A22 - Boring Log - BI-04-1.pdf

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BRANDT ISLAND PUMPOUT SUBSURFACE INVESTIGATION
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W912PM25QA020
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This document contains a series of grain size and visual shell content analysis reports from Wolf Technologies, Inc. for the Brandt Island project. The geological investigation was conducted on soil samples from Boring No. BI-04-1, with sampling depths ranging from 0-70.5 feet. The samples were collected on 3/19/2004 and analyzed for soil composition, particle size distribution, and visual shell content.

The soil samples were predominantly classified as SAND, with variations including poorly-graded sand (SP), silty sand (SM), and clayey sand (SC). The samples consistently showed mostly fine to medium-grained quartz with trace amounts of carbonate, silt, and occasional shell fragments. The total shell content ranged from 0-24% across different sample depths, with colors described as dark gray, dark greenish gray, and olive gray. The gradation curves and detailed sieve analysis provide comprehensive data on the particle size distribution, demonstrating the geological characteristics of the soil at different depths in the Brandt Island project area.

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...\brandt04.dgn 3/13/2007 4:32:27 PM

...\brandt04.dgn 3/13/2007 4:33:23 PM

...\brandt04.dgn 3/13/2007 4:34:17 PM

...\brandt04.dgn 3/13/2007 4:34:59 PM

...\brandt04.dgn 3/13/2007 4:35:45 PM

I ::t:

e iii 60

>== lI:I

II::

w 50Z ii:

I Z W u 40

II::

w a..

Sample No.

• 1

I

U.S. STANDARD SIEVE OPENINGIN INCHES U.S. STANDARDSIEVE NUMBERS HYDROMETER

8 4 3 Z 1·112 1 314 1/2 318 3 4 8 8 10 1418 Z. 3. 4. 8. 70 10. 140 ZOO

l ::t:

e iii

40 >== lI:I

II::

w Vl

II::50 0(

U I Z

60 w U II:: w a..

I.

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

I GRAVEL SAND I

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

Elev. Or Depth Classification %C03 G. Natw% LL PL PI SAND, poorly-graded with silt, moslty fine0.0-1.5 grained quartz, few silt, trace carbonate, olive gray (SP-SM)

I I

GRADATION CURVES

I I I I I

Project

Area

Boring No.

Date

Brandt Island

BI-04-1

03/19/2004

ENG FORM 2087

MAY 63

::t:

e iii 60

III

a::

W 50z ii:

Z W CJ 40a::

w D.

Sample No.

• 2

I

U.S. STANDARD SIEVE OPENING IN INCHES

8 4 3 2 1-1/2 1 314 112 3'8 3 4 8 8

500 100 50 10 5

I GRAVEL

COBBLES

COARSE FINEI I I

Elev. Or Depth Classification

3.0-4.5 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, gray (SP-SM)

COARSE

%C03

! I

GRADATION CURVES

I

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 .0 70 100 140 200

I·

::t:

e iii ~40 >

III

a::

w

III

a::50 c(

CJ

Z

60 w

CJ

a:: w D.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

Natw% LL PLG.

I !

PI

Project

Area

Borina No.

I Date

Brandt Island

BI-04-1

03/19/2004I

I ::t:

e iii 60

ID

II::

W Z 50 ii:

I Z W

II::

W Q.

Sample No.

I

U.S. STANDARD SIEVE OPENING IN INCHES

8 4 3 2 1·112 1 3/4 1/2 318 3 4 8 8

I i

I

500 100 50 10 5

I GRAVEL

COBBLES

COARSE FINE COARSEI I I

Elev. Or Depth Classification %C03

SAND, poorly-graded, mostly fine-grained 16.0-7.5 quartz, trace silt, trace carbonate, gray (SP)

,J

GRADATION CURVES

U.S. STANDARD SIEVE NUMBERS HYDROMETER

'0 14 ,. 20 30 40 .0 70 100 140 200 r-.:.-

I

-I I

I 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

I I , I

Area

Boring No.

Date

BI-04-1

03/19/2004 l ::t:

Cl iii

ID

II:: w

III

II::

00(

I Z w

II::

W Q.

ENG FORM 2087

I J: e iii 60 3:

w 50z u::

I Z W

40~ w D.

U.S. STANDARD SIEVE OPENING IN INCHES

6 4 3 2 1~1/2 1 3/4 112 316 3 4 6 8

1000 500 100 50 10 5

Sample No.

