Gather tools like drills, screwdrivers, levels, and tape measures. Install piles or pour concrete foundations based on soil conditions. Use concrete with a strength grade of C20 or higher. To ensure the smooth installation of photovoltaic system brackets and meet design requirements, Guidance Method For The Installation Of PV System Brackets are provided, including ground-mounted, rooftop, adjustable tilt angle, floating, Building-Integrated Photovoltaics (BIPV), bifacial, and. When pre-drilling into wooden substructures, always make sure that a 90� angle is maintained.