Report GEODESIGNv FIELD REPORT
Shawn Page 2 of 3
retaining walls stepping the grade down. After speaking with Seer,Dimke (GeoDesign), it is our opinion that there is
a low risk in pouring the slab as it is. It is recommended that prior to any loading on the slab the adjacent slope be
.loiepc ortcr. filled to an average slope of 2H:1V (horizontal: vertical) or flatter.
Observed Damage GeoGrid- Lot 72 Retaining Wall
While onsite, crews directed me to a section of geogrid that had been damaged during trench construction, Crews
had damaged the top layer of the geogrid.The section damaged is approximately 1 d' in length.The exposed wall
height in the location is approximately 5' and the trench behind ranges from approximately 2.5' to 4' depth from
east to west. There appears to be approximately 2.5' to 3' of undamaged geogrid and backfill directly adjacent to
the wall (see images below). GeoDesign will confirm the numbers, but it is our preliminary opinion that damaged
geogrid will need to be removed and replaced back to its original condition.
Distribution:
Attachments: Site Plan (2), Photo(5)
Reviewed by: srm
This report presents opinions formed as a result of our observation of activities relating to geotechnical engineering or environmental services.We rely on the contractor to comply with the plans and
specifications throughout the duration of the project irrespective of the presence of our representative;Our work does not include supervision or direction of the contractor,the contractor's employees
or agents;Our firm is not responsible for site safety,This field report is a DRAFT representation of our field observations,testing,and preliminary recommendations, The report can only be
considered final upon review of the GeoDesign project manager,as indicated by initials in the"Reviewed By.section.
Signature: (,, ,—
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Slope in Lot 69 from base of slope
15575 SW Sequoia Parkway,Suite 100 I Portland,OR 97224 I Off 503.968.8787 I Fax 503.968.3068
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EODESIGN� FIELD REPORT
Page 3 of 3
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( "POLYGON AT WEST RIVER TERRACE" .--
LOTS 129-133 l_c,"1- 1 5 1
HUB AND TACK CERTIFICATION
NE & SE 1/4 SEC. 6, T 2 S, R 1 W, W.M. /457-Z04-00 3‘
CITY OF TIGARD, WASHINGTON COUNTY, OREGON
SURVEYED SEPTEMBER 28, 2016
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— PREPARED FOR:
POLYGON NORTHWEST COMPANY
109 E. 13TH ST.
SW JEAN LOUISE ROAD VANCOUVER, WA. 98660
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..c, I, TRAVIS C. JANSEN, A REGISTERED PROFESSIONAL LAND SCALE
2 SURVEYOR IN THE STATE OF OREGON, HEREBY CERTIFY THAT 20 0 10 20
° I HAVE ACCURATELY SURVEYED AND STAKED THE OFFSETS in.m...ealmmellilill
5-) TO THE FOUNDATION ENVELOPE FOR LOTS 129-133 OF THE 'I INCH = 20 FEET
2 PLAT OF "POLYGON AT WEST RIVER TERRACE".
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-- DRAWN BY:____T2 DATE: 10/3/16
o PACIFIC COMMUNITY DESIGN
:4 REVIEWED BY: TCJ DATE: 10/3/16
z PLANNING - ENGINEERING - SURVEYING
PROJECT NO : 395-029
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