ANSI SDPWS-2015 pdf free download.SDPWS Special Design Provisions for Wind & Seismic with Commentary. 2.1.1 Scope The provisions of this document cover materials, design and construction of wood members, fasteners, and assemblies to resist wind and seismic forces. 2.1.2 Design Methods Engineered design of wood structures to resist wind and seismic forces shall be by one of the methods de-...