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Structural Calculations for a Roof Mounted Solar Photovoltaic System for: <br />Rosa Fonseca Residence <br />3717 S Olive St, <br />Santa Ana, CA 92707 <br />Applicable Codes: <br />2022 California Building Code, 2022 California Electric Code, <br />2022 California Mechanical Code, American Society of Civil Engineers <br />Standard ASCE 7-16 Minimum Design Loads for Buildings and Other <br />Structures, American Wood Council 2018 National Design Specification <br />for Wood Construction, Local Municipal Code, and all other codes which <br />are adopted by reference or enacted by law. <br />Assumed Design Parameters: <br />The existing structure has been built under a building permit and is in its <br />original condition. The existing roof structure is capable of its code <br />required live load and the ability of the roof structure to support live loads <br />has not been substantially reduced by the age of the structure, termites or <br />mold, or unauthorized modifications to the existing structure. Solar Energy <br />Contractor shall make an inspection of the existing roof framing system <br />prior to installation of the roof mounted solar energy system to verify that <br />the existing roof is capable of supporting minimum roof live loads. <br />Assumed Design Parameters: <br />All 2x members are grade Douglas Fir #2 or better <br />All 4X members are grade Douglas Fir #1 or better <br />All Roof Connectors are Simpson Strong­Tie or Equal <br />All Concrete Foundations are f'c = 2500 psi or stronger <br />Original Structure was built to the Type­V Wood Framed Standards <br />of the Applicable Building Code at the time of Construction. <br />Sht # 1 of 72021­072 Ilum Solar Cory Hoffa Residence Date: January 12, 2021 <br />Assumed Design Parameters: <br />The existing structure has been built under a building permit and is in its <br />original condition. The existing roof structure is capable of its code <br />required live load and the ability of the roof structure to support live loads <br />has not been substantially reduced by the age of the structure, termites or <br />mold, or unauthorized modifications to the existing structure. I have reviewed <br />the existing structural system and based upon the field measurements and <br />drawings provided by the contractor, it appears that the roof can support its <br />required live load. <br /> 9924 Universal Boulevard #224­406 Orlando, FL 32819 Tel:1.310.464.1804 <br /> Email: loydwmartin@gmail.com www.loydwmartin.com <br />Loyd W. Martin Professional Engineer, Inc. <br />2021-1095 Sunrise Solar Kayla Lutz Residence Date: April 1, 20212024-0199 Solar Outsource Rosa Fonseca Residence Date: January 20, 2024 <br />Exp. 3-31-19 <br />No. C58724 NITRAMW.DYO <br />REGISTEREDPROFESSIONALENGINEER <br />C <br />V <br />L <br />FOETATS <br />ALIFORNIAICIL <br />-25 <br />Santa Ana, California 92707 <br />3717 South Olive Street <br />(714) 315-9864 <br />Rosa Fonseca <br />3717 S Olive St- 101118640 & <br />201823884/2/2024