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<br /> <br />Jul 30, 2024 <br />Client: onyx <br /> Subject: PE Letter for the Installation of Solar Panels on Existing Roof. <br />Project Name: Albertson 598 <br />Project Number: 23023.004 <br />Company: onyx <br />Site Address: 2000 17th St, Santa Ana, CA 92705, USA <br />Coordinates: 33.759017, -117.837736 <br /> <br />Structurology, Inc. is pleased to submit this letter to determine the structural integrity of the existing roof <br />located on the onyx site listed above. <br />Design Information: <br />This structural letter is based on information gathered from the following documents: <br /> <br />• OnSwitch-Albertson 598-clawFR 10 DT-Calculations Package-Rev5-202407091604 dated <br />09-07-2024. <br />• OnSwitch-Albertson 598 -clawFR 10 DT-Racking Construction Set-Rev5-202407091604 dated <br />09-07-2024. <br /> <br />The requested evaluation of the existing roof includes the current loads and the installation of solar panels <br />by onyx. The location of the solar panel installation is depicted in the project report and the details <br />of the roof and modules are obtained from the project report listed above. Further details of the existing <br />roof, P V modules, and other necessary details are summarized below. <br />This PE letter has been performed following the ASCE 7-16. <br /> <br />Wind Load <br /> Wind Speed: 95 mph <br /> Terrain Category: Exposure C <br />Type of Structure: Main Structure <br /> Standard: ASCE 7-16 <br />Risk Category: II <br />Snow Load <br /> <br /> Ground Snow Load: <br />Flat Roof Snow Load: <br />0 psf <br />0 psf <br />1 <br />A <br />AHJ Comments <br />05/31/2024 <br />B <br />IFC Revision <br />07/30/2024 <br />B <br />C <br />C CLIENT UPDATE <br />3/9/2026