Seattle Monorail ProjectSeattle, Washington

SHANNON & WILSON, INC.

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1.

2.

This figure is based on drawings and aerial photographs provided by Bechtel/Jacobs and the City of Seattle. The alignment and stations were compiled from the following files received 12-1-03: gl01-00-H.dwg, gl02-00-plan-H.dwg, gl03-00-H.dwg, gl04-00-H.dwg, gl05-00-plan-H.dwg, gl06-00-plan-H.dwg and the following files received 12-4-03: Station Locations_North-031202.dwg, Station Locations_South-031202.dwg.

Vertical datum: NAVD88.

NOTES

SD-200

Project Boring Designation and Surveyed LocationSD-100

187-1260

Cone Penetration Test (CPT) Designation and Approximate LocationResearch Boring Designation and Approximate LocationPreliminary Staff Recommended Alignment for Green LineTopographic Contours With Elevation in Feet

FIG. 3

LEGEND

21-1-09910-101

SITE AND EXPLORATION PLANSODO SEGMENT

February 2004

Seattle Monorail ProjectSeattle, Washington

SHANNON & WILSON, INC.

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STATIONING BETWEEN MATCHLINES

375+00 to 390+00

NOTES

This figure is based on drawings and aerial photographs provided by Bechtel/Jacobs and the City of Seattle. The alignment and stations were compiled from the following files received 12-1-03: gl01-00-H.dwg, gl02-00-plan-H.dwg, gl03-00-H.dwg, gl04-00-H.dwg, gl05-00-plan-H.dwg, gl06-00-plan-H.dwg and the following files received 12-4-03: Station Locations_North-031202.dwg, Station Locations_South-031202.dwg.

Vertical datum: NAVD88.

1.

2.

187-1260

SD-100 Project Boring Designation and Surveyed Location

Research Boring Designation and Approximate Location

Preliminary Staff Recommended Alignment for Green Line

Topographic Contours With Elevation in Feet FIG. 3

LEGEND

21-1-09910-101

SITE AND EXPLORATION PLANSODO SEGMENT

February 2004

SHANNON & WILSON, INC.

Seattle Monorail ProjectSeattle, Washington

PROFILE LEGEND ANDGEOLOGIC UNIT EXPLANATION

21-1-09910-101February 2004

FIG. 4

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NOTES

Ground surface shown was constructed from digital elevation data provided by Bechtel/Jacobs and the City of Seattle.

Elevation Datum: North American Vertical Datum of 1988 (NAVD88).

Subsurface conditions shown are generalized from soils encountered in project borings and from logs of borings previously completed for other projects along the alignment. Variations between the profile and actual conditions may exist.

Projections are taken from the southbound track alignment in areas where two tracks are present.

Potentially liquefiable zones were identified using the following criteria:

a. the factor-of-safety against liquefaction for the soil sample at the corresponding depth was found to be less than 1.0 (FS liq<1.0) using the procedures described by Youd et al., 2001, or

b. the adjacent soil samples above and below a given soil sample were both found to have FS liq,1.0 using the procedures described by Youd et at., 2001, regardless of the FS liq calculated for the given sample.

Soil in the EE(A) zone is potentially liquefiable during an earthquake of magnitude (Mw) 6.75 and having a peak ground acceleration (PGA) of 0.15g.

Soil in the EE(B) zone is potentially liquefiable during an earthquake of magnitude (Mw) 7.5 and having a peak ground acceleration (PGA) of 0.20g.

Soil in the MCE zone is potentially liquefiable during an earthquake of magnitude (Mw) 7.5 and having a peak ground acceleration (PGA) of 0.30g.

See Data Report for groundwater fluctuations.

The description of each geologic unit includes only general information regarding the environment of deposition and basic soil characteristics. See text of report for additional discussion of geologic units.

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

? ?

?

Boring DesignationProjected Distance (See Note 4)

Pushed Sample

SPT Sample; Standard Penetration Resistance in Blows per Foot or Blows per Inches Driven

Groundwater Level Noted

Approximate Geologic Contact

Approximate Top of Glacially Overridden Soil

Bottom of BoringDate Completed

?

