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Project: Santa Ana -- Job #: 2023-10986 <br />Date: 9/12/2023 Engineer: BV <br />Roof Length <br />(N/S) <br />Width <br />(E/W)Area % Solid Weight (psf)Weight (lb) <br />Existing Roof Dead Load 209 148 30858 100% 12.00 370296 <br />Walls (Parallel to N/S)Length Height Area % Solid Weight (psf)Weight (lb) <br />Exterior: Concrete Tilt Up 417 21 8549 50% 100 427425 <br />Walls (Parallel to E/W)Length Height Area % Solid Weight (psf)Weight (lb) <br />Exterior: Concrete Tilt Up 296 21 6068 50% 100 303400 <br />Weight of Existing Structure: 1101121 lb <br />Ballasted PV Array Estimated Dead Load:4.85 psf For PZSE Inc. Internal <br />Approx. Area of Ballasted PV System 9753 Sq. Ft.Use only <br />Approx. Weight of PV System 47306 lb <br />370296 lb <br />Weight of E/W Walls 303400 lb <br />10% of Existing Weight 67370 lb <br />47307 lb <br />7.02% <br />67369.6 lb > 47307 lb, Therefore OK <br />370296 lb <br />Weight of N/S Walls 427425 lb <br />10% of Existing Weight 79772 lb <br />47307 lb <br />5.93% <br />79772.1 lb > 47307 lb, Therefore OK <br />Per CEBC 502.5, ASCE 7-16 11b.4, and by inspection; the increase in the lateral demand/capacity ratio of the <br />existing structure due to the installation of the PV system is less than 10%. Therefore, the existing structure <br />may remain unaltered. <br />Weight of Existing Structure <br />10% Check - Diaphragm (N/S Direction) <br />Note: The wall height used for this analysis is equal to half of the top <br />story height plus the parapet height. <br />Weight of Proposed PV System <br />10% Check - Diaphragm (E/W Direction) <br />Weight of Roof Diaphragm <br />Approx. Weight of PV System <br />Percent Increase <br />Santa Ana Lateral Check (CEBC 502.5 & ASCE 7-16 11B.1): <br />Percent Increase <br />Weight of Roof Diaphragm <br />Approx. Weight of PV System <br />Page 52 of 52 <br />3600 W Segerstrom Ave - <br />101117310 & 201813801/11/2024