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DATE:V I N C I & A S S O C I A T E S SHEET:9 <br />PROJECT:Jesse Gibbs Residence Structural Engineers JOB NO.:22-3457 <br />214 W. Alton Ave.175 E. WILBUR ROAD, STE 103 • THOUSAND OAKS, CA 91360 ENGR.:JRV <br />Santa Ana, CA 805.496.2100 • VinciSE.com <br />CLIENT:Baker Home Energy <br />CHECK OF EXISTING ROOF STRUCTURE <br />Existing Roof Dead Load 14.5 psf <br />Existing Roof Live Load:20 psf reducable <br />PV Array Dead Load 2.8 psf <br />Per 2022 California Building Code Section 1607.12.5.1 <br />when a PV array is installed less than 24" above the surface of the roof <br />surface, the live load can be ignored below the PV array. <br />Therefore - if the 20 psf (12psf min when reduced) is eliminated below <br />the proposed PV Arrays, the roof is more than capable of supporting <br />the additional 2.80 psf dead load due to the proposed array. <br />Therefore, by observation, the existing roof structure is sufficient. <br />7/18/2024 214 W Alton Ave <br />10/8/2024