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Report (61) 1Y -rr-0' \CA- Oc Esc OFFICE COPY RECEIVED Version*74.1 -1 FEB 21 2019 CITY Or i_IGARD Ed Generated �, •, B1JILDI iG nivistO January 19,2019 RE: CERTIFICATION LETTER PDOft, Project/Job#9724436 C�` GIN 4i, Project Address: Prague Residence Vfa/ 12055 SW Ann St 'w 1 Tigard,OR 97223 9082 / w AHJ Tigard ORE .ami% SC Office Portland 2 Zoo 4^ �'A,,ber .. Design Criteria: `' O Applicable Codes=OSSC 2014/IEBC,ASCE 7-10,and 2012 NDS SAS 'N 1/31/2019 STRUCTURAL ONLY -Risk Category=II -Wind Speed=115 mph,Exposure Category C,Partially/Fully Enclosed Method -Ground/Roof Snow Load=25 psf(Unreduced) -MP1A:Roof DL=14 psf,Roof LL/SL=25 psf -MP1B:Roof DL=14.5 psf,Roof LL/SL=25 psf ' -MP1C:Roof DL=14 psf,Roof LL/SL=25 psf -MP2:Roof DL=14 psf,Roof LL/SL=25 psf -MP3:Roof DL=14 psf,Roof LL/SL=25 psf Per Section 1613.1,W-(PV)/W-(exist roof)=5.4%,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 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. Nick Digitally signed by Nick Gordon GordonDate:2019.01.31 16:12:34-08'00' • Tesla,Inc. Version#74.1 -1 Ed Generated HARDWARE DESIGN AND STRUCTURAL ANALYSIS RESULTS SUMMARY TABLES Landscape Hardware-Landscape Modules'Standoff Specifications Hardware X-X Spacing X-X Cantilever Y-Y Spacing Y-Y Cantilever Configuration Uplift DCR MP1A 48" 17" 52" 24" Not-Staggered 44.9% MP1B 48" 17" 52" 24" Not-Staggered 44.9% MP1C 48" 17" 52" 24" Not-Staggered 44.9% MP2 48" 17" 52" 24" Not-Staggered 44.9% MP3 48" 17" 52" 24" Not-Staggered 44.9% Portrait Hardware-Portrait ModuleS.Standoff Specifications Hardware X-X Spacing X-X Cantilever Y-Y Spacing Y-Y Cantilever Configuration Uplift DCR MP1A 48" 17" 52" 24" Not-Staggered 44.9% MP1B 48" 17" 52" 24" Not-Staggered 44.9% MP1C 48" 17" 52" 24" Not-Staggered 44.9% MP2 48" 17" 52" 24" Not-Staggered 44.9% MP3 48" 17" 52" 24" Not-Staggered 44.9% Roof Pitch Qualification Results Mounting Plane (Degrees) Member Evaluation Results MP1A 22° Member Analysis OK MP1B 22° Member Analysis OK MP1C 22° Member Analysis OK MP2 22° Member Analysis OK MP3 22° Member Analysis OK Tesla,Inc. TESI- Fi