2086_001.pdfsfa
July 30, 2019
City of Edmonds Building Permits
Planning & Public Works
ATTN: Special Inspections
sFl\ treslgn ErouÞ, LLtr
STRUCTURAL I TEOTECHNICAL I SPECIAL INSPECTIONS
PORTLAND, OR I LIVERMORE, CA I SEATTLE, WA I PALMER LAKE, CO
503.64'1.83.l I I www'sfadg.com
Special Inspection
F'INAL SUMMARY REPORT
RE:Project Name:
Project No.:
Permit No.:
Address:
Sutherland Residence Underpinning
MFR19-059
BLD20790721.
21615 84th PLw, Edmonds, WA 98026
Dear Building Inspection Division:
This letter serves to certify that in accordance with Chapter 17 of the International Building Code requirements
outlined in the General Structural Notes on Sl.i of the approved permit drawings, SFA Design Group, LLC has
performed special inspection as detailed below.
The inspector observed the installation of (B) FSI PP288 push piers, verifying pier locations, installation depth,
installation pressure, bracket type, pier type, pier diameter and thickness. To confirm pier capaeily,load tests
were observed following installation and the results were within approved allowances. Please see attached field
installation logs and load test data dated, 0712912019 - 0713012019. 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. A1l 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,
Christopher Fitch
Engineer Technician IV - SFA Design Group
Cc: Olga Ticot, Matvey Foundation Repair
Reviewed by: Jeff Fitch, PE, P.Eng, SFA Design Group, LLC
EXPiRFS: 1l/21Jlt
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SFA Design Grsu¡r, nr
5TßUSTURAL I Çrvll I cEoT[cHNtcaL I LANDUSËPLANN|NC
9010 SW WasbÍngton Sqtraß f¡rive, Su¡ts 505, Podand, Ongon 97223
l8l3 Ruþr ürlve, Sstt¿ C, Livermore, ealtfomlã 94551
1912 S 'l46th $ùuet, Sèálrle, Wæh¡ngton StEt
707 Comty.L¡ne Rü4 Ur¡¡ B, Pa¡rnsr Lâke, GO û0133
p: 503ó41*311 ww.sfadg,ærn
FIELD I NSTALLATTON LOG
Projea Name:Ç, t\ e-a,L*¿uti^ ¡t¡Ft¿ t ? - n E tt Contractor:/Un-lo*-"1
Site Address:
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Project Foremän:Lt/*n
lnstall Date:\ /"-"t - ^l y'zo /, q Permit Number:ß¿n 2-.T t qa7a,t
lnspector Afrival:9¿a
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Çontractor Anival:
lnspector Name:fit*zla+ kãE,u*z.)Jurisdiction:¿\b)t 7¿,ù'bç U4
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LoçatÌon Part Descdption PierOD, in
PierWall
Thickness, in
|"Þr ìjegment
Length, fr
lnstallaüon
Pressure, psi
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lnspector
Non-Compliance ltems:
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sFA EesÍgn Eroup, lrr
STRUCTURÁL I CIVIL I GÊOTECHNICAL I LAND USE PLANNING
9020 SW Washlngton Square ltrive, Su¡te s05, PoIüand, tregon gi2ZJ
1813 Rutan Drlve, Sulte C, Uvêrfforè, Cqlifornla 945gi
1912 S 146th Street, Seattle, Washington 98168
707 County Line Road, Un¡t B, palmer Lake, CO B0.l3g
p: 503.641,ütl1 w,sfadg.com
LOAD TEST LOG
Projecl Name:Coûlractor:
Site Address:
.t Project Foreman:
Test Date:Permit Number:Õ
lnspector Name:Jurisdiction:u
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Test Load, kips:
Working Load, kips: .¡1-f^r+f
TestPres$ure, psi:
Total Creep, in:
1 min:
2 min:
3 min:
4 min:
15 min:
20 min:
30 min:
40 min:
50 minl
60 min:
5 min:
ô min:
10 min:
PierTested: tr
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E)
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V)
10 min:
Pier Tested:
Working Load, kips:
Test Pressure, psi:
Total Creep, in:
I min:
2min:.
3 mín:
4 min:
15 mÍn:
20 min:
30 mln:
40 min:
50 min:
60 min:
Tes-t Load, kips:
5 min: A
6 min:€)
Cont¡nuous special inspection is required during instôllation per 2015 IBC section 1810.4.12. Load tesiing shall be performed in
accordance with ASTM Method D1143 (Qu¡ck Method). 20 percent of piers shall be tested to 150 percent of design load. Load
tes'ting creep acceptance criteria shall be no greatêr than 0-04 inches within a 10 rninute period. lf movement is observed greater
than 0.04 inches within the 10 minr.¡te period the loâd tesl shall be held for an ãdd¡tionål S0 m¡nutes, the pier is to be deepened
and re-tested, or the pîer is to be abandoned and replaced with a new pier, lf thê load test is to be held the pier movemênts shâll
be measured at 15, 20,30, 40, 50, and 60 minutes. The creep versus the logarithm of r¡me shall be plotted- lf the creep rate ís
less than 0.080 inches between 6 and 60 minutes, the load test shatl be considered successful.
Note:
Load test performed util¡zes a hydraulic |oad
with an effec-t¡ve bore diameter of 3.5,'which
equâtes to an opêrâting hydräut¡c areã of 9_62 in2,
Piêr Test Pressure (ps¡)= [Des¡gn Load] X 1.S /
9.62in2
lnspector
Items: