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Page 2 of 2 <br />D. Solar Panel Anchorage <br />1. The solar panels shall be mounted to the ballast system in accordance with the most recent “Unirac <br />Installation Manual”, which can be found on the Unirac website (http://unirac.com/roofmount/). If <br />during solar panel installation, the roof framing members appear unstable or deflect non-uniformly, <br />our office should be notified before proceeding with the installation. <br />2. Ballast system shall be placed on the roof in accordance with Unirac recommended layout and per <br />their installation instructions. <br />3. To avoid overloading the existing structure during staging and installation, materials to be installed <br />on the roof shall not be stacked in one area on the roof. Components shall be stored on the ground <br />and placed on the roof in their final position. <br />Based on the above evaluation, this office certifies that with the racking and mounting specified, the existing <br />roof system will adequately support the additional loading imposed by the solar system. This evaluation is in <br />conformance with the 2019 California Building Code, current industry standards, and is based on information <br />supplied to us at the time of this report. <br />Should you have any questions regarding the above or if you require further information do not hesitate to <br />contact me. <br />Very truly yours, <br /> <br /> <br />Scott E. Wyssling, PE <br />California License No. 83664 <br />1417 S Broadway - <br />101110019 & <br />2017587207/18/22