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<br /> <br /> <br />DATE: May 19, 2025 <br />RE: 1429 S GARNSEY ST, SANTA ANA, CA 92707, USA <br /> <br />To Whom It May Concern, <br />As per your request, we have conducted a structural assessment of the building at the above address. <br /> <br />PV solar panels are proposed to be installed on roof areas as shown in the submitted plans. The panels <br />are clamped to rails which are attached to the roof with a lagged mounting system. The PV system (PV <br />modules, racking, mounting hardware, etc.) shall be installed according to the manufacturer’s approved <br />installation specifications. The Engineer of Record and Exactus Energy claim no responsibility for misuse <br />or improper installation. <br /> <br />It was found that the roof structures satisfactorily meet the applicable standards included in the 2022 <br />California Building Code, 2022 California Residential Code, 2022 California Existing Building Code, and <br />ASCE 7-16 as well as the design criteria shown below: <br /> <br />Design Criteria: <br />Risk Category = II <br />Exposure Category = B <br />Wind speed = 95 mph <br />Ground snow load = 0 psf <br />Roof dead load = 9 psf <br />Solar system dead load = 3 psf <br /> <br />Overall, the roof area is structurally adequate to support the PV alteration with no modifications or <br />reinforcements as required per 2022 California Existing Building Code Sections 502.4 and 503.3 The roof <br />framing was found to be made up of 2X4 @ 24" O/C lumber rafters topped with board sheathing and rolled <br />composition. The condition of the roof was found to be in good condition. <br /> <br />The calculations produced for this structure's assessment are only for the roof framing supporting the <br />proposed PV installation referenced in the stamped planset and were made according to generally <br />recognized structural analysis standards and procedures. <br />This letter was completed in accordance to recognized design standards, professional engineering <br />experience, and judgement. Prior to installation, the on-site contractor must notify Exactus Energy if there <br />are any discrepancies, or damages to the members, that were not addressed in the plan set. <br /> <br />If you have any further questions, please do not hesitate to contact me. <br /> <br />Acknowledged by: <br /> <br /> <br /> <br />EXP 3/31/2026Jeff <br />Onorati <br />Digitally signed <br />by Jeff Onorati <br />Date: 2025.05.20 <br />11:48:59 -07'00'