A22 - Boring Log - BI-04-3.pdf

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BRANDT ISLAND PUMPOUT SUBSURFACE INVESTIGATION
Solicitation number
W912PM25QA020
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These are Visual Shell Content and Grain Size Analysis documents for a geotechnical investigation of the Brandt Island project, conducted by Wolf Technologies, Inc. The documents detail 24 soil samples collected from boring BI-04-3, located in the Wilmington District, with depths ranging from 0.0-71.0 feet. Each sample is comprehensively analyzed for grain size distribution, shell content, and material classification using U.S. Standard Sieve and Hydrometer testing methods.

The soil samples predominantly consist of sand classifications, including SP (poorly-graded sand), SP-SM (poorly-graded sand with silt), and SM (silty sand), with occasional clay-rich samples (SC and CH). Color descriptions are consistently in shades of gray, ranging from light to dark greenish gray. The samples vary in composition, with most containing mostly fine to medium-grained quartz, trace amounts of carbonate, and varying percentages of silt and clay. Total shell content across samples ranges from 1-20%, and the investigation was conducted on March 19, 2004.

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...\brandt04.dgn 3/13/2007 4:42:02 PM

...\brandt04.dgn 3/13/2007 4:42:22 PM

...\brandt04.dgn 3/13/2007 4:42:49 PM

...\brandt04.dgn 3/13/2007 4:43:09 PM

...\brandt04.dgn 3/13/2007 4:43:54 PM

I J:

e iii :i:

til W z 50 ii:

I Z W 0 40 w D.

U.S. STANDARD SIEVE OPENING IN INCHES U.S. STANDARD SIEVE NUMBERS HYDROMETER

• 4 3 2 1-1/2 3/4 ./2 3/. 3 4 8 10 1418 20 30 40 00 70 .00 .40 200• • r-~ ---I--~

1-<

"1\

1\ l- J:

e iii :i:40 > til W

III

a:50 I Z

60 w a:

w D.

1000 500 100 50 10 5 1 0.5 0.1 0.05 0.01 0.005 0.001

Sample No.

• 1

I GRAVEL

COBBLES

COARSE FINEI I I

Elev. Or Depth Classification

SAND, poorly-graded, mostly fine-grained 0.0-1.5 quartz, few carbonate, trace silt, light yellowish brown (SP)

GRADATION CURVES

COARSE

SAND

MEDIUM FINE

I

I SILT OR CLAY

%C03 G. Natw% LL PL PI

6 Project Brandt Island

Area

Boring No. BI-04-3

Date 03i19i2004

ENG FORM 2087

MAY 63

I J:

CI

iii 60

3:

a::

w 50 z iL

I Z W 0 40 a:: w D.

1000 500

Elev. Or Depth Sample No.

3.0-4.5• 2

U.S. STANDARD SIEVE OPENING IN INCHES

• 4 3 2 1·112 1 314 1/2 31. 3 4 8

100 50 10 5

I GRAVEL

COBBLES

COARSE FINEI I

Classification

SAND, poorly-graded, mostly fine-grained quartz, trace silt, trace carbonate, olive gray

(SP)

%C03

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 00 70 100 140 200 n l- J:

CI

iii

3:40 >m a:: w

III

a::50 c( I Z

60 w 0a:: w D.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

LL PL PINatw%G.

Project Brandt Island

Area

Boring No. BI-04-3

Date 03/19/2004

• • 100

I J:

Cl iii 3:

III

W z 50 ii:

I Z W 0 40 W l1.

Sample No.

u.s. STANDARD SIEVE OPENING IN INCHES 8 3 2 1-1/2 1 3/. 1/2 318 3 8 •

I 500 100 50 10 5

I I GRAVEL

COBBLES

COARSE FINE COARSEI I

Elev. Or Depth Classification O/OC03

• 3 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, dark greenish gray (SP-SM)

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 00 70 100 ,.0 200

I i+

, 10 l- J:

e iii 3:40 >

III

W

III

50 s ~

I Z

60 w W l1.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SilT OR CLAY

MEDIUM FINE I

Natw% PL PILLG.