• 4

I GRAVEL

I COBBLES I COARSE I FINE

Elev. Or Depth Classification

SAND, clayey, mostly fine-grained quartz, 9.0-10.5 little clay, trace carbonate, gray (SC)

COARSE

O/OC03

10 1416 20 30 40 50 70 100 140 200

1\ l- J:

e iii 3:40 >

ID

w

50 l:1 I Z

60 w w D.

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-04-1

Date 03/19/2004

U.S. STANDARDSIEVE OPENINGIN INCHES U.S. STANDARD SIEVE NUMBERS HYDROMETER

8 4 3 2 1-1/2 1 3/4 1/2 318 3 4 8 8 10 1418 20 30 40 .0 70 100 140 200

90 <, r-.

70 1\ I

\J:

e iii 60 J:lI

\It:

w 50z \ii:

I

\Z W (J 40 It:

w \D.

\30

20 \

10 1\

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

I

I GRAVEL SAND I

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

Sample No. Elev. Or Depth Classification %C03 G. Natw% LL PL PI

• 5 12.0-13.5 SAND, poorly-graded with silt, mostly fine 19 Project Brandt Island grained quartz, little carbonate, few silt, light yellowish brown (SP-SM) Area

Boring No. BI-04-1

Date 03/19/2004

GRADATION CURVES

ENG FORM 2087

MAY 63

-......I' l- J:

e iii

J:lI It:

w (J

I Z w (J It:

W D.

U.S. STANDARD SIEVE OPENING IN INCHES

3 2 1-1/2 1 31. 112 311

I J:

Cl iii 60 aI

II::

w 50Z ii:

I Z W

40~ w Do

1000 500 100 50 10

I I GRAVEL

COBBLES

COARSEI I

3 8• •

U.S. STANDARD SIEVE NUMBERS

10 1418 20 30 40 SO 70 100 ,.0

HYDROMETER

l- J:

Cl iii :;:40 > aI

II::

W Vl

II::50 <

I Z

60 w

II::

W Do t"--_

1\

1\ f\.-.

1\

1\

Elev. Or Depth Sample No.

15.0-16.56

FINE COARSE

Classification %C03

SAND, poorly-graded with silt, mostly 24 medium to fine-grained quartz, little carbonate, few silt, gray (SP-SM)

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

Nat w"A. LL PL PI

Brandt Island

G.

Project

Area

Boring No.

D t

BI-04-1

03/19/2004

I J:

e iii 60 :l:

lD 0::

W Z 50 iL I Z W o 40 0::

w

II.

Sample No.

• 7

U.S.STANDARD SIEVEOPENING IN INCHES U.S. STANDARDSIEVENUMBERS HYDROMETER

8 4 3 2 1-112 1 314 1/2 3/8 3 4 8 8 10 1418 20 30 40 .0 70 100 140 200

500 100 50 10 5

I GRAVEL

COBBLESI

Elev. Or Depth

18.0-19.5

COARSE FINEI I

Classification

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

....... 1"-.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

COARSE MEDIUM FINE I

Natw% LL PL PI%C03 G.

Project

Area

Boring No.

Date

Brandt Island 6

BI-04-1

o3/19/2004 l- J:

e iii :l:

lD 0::

W

III

0::

o I Z w U 0::

W

II.

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

0 4 2 1.1/2 1 314 lIZ 310 4 0 B 10 1418 20 .0 40 50 70 100 140 200• •100

I J:

Cl iii 60 lD

II::

W 50Z iL I Z W

0 40

II::

w Q.

1000 500

I Elev. Or Depth Sample No.

21.0-22.5• 8

100 50 10 5 1 0.5

I GRAVEL

COBBLES

COARSE FINEI I

Classification

SAND, silty, mostly fine-grained quartz, some silt, few carbonate, dark gray (SM)

COARSE

SAND

MEDIUM

'Yo CO.

G. Nat w'Yo LL

'1\ l- J:

Cl iii ~40 > lD II:: w

III

II::50

I Z

60 w

II::

W Q.

0.1 0.05 0.01 0.005 0.001

I

SILT OR CLAY

FINE I

PL PI

Project Brandt Island

Area

Boring No. BI-04-1

Date 03/19/2004

I :r C) iii 60 ClI 0: w 50Z ii:

I Z W u 40 0:

w lL

Sample No.