(Proj. 68' W)271-1656

PROFILE LEGEND

Boring Designation Projected Distance (See Note 4)

Ground Surface

USCS Symbol (See Figure 5)

Sample and Penetration Resistance in Blows/Foot or Blows/Inches Driven (e.g., 50/6")

Explanation of Sample Types Shown at Left (Length of symbol corresponds to length of sample)

EE(A) (See Note 6)

EE(B) (See Note 7)

MCE (See Note 8)

Approximate Top of Glacially Overridden Soil

Approximate Geologic Contact

Bottom of BoringDate of Completion

?

Water Level- Observation Well

Well Screen

Filter Pack

Water Level - Vibrating Wire

Piezometer (VWP)

VWP Transducer

?

SD-101(Proj. 58' NE)

PROJECT BORING PREVIOUS BORING

(By Shannon & Wilson or others)

(Proj. 21' N)SD-201 Cone Penetration Test (CPT) Designation

Projected Distance (See Note 4)

Ground Surface

EE(A) (See Note 6)

EE(B) (See Note 7)

MCE (See Note 8)

Approximate Top of Glacially Overridden Soil

Approximate Geologic Contact

Uncorrected Tip Resistance

PROJECT CONE PENETRATION TEST

??

Groundwater Level During Cone

Penetration Test

USCS Symbol(See Figure 5)

Bottom of Cone Penetration Test

Date of Completion

QUATERNARY VASHON DEPOSITS

GLACIALLY OVERRIDDEN

TILL: Lodgment till laid down along the base of glacial ice.Gravelly silty Sand, silty gravelly Sand ("hardpan"); cobbles and boulders common; very dense.

TILL-LIKE DEPOSITS (DIAMICT): Glacial deposit intermediate between till and outwash; subglacially reworked.Silty gravelly Sand, silty Sand, sandy Gravel; highly variable over short distances; cobbles and boulders common; dense to very dense.

ADVANCE OUTWASH: Glaciofluvial sediment deposited as the glacial ice advanced through the Puget Lowland.Clean to silty Sand, gravelly Sand, sandy Gravel; dense to very dense.

GLACIOLACUSTRINE DEPOSITS: Fine-grained glacial flour deposited in proglacial lake in Puget Lowland.Silty clay, Clayey Silt, with interbeds of Silt and fine Sand; locally laminated; scattered organic fragments locally; hard or dense to very dense.

NON OVERRIDDEN

Hp

Qvri

Ha

Qvrl

QUATERNARY PRE-VASHON DEPOSITS

QUATERNARY VASHON DEPOSITS

HOLOCENE DEPOSITS

Hls

FLUVIAL DEPOSITS: Alluvial deposits of rivers and creeks.Clean to silty Sand, gravelly Sand, sandy Gravel; very dense.

LACUSTRINE DEPOSITS: Fine-grained lake deposits in depressions, large and small.Fine sandy Silt, silty fine Sand, clayey Silt; scattered to abundant fine organics; dense to very dense or very stiff to hard.

PEAT DEPOSITS: Depression fillings of organic materials.Peat, peaty Silt, organic Silt; hard.

LANDSLIDE DEPOSITS: Heterogeneous deposits of landslide debris.Chaotic mixture of silt, sand, clay, and gravel; may contain wood and other organics; hard or very dense.

OUTWASH: Glaciofluvial sediment deposited as the glacial ice advanced or retreated through the Puget Lowland.Clean to silty Sand, gravelly Sand, sandy Gravel; very dense.

GLACIOLACUSTRINE DEPOSITS: Fine-grained glacial flour deposited in proglacial lake in Puget Lowland.Silty Clay, clayey Silt, with interbeds of Silt and fine Sand; very stiff to hard or very dense.

TILL: Lodgment till laid down along the base of glacial ice.Gravelly silty Sand, silty gravelly Sand ("hardpan"); cobbles and boulders common; very dense.

TILL-LIKE DEPOSITS (DIAMICT): Glacial deposit intermediate between till and outwash; subglacially reworked.Silty gravelly Sand, silty Sand, sandy Gravel; highly variable over short distance; cobbles and boulders common; very dense.

GLACIOMARINE DEPOSITS: Till-like deposit with clayey matrix deposited in proglacial lake by icebergs, floating ice, or gravity currents.Variable mixture of Clay, Silt, Sand, and Gravel; scattered shells locally; cobbles and boulders common; very dense or hard.