Project

Area

Boring No.

Brandt Island

BI-04-3

6.0-9.0

I J: e iii 60

UI

a::

w 50z ii:

I Z W CJa:: 40 w lL

Sample No.

U.S. STANDARD SIEVE OPENING IN INCHES

8 4 3 2 1-112 1 3/4 1/2 3/8 3 4 8 8

500 100 50 10 5

I GRAVEL

COBBLES

COARSE FINEI I I

Elev. Or Depth Classification

SAND, poorly-graded with silt, mostly fine9.0-10.5 grained quartz, few silt, trace carbonate, dark greenish gray (SP-SM)

COARSE

%C03

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1.18 20 30 40 '0 70 100 140 200,,'

I~ l- J:

Cl iii ~40 >

UI

a::

w IIIa::50 s

CJ

I Z

60 w CJa::

w lL

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

Natw% PL PI

Project Brandt Island

Area

Boring No. BI-04-3 .... i1"'''J''\J''\ ..

LLG.

~ e U,J ~f'::UU"Iua t l"l.

_____________________________________I__ ------GRADATION CURVES

ENG FORM 2087

U.S. STANDARD SIEVE OPENING IN INCHES U.S. STANDARD SIEVE NUMBERS HYDROMETER

4 3 2 1-1/2 , 3/4 '/2 3/8 3 4 8 10 1418 20 30 40 50 70 '00 '40 200 0100 • •

1\ l- J:I- ClJ: iii iii 60

Cl

~40 >~ lD> II::lD wII:: III

II::W 50

Z c(u:: 0 cI

Z I W Zc 40 60 w

II::

w li!

D. W

D.

0 100

1000 500 100 50 10 5 1 0.5 0.1 0.05 0.01 0.005 0.001

I GRAVEL SAND I

COBBLES SILT OR CLAY I I COARSE I FINE COARSE MEDIUM FINE I

Sample No.

Elev. Or Depth PL PIClassification O/OC03 Natw% LLG.

Project

Area

Boring No.

D-

12.0-13.55 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, olive gray (SP-SM)

Brandt Island

BI-04-3

uo 9/~uu"'''''/1 '''''1''\1''\4 r-.....r-... --..

1\

U.S. STANDARD SIEVE OPENING IN INCHES

8 3 2 1-1/2 1 3/. 1/2•

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 SO 70 100 140 200 --..-.

r-, I· l- J:

Cl iii;:40 >

III

D::

w ~ 50 g o I Z

60 w W lL

1 0.5 0.1 0.05 0.01 0.005 0.001

3/8 3 8 8

I J:

Cl iii;:

III

D::

w z u::

I Z W o D::

W lL

Sample No.

• 6

1000 500 100 50 10 5

I GRAVEL

COBBLES

COARSE FINE COARSEI I I

Elev. Or Depth Classification

SAND, poorly-graded with silt, mostly fine15.0-16.5 grained quartz, few carbonate, few silt, gray

(SP-SM)

SAND

MEDIUM FINE

%C03 G. Natw%

LL PL

I

SILT OR CLAY I

PI

Project

Area

Boring No.

Date

Brandt Island

BI-04-3

(·V"\IA. ..... '''n

U.;)/Il:1/£UU..

I J:

e iii 60 :i:

II::

W Z 50 ii:

I Z W o 40

II::

W D.

Sample No.

• 7

U.S. STANDARD SIEVE OPENING IN INCHES U.S. STANDARD SIEVE NUMBERS

• 4 3 2 1·1/2 1 314 112 31. 3 4 • 10 1418 20 30 40 50 70 100•

500 100 50 10 5 1 0.5

I GRAVEL SAND

COBBLES

COARSE FINE COARSE MEDIUM FINEI I I

Elev. Or Depth Classification Natw% LL PL%C03 G.

SAND, silty, mostly fine-grained quartz, little 18.0-19.5 2 silt, trace carbonate, olive gray (SM)

, I

I I I

HYDROMETER

140 200

1\

I

I l- J:

e iii :i:40 > II:: w

III

II::50 <

U I Z

60 w U

II::

W D.

