8 of steel in rolled sections at -25 0 C: 300PLUS ® All sections except angles Grade 250 Angle sections Grade 350 Plate Grade 350 Square Hollow Sections Structural Framing System Lateral stability was provided by roof wind trusses and wall bracing. The use of a fully braced structure resulted generally in lower stresses and thinner section thicknesses compared with a portal solution, which helped satisfy cold temperature design requirements

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