Hf

He

Hb

Hl

Hrw

Qvt

QvroRECESSIONAL OUTWASH DEPOSITS: Glaciofluvial sediment deposited as glacial ice retreated.Clean to silty Sand, gravelly Sand, sandy Gravel; cobbles and boulders common; loose to very dense.

RECESSIONAL LACUSTRINE DEPOSITS: Glaciolacustrine sediment deposited as glacial ice retreated.Fine Sand, Silt, and Clay; dense to very dense, soft to hard.

ICE-CONTACT DEPOSITS: Heterogeneous soils deposited against or adjacent to ice during the wasting of glacial ice; commonly reworked.Stratified to irregular bodies of Gravel, Sand, Silt, and Clay; loose to dense.

ABLATION TILL: Heterogeneous soils deposited during the wasting of glacial ice; generally not reworked.Gravelly silty Sand, silty gravelly Sand, with some clay; cobbles and boulders common; loose to very dense or soft to hard.

FILL: Fill placed by humans, both engineered and nonengineered.Various materials, including debris; cobbles and boulders may be common; commonly dense or stiff if engineered, but very loose to dense or very soft to stiff if nonengineered.

LANDSLIDE DEPOSITS: Deposits of landslides, normally at and adjacent to the toe of slopes.Disturbed, heterogeneous mixture of one or more soil types; may contain wood and other organics; loose or soft, with random dense or hard pockets.

ALLUVIUM: River or creek deposits, normally associated with historical streams, including deltaic and overbank deposits.Sand, silty Sand, gravelly Sand; very loose to very dense.

PEAT DEPOSITS: Depression fillings of organic materials.Peat, peaty Silt, organic Silt; very soft to medium stiff.

ESTUARINE DEPOSITS: Fine-grained sediments deposited in brackish water associated with rivers and streams located along the present and former Puget Sound shoreline.Clayey Silt, silty Clay, Silt, and fine Sand; organics and shell fragments common; very soft to very stiff or very loose to medium dense.

LAKE DEPOSITS: Depression fillings of fine-grained soils.Sandy Silt, Silt, clayey Silt, silty Clay; commonly with scattered organics; very soft to stiff or very loose to medium dense.

BEACH DEPOSITS: Deposits along present and former shorelines of Puget Sound and tributary river mouths.Silty Sand, sandy Gravel, gravelly Sand, wood and shell debris common; loose to dense.

REWORKED GLACIAL DEPOSITS: Glacially deposited soils that have been reworked by fluvial or wave action.Sand, silty Sand, gravelly Sand; lies on top of glacially overridden soils; loose to dense.

Qvd

Qvgl

Qpnf

Qpnl

Qpnp

Qpls

Qpgo

Qpgl

Qpgt

Qpgd

Qpgm

Qva

Qvat

GEOLOGIC UNIT EXPLANATION

??

??

84/11"

100/2"

08-27-03

50/5"

50/3"

50/4"

50/4"

92

50/3"

8

0

6

12

14

8

38

24

11

21

25

24

23

23

5

24

23

4

20

7121519

7

SD-106

03-01-7125

31

07-24-91

03-05-71

02-09-88

41

22

57

15

9

9

1799959

(Proj. 61' W)111-0855

5

2

4

18

3

8

1 10

2

6

81410

21

10

3

58788

(Proj. 9' W)080-0660

(Proj. 172' SE)

(Proj. 147' NW)129-0975

080-0659

HfHfHfHfHfHf

Ha/HeHa/He Ha/He

Qpgl/Qpgm

He He He

He/Ha

Qvrl

Hrw/Qvrl

Qpgo

Mat

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Hrw/Qvrl

Mat

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S Forest St S Lander St PROPOSEDLANDERSTATION

1st Ave S

23 31 12

28 16

50/5" 50/6"

50/6"08-22-03

50/5"

50/5"

76

41

08-27-03

08-28-0369

54

73

14

61

50/6"

5

3

7

16

4

0

4

5

15

0

72/11"

50/6"

50/6"

50/6"

81

50/5"

28

51

43

64

50/5"

60

11 312

8

2/12"

