· 9/1/2011 · Project: Sunrise Powerlink Project 2332 2330 2328 2326 2324 2322 2320 Sheet 1 of 4...

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ALLUVIUMMedium dense, moist, brown, silty SAND (SM), mediumgrained, with clay, mica flakes and fine gravel

Loose, moist, brown, poorly graded SAND with silt (SP-SM),coarse grained, with mica flakes and fine gravel

Medium dense, moist, brown, silty SAND (SM), coarsegrained, with fine gravel

TONALITE OF LA POSTALight yellowish brown with black and white crystals,phaneritic, coarse grained, completely weathered, extremelyweak rock. Breaks down to very dense, grayish brown, siltySAND (SM)

85

95

80

80

0927

75

09290942

66

09450959

72

1001

1008

52

10111029

1

WA(19), MC(10),DUW(118), LL(23),PI(4), CORR

MC(19)

WA(8), MC(18)

SA(12), MC(14)

26

10

6

70

1

2

3

4

D. Rector

Bentonite seal

Date(s)Drilled

DrillingMethod HQ-3

Inclination fromHorizontal/Bearing 90°

BoreholeCompletion

140 lbs/30" automatichammer

08/23/11

2332.4 ft (NAVD 88)

LoggedBy P. Balasubramanyam

Total DepthDrilled

CheckedBy

GroundwaterLevel

Drill RigType

Hammer Data

Burley 4500, Rig #2 Approx. SurfaceElevation

DrillingContractor

9.5 feet

Drill BitSize/TypeCoring

Crux

50.0 feet

CoordinateLocation (NAD 83)

Location

32.65724 -116.61765

Link 1, Section 8C

MATERIAL DESCRIPTIONLi

thol

ogy

Ele

vatio

n,

feet

SOILSAMPLES

Blo

ws/

foo

t

REMARKSAND

LAB TESTS

Dril

l Tim

e a

ndR

ate

(ft/h

r]

Num

ber

Dep

th,

feet

Num

ber

Typ

e

Fra

ctur

espe

r F

oot

Rec

over

y,%

R Q

D, %

Fra

ctur

eD

raw

ing

ROCK CORE

Box

No.

Run

No.

Project Location: San Diego and Imperial Counties, California

0

1

2

3

4

5

6

7

8

9

10

11

12

13

Project Number: 27661032

Project: Sunrise Powerlink Project

2332

2330

2328

2326

2324

2322

2320

Sheet 1 of 4

Log of Boring B-EP54-1R

epor

t: S

UN

RIS

E_C

OR

E L

OG

; F

ile: 2

7661

032

.GP

J;

9/1

/201

1

B-E

P54

-1

4

4

5

6

7

8

Grades to black and white (salt and pepper colored),completely to highly weathered, with some muscovite micaflakes. Breaks down to bluish gray, well-graded SANDwith silt (SW-SM)

Becomes very weak rock

Becomes extremely weak rock

Becomes very weak rock

Breaks down to dark gray, poorly graded SAND with silt(SP-SM)

Grades to highly weathered, weak to very weak rock, withfew muscovite mica flakes

With many mafic minerals

1: 45°, J, N, Fe, Sp, Pl, Sr

Becomes weak rock, breaks down to well-graded SAND(SW) with gravel

2: 55°, J, (set), N, Fe, Sp, Pl, Sr

Breaks down to poorly graded SAND with silt (SP-SM)

100

100

100

100

1111

22

22

300

10301040

50

10461053

75

10571101

60

1

2

SA(9), MC(16)

WA(6), MC(6)

SA(3), MC(5)

50/5"

50/5"

5

6

7

MATERIAL DESCRIPTION

Lith

olog

y

Ele

vatio

n,

feet

SOILSAMPLES

Blo

ws/

foo

t

REMARKSAND

LAB TESTS

Dril

l Tim

e a

ndR

ate

(ft/h

r]

Num

ber

Dep

th,

feet

Num

ber

Typ

e

Fra

ctur

espe

r F

oot

Rec

over

y,%

R Q

D, %

Fra

ctur

eD

raw

ing

ROCK CORE

Box

No.

Run

No.


13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29



2318

2316

2314

2312

2310

2308

2306

2304

Sheet 2 of 4


epor

t: S

UN

RIS

E_C

OR

E L

OG

; F

ile: 2

7661

032

.GP

J;

9/1

/201

1

B-E

P54

-1

3

9

10

11

1: 35°, J, N, No, N, Pl, Sr2: 45°, J, N, No, N, Pl, Sr

Decrease in iron oxide staining to 5-10%

Grades to slightly weathered, strong rock, with 0-5% ironoxide staining

100

100

100 100

M

M

MM

112

11061110

75

11141021

60

10261130

15

2

UC8


Lith

olog

y

Ele

vatio

n,

feet

SOILSAMPLES

Blo

ws/

foo

t

REMARKSAND

LAB TESTS

Dril

l Tim

e a

ndR

ate

(ft/h

r]

Num

ber

Dep

th,

feet

Num

ber

Typ

e

Fra

ctur

espe

r F

oot

Rec

over

y,%

R Q

D, %

Fra

ctur

eD

raw

ing

ROCK CORE

Box

No.

