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x FIELD REPORT
Page 1 of 1
\`� i GDI Project. Polygon-126-07
I N, 3 1 Prepared By. Dan Boileau
�e .,' z' ,El Project Name: South River Terrace Phase 1 03/6/2023
.° w7a a: = Location: SW Bull Mountain Road and SW Roy Report#: 149
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1 i s : Ii,J a r„ Rogers Road, Tigard
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Arrival: 0815
Departure: 0900
�a... ' — _-✓ i .' Weather. Cloudy, 40s Permit#:
171 Ili
19 \ Site Visit Requested By Rob (Taylor Morrison) Met With (on site): Rob (Taylor Morrison)
it 4 ° • R2 ; Purpose: Observe Lot 37 (Bldg_ 4) subgrade
1 J C t ,' -- r b' Outstanding Issues: FR 79 -Soft Spots, 3 lots on north side of Beemer, west of 165'Avenue (9/22/21)
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1 r=„i. z Ii r I I observed crews had excavated to design subgrade elevation and placed approx. 1-2" of what appeared to be 1 Y2'-O
=1 i _ crushed recycled concrete. I evaluated the subgrade and base rock using a'/ inch diameter steel foundation probe.
I II � � ..L A 2 Based on penetration resistance, native brown silt, trace sand subgrade observed today generally appeared to be
1 y_., - j 4' • ,3 a 31 13 3 medium-stiff to stiff and the base rock observed today appeared to be loose. Under foundations, we recommend
'r J light compaction until base rock is well keyed and firm under foot. We recommend rock be well-keyed and firm
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IF under foot at the time of concrete pour.
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' u Y —__ t I observed 3 areas where approx. 1-1 .5' of open grade angular drain rock had been placed over corrugated pipe. We
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.. T recommend any areas of continuous footing perpendicular) traversin trench backfill be compacted until well keyed
, f,r,. 4 f . -N ' �� ,� , b -W and dense. If pad footings or continuous footings reside on trench backfill, we recommend NV5 be notified for
_ 4x N� a further observations and recommendations.
1 ! P4 v a m " 1� _ - 4 Based on our observations and probing, it is our opinion the exposed subgrade & base rock at the locations and
1 t ° a !_ °� v ° _ 4 3 g elevations noted above is being prepared in general accordance with the project geotechnical report and our field
„ '� In 1 recommendations provided aforementioned recommendations are enacted.
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co 'I - 3 a = •' 1 u t ' - ` - ` Distribution:
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O i� N �_ -_ j �, _ I Attachments: Site plan (1)
U. . 1 l Reviewed by:
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CV UCD
"..wmae ..T.. ....yes 111E11M
— _ _ t, i , - = specifications throughout the duration of the project irrespeOive of the presence of our representative. Our work does not include supervision or di ection th t ct , ntractor plansm and
0 O® This report presents opinions formed as a result of our observation of aca»ties relatingto geotechnical engineering or environmental services We relyon th on o towith the
'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 eco men 1,?/
report can only be
_ ���®�� considered final upon review of the NVS project manager,as indicated by initials in the"Reviewed By section.
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O~ 0_ _ .— — --- �— — '` Signature:
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9450 SW Commerce Circle,Suite 300 I Wilsonville,OR 97070 1503.968.8787 I www.geodesigninc.com