GRASS SURFACE - Alaska DECdec.alaska.gov/water/vsw/projectsites/atkaproject/pdfs/Studies and... · GRASS SURFACE FILL, SILTY SAND WITH GRAVEL, ... 26% sand, 10% silt, gravel subrounded

386

F4

14.0

13.0

1.0

10.0

LOG

OF

EX

PLO

RA

TIO

N 5

9798

.GP

J B

LAN

K2.

GD

T 6

/29/

07

49

181

ML

92

F4

357

49

34

MA

MA

SM

PT

189

GRASS SURFACEFILL, SILTY SAND, black, 2% gravel, 36% silt, nonplastic, gravelsubrounded to 1/2", medium sand, ORGANICS present to 30% byvolume, (rootlets, peat), 4" PVC observed

PEAT, dark brown, fibrous

SANDY SILT, black, 34% sand, nonplastic, fine sand, ORGANICSpresent to 5% by volume, (rootlets)

SILTY GRAVEL WITH SAND, light brown, 32% sand, 22% silt, noto low plasticity, gravel subrounded to 3", trace of ORGANICS (insitu plants)

TEST PIT COMPLETED ON 5-22-07NO GROUNDWATER OBSERVED WHILE EXCAVATINGCLASSIFICATIONS AND DEPTHS BASED ON SAMPLESCOLLECTED BY AHA

F4

F2

LOG OF TEST PIT 1

PROJECT: Atka Housing

GM

KEY= Mechanical Analysis= Total Depth

MA

= Grab Sample= SPT Sample= Shelby Tube - pushed= 2.5" I.D. Spoon Sample

340# weight, 30" fall

Oth

er T

ests

LOGGED BY: Clifton Shannon

TEST PIT 1

Sam

ple

Type

Soil

Cla

ss

Soil

Gra

ph

Sam

ple

No.

EQUIPMENT: CAT Extendahoe

METHOD: Backhoe

TEST PIT COMPLETED: 5-22-07

DEPTH

DEP

TH (F

EET)

Moi

stur

eC

onte

nt (%

)

Fros

t Cla

ss

FIGURE 1

W.O. D59798

LOCATION: SEE TEST PIT LOCATION MAPELEVATION:Fr

ost D

epth

TD=14.0'

0

5

10

15

CLIENT: Aleutian Housing Authority

MATD

40

267

137

87

31

3.0

LOG

OF

EX

PLO

RA

TIO

N 5

9798

.GP

J B

LAN

K2.

GD

T 6

/29/

07

MA

SM

PT

GM

TD=10.0'

33

6.0

10.0

F3

F4

F2

MA

GRASS SURFACE

FILL, SILTY SAND WITH GRAVEL, dark brown, 21% gravel, 25%silt, gravel subrounded to 1", medium sand, ORGANICS present to15% by volume, (roots)

PEAT, brown

SILTY GRAVEL WITH SAND, mottled brown/gray, 24% sand,22% silt, gravel subangular to 3", medium sand, trace ofORGANICS (roots), cobbles to 5"

additional samples collected on 6-25-07exact depths unknown

BEDROCK encountered at about 10' while excavating

TEST PIT COMPLETED ON 5-22-07NO GROUNDWATER OBSERVED WHILE EXCAVATINGTEST PIT RE-EXCAVATED ON 06-25-07CLASSIFICATION AND DEPTHS BASED ON SAMPLESCOLLECTED BY AHA

LOCATION: SEE TEST PIT LOCATION MAPELEVATION:Sa

mpl

e N

o.

Soil

Gra

ph


Soil

Cla

ss

22

KEY= Mechanical Analysis= Total Depth= Grab Sample= SPT Sample= Shelby Tube - pushed= 2.5" I.D. Spoon Sample


Oth

er T

ests


Sam

ple

Type

LOG OF TEST PIT 2

TEST PIT 2

0

5

10

15

DEPTH

DEP

TH (F

EET)

Moi

stur

eC

onte

nt (%

)

Fros

t Cla

ss

FIGURE 2

W.O. D59798

Fros

t Dep

th


MATD



METHOD: Backhoe

211

GPGM

F1

11.0

2.0

10.0

LOG

OF

EX

PLO

RA

TIO

N 5

9798

.GP

J B

LAN

K2.

