium dense, no odor


POORLY GRADED SAND - fine grained sand, yellowish brown, wet, notenough sample for PID reading

ML

SC/SM

CL-ML

ML

SM

SP

SAM

PLE

LOC

.



LOG OF BORING

BORING E-121

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

1.2

0.8

0.2

0.7


SILTY CLAY - trace fine grained sand, moist to wet, stiff, no odor

SILTY CLAY - dark greenish gray, moist, very stiff, no odor

SILT - some fine to medium grained sand, trace fine gravel, dark greenishgray, wet, no odor, only 3/4 of tube, not enough for PID reading

WELL GRADED SAND - fine to medium grained sand, trace fine gravel,dark greenish gray, wet, medium dense, no odor

CLAY - dark greenish gray, moist, no odor


NOTES:


CL-ML

CL-ML

ML

SW

CL

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

1.3

0.3

0.0

2.0

1.8

2.1


CLAYEY SILT - black, moist

SILTY CLAY - dark olive brown, moist, stiff, no odor

CLAYEY SILT - dark olive gray, moist, stiffPOORLY GRADED SAND - fine to medium grained sand, dark olive gray,moist, medium dense, most likely sand lense in clayey silt

CLAYEY SILT to SILTY CLAY - dark olive gray, moist, stiff, no odor

SILTY CLAY - olive brown, moist, stiff

SANDY SILT - fine grained sand, olive brown, moist, stiff, no odor, withclay

SANDY SILT - fine grained sand, black, moist, stiff, no odor, with clayCLAY - very dark greenish gray, moist, stiff, no odor

ML

CL-ML

MLSP

ML

CL-ML

ML

MLCL

SAM

PLE

LOC

.



LOG OF BORING

BORING E-122

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.6

0.0

0.0

0.0

0.0

0.0

POORLY GRADED SAND - trace silt, fine grained sand, very dark greenishgray, wet, medium dense, no odor


SILT - some very fine grained sand, dark greenish gray, wet, stiff, no odor

CLAY - dark greenish gray, moist, stiff, no odor

SILT - some very fine grained sand, trace clay, dark greenish gray, wet, stiff,no odor

CLAY - dark greenish gray, moist, stiff, no odor

POORLY GRADED SAND - very fine grained sand, very dark greenishgray, wet, medium dense, some siltEND OF BORING AT 70 FEET

NOTES:


SP

ML

CL

ML

CL

SP

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

3.0


CLAY - grayish brown, moist, fine grained sandCL

SAM

PLE

LOC

.



LOG OF BORING

BORING E-123

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

2.1

2.1

2.0

0.0

0.0

0.0

CLAY - firm, moist, dark grayish brown

CLAY - very dark greenish gray, stiff

SANDY CLAY - stiff, greenish gray, fine to medium grained sand

CLAY - very stiff, very dark greenish gray, with patches of light greenishgray sandy silt, fine to medium grained sand

SANDY CLAY - very dark greenish gray, with patches (pockets) of lightgreenish gray, fine to coarse grained sand

SANDY CLAY - very dark greenish gray, with patches (pockets) of lightgreenish gray, fine grained sandEND OF BORING AT 70 FEET

NOTES:


CL

CL

CL

CL

CL

CL

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

4-inch thick Asphalt Concrete over 16-inch Portland Cement Concrete

CLAYEY SILT - black, moist, stiff, no odorML

SAM

PLE

LOC

.



LOG OF BORING

BORING E-124

SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

5

10

15

20

25

30

35

40

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.


Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

0.0

0.0

2.6

2.8

2.3

1.2

CLAYEY SILT - dark olive gray, moist, very stiff, no odor

CLAYEY SILT - dark olive gray, moist, very stiff, no odor

SILTY CLAY - dark yellowish brown, moist, very stiff, no odor

SANDY SILT/ SILTY SAND - fine grained sand, greenish gray, wet,medium dense, no odor, 1 inch gravel fragment, interbedded clayey silt lense

POORLY GRADED SAND - fine to medium grained sand, some silt, wet,dark greenish gray, medium dense, no odor

SILT - some fine grained sand, dark greenish gray, moist to wet, no odor


NOTES:

Hand augered upper 7½ feet to avoid damage to utilities.Ground-water sample not collected.Borehole grouted with cement-bentonite slurry andpatched with quick setting concrete.

ML

ML

CL-ML

ML/SM

SP

ML

SAM

PLE

LOC

.



LOG OF BORING


SAM

PLE

ID

OV

A(p

pm)

ELEV

ATI

ON

(ft)

DEP

TH (f

t)

45

50

55

60

65

70

75

80

THIS

REC

OR

D IS

A R

EASO

NA

BLE

INTE

RPR

ETA

TIO

N O

F SU

BSU

RFA

CE

CO

ND

ITIO

NS

AT

THE

EXPL

OR

ATI

ON

LO

CA

TIO

N.

SUB

SUR

FAC

E C

ON

DIT

ION

S A

T O

THER

LO

CA

TIO

NS

AN

D A

T O

THER

TIM

ES M

AY

DIF

FER

. IN

TER

FAC

ES B

ETW

EEN

STR

ATA

AR

E A

PPR

OX

IMA

TE.

TRA

NSI

TIO

NS

BET

WEE

N S

TRA

TA M

AY

BE

GR

AD

UA

L.

Project: 4951-10-1561




ENV

IRO

NM

ENTA

L LO

G 2

S:\7

0131

GEO

TEC

H\G

INTW

\LIB

RA

RY

MA

CTE

C JU

NE2

011.

GLB

G:\P

RO

JEC

T_D

IREC

TOR

IES\

4953

\201

0\10

1561

_MET

RO

_WES

TSID

E_EX

TEN

SIO

N\6

.2.4

PH

ASE

II E

NV

IRO

NM

ENTA

L\3.

0 FI

ELD

DO

CU

MEN

TS\G

INTE

D L

OG

S\M

ETR

O W

ESTS

IDE

EXT.

EN

VIR

O L

OG

S.G

PJ 1

0/21

/11

DC

Amazon Web Services - Appendix B, Part 04B.13, Final...

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Transcript of Amazon Web Services - Appendix B, Part 04B.13, Final...