Standards Updated (Feature 195)

Important Note – These are descriptions to changes implemented in WoodWorks Shearwalls for version 10.0 and may not reflect current behavior

The implementation in Shearwalls the IBC has been updated from the 2009 edition to 2012, the ASCE 7 from 2005 to 2010, and the NDS from 2005 to 2012 as follows:

1. ICC International Building Code (IBC 2012)

   Version 10 of Shearwalls implements the 2012 IBC, whereas Version 9 implemented the 2009 version.

   IBC 2012 references ASCE 7 10 for all wind and seismic load generation procedures, so that the updates for ASCE 7 make the program compliant with IBC 2012 in this regard..

   The changes to the load combinations for ASCE 7 10 are identical to those in IBC 2012. Throughout what follows, we will refer to these changes as being due to ASCE 7 with the understanding that the same changes are in IBC.

   IBC 2012 references the AWC Special Design Provisions for Wind and Seismic (SDPWS 2008) for all design provisions, except those using staples, which are not permitted by SDPWS. Shearwalls does not include staples, so all procedures in the program comply with IBC by complying with SDPWS. SDPWS 2008 was implemented in version 9 of the program, so no changes in this regard were required for version 10.

2. ASCE 7 Minimum Design Loads for Buildings and Other Structures (ASCE 7-10)

   Version 10 of Shearwalls implements the 2010 ASCE 7, whereas Version 9 implemented the 2005 version. There were significant changes, particularly for wind load combinations and wind load design procedures. In addition, WoodWorks re-evaluated the previous implementation of wind and seismic load generation and design, and included significant improvements not directly related to changes in the design code.

3. ANSI / AWC Special Design Provisions for Wind and Seismic (SDPWS 2008)

   The SDPWS had been updated from the 2005 version to the 2008 version for Shearwalls 9; however the menu item that allowed you to view the On-line SDPWS had not been changed and still showed SDPWS 2005 ( the document shown was 2008) This has been corrected.

4. ANSI / AWC National Design Specification for Wood Construction (NDS 2012)

   Version 10 of Shearwalls conforms to the NDS 2012, whereas version 9 conformed to NDS 2005. The few shearwall and diaphragm provisions that were in the 2005 edition have been removed from NDS 2012, which now just refers to the SDPWS.