Report - tC SU cSvJ
RECEIVEDSte_
Version#72.1 -1
JUN 2 0 1018 RU
CITY Of .IGARO
BUILDING DIVISION pp
May 15,2018 ���® PRO/jt�,S//
RE: CERTIFICATION LETTER G` �'
Project/Job#9724266 /12
Project Address: Wadsworth Residence
10680 SW Fonner St • ^ G•N
Portland,OR 97223
arch S,
AHJ Tigard c447it S H.
SC Office Portland
Design Criteria: Expires June 30, l
-Applicable Codes=OSSC 2014/IEBC,ASCE 7-10,and 2012 NDS
-Risk Category=II
-Wind Speed=115 mph,Exposure Category C,Partially/Fully Enclosed Method Digitally signed
-Ground/Roof Snow Load=25 psf(Unreduced) Chris
-MP3A:Roof DL=7 psf,Roof LL/SL=25 psf byChris Kim
-MP3B:Roof DL=7 psf,Roof LL/SL=25 psf
Date:
K•
I M 2018.05.15
16:42:33 -04'00'
Per Section 1613.1,W-(PV)/W-(exist roof)=8.7%,Increase Seismic Shear Load<10%,->[OK]
To Whom It May Concern,
A jobsite survey of the existing framing system of the address indicated above was performed by a site survey team from Tesla. Structural
evaluation was based on site observations and the design criteria listed above.
Based on this evaluation,I certify that the alteration to the existing structure by installation of the PV system,with upgrades specified in the
plans, meets the requirements of the applicable existing building and/or new building provisions adopted/referenced above.
Additionally,I certify that the PV module assembly including all standoffs supporting it have been reviewed to be in accordance with the
manufacturer's specifications and to meet and/or exceed all requirements set forth by the referenced codes for loading.
The PV assembly hardware specifications are contained in the plans/docs submitted for approval.
Tesla,Inc.
TESL ti
Version#72.1 -1
RU
HARDWARE-DESIGN AND STRUCTURAL ANALYSIS RE ULTS SU MARY TABLES
LandscapeHardware ,and,$ Modules'Standoff Specifications
Hardw� X-X Spacing X-X Cantilever Y-Y Spacing Y-Y Cantilever Configuration Uplift DCR
MP3A 72" 24" 39" NA Staggered 39.6%
MP3B 72" 24" 39" NA Staggered 39.6%
strait Hardware-Portit Modules`Standoff i
Hardware X-X Spacing X-X Cantilever Y-Y Spacing Y-Y Cantilever Configuration Uplift DCR
MP3A 48" 20" 65" NA Staggered 44.0%
MP3B 48" 20" 65" NA Staggered 44.0%
Mounting ng Plar roof Pitch Qualifioat results:
(Degrees) Member Evaluation Results
MP3A 20° Member Analysis OK
MP3B 20° Member Analysis OK
Refer to the submitted drawings for details of information collected during a site survey. All member analysis and/or evaluation is based on framing information gathered
on site.The existing gravity and lateral load carrying members were evaluated in accordance with the IEBC and the IBC.
Tesla,Inc.
T .:. L