Patriot Solar Group

North Carolina Solar Installation Case Study


Courtesy of Courtesy of Patriot Solar Group

Project Overview

  • Patriot Solar Group (PSG) began working on initial racking designs during Summer of 2011.  At that time, the site was still yet to be cleared, but early soil testings confirmed that a driven post design would be suitable for the site conditions.
  • PSG’s sales and engineering team worked closely with project engineers to ensure the racking design met all local building codes and to ensure maximum capacity on the 10 acre site.
  • The array consisting of over 4,300 solar modules will produce over 1,800 mWh annually.

Project Objectives

  • Design racking system in compliance with all local building codes.
  • Engineer post design to work with site soil conditions and achieve desired height clearance above grade.
  • Deliver racking material within 6 week lead time to ensure no project delays.
  • Design rail lengths to work adequately with module string sizes and maximize array capacity.

Project Results

  • Racking design met the desired height clearance in accordance with 100 MPH wind load and 20 PSF snow load.
  • Rail configuration was designed to meet panel strings of 12 and met all aesthetic project requirements.
  • Hat-shaped post design was ideal for clay soil conditions.
  • All racking material was delivered on schedule allowing contractors to meet the project completion deadline.

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