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Wind Load Calculations for PV Arrays

Brian M. McCaffrey, P.E.

Today’s photovoltaic (PV) industry must rely on licensed structural engineers’ various interpretations of building codes and standards to design PV mounting systems that will withstand wind-induced loads. This is problematic since the safety and sufficiency of the structural attachments of solar equipment to rooftops are not adequately addressed in any codes or standards. ASCE Standard 7-05 Minimum Design Loads for Buildings and Other Structures is the standard for wind forces on structures, but it does not provide adequate guidance to the design professionals and code officials tasked with assessing PV installations.

Until codes and standards are developed to address the mounting of PV arrays to rooftops, Wind Load Calculations for PV Arrays provides design guidance, including sample calculations for determining wind loads on PV arrays based on the recognized ASCE Standard 7-05.

This 2-hour course will introduce you to the principles of determining wind loads on PV arrays.

This course includes a multiple choice quiz at the end, which is designed to enhance the understanding of the course materials.

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