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-1=e =:i= <br />STRUCTURALINGIHEERS <br />January 13, 2014 <br />UniRac <br />1411 Broadway Boulevard NE <br />Albuquerque, New Mexico 87102-1545 <br />TEL: (505) 242-6411-' <br />FAX: (505) 242-6412 <br />2 %€¥*ISS**' ''32$!,16"HETH r. .., <br />16 / 11 e <br />46.;93 ./ PE:immil'.......Lf <br />i /. <br />A * :pnutTofie- ,-4341-·13.2, cpoff <br />Attn.: Engineering Department, <br />Re: Engineering Certification for UniRac's SolarMount Code-Compliant Installation Manual 227.3 <br />LI <br />PZSE, Inc.-Structural Engineers has reviewed UniRac's "SolarMount Code-Compliant Installation Manual <br />227.3" published January 2014 and specifically "Part I. Procedure to Determine the Design Wind Load", and <br />"Part II: Procedure to Select Rail Span and Rail Type". <br />The procedures are used to determine the calculation of the design wind force, load combinations, applied <br />loading and rail selection. All information, data and analysis contained within the Installation Manual are based <br />on, and comply with the following: <br />1. Minimum Design Loads for Buildings and other Structures, ASCE/SEI 7-05 and ASCE/SEI 7-10 <br />2. 2012 International Building Code, by International Code Council, Inc. <br />3. 2013 California Building Code, by California Building Standards Commission <br />4. 2010 Aluminum Design Manual, by The Aluminum Association <br />This letter certifies that the structural calculations contained within UniRae's "SolarMount Code-Compliant <br />Installation Manual 227.3 are in compliance with the above Codes. <br />If you have any questions on the above, do not hesitate to call. <br />Sincerely, <br />Al <br />Paul Zacher, SE - President <br />8131 Sunset Avenue, Suite 120 • Foir Ooks, GA 95628 • 916.961.3960 • 916.961.3965 1 • WWW.Mt.«»1