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If any composite or other material is used, the SES must contain:
F.4.1.1 Documentation of material type, (purchase receipt, shipping document or letter of donation) and the material properties.
F.4.1.2 Details of the manufacturing technique and/or composite layup technique as well as the structural material used (examples - cloth type, weight, and resin type, number of layers, core material, and skin material if metal).
F.4.1.3 Calculations demonstrating equivalence of the structure to one of similar geometry made to meet the minimum requirements for a structure made from steel tubing per F.3.2. Equivalency calculations must be submitted for energy dissipation, yield and ultimate strengths in bending, buckling, and tension.