GD

T 6

/29/

07

9.0F1

76

F2

232

301

108

107

21

48

MA

GM

PT

28

GRASS SURFACEFILL, SILTY GRAVEL WITH SAND, dark brown, about 35% sand,15% silt, nonplastic, gravel subrounded to 1.5", medium sand,ORGANICS present to 5% by volume, (roots), DEBRIS present(wood)

PEAT, dark brown, fibrous

POORLY GRADED GRAVEL WITH SILT AND SAND, mottledgray/brown, 26% sand, 10% silt, gravel subrounded to 2", mediumsand, ORGANICS present to 10% by volume, (rootlets, in situplants)SILTY GRAVEL WITH SAND, mottled gray/brown, 31% sand,14% silt, nonplastic, gravel subrounded to 2", medium sand,ORGANICS present to 10% by volume, (rootlets, in situ plants),cobbles to 5"

TEST PIT COMPLETED ON 5-22-07NO GROUNDWATER OBSERVED WHILE EXCAVATINGCLASSIFICATIONS AND DEPTHS BASED ON SAMPLESCOLLECTED BY AHA

F4

MA

LOG OF TEST PIT 3


GM

KEY= Mechanical Analysis= Total Depth= Grab Sample= SPT Sample= Shelby Tube - pushed= 2.5" I.D. Spoon Sample


Oth

er T

ests


TEST PIT 3

Sam

ple

Type

Soil

Cla

ss

Soil

Gra

ph

Sam

ple

No.


METHOD: Backhoe


TD=11.0'

DEPTH

DEP

TH (F

EET)

Moi

stur

eC

onte

nt (%

)

Fros

t Cla

ss

FIGURE 3

LOCATION: SEE TEST PIT LOCATION MAPELEVATION:

W.O. D59798

Fros

t Dep

th

MATD


0

5

10

15

Client: Aleutian Housing Authority PARTICLE-SIZE

Project: Atka Housing DIST. ASTM D422Location: Test Pit 1 W.O. D59798 Depth 0' Lab No. 2007-783 Engineering Classification: Silty SAND , SMFrost Classification: Not Measured SIZE PASSING SPECIFICATION

+3 in Not Included in Test = ~%

3"2"1 1/2"1"3/4"1/2" 100%3/8" 100%No. 4 98%Total Wt. = 463.3g

No. 8No. 10 95%No. 16No. 20 91%No. 30No. 40 86%No. 50No. 60 73%No. 80No. 100 55%No. 200 36%Total Wt. of Fine Fraction = 453.4g

© Alaska Testlab, 1999 Particle Size (mm) 0.02 mm

David L. Andersen, P.E., Technical Advisor

Received: 6/21/07Reported: 6/26/07

#200

#100

#60

#40

#20

#10

#4

3/8"1/2"

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.0010.010.1110100

Perc

ent P

assi

ng b

y W

eigh

t

4040 B Street Anchorage Alaska 99503 • 907/562-2000 • 907/563-3953

David L Andersen


Project: Atka Housing DIST. ASTM D422Location: Test Pit 1 W.O. D59798 Depth 10' Lab No. 2007-784 Engineering Classification: Sandy SILT, MLFrost Classification: F4 SIZE PASSING SPECIFICATION


3"2"1 1/2"1"3/4"1/2"3/8" 100%No. 4 100%Total Wt. = 766.4g





#200

#100

#60

#40 #20

#10 #4

3/8"

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.0010.010.1110100

Perc

ent P

assi

ng b

y W

eigh

t


David L Andersen


Project: Atka Housing DIST. ASTM D422Location: Test Pit 1 W.O. D59798 Depth 13' Lab No. 2007-785 Engineering Classification: Silty GRAVEL with Sand, GMFrost Classification: Not Measured SIZE PASSING SPECIFICATION


