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What would be the approximate impact on the total project cost if the panel thickness is reduced from 3.0mm to 2.5mm, coupled with an optimization of the supporting grid spacing?

Cost Impact Scope: Under compliance conditions, total project costs for a 100,000 m² project can be reduced by approximately 5%-7%;
Core Prerequisite: Must ensure 2.5mm panels + optimized purlin spacing meet load requirements (e.g., maintenance load 200N/m², wind load 0.5kN/m²). Conducting a 1:1 prototype load-bearing test is recommended beforehand;
Material Selection Optimization: For coastal regions, prioritize 5052 series aluminum alloy (offering 30% higher corrosion resistance than 3003 series). This compensates for durability losses due to reduced thickness without incurring additional costs.
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