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Solar Energy Builders, Inc. Tel: (949) 495-1988 Fax: (949) 266-5823 <br />www.solarenergybuilders.com CA Lic.#378817 Since 1979 <br />65 Enterprise, Third Floor, Aliso Viejo, CA 92656 <br />August 26, 2022 <br />City of Santa Ana <br />Att: Plan Review Engineer <br />Re: Commercial Solar PV System – 2655 S. Orange Ave. <br /> Electrical Permit # 20176957 <br />Building Permit # 101111463 <br />Due to a change in the availability of the originally specified solar modules we are submitting plan <br />modifications as follows. <br />Permitted size and module type - 60 Hanwha Q.Peak DUO XL-G10.3/BFG 485 watt totaling <br />29.1kW/DC utilizing a Tigo TS4-A-2F for rapid shutdown compliance. <br />Proposed modification module type and system sizing - 56 Axitec AC-540MBT/144V 540 watt <br />totaling 30.24kW/DC using an APsmart RSD-D-20 for rapid shutdown compliance. <br />Other than the proposed module type/quantity and rapid shutdown device there were no changes to <br />the specified inverters and balance of systems. We have noted the changes with a Delta symbol <br />throughout the plans as described below. <br />1. The system sizing STC and CEC have been marked with a Delta 1 <br />2. The solar module type, quantity, and revised sq. ft. have been marked with a Delta 2 <br />3. The rapid shut down device have been marked with a Delta 3 <br />4. The location where 4 solar modules were deleted to reduce the system to 56 solar modules has <br />been marked with a Delta 4. <br />No other changes to components not listed above have been made. <br />Should you have any additional questions please feel free to contact me at your convenience at 714- <br />269-6995. <br />Sincerely, <br />_//Tom M. Djokovich______ <br />Tom M. Djokovich, <br />Solar Energy Builders, Inc. <br /> <br />2655 S Orange <br />Ave - Revision <br />101111818 & <br />20177231 <br />10/18/22