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Lawrence R. Phelps, P.E.
Civil & Structural Enggneerinu
31130 Avenida Del Repose - Temecula, Caidornia 925E1
Phone (951) 694.6336 - Fax (951) 694-6326
July 23, 2012
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Subject: Structural Engineering Certification for SunPower SF System Planning & Assembly
Installation Manual by SunPower Corporation, copyright 2007 and Unirac Code -
Compliant Installation Manual 809, publication 100114-1 cc, copyright January 2010,
to be compliant with current applicable building codes.
To whom it may concern,
The undersigned engineer has reviewed the subject manuals with respect to:
I. The Procedure to Determine the Total Design Wind Load and
II. The Procedure to Select Rail Span and Rail Type,
which aids the designer in the calculations of design wind force, load combinations and rail
selection, has checked these procedures and found that the calculations associated with the
procedures in this manual are in compliance with the applicable codes listed:
The 2010 California Building Code (CBC) which is based on the 2010 International
Building Code (IBC),
The ASCE/SEI Standard 7-05 (American Society of Civil Engineers and Structural
Engineering Institute) Minimum Design Loads for Buildings and Other Structures and
3. Aluminum Design Manual: Specifications and Guidelines for Aluminum Structures by
the Aluminum Association, Washington, D.C. , 2000
truly yours
Lawrence
cc: SunPro Solar general file.
Lawrence . Ph s, RCE 35280
No. RCE 35280
Exp.
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