0.1 0.05 0.01 0.005 0.001

I

SILT OR CLAY I

PI

BI-04-3

03/19/2004I

Project

Area

Boring No.

I Date

X

CI

iii 60 3C 0::

W 50 Z ii:

Z W (J 40 0::

W

II.

I

Sample No.

U.S. STANDARD SIEVE OPENING IN INCHESU.S. STANDARD SIEVE NUMBERS HYDROMETER
3:z 1·112 1 3/. 1/2 31. 3 8 10 1418 20 30 40 50 70 100 140 200

I

•• 0

I \

1\

I

X

CI

iii 3C40 >

ID

0::

W In 0::50 c( (J

Z

60 w (J 0::

W

II.

70\

I

500 100 50 10 5 1 0.5 0.1 0.05 0.01 0.005 0.001 i

I GRAVEL

COBBLES

COARSE FINEI I I

Elev. Or Depth Classification

SAND, poorly-graded with silt, mostly fine21.0-22.5 grained quartz, few silt, trace carbonate, dark gray (SP-SM)

J I

GRADATION CURVES

COARSE

SAND

MEDIUM FINE

I

I SILT OR CLAY

%C03

G. Nat w"10 LL PL PI

Project Brandt Island

Area

Boring No. BI-04-3

I I I ! I Date 03/19/2004

ENG FORM 2087

•• •• 100

I :J:

e iii

III

It:

w Z iL I Z W It:

W 0.

Sample No.

• 9

U.S. STANDARD SIEVE OPENING IN INCHES

6 0 2 1·112 1 310 1/2 • 16 4 6 8• •

I

I

I

I

I 100 500 100 50 10 5 1 0.5 0.1 0.05 0.01 0.005 0.001

COBBLES SILT OR CLAY

COARSE FINE COARSE MEDIUM FINEI I I I

Elev. Or Depth Classification Natw% PL PI% CO. LLG.

Project Brandt Island

Area

Boring No. --- -

24.0-25.5 SAND, silty, mostly fine-grained quartz, little 2 silt, few clay seams, trace carbonates, dark gray (SM)

U.S. STANDARD SIEVE NUMBERS HYDROMETER .. ,..10 1418 2. 1. 10. 2••

l :J:

e iii ::40 > lD It: w l/) It:50 c( I Z

60 w It:

W 0.

BI-04-3

"'I'l.'~_'''''_''' •U,j/I"l:l/LUU4

MAy 63

I ::t:

Cl iii 60

III

It w 50Z ii:

I Z W 0 40 It w D.

Sample No.

• 10

U.S. STANDARD SIEVE OPENING IN INCHES U.S. STANDARD SIEVE NUMBERS HYDROMETER

8 4 3 2 1·1/2 1 314 112 3/8 3 4 B 10 1418 .0 3D 40 50 10 100 140 .00•- I--:. -- r-

I~ \ I i

I l

::t:

Cl iii ~40 >

III

It w Ul It50 c( I Z

60 w It W D.

500 100 50 10 5

I COBBLES

I

I COARSE

GRAVEL

I FINE

Elev. Or Depth Classification

27.0-28.5 SAND, clayey, mostly fine-grained quartz, little clay seams, few silt, trace carbonates, gray (SC)

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

COARSE MEDIUM FINE I

%C03 Natw% LL PLG.

Project

Area

Boring No.

Date

Brandt Island

BI-04-3

03/19/2004

• 4 3 2 1-1/2 1 314 1/2 318 3

I J:

C) iii 60 3:

III

a: w 50z iL I-z W o 40a: w l1.

