Chapter A includes the following major changes and additions in this edition of the Provisions:
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(1) Section A3.1 has been revised to present the approved ASTM standards for seismic force-resisting systems in Table A3.1, which lists the permissible grades and strengths and other limitations for the referenced ASTM standards.
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(2) ASTM A709/A709M has been added as a permitted material for use in seismic force-resisting systems.
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(3) Section A3.2 now includes the factor, , to account for the expected strength of concrete.
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(4) Section A4 now clarifies that it addresses the structural design documents and specifications issued for construction. This section has been reorganized substantially to make it consistent with the Code of Standard Practice.
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A4 STRUCTURAL DESIGN DOCUMENTS AND SPECIFICATIONS ISSUED FOR CONSTRUCTION