• 9

U.S. STANDARD SIEVE OPENING IN INCHES

,8 4 3 2 1·112 314 '/2 318 3 4 8 8

500 100 50 10 5

I COBBLES

I

I COARSE

GRAVEL

I FINE

Elev. Or Depth Classification

24.0-25.5 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, dark greenish gray (SP-SM)

COARSE

"IoC03

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1416 20 30 40 .0 70 100 '40 200

......1'\

I.

l :r C) iii ~40 >- ClI 0: w

II)

0:50 U I Z

60 w U 0:

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"lo LL PL PI

Project Brandt Island

Area

Boring No.

Date

BI-04-1

8 3 2 1·1/2 1 3" 1/2 318 3 8 8 10 14 1. 20 30 .0 .0 10 100 140 200• •

1\'

\ 1 I

I I.

90 10

80 20

70 30 l :I:

I- e:I: iii iii 60 Cl

40 == > III== > a:III wa: VIw a:50 50z <l:

iL 0 l o Z I W Z o 40 60 wa: w ~

0. W

0.

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

27.0-28.5

Classification

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

%C03

G. Natw% LL

FINE

PL

0.1 0.05 0.01 0.005 0.001

I

SILT OR CLAY I

PI

Brandt Island Project

Area

Boring No.

D +

BI-04-1

U.S. STANDARD SIEVE OPENING IN INCHES

8 3 2 1·112 1 3/. 1/2•100

I ::t:

e jjj 60;:

III

II::

w 50Z ii:

I-z w o 40

II::

w Q.

318 3 8 8•

1000 500 100 50 10 5

Sample No.

I GRAVEL

COBBLES

COARSE FINE COARSEI I I

Elev. Or Depth Classification O/OC03

30.0-31.5 SAND, poorly-graded with silt, mostly fine to 9 medium-grained quartz, few carbonate, few silt, gray (SP-SM)

U.S. STANDARD SIEVE NUMBERS

10 1418 20 30 .0 .0 70 100 "0

HYDROMETER

200 0 l ::t:

e jjj ;:40 >

III

II::

w Ul

II::50

U I Z

60 w U

II::

W Q.

- -r--.<, 1\

1\

1\

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-04-1

Date 03/19/2004

ENG FORM 2087

J:

Cl iii 60 3:

lD

II::

W 50Z u::

.... z w 0 40

II::

w l1.

U.S. STANDARD SIEVE OPENING IN INCHES

8 4 3 2 1-1/2 1 314 112

I GRAVEL

COBBLESI

Elev. Or Depth Sample No.

33.0-34.512

ENG FORM 2087

318 3 4 8 8

1000 500 100 50 10 5

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

%C03

U.S. STANDARD SIEVE NUMBERS

10 1418 20 30 40 .0 70 100 140

HYDROMETER

200 0

J:

Cl iii 3:40 > lD

II::

w

III

II::50 <

.... z

60 w

II::

w l1.

1\

1\

1\

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-04-1

8 4 , 2 1·'/2 1 314 1/2 318 , 4 8 8

I ::t:

e iii 60

D::

w 50Z ii:

I Z W 0 40 D::

w a.

1000 500 100 50 10 5

I

I GRAVEL

COBBLES I COARSE I FINE

Sample No. Elev. Or Depth Classification

• 13 36.0-37.5 SAND, poorly-graded with silt, mostly fine-grained quartz, few silt, trace carbonate, dark gray (SP-SM)

COARSE

% CO,

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 3D 40 00 70 100 140 200 i l ::t:

e iii ~40 >

III

D::

w Ul D::50 c( I Z

60 w D::

w a.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

Natw% PLLL PI

Brandt Island

G.

Project

Area

Boring No.

+0

B/-04-1

03/19/20"4

I ::t:

e iii 60 3:

llJ It:

w 50Z u::

I Z W U 40 It:

w D.

Sample No.

• 14

8 4 2 1-112 1 314 1/2 318 4 8 a 10 1418 20 .0 40 .0 70 100 140 200• • 0

10\

20I~ l ::t:

e iii 3:40 > llJ It:

w Ul It:50 c( U I Z

60 w U It:

W D.

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

I GRAVEL SAND I

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

"loCO. G. Natw"lo LL PL PI

2 Brandt Island

Elev. Or Depth Classification

39.0-40.5 SAND, poorly-graded with clay, mostly fine-grained Quartz, few clay, trace carbonate, dark greenish gray (SP-SC)

Project

Area

Boring No.

Date

BI-04-1

03/19/2004

• • • • 100

I ::t:

C!)

iii 3:

aI 0:::

W Z iL I Z W (.J 0:::

w D.

