Report 02/27/2008 00:28 503443 '' BUENA VISTA PAGE 02/02
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Real -World Geotechnical Solutions
Investigation • Design • Construction Support
February 26, 2008
Project No. 08 -1389
Buena Vista Custom Homes ,�15 _ CO/ 9
5665 SW Meadows Rd. #150 / 272 / ' tAl te)0 r).< T
Lake Oswego, OR 97034
Fax 503- 443 -2443
FOUNDATION EXCAVATION REVIEW
LOT 5 — MILESBROOK
CITY OF TIGARD, OREGON
On February 26, 2008, GeoPacific Engineer, Jim Imbrie, isited the above - mentioned Lot 5 to review
foundation excavation subgrade bearing conditions. Part al formwork was in place and the area had
been covered by a thin layer of gravel. We understan• that the proposed residence is a two - story
single- family home with slab -on -grade garage floor. The excavation probed medium stiff for two feet
depth and stiff below. The subgrade soil consisted of m -dium stiff to stiff native silt where exposed.
The observed subgrade was adequate for spread faundaton support to a maximum allowable bearing
pressure of 1,500 psf. Settlements should be limited I to le .s than 1 inch total and 3/4 inch differential. If
desired, expected settlements can be limited furrier b assuming a 1,000 psf allowable bearing
pressure and making the footings about 2 feet wide. N• deck footing, patio, or other appurtenant
structure subgrades were observed.
Our work scope pertains to a geotechnical enginr,aer's oundation excavation review only and the
conditions existing and exposed at the time of our site visit. No warranty is herein expressed or
implied, If you have any questions, please call.
Sincerely,
GeoPacific Engineering, Inc.
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EXPIRES: 06- 30.202
James D. Imbrie, P.E.
Geotechnical Engineer
73(2 SW Durham Road Tel (503) 598 -8445
Portland, Oregon 97224 Fax (503) 598 -8705
04/03/2008 09:40 5036580204 BUTLER CONSULTINGINC PAGE 02
16110 SE Goosehollow Drive
Butler Damascus, Oregon 97089 (503) 658
Consulting Inc. (503) 658 -0204 Fax
PROJECT MEMORANDUM
To: Buena Vista Homes BCI Job No: 142 - 100752
Project: Milesbrook — Lot 7 Subject: BVH -2550
Date: April 2, 2008 Rear Window Header
This Project Memorandum is issued to Buena Vista Homes for the BVH -2550 plan under
construction on. Lot 9 in the Miles Brook development in Tigard, Oregon regarding a header over
the rear window in the great room.
The joist layout calls for a 3 x 14" LVL header over the 8'wide great room rear window on the
main floor. A 3V2 x 11 LVL was installed which is inadequate. This header can be reinforced by
adding a 1% x 11 LV on the inside face of the existing header and bearing on the wall studs at
each end The added beam should be attached to the existing header with 16d nails spaced @ 6" on
center staggered top and bottom.
Please call if you have any questions or need further clarification.
Respectfully submitted,
'p PROF
BUTLER CONSULTING, INC. � 14855 Y
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OREGON
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Mark Butler, PE, SE
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President E. V
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