Report (31) SFA Dosign 6rn?up. LLE
STRUCTURAL I CIVIL GEOTECHNICAL I LAND USE PNNING
9020 SW Washington Square Drive,Suits 50$,Portland,Oregon 91223
1813 Rutan Drive.Suite C,Livermore,California 94551
1912$144th Sures,Soattfe.Washington 9b1O8
p:5034414311 www.sfadg.com
Special Inspection
FINAL SUMMARY REPORT
October 10,2018
City of Tigard-Building Codes Division
ATTN: Special Inspections Section
13125 SW Hall Blvd.,
Tigard, OR 97223
RE: Project Name: Butler Residence Underpinning
Project No.: TF18-159
Permit No.: MST2018-00254
Address: 9220 SW Millen Dr.,Tigard,OR 97224
Dear Building Inspection Division:
This letter serves to certify that in accordance with Chapter 17 of State and International Building Code
requirements outlined in the General Structural Notes on S1.1 of the approved permit drawings, SFA Design
Group,LLC has performed special inspection as detailed below.
The inspector observed the installation of FSI HP288 helical piers,verifying pier locations,installation depth,
installation pressure,bracket type,pier type,pier diameter and thickness. To confirm pier capacity,load tests
were observed following installation and the results were within approved allowances. Please see attached field
installation logs and load test data dated 10/10/18. All anchors were installed per the intent of the design and any
installation deviations were reviewed and approved by this office with no outstanding non-compliance items.
Our inspection and testing services do not constitute a warranty or guarantee of any type and were provided and
intended to help reduce the risk of construction defects,deficiencies or omissions that may arise during and after
construction.It is the contractor's responsibility to perform their work in accordance with the approved
construction documents.All inspections and tests were performed and reported according to the requirements of
the City Building Regulations and these Administrative Rules and,to the best of my knowledge,the work was in
conformance with the applicable workmanship provisions of the State Building Code and Standards.
Sincerely,
t ,o PRO14P
59022PE
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Curtis Blank
Engineer in Training
ORitION
Cc: Jay Beck,TerraFinna Foundation Systems s Ate 09-
Reviewed by: Jeff Fitch,PE,P.Eng, SFA Design Group,LLC EXP LES: 12-31-19
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5FA Ellioligra C:rnup. >LLic
STRUCTURAL I CIVIL I GEOTECHNICAL I LAND USE PLANNING
9020 SW Washington Square Dr., Suite 505, Portland, OR 97223
1813 Rutan Dr., Suite C, Livermore, CA 94551
�� 1912 S 146th St., Seattle, WA 98168 T/r�Ar
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P: (503) 641-8311 w .sfadg.com lJ
FIELD INSTALLATION LOG
Project Name: Zu le P ! '' Contractor: ref-rick Fi
Site Address: _ A „.I -' "' �e.--1I� VI i Project Foreman: Ty/el
Install Date: ) -siil RPermit Number: 2 ,t#1) .F s,,,
Inspector Arrival: ! Inspector Departure: Contractor Arrival:
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Inspector Name: A Jurisdiction:
I Pier Wall Pier Segment Installation
Location Part Description '- Pier OD,in Thickness,in Length,ft } Pressure,psi }
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Non-Compliance Items:
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Inspector Signature: ` 3
Rev 2016.01.25
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