U.S. STANDARD SIEVE OPENING IN INCHES

3 2 1·112 I 3" 1/2 31. 3 , 1000 500 100 50 10 5

Sample No.

• 15

I GRAVEL

I COBBLES I COARSE I FINE

Elev. Or Depth Classification

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

42.0-43.5

COARSE

%C03

10 ,. 18 20 30 40 ilO 70 100 140 200 r--l ::t:

C!)

iii 3:40 > aI 0:::

w

III

0:::50 (.J

I Z

60 w (.J 0:::

W D.

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-04-1

Date 03/19/2004

MAY63

8 4 3 2 1-112 1 314 112 318 3 4 8 8 10 1418 20 30 40 00 70 100 140 200 0100

90 10

-K

1\

70 30 l- J:

I C) J: iii iii 60 C)

40 >== aI>== II::aI w II:: Ul w II::50 50 (§Z iL

I o Z I W Zo 40 60 w II:: U w II::a. w a.

30 70

20 80

10 90

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

COARSE FINE COARSE MEDIUM FINEI I I I

Sample No. Elev. Or Depth Classification O/OC03 G. Natw%

LL PL PI

SAND, clayey, mostly fine-grained quartz, Project Brandt Island some clay, trace carbonate, dark greenish gray (SC) Area

Boring No. BI-04-1

45.0-46.5• 16 n fA n"l/1 nnn

GRADATION CURVES

a

______________________I_-._- _

U.S. STANDARD SIEVE OPENINGIN INCHES U.S. STANDARD SIEVE NUMBERS HYDROMETER

8 3 2 '·112 1 31. 1/2 318 3 8 • 10 14 16 20 30 .0 .0 70 100 140 200• •100 ol..._ ~ t-- t-- ---.

N

1\ i

90 10

80 20

70 30 l- J:I C)J:

C) iii iii 60 3:40 >3: CD

II::fD wII:: IIIW 50 II::50 ~Z ii: 0 I o Z IW Zo 40 60 w II:: ow II::II. W

II.

30 70

20 80

10 90

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

COARSE FINE COARSE MEDIUM FINEI I I I

Elev. Or Depth ClassificationSample No. Natw"lo LL PL"IoC03 G.

48.0-49.517 SAND, silty, moslty fine-grained quartz, little silt, few carbonate, dark greenish gray (SM)

Dat v

PI

Project

Area

Boring No. ..

Brandt Island

BI-04-1

n":l1Q nil

GRADATION CURVES _ ---------------__________________________________________I__ __

I- J:

C) iii 60::

>m It:

w 50Z ii:

I- Z W o 40 It:

w 0.

1000 500

I Sample No. Elev. Or Depth

• 18 51.0-52.5

4 3 2 1-1/2 1 3/4 1/2 3'. 3 4 8

100 50 10 5

I GRAVEL

COBBLES

CLAY, inorganic-H, some fine-grained quartz, trace carbonate, dark greenish gray

(CH)

%C03

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 20 30 40 80 70 100 140 200

1\ l- J:

C) iii::40 >m It:

w

II)

It:50 <C U I Z

60 w U It:

W 0.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND

MEDIUM FINE

G. PLNatw% LL

SILT OR CLAY I

PI

Brandt Island

I

Project

Area

Boring No.

Date

BI-04-1

I- X C) iii 60 3:

III

D:

w 50Z ii:

I- Z W 0 40 D:

w D.

1000 500

I Sample No. Elev. Or Depth

• 19 54.0-55.5

ENG FORM 2087

MAY 63

8 3 2 1-1/2 1 31. 1/2 318 3 8 8• •

100 50 10 5

I GRAVEL

COBBLES

COARSE FINE COARSEI I

Classification %C03

SAND, silty, mostly fine-grained quartz, little 1 silt, trace carbonate, dark greenish gray

(SM)

GRADATION CURVES

U.S. STANDARD SIEVE NUMBERS HYDROMETER

10 1418 2. 3. 40 7. ,.. ,.. 2•• 0

I~ l- X C) iii 3:40 >

III

D:

w Ul D:50 c( I Z

60 w D:

W D.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND

MEDIUM FINE

I

I SILT OR CLAY I

G. Natw% LL PL PI

Project Brandt Island

Area

Boring No. BI-04-1

Date 03/19/2004

I J:

e iii 60 3:

III

a:

w 50z ii:

I Z W

~ 40 w D.