1000 500

COARSE FINEI I I

Elev. Or Depth Sample No. Classification

SAND, poorly-graded, mostly medium to • 11 30.0-31.5 fine-grained quartz, little carbonate, trace silt, gray (SP)

4 8• ~ I

1"t'o-, r-,-, 100 50 10 5

COARSE

%C03

U.S. STANDARD SIEVE NUMBERS

10 1416 20 30 40 50 70 100 140

HYDROMETER

200 0

I J:

C) iii 3:40 >

III

a:

w Ula:50 c( 0 o I Z

60 w oa:

w l1.

r-, r\ 1\

1\

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILTORCLAY

MEDIUM FINE I

PL PINatw% LLG.

Project

Area

Boring No.

Brandt Island

BI-04-3

n '''' In,..,.. ..U3/19/£uu"

• 4 3 2 1·112 1 314 1/2 318 3 4 8 10 1418 20 30 40 50 70 100 140 200•100 r-I'-

1\

90 10

80 20

70 30 l- J:I- ClJ: iii iii 60 Cl

3:40 >3: lD> II::lD wII::

w 50 ~ 50z ii: ~

UI

Z I W Zu 40 60 w

II::

W ~ lL W lL

30 70

20 80

10 90

0 100 1000 500 100 50 10 5 1 0.5

I COBBLES

I

I COARSE

GRAVEL

I FINE COARSE

SAND

MEDIUM

Sample No.

Elev. Or Depth

33.0-34.5

Classification

SAND, poorly-graded with silt, mostly medium to fine-grained quartz, little carbonate, few silt, dark gray (SP-SM)

%C03

G. Natw% LL

FINE

PL

0.1 0.05 0.01 0.005 0.001

I

SILT OR CLAY I

Project

Area

Boring No.

n_.._

BI-04-3

n /011 'I') 1\.

• 4 3 2 1·112 1 3/4 1/2 3/8 3 4 • 10 14 18 20 30 40 50 70 100 140 200•100

~ r-, r-, r'\.

1\ i

90 10

80 20

70 30 l- J:I C)

J: iii iii 60 C)

3:40 >3: lD> II::lD wII:: III

W 50 II::50 (§Z

iL I (J Z I W Z(J 40 60 w

II:: (J

W II::Q. W

Q.

30 70

20 80

10 90

0 100 1000 500 100 50 10 5 1 0.5

I COBBLES

I

I COARSE

GRAVEL

I FINE COARSE

SAND

MEDIUM

Sample No.

Elev. Or Depth

36.0-37.5

Classification

SAND, poorly-graded, mostly medium to fine-grained quartz, little carbonate, trace silt, dark gray (SP)

%C03

G. Natw% LL

FINE

PL

0.1 0.05 0.01 0.005 0.001

I

SILT OR CLAY I

PI

Project

Area

Boring No.

Brandt Island

BI-04-3

U.3t ll:1t":UU4

I J:

e iii 60 Ell 0:: w 50Z ii:

I Z W 0 40 0:: w D.

U.S. STANDARD SIEVE OPENING IN INCHES

3 2 1-1/2 1 31• 1/2 318

1000 500 100 50 10

Sample No.

I GRAVEL

COBBLES

3 8• •

COARSE FINE COARSEI I I

Elev. Or Depth Classification %C03

39.0-40.5 SAND, poorly-graded, mostly fine-grained 4 quartz, trace silt, trace carbonate, dark gray

(SP)

10 1418 20 30 40 50 70 100 ,.0 200 r---.

I~ i'.r--, I l- J:

e iii

40 >== Ell 0:: w Vl 0::50 < I Z

60 w 0::

W D.

i

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND

MEDIUM FINE

I

I SILT OR CLAY

G. Natw% LL PL PI

Project Brandt Island

Area

Boring No. BI-04-3

Date 03/19/2004

ENG FORM 2087

• 4 3 2 1·112 1 314 112 31. 3 4 8•100

I J:

e iii 60 w 50z ii:

I Z W 0 40 w 11.

1000 500 100 50 10 5

Sample No.

COBBLES

COARSE FINEI I I

Elev. Or Depth Classification

SAND, poorly-graded with silt, mostly fine42.0-43.5 grained quartz, few silt, trace carbonate, greenish gray (SP-SM)

COARSE

%C03

I

GRADATION CURVES

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 2D 3D 40 .0 70 1DO 140 200

r-, l- J:

e iii

40 >==

III

wt lJ)

50 c(

\ I Z

60 w

W

11.