3" 100%2" 93%1 1/2" 85%1" 78%3/4" 74%1/2" 67%3/8" 64%No. 4 54%Total Wt. = 3372g





#200

#100

#60

#40

#20

#10

#4

3/8"1/2"

3/4"1"

1 1/2"2"

3"

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.0010.010.1110100

Perc

ent P

assi

ng b

y W

eigh

t


David L Andersen


Project: Atka Housing DIST. ASTM D422Location: Test Pit 2 W.O. D59798 Depth 1' Lab No. 2007-786 Engineering Classification: Silty SAND with Gravel, SMFrost Classification: Not Measured SIZE PASSING SPECIFICATION


3"2"1 1/2"1" 100%3/4" 91%1/2" 85%3/8" 83%No. 4 79%Total Wt. = 539.4g





#200

#100

#60

#40

#20

#10

#4

3/8"1/2"

3/4"1"

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.0010.010.1110100

Perc

ent P

assi

ng b

y W

eigh

t


David L Andersen




3" 100%2" 50%1 1/2" 50%1" 47%3/4" 47%1/2" 47%3/8" 47%No. 4 46%Total Wt. = 1144g





#200

#100

#60

#40

#20

#10

#4

3/8"1/2"

3/4"1"

1 1/2"2"

3"

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.0010.010.1110100

Perc

ent P

assi

ng b

y W

eigh

t


David L Andersen


Project: Atka Housing DIST. ASTM D422Location: Test Pit 3 W.O. D59798 Depth 9' Lab No. 2007-788 Engineering Classification: Poorly Graded GRAVEL with Silt and Sand, GP-GMFrost Classification: Not Measured SIZE PASSING SPECIFICATION


3"2" 100%1 1/2" 93%1" 82%3/4" 72%1/2" 60%3/8" 50%No. 4 36%Total Wt. = 1643.3g

No. 8No. 10 28%No. 16No. 20 21%No. 30No. 40 17%No. 50No. 60 14%No. 80No. 100 12%No. 200 9.9%Total Wt. of Fine Fraction = 417.8g




#200

#100 #60

#40

#20

#10

#4

3/8"1/2"

3/4"1"

1 1/2"2"

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.0010.010.1110100

Perc

ent P

assi

ng b

y W

eigh

t


David L Andersen




3"2" 100%1 1/2" 80%1" 69%3/4" 63%1/2" 59%3/8" 55%No. 4 45%Total Wt. = 823g





#200

#100

#60

#40

#20

#10

#4

3/8"1/2"

3/4"1"

1 1/2"2"

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.0010.010.1110100

Perc

ent P

assi

ng b

y W

eigh

t


David L Andersen


Project: Atka Housing DIST. ASTM D422Location: Test Pit 3 W.O. D59798 Depth 10' (bucket) Lab No. 2007-790 Engineering Classification: Well Graded GRAVEL with Silt and Sand, GW-GMFrost Classification: Not Measured SIZE PASSING SPECIFICATION


3" 100%2" 94%1 1/2" 89%1" 78%3/4" 72%1/2" 63%3/8" 57%No. 4 45%Total Wt. = 13546g

No. 8No. 10 34%No. 16No. 20 25%No. 30No. 40 20%No. 50No. 60 16%No. 80No. 100 13%No. 200 9.5%Total Wt. of Fine Fraction = 409.8g




#200

#100

#60

#40

#20

#10

#4

3/8"1/2"

3/4"1"

1 1/2"2"

3"

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.0010.010.1110100

Perc

ent P

assi

ng b

y W

eigh

t


David L Andersen

Documents

GRASS SURFACE - Alaska DECdec.alaska.gov/water/vsw/projectsites/atkaproject/pdfs/Studies and... · GRASS SURFACE FILL, SILTY SAND WITH GRAVEL, ... 26% sand, 10% silt, gravel subrounded