Before embarking on the installation of solar photovoltaic racks, careful planning and thorough preparations are essential. 1 Site Assessment The location where solar racks will be installed should be meticulously evaluated for sunlight exposure, topography, and potential shading from nearby. ides structural support for the SF Rails. Support Column Extensio s are made from 2-1/2” Schedule 40 panel in a row of panels to the SF Rail. End Clamps are fastened. The clawFR 10 Degree flat roof mounting system is comprised of four major components that intuitively assemble into a support structure for photovoltaic (PV) modules. EXCEPT FOR DEFLECTORS, ALL RACKING COMPONENTS IN. Ground mount solar design involves more decision points than a rooftop job, and those decisions carry more consequence. Structure type, racking system, foundation method, and array layout all need to be resolved before a permit package can be built. Getting those calls wrong means revisiting. Pick your state and browse state-approved Electrician CE courses — complete your continuing education hours online, with instant reporting.