Run

No.


29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45



2302

2300

2298

2296

2294

2292

2290

2288

Sheet 3 of 4


epor

t: S

UN

RIS

E_C

OR

E L

OG

; F

ile: 2

7661

032

.GP

J;

9/1

/201

1

B-E

P54

-1

12

Becomes very strong rock

Bottom of boring at 50 feet

100 100

11501210

9

1238

2


Lith

olog

y

Ele

vatio

n,

feet

SOILSAMPLES

Blo

ws/

foo

t

REMARKSAND

LAB TESTS

Dril

l Tim

e a

ndR

ate

(ft/h

r]

Num

ber

Dep

th,

feet

Num

ber

Typ

e

Fra

ctur

espe

r F

oot

Rec

over

y,%

R Q

D, %

Fra

ctur

eD

raw

ing

ROCK CORE

Box

No.

Run

No.


45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61



2286

2284

2282

2280

2278

2276

2274

2272

Sheet 4 of 4


epor

t: S

UN

RIS

E_C

OR

E L

OG

; F

ile: 2

7661

032

.GP

J;

9/1

/201

1

B-E

P54

-1

UNIFIED SOIL CLASSIFICATION Sieve Dia. %

No. mm Finer

3" 75.0 100.0

2" 50.0 100.0

1.5" 37.5 100.0

1" 25.0 100.0

3/4" 19.00 100.0

1/2" 12.50 100.0

3/8" 9.50 100.0

#4 4.75 99.6

#10 2.00 93.7

#20 0.850 72.3

#40 0.425 45.6

#60 0.250 28.9

#100 0.150 19.0

#140 0.106 14.9

#200 0.075 12.4

% Cobbles XX

0.4

87.212.4

D85

D60

D50

D30

D15

D10

Boring No. Sample No. Depth (ft) SYMBOL Wn (%) LL PI % 2 m Description and Classification Cu

B-EP54-1 4 10.8 14.2 NA NA NA Cc

PROJECT NAME: Sunrise PowerlinkPROJECT NUMBER: 27661032

% Gravel % Sand

Hyd

rom

eter

Ana

lysi

s

#N/A

% Fines

XXX

0.618

PARTICLE-SIZE DISTRIBUTION CURVES

0.259

Brown silty Sand (SM)

1.412

0.476

0.107

XXX

50 5 0.5 0.05 0.005

#2003" 2" 1" 3/4" 3/8" #4 #10 #20 #40 #60 #100

0

10

20

30

40

50

60

70

80

90

100

0.0010.010.1110100

PE

RC

EN

T P

AS

SIN

G B

Y W

EIG

HT

GRAIN SIZE IN MILLIMETERS

U. S. STANDARD SIEVE SIZES

COBBLES

GRAVEL SAND SILT AND CLAYCOARSE FINE COARSE FINEMEDIUM

HYDROMETER

Sieve Sunrise EP54-1 010 URS


No. mm Finer

3" 75.0 100.0

2" 50.0 100.0

1.5" 37.5 100.0

1" 25.0 100.0

3/4" 19.00 100.0

1/2" 12.50 100.0

3/8" 9.50 100.0

#4 4.75 98.0

#10 2.00 87.0

#20 0.850 59.7

#40 0.425 37.1

#60 0.250 24.6

#100 0.150 16.3

#140 0.106 11.7

#200 0.075 8.7

% Cobbles XX

2.0

89.38.7

D85

D60

D50

D30

D15

D10


B-EP54-1 5 15.8 15.8 NA NA NA Cc


% Gravel % Sand

Hyd

rom

eter

Ana

lysi

s

0.087

% Fines

1.3

0.858


0.314

Bluish gray well-graded Sand with silt (SW-SM)