1000 500

I Sample No. Elev. Or Depth

• 20 57.0-58.5

0 4 3 2 1-112 1 3/4 1/2 310 3 4 0 •

100 50 10 5

I GRAVEL

COBBLES

COARSE FINE COARSEI I

Classification 0/0 C03

CLAY, inorganic-H, some fine-grained quartz, trace carbonate, dark greenish gray

(CH)

10 1418 20 30 40 .0 70 100 140 200

I~ l- J:

e iii

3:40

III

a:

w Ula:50 c( U

I Z

60 w oa:

w D.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

LLNat w"/. PLG. PI

Project

Area

Boring No.

o-

Brandt Island

BI-04-1

n J< noa ,9/2u04

I J:

Cl iii 60 :i:

lD II:: w Z 50 ii:

I Z W o 40

II::

W D.

U.S. STANDARD SIEVE OPENING IN INCHES

8 • • 2 1·1J2 1 ./. 1/2 318 • • 8 B

1000 500 100 50 10 5

Sample No.

• 21

I GRAVEL

COBBLES

COARSE FINEI I I

Elev. Or Depth Classification

CLAY, inorganic-H, some fine-grained 60.0-61.5 quartz, trace carbonate, dark greenish gray

(CH)

COARSE

"loCO.

10 1418 20 .0 .0 .0 70 100 ,.0 200

0....., I~ l- J:

Cl iii :i:40 > lD

II::

w Ul II::50 c( U I Z

60 w U

II::

W D.

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND

MEDIUM FINE

I

I SILT OR CLAY

G. Natw"lo LL PL PI

Project Brandt Island

Area

Boring No. BI-04-1

Date 03/19/2004

I ::t

Cl iii 60 lD

II::

W 50 Z iL

I Z W

W 11.

Sample No.

• 22 u.s. STANDARD SIEVE OPENING IN INCHES U.S. STANDARD SIEVE NUMBERS HYDROMETER

8 4 3 2 1-1/Z 314 .IZ 318 3 4 8 I 10 1411 20 30 40 .0 70 .00 '40 200

1""-< .......r l ::t

Cl iii

~40 lD

II::

W

III

II::50

c( I Z

60 w

II::

W 11.

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

COARSE FINE COARSE MEDIUM FINEI I I I

Elev. Or Depth Classification Natw% PLO/OC03 LLG. PI

Project Brandt Island

Area

Boring No.

Date

CLAY, inorganic-H, little fine-grained quartz, 63.0-64.5 0 dark gray (CH)

BI-04-1

• • • 2 1·1/2 1 .,. 1/2 •,8 • • • 8

500 100 50 10 5

U.S. STANDARD SIEVE NUMBERS

10 1418 20 .0 40 00 70 100 140

HYDROMETER

200 0 l- J:

C) iii:=40 > lD Il::

w &!50 c( (J

I Z

60 w (J Il::

W D.

I J:

C) iii 60:= lD Il::

w 50z ii:

l- Z W (J 40 Il::

w D.

Sample No.

• 23

I GRAVEL

COBBLES

COARSE FINEI I I

Elev. Or Depth Classification

SAND, clayey, mostly fine-grained quartz, 66.0-67.5 some clay, trace carbonate, trace fragmented rock, dark gray (SC)

COARSE

% CO.

1--., 1\

1\

I·

1 0.5 0.1 0.05 0.01 0.005 0.001

SAND I

SILT OR CLAY

MEDIUM FINE I

Nat w% LL PLG. PI

Project Brandt Island

Area

Boring No.

Date

BI-04-1

03/19/2004

6 4 3 2 1·1/2 , 3/4 112 316 3 4 6 8 10 1416 20 30 40 50 70 '00 '40 200 t-, 80 <,r-, I J: 1\C) iii 60 3: \

III

a: w 50z ii: \ I

\Z W () 40a:

w 1\Q, \30

20 \

10 \.

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

I

I GRAVEL SAND I

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

Sample No. Elev. Or Depth Classification %C03 G. Natw% LL PL PI

• 24 69.0-70.5 SAND, poorly-graded, mostly medium to 13 Project Brandt Island fine-grained quartz, little carbonate, little fine gravel size fragmented rock, trace silt, dark gray (SP) Area

Boring No. BI-04-1

Date 03/19/2004

GRADATION CURVES

ENG FORM 2087

MAY 63

l- J:

C) iii 3:

III

a: w

I Z w a: w Q,

File details come from the government source that posted it. Updated .