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GEODESIGNk FIELD REPORT
Page 1 of 1
GDI Project: Polygon-113-05 PreparedBy: Jessica Pence
Project Name: Roshak Ridge Date: 03/15/2019
Location: SW Bull Mountain Road and SW Roy Rogers Report#: 1 33C
Road,Tigard
Arrival: 1300 Departure: 1400
Weather: Clear, 50's Permit#: TBA
Site Visit Requested By: Angela(Polygon) Met With (on site): ° Angela
Purpose: Observe Lot 84 Subgrade
Outstanding Issues: 4 . ., ; , *RESOLVED*
I observed crew had placed and compacted over lot 84 subgrade (see site plan). Angela with Polygon informed me
crew had removed the previously observed muck from the eastern half of the lot, and placed approx. 2-inches to 3-
inches of crushed rock. We recommend compaction of the loose crushed rock. I was informed crew had over-
excavated approx. 18-inches to firm brown silt subgrade in the approx. footing areas. Using a 3/"diameter steel pin
and 61b sledge, I observed the relative compaction of the crushed rock backfill. Pin resistance (number of blows
required to drive the pin 12") indicated generally dense conditions. I was informed the area for the garage and
driveway will receive approx. 18-inches to 36-inches of granular fill, and the multi-use trench compacted at a later
date.
Based on our observations and conversations with Polygon, it is our opinion Lot 84 observed today, as indicated on
the attached site plan, is being prepared in general accordance with our geotechnical recommendations.
Distribution:
Attachments: Site Plan (1) ;/T
Reviewed by: ,, `M //1-'1
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,
4111111100
Signature: , ,A A
9450 SW Commerce Circle,Suite 300 I Wilsonville,OR 97070 1503.968.8787 I www.geodesigninc.com
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1415T'29145-Q°336 CITY OF TIGARD, WASHINGTON COUNTY, OREGON 11414 761
SURVEYED DECEMBER 6, 2018
PREPARED FOR: I
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E I, TRAVIS C. JANSEN, A REGISTERED PROFESSIONAL LAND
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5 AND 86 OF THE PLAT OF "POLYGON AT ROSHAK RIDGE".
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2 f DRAWN BY: FAA DATE:12/06/18
p_. PACIFIC COMMUNITY DESIGN
REVIEWED BY: 12 DATE:12/06/18
PLANNING - ENGINEERING -SURVEYING
k PROJECT NO.: 395-010
N..._ (503) 941-9484