70\

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

PL PINatw% LLG.

Project Brandt Island

Area

Boring No. BI-04-3

ENG FORM 2087

U.S. STANDARD SIEVE OPENING IN INCHES

• 4 3 2 1·112 1 3/4 1/2 3'. 3 4 ••

500 100 50 10 5

I GRAVEL

COBBLES

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 50 70 100 140 200

1-< N.

r-.

l- J:

C) iii 3:40 >

III

W

III

~50 c(

\ 0 o \ I

Z 60 w

\ U ~ w a..

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

I J:

C) iii 3:

III

W z ii:

I Z W

U

W a..

Sample No.

• 16

SILT OR CLAY

COARSE FINE COARSE MEDIUM FINEI I I I

PIElev. Or Depth Classification Natw% PL%C03 LLG.

45.0-46.5 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, greenish gray (SP-SM)

4 Project Brandt Island

Area

Boring No.

BI-04-3

I"\I"\I~ 1"\ '''\1''\1''\

4 3 2 1·1J2 1 314 112 3/8100 •

I J: e iii 60;:

III

D::

w 50Z ii:

I Z W o 40 D::

w ll.

1000 500 100 50 10

I GRAVEL

COBBLES

COARSEI I I

Elev. Or Depth Sample No.

17 48.0-49.5

ENG FORM 2087

3 4 8•

FINE COARSE

Classification %C03

SAND, silty, mostly fine-grained quartz, little 2 silt, trace carbonate, dark greenish gray

(SM)

10 1418 20 30 40 .0 70 100 140 200

I l- J:

e iii ;:40 >

III

D::

w

II)

D::50 U I Z

60 w U D::

W ll.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND

MEDIUM FINE

G. Natw% LL PL

SILT OR CLAY I

PI

Brandt Island

I

Project

Area

Boring No.

Date

BI-04-3

03i19i2004

C) iii 60 lD

0::

w 50 z ii:

I Z W 0 40

0::

w

II.

u.s. STANDARD SIEVE OPENING IN INCHES

• 4 3 2 1·112 1 3/4 1/2 3/8 3 4 •

1000 500 100 50 10 5

COARSE FINEI I I

51.0-52.518

Classification

SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, greenish gray (SP-SM)

%C03

10 1418 20 30 40 50 70 100 140 200

I·

K I, \ 30 , l- J:

C) iii lD 0::

w s ~ 50

Z

60 w 0::

W

II.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

Natw% PL PI

Brandt Island

LLG.

Project

Area

Boring No.

Date

BI-04-3

03;19;2004

I J:

Cl iii 60::

III

II::

W 50Z iL I Z W

CJ 40

II:: w lL

Sample No.

• 19

U.S. STANDARD SIEVE OPENING IN INCHES

8 4 3 2 1-112 314 ./2 3/8 3 4 8 8•

500 100 50 10 5

I COBBLES

I

I COARSE

GRAVEL

I FINE

Elev. Or Depth Classification

54.0-55.5 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, dark greenish gray (SP-SM)

COARSE

O/OC03

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 00 70 .00 .40 200 l- J:

Cl iii::40 >

III

II:: w

III

II::50 s

CJ

I Z

60 w

CJ

II::

W lL

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND

MEDIUM FINE

I

I SILT OR CLAY

G. Natw% LL PL PI

Project Brandt Island

Area

Boring No.

~ - u3J ll:u2uO..

BI-04-3

n , .. ", n ~

• • 100

I :I:

Cl iii 60 l:lI

II::

w 50z ii:

I Z W 0 40

II::

w D..

Sample No.

U.S. STANDARD SIEVE OPENING IN INCHES

3 2 1-112 1 112 318 3 4 8 83"

I

500 100 50 10 5

I COBBLES

I

I COARSE

GRAVEL

I FINE

Elev. Or Depth Classification

57.0-58.5 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, dark gray (SP-SM)

COARSE

%C03

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 141B 20 30 40 70 100 200" ''''' 0 r-, I

I.

l :I:

Cl iii ~40 > l:lI

II::

w ~ 50 < I Z

60 w

II::

W D..

