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SITE

Environmental Earth Sciences

Terra

Associates, Inc.

Consultants in Geotechnical EngineeringGeology and

Figure 1

VICINITY MAP

0 2000 4000

APPROXIMATE SCALE IN FEET

REFERENCE: http://www.wsdot.wa.gov/data/tools/geoportal/ ACCESSED 2/23/17

Proj.No. T-7607 Date: AUG 2017

REDMOND, WASHINGTONHOLMGREEN SHORT PLAT

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REFERENCE:

REFERENCE ONLY AND SHOULD NOT BE USED FORDESIGN OR CONSTRUCTION PURPOSES.

DIMENSIONS ARE APPROXIMATE. IT IS INTENDED FOR

NOTE:

THIS SITE PLAN IS SCHEMATIC. ALL LOCATIONS AND

Consultants in Geotechnical Engineering

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Associates, Inc.

Geology andEnvironmental Earth Sciences

EXPLORATION LOCATION PLAN

Figure 2

LEGEND:

0 30 60

APPROXIMATE SCALE IN FEET

SITE PLAN PROVIDED BY CORE DESIGN.

APPROXIMATE TEST PIT LOCATION

TP-1

Proj.No. T-7607 Date: AUG 2017

REDMOND, WASHINGTONHOLMGREEN SHORT PLAT

TP-2

TP-3

IT-101

IT-102

IT-103

APPROXIMATE INFILTRATION TEST LOCATION

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6" PERFORATED DRAIN PIPE TAKENTO APPROVED POINT OF DISCHARGE(LOCATION TBD)

3/4" CRUSHED DRAIN ROCK

INSTALL DRAINPERPENDICULAR TO

FALL OF SLOPE

NOT TO SCALE

12" COMPACTED STRUCTURAL FILL

Environmental Earth Sciences

Terra

Associates, Inc.

Consultants in Geotechnical EngineeringGeology and

INTERCEPTOR DRAIN DETAIL

Figure 3Proj.No. T-7607 Date: AUG 2017

REDMOND, WASHINGTONHOLMGREEN SHORT PLAT

ATTACHMENT G

Proj.No. T-7607 Date: AUG 2017

REDMOND, WASHINGTONHOLMGREEN SHORT PLAT

Environmental Earth Sciences

Terra

Associates, Inc.

Consultants in Geotechnical EngineeringGeology and

TYPICAL SLOPE KEY AND BENCH DETAIL

Figure 4

NOT TO SCALE

6' (MIN.)

21

EXISTINGSLOPE TOE

NOTES:

1) STRUCTURAL FILL SHALL BE COMPACTED TO A MINIMUM OF 95%OF ASTM D 698 MAXIMUM DRY DENSITY VALUE.

TOE OF NEWFILL EMBANKMENT

KEYWAY

6' (MIN.)

2' (MIN.)

1

1

STRUCTURAL FILL(SEE NOTE 1)

TYPICAL SLOPE BENCH

CLEARED AND STRIPPEDNATIVE GROUND

1

1

2) DRAINS SHALL CONSIST OF 6" DIA. PERFORATED PVC PIPE ENVELOPEDIN 1 cu ft OF 3/4" WASHED GRAVEL. DRAIN PIPE SHALL BE DIRECTED TO

KEYWAY DRAIN(SEE NOTE 2)

THE STORM DRAIN SYSTEM OR APPROVED POINT OF DISCHARGE.

(SEE NOTE 3)

3) ADDITIONAL BENCHES AND BENCH DRAINS MAY BE REQUIREDBASED ON FIELD EVALUATION BY THE GEOTECHNICAL ENGINEER.

ATTACHMENT G

12"

COMPACTEDSTRUCTURAL FILL

EXCAVATED SLOPE(SEE REPORT TEXTFOR APPROPRIATEINCLINATIONS)

SLOPE TO DRAIN

12" MINIMUM 3/4"MINUS WASHEDGRAVEL

3" BELOW PIPE

12" OVER PIPE

4" DIAMETER PERFORATED PVC PIPE

SEE NOTE

6"(MIN.)

