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� - <br /> � " ' Ir�nRidge June 16, 2014 <br /> , Mr. David F. Taggart Page 11 of 11 <br /> IronRidge XR1000 Rail, Roof Flush Mounting System—Structural Analysis <br /> Notes—Tabulated values are based on the following criteria: <br /> 1. Building mean roof height=30 ft <br /> 2. Risk Category I <br /> 3. Solar module long d'unension=67.5 in <br /> 4. Provide 2 in. clear between roof and rail <br /> 5. End cantilever span(max) =0.40 x maximum span from above tables <br /> 6. No rail splices in end spans <br /> 7. No rail splices in middle 1/3 of interior spans <br /> 8. Single simple span(s). Spans listed in the tables above may be multiplied by 1.08 for <br /> continuous rails of 3 or more spans. <br /> Our analysis assumes that the rails, including the connections and associated hardware, are installed <br /> in a workmanlike manner in accordance with the "IronRidge Roof Mount Installation Manual" by <br /> IronRidge and generally accepted standards of construction practice. Additional information is <br /> available at the IronRidge web site, IronRidge.com. Verification of PV Module capacity to support <br /> the loads associated with the given array shall be the responsibility of the Contractor or Owner and <br /> not 1ronRidge or Starling Madison Lofquist. <br /> The adequacy of the supporting roof framing is to be determined by others. <br /> Please feel free to contact me at your convenience if you have any questions. <br /> "Professional Certifrcation. I hereby cert�that this plan, specification, or report was prepared by <br /> me or under my direct supervision arrd that I am duly Licensed Professional Errgineer under the laws <br /> of the State of Minrresota". <br /> Respectfully yours, ; ,,..:.. .,,:9 '; <br /> , .. •. F . t•t` •�!� <br /> : .•• ••..� : <br /> ` � LICENSED •; � <br /> f PROFESSIONAL ; - <br /> = ENCiINfiER = = <br /> Tres J. Warner, P.E. �cA�� 48820 r°��; <br /> Design Division Manager :1�,�.., ..•' O; <br /> i ........••• �5�� <br /> �''�,°F M;N"�`' L�xP 6I�Il6 <br /> Starling Madison Lofquist, Inc. Consulting Structutal and Forensic Engineets <br /> -11- <br />