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEOIUM FINE I

Natw% LL PL PIG.

Project

Area

Boring No.

Brandt Island

BI-04-3

....... ,to_,,..., -U,j/ I \l/"OU4

I :J: e iii 60

IX!

It:

w 50 z ii:

I Z W u 40 It:

w Do

Sample No.

U.S. STANDARD SIEVE OPENING IN INCHES

8 3 2 1·1/2 1 31. 1/2 318•

500 100 50 10

I GRAVEL

COBBLESI I COARSE I FINE

Elev. Or Depth Classification

60.0-61.5 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, dark greenish gray (SP-SM)

3 8 8•

COARSE

%C03

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 SO 70 100 140 200

f\ ..

l :J: e iii ~40 >

IX!

It:

w Ul It:50 c( U I Z

60 w U It:

W Do l

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND

MEDIUM FINE

I

1 SILT OR CLAY

G. Natw% LL PL PI

Project Brandt Island

Area

Boring No.

- UJ/19/2uO..

BI-04-3

Cl iii 60

3:

III

II::

W 50 Z iL

I Z W (J 40

II::

W l1.

63.0-64.522

8 3 2 1·112 1 3/' 1/2 3/8 3 8 8 10 1418 20 30 .0 '0 70 100 ,.0 200

• • 0

N...

N

I·

J:

Cl iii

3:40

III

II::

W

III

II::50 (§

(J

I Z

60 w (J

II::

W l1.

500 100 50 10 5 1 0.5 0.1 0.05 0.01 0.005 0.001

COBBLES SILT OR CLAY I

COARSE FINE COARSE MEDIUM FINEI I I

PIClassification "IoC03 Nat w"/. PLLLG.

SAND, silty, mostly fine-grained quartz, little 3 silt, trace carbonate, dark greenish gray

(SM)

Project Brandt Island

Area

Boring No. BI-04-3

Date 03/19/2004

I :I:

Cl iii

In II:: w Z 50 iL I Z W U

II::

w

II.

Sample No.

U.S. STANDARD SIEVE OPENING IN INCHES

8 4 3 2 1-1/2 1 3/4 1/2 318 3 4 8 8

500 100 50 10 5

COARSE FINE COARSEI I I

Elev. Or Depth Classification %C03

• 23 SAND, silty, mostly fine-grained quartz, some silt, trace carbonate, dark greenish gray (SM)

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 SO 70 100 140 200

l :I:

Cl iii :!:40 > In

II::

w Ul II::50 c( U I Z

60 w U

II::

W

II.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

PINatw% PLLLG.

Project

Area

Boring No.

Brandt Island

BI-04-3

n. nnn

66.0-67.5

U.S.STANDARDSIEVEOPENINGIN INCHES U.S.STANDARDSIEVENUMBERS HYDROMETER

,8 4 3 2 1-112 314 112 318 3 4 8 8 10 1418 20 30 40 00 70 '00 '40 200

90 10

80 20

70 30 ::t:.... C)::t: iiiC) ~iii 60 40 >~ lD> a:lD wa: Ulw a:50 50 sz ii:

0.... z ....w z

0 40 60 wa: 0w a:a. w a.

30 70

20 80

10 90

0 100 1000 500 100 50 10 5

I GRAVEL

COBBLES

COARSE FINE COARSEI I I

Sample No. Elev. Or Depth Classification %C03

24 69.5-71.0 CLAY, inorganic-H, few fine-grained quartz, 4 trace carbonate, very dark greenish gray

(CH)

G.

1 0.5

SAND

MEOIUM

Natw% LL

0.1 0.05 0.01 0.005 0.001

I

SILT OR CLAY

FINE I

PL PI

Project

Area

Boring No.

Brandt Island

BI-04-3

n 1"1 J n Au3, ,9,2uO..

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