PV arrays must be mounted on a stable, durable structure that can support the array and withstand wind, rain, hail, and corrosion over decades.
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The material of your rails dictates their strength, weight, and corrosion resistance. Aluminum (6061-T6 or 6005-T5): The industry standard for most residential and commercial applications.
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Purpose: This Interpretation of Regulations (IR) describes the DSA requirements for review and approval of solar photovoltaic (PV) and solar thermal systems used in construction projects under the jurisdiction of DSA.
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This IR clarifies the requirements for structural support of solar systems, anchorage of solar systems, solar support frame systems, balance-of-system (BOS) equipment, and building-integrated photovoltaic (BIPV) roofing systems.
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