Plans "RIVER TERRACE NORTHWEST" �
LOT 18 PS
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HUB AND TACK CERTIFICATION
NE CITY OFDSE TIGARD,4WASHINGTON COUNTY, OREGON I? (e5 2. s& i%/4. gi
SURVEYED DECEMBER 2, 2015 L.
LOT PREPARED FOR:
24 POLYGON NORTHWEST COMPANY
109 E. 13TH ST.
VANCOUVER, WA. 98660
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RENEWS: 6/30/2017
°i I, TRAVIS C. JANSEN, A REGISTERED PROFESSIONAL LAND SCALE
O SURVEYOR IN THE STATE OF OREGON, HEREBY CERTIFY THAT 20 0 10 20
6 I HAVE ACCURATELY SURVEYED AND STAKED THE ` `I
$ FOUNDATION FOR LOT 18 OF THE FUTURE PLAT OF 1 INCH = 20 FEET
r / "RIVER TERRACE NORTHWEST".
2P:/ DRAWN BY: T2 DATE: 12/2/15 PACIFIC COMMUNITY DESIGN
a REVIEWED BY: ICJ DATE: 12/2/15
Z 395-037 PLANNING - ENGINEERING - SURVEYING
PROJECT NO.: (503) 941-9484
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=DESIGN`S FIELD REPORT
Page 1 of 1
GDI Project: Polygon-130-05 Prepared By: Kylean Gunhus
Project Name: River Terrace Northwest Date: December 4, 201 5
Location: 17192 SW Holly Ridge Ln, Tigard Report#: 33.1
Arrival: 0800 Departure: 0915
Weather: Cloudy, 40's Permit#: MST2015-00198
Site Visit Requested By: Tim (NEI) _ Met With (on site): NEI Crews
Purpose: Evaluate Subgrade for Lot 18
Outstanding Issues: FR25A (1 1/1 1) Plug Tract B Stormwater Pond Sinkhole
FR33 (12/4) Low Density Trench Backfill on SW Aubergine Terrace
While onsite for other earthwork activities, I observed that NEI crew members had prepared subgrade for lot 18.
Using a1/2" diameter foundation probe, I evaluated the subgrade approximately every 15 square feet. Subgrade
consisted of brown silt. Probe penetration ranged from 2 to 8 inches. Based on penetration resistance, the subgrade
appeared medium-stiff to stiff.
Based on observations and probing, the subgrade for lot 18 has been prepared in accordance with our geotechnical
recommendations.
Distribution:
Attachments: Site Plan (1)
Reviewed by: M\O
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:
15575 SW Sequoia Parkway,Suite 100 I Portland,OR 97224 I Off 503.968.8787 I Fax 503.968.3068