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Project : <br />Project Number: <br />By : <br />Date : <br />UNIRAC <br />1411 Broadway Blvd, NE <br />Albuquerque, NM 87102 <br />RE: Solar Array Installation at 901 North Westwood Ave, Santa Ana, CA, 92703, USA <br />To Whom it May Concern, <br />CODE REFERENCES: <br />BUILDING CODE: 2019 CALIFORNIA BUILDING CODE <br />2018 INTERNATIONAL BUILDING CODE <br />ASCE 7-16 <br />SCOPE OF WORK: <br />DESIGN PARAMETERS <br />RISK CATEGORY : <br />DESIGN WIND SPEED :mph <br />WIND EXPOSURE : <br />GROUND SNOW LOAD :psf <br />SEISMIC DESIGN CATEGORY : <br />EXISTING ROOF STRUCTURE <br />ROOF : 2x4 Rafters @ 24" O.C. <br />ROOF MATERIAL : Rolled Comp <br />CONNECTION TO ROOF STRUCTURE <br />MOUNTING CONNECTION : <br /> Gumersindo Guerrero Garcia <br />PE <br />07-02-2023 <br />Roof structural framing plan has been reviewed for additional loading due to installation of the roof mounted <br />solar PV addition. The structural review that follows, including plans and calculations, only apply to the section of <br />the roof that is directly supporting the solar PV system and its supporting elements. <br />Tuesday, February 7, 2023 <br />Per your request, we have reviewed the existing structure at the above referenced site. The purpose of our review <br />was to determine the adequacy of the existing structure to support the proposed installation of solar panels on the <br />roof per layout plan. <br />(2) #12 WOOD SCREW w/ MIN. 2.5" EMBEDMENT INTO (E) 2x FRAMING <br />MEMBER @ MAX. 48" O.C. ALONG RAILS <br />(2) RAILS PER ROW OF PANELS, EVENLY SPACED. PANEL LENGTH <br />PERPENDICULAR TO RAIL NOT TO EXCEED 67.79" <br />II <br />95 <br />B <br />0 <br />*null <br />901 N Westwood <br />Ave - <br />101111905-201773 <br />06 <br />03/29/23