Planning focus
Weight, span, finish and environment influence material choice.
Budget drivers
Complex custom shapes and heavier structural members increase fabrication cost.
Operations and lifecycle
Coatings and drainage details should be inspected as part of exterior maintenance.
Safety and code boundary
Frame member sizing, welding and connections require qualified structural/fabrication professionals.
Educational planning only. Actual construction, code compliance, regulated systems, hazardous materials and safety-critical work require qualified professionals and current local requirements.