029

16

21

3

35

12

33 17

228

19

20

21

13

36

35

25

23

56

27

23

28

29

30

47

33

33

30

25

30

47

42

20

26 29

19

22

26

18

32

22

27

0

0

0

11

31

25

12

43

25

16

17

2

0

8

18

22

1

31

37

33

8

6

12

2

9

25

25

33

35 427

14

3

18

13

21

12

1428

18

232215

125

12 31461115

523311

37 9

SD-107 SD-108(Proj. 6' W)

QpglQpgl/Qpgm

24

07-24-91

29

27

1515

10

9

24855128

(Proj. 31' E)069-0538

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SODO SEGMENTFebruary 2004 21-1-09910-101

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Horizontal Scale in FeetVertical Exaggeration 2.5x

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Vertical Scale in Feet

NOTESee Figure 4 for Legend and Geological Unit Explanation

358+00

345+00 346+00 347+00 348+00 349+00 350+00 351+00 352+00 353+00 354+00 355+00 356+00 357+00

359+00 360+00

(Proj. 94' NW)057-0458

10

01-01-91

972

0

112-0864(Proj. 82' W)

HfHfHf

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He

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Ha/He

He

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ePROPOSEDLANDERSTATION

Occidental Ave S & Santa Fe RailroadBurlington Northern

Hrw/Qvrl

Mat

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10-31-03

200 0

10-28-030

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(Proj. 52' SE)

SD-203A

SD-203(Proj. 50' SE)

Moved SD-203For Clarity

1419

0

09-19-03

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35

4

4

50/6"

50/5"

50/3"

2

10

26

12

13

2

13

22

32

94

10-10-03

34

51

09-22-03

22 93

24

28

32

34

28

60

91

46

71

7428

0 0

000

2

19

0

27

0

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0

08-13-03

50

54

58

14

6

3

25

24

3

4

12

23

19

22

4

6

0

20

3

13

18

23

20

8

9

18

20

21

24

15

14 9

0000

0

0

0

4

2

1

14

8

1

2 21

14

21

25

14

16

12

11

12

16

6

37

54

49

72

0

33

30

1

7

12

8

0

15 7

6

12

10

1

12

10

3

9

15

12

9

8

3 7

15

15

20

13

17

24

6

8

6

23

13

21

28

14

22

19

22

27

26

24

11

17

3813412

31

SD-109(Proj. 35' NW)

9 10210118

1101112

241

001

00010

13

2511

SD-110 SD-122(Proj. 6' SE) (Proj. 32' SE)

SD-113(Proj. 32' W)

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Seattle Monorail ProjectSeattle, Washington

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Horizontal Scale in FeetVertical Exaggeration 2.5x

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Vertical Scale in Feet

NOTESee Figure 4 for Legend and Geological Unit Explanation

360+00 361+00 362+00 363+00 364+00 365+00 366+00 367+00 368+00 369+00 370+00 371+00 372+00

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10

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57

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50/3"

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85

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0

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SD-116(Proj. 29' W)

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01-01-90

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1381101

01-01-912

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7

5

3

2

112-0866

17

(Proj. 68' W) 113-0870(Proj. 99' W)

HfHf

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Ha/HeHa/He

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Hrw/Hb

Hrw

Hrw/Hb

Hf/He Hf/HeHf/He

Mat

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Mat

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S Holgate St

17 25

08-19-03

3 46

92 50/3"

76

42

43

50/5"

83/11"

71

56

08-15-03

31 57

50/4"

100/10"

50/5"

50/6"

5

3

50/4"

54

11 4

31

21

14

2

27

54

11

3

21

2

18

5

12 22

16

2

5

4

10

13

24

30

11

0

112

15

002

18

4815

201

SD-114(Proj. 32' W) (Proj. 28' W)

SD-115

He/Ha

Hf

Hrw

Qpgl

Qpgl

QpglQpgl

Qpgm

Qpgm

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SODO SEGMENTFebruary 2004 21-1-09910-101

Seattle Monorail ProjectSeattle, Washington

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40

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FIG. 5Sheet 5 of 9

Existing Ground Surface

-280

-240

0 100 200

Horizontal Scale in FeetVertical Exaggeration 2.5x

0 40 80

Vertical Scale in Feet

NOTESee Figure 4 for Legend and Geological Unit Explanation

390+00

375+00 376+00 377+00 378+00 379+00 380+00 381+00 382+00 383+00 384+00 385+00 386+00 387+00

388+00 389+00