NOT TO SCALE

NOTE:

MIRADRAIN G100N PREFABRICATED DRAINAGE PANELS OR SIMILARPRODUCT CAN BE SUBSTITUTED FOR THE 12-INCH WIDE GRAVELDRAIN BEHIND WALL. DRAINAGE PANELS SHOULD EXTEND A MINIMUMOF SIX INCHES INTO 12-INCH THICK DRAINAGE GRAVEL LAYEROVER PERFORATED DRAIN PIPE.

Environmental Earth Sciences

Terra

Associates, Inc.

Consultants in Geotechnical EngineeringGeology and

TYPICAL WALL DRAINAGE DETAIL

Figure 5Proj.No. T-7607 Date: AUG 2017

REDMOND, WASHINGTONHOLMGREEN SHORT PLAT

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Environmental Earth Sciences

Terra

Associates, Inc.

Consultants in Geotechnical EngineeringGeology and

MAJOR DIVISIONS LETTERSYMBOL TYPICAL DESCRIPTION

GRAVELS

More than 50%of coarse fractionis larger than No.

4 sieve

CleanGravels (less

than 5%fines)

GW Well-graded gravels, gravel-sand mixtures, little or no fines.

GP Poorly-graded gravels, gravel-sand mixtures, little or no fines.

Gravels withfines

GM Silty gravels, gravel-sand-silt mixtures, non-plastic fines.

GC Clayey gravels, gravel-sand-clay mixtures, plastic fines.

SANDS

More than 50%of coarse fraction

is smaller thanNo. 4 sieve

Clean Sands(less than5% fines)

SW Well-graded sands, sands with gravel, little or no fines.

SP Poorly-graded sands, sands with gravel, little or no fines.

Sands withfines

SM Silty sands, sand-silt mixtures, non-plastic fines.

SC Clayey sands, sand-clay mixtures, plastic fines.

SILTS AND CLAYS

Liquid Limit is less than 50%

ML Inorganic silts, rock flour, clayey silts with slight plasticity.

CL Inorganic clays of low to medium plasticity. (Lean clay)

OL Organic silts and organic clays of low plasticity.

SILTS AND CLAYS

Liquid Limit is greater than 50%

MH Inorganic silts, elastic.

CH Inorganic clays of high plasticity. (Fat clay)

OH Organic clays of high plasticity.

HIGHLY ORGANIC SOILS PT Peat.

CO

AR

SE

G

RA

IN

ED

S

OIL

S

Mor

e th

an 5

0% m

ater

ial l

arge

rth

an N

o. 2

00 s

ieve

siz

e

FIN

E G

RA

IN

ED

S

OIL

S

Mor

e th

an 5

0% m

ater

ial s

mal

ler

than

No.

200

sie

ve s

ize

DEFINITION OF TERMS AND SYMBOLS

CO

HE

SIO

NL

ES

SC

OH

ES

IV

E

Standard PenetrationDensity Resistance in Blows/Foot

Very Loose 0-4Loose 4-10Medium Dense 10-30Dense 30-50Very Dense >50

Standard PenetrationConsistancy Resistance in Blows/Foot

Very Soft 0-2Soft 2-4Medium Stiff 4-8Stiff 8-16Very Stiff 16-32Hard >32

2" OUTSIDE DIAMETER SPILT SPOON SAMPLER

2.4" INSIDE DIAMETER RING SAMPLER ORSHELBY TUBE SAMPLER

WATER LEVEL (Date)

Tr TORVANE READINGS, tsf

Pp PENETROMETER READING, tsf

DD DRY DENSITY, pounds per cubic foot

LL LIQUID LIMIT, percent

PI PLASTIC INDEX

N STANDARD PENETRATION, blows per foot

UNIFIED SOIL CLASSIFICATION SYSTEM

Figure A-1Proj.No. T-7607 Date: AUG 2017

REDMOND, WASHINGTONHOLMGREEN SHORT PLAT

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