1.878

0.631

0.136

9.8

50 5 0.5 0.05 0.005

#2003" 2" 1" 3/4" 3/8" #4 #10 #20 #40 #60 #100

0

10

20

30

40

50

60

70

80

90

100

0.0010.010.1110100

PE

RC

EN

T P

AS

SIN

G B

Y W

EIG

HT



COBBLES


HYDROMETER



No. mm Finer

3" 75.0 100.0

2" 50.0 100.0

1.5" 37.5 100.0

1" 25.0 100.0

3/4" 19.00 100.0

1/2" 12.50 96.1

3/8" 9.50 87.5

#4 4.75 74.7

#10 2.00 53.1

#20 0.850 32.7

#40 0.425 19.3

#60 0.250 11.8

#100 0.150 7.0

#140 0.106 4.8

#200 0.075 3.4

% Cobbles XX

25.3

71.33.4

D85

D60

D50

D30

D15

D10


B-EP54-1 7 26.0 4.7 NA NA NA Cc


% Gravel % Sand

Hyd

rom

eter

Ana

lysi

s

0.206

% Fines

1.0

2.637


0.739

Dark gray well-graded Sand with gravel (SW)

8.297

1.756

0.314

12.8

50 5 0.5 0.05 0.005

#2003" 2" 1" 3/4" 3/8" #4 #10 #20 #40 #60 #100

0

10

20

30

40

50

60

70

80

90

100

0.0010.010.1110100

PE

RC

EN

T P

AS

SIN

G B

Y W

EIG

HT



COBBLES


HYDROMETER


Water Length Diameter Wet Unit Peak

Content (%) (in) (in) Weight (pcf) Stress (psi)

Project Name: Sunrise Powerlink


Boring Number: B-EP54-1 Depth (ft): 40.8

Description and/or Classification:

Failure Sketch

5.019 2.401

Bluish gray with black speckles Granite

0.2 174.6 6410

UNCONFINED COMPRESSION TEST

ASTM D7012

0.0

1000.0

2000.0

3000.0

4000.0

5000.0

6000.0

7000.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

Co

mp

ress

ive

Str

ess

(psi

)

Axial Strain (%)

SR-206 (4/99) (SNA) UCr Sunrise EP54-1 041 URS

CORROSIVITY TEST ANALYSIS

Project Number: Boring No.:

Project Name: Sample No.:

Project Engineer: Depth (ft):

Initial Visual Classification Symbol:

State of Specimen before Processing Set-Up Minus No. 8

x Passing soil through #8 sieve Water Content or ( )

x Moist State Container No. C3

Air Dried Mass Container + Wet Soil (g), M1 103.54

Oven Dried at 60 C Mass Container + Dry Soil (g), M2 101.79

Mass Container (g), M3 71.97

Water Content, w (%) 5.87

Resistivity Test: California Test Method 643 Mininum Resistence value: ohm-cm

Trial 1 Trial 2 Trial 3 Trial 4 Trial 5

Weight of Soil in bowl (g):

Weight of mixing bowl (g):

Wet weight of Soil (g):

Amount of water added (ml):

Soil Box + Wet Soil (g), M5

Weight of Soil Box (g), M6

Wt. of Wet Soil for test (g), M7

Volume of Soil Box (cm3)

Est. Saturation (%)

Resistivity Reading (ohm)

Resistence (ohm-cm)

Resistence = Soil Box Constant x Reading

pH Test : California Test Method 532 pH of slurry: 9.30

50g wet weight of soil mixed with 50 mL of de-ionized water. Temperature : 21.6 Celsius

Sulfate Content:

100g of soil mixed with 300 mL of de-ionized water. SO4 (ppm) :recorded mg of SO4 in sample, x, = mg

soil / water ratio, r, =

number of dilutions to obtain above value, d, = = mg/ L = ppmDilution Equation, d > 0; SO4 = (( x / 80 )* ( r 80 * 2 d - r 80 * 2(d-1) ) ) + r 80 * 2(d-1)

Chloride Content:

100g of soil mixed with 300 mL of de-ionized water. Cl- (ppm) :

mg/L of Cl- = ((A-B) x N x 35453) x 3A = mL of AgNO3 A=

B = 23 mL of the blank

N = 0.0493 N, normality of the titrant Cl- (mg/L) = A * 5 * 3

Tested By: Date: Checked By: TJO

Sunrise Powerlink

KG

MG 8/25/2011

75

5

21,000

27661032

239.01 266.66268.31264.42

B-EP54-1

0 20

21,000

259.07

123.95

135.12

79.2

7,300

123.95

115.06

79.2

5,3005,50075.716.4 79.6

not detected0

5,3005,5007,300 6,000

2.5

1

5,300

473.36

123.95

142.71

123.95

464.58

144.36

79.2 79.2

10 10

139.25 139.25

288.81 325.33 334.11

SM

139.25 139.25 139.25

428.06 446.31 455.14

3

307.06 315.89

10

79.2

64.46,000

60.1

123.95

140.47

SNA (2007) corrosivity Sunrise EP54-1 002.5 URS

· 9/1/2011 · Project: Sunrise Powerlink Project 2332 2330 2328 2326 2324 2322 2320 Sheet 1 of 4...

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