Newly revised for the 2010 AISC Specification, this utility calculates the minimum weight column section that can be used without stiffeners and/or doubler plates. Applies in wind or low-seismic applications, and is based upon the 2010 AISC Specification, the 14th Edition Steel Construction Manual, Design Guide #13, and Design Guide #4 (2nd Edition). You must enable macros in MS Excel or this will not function. This document has been prepared in accordance with information made available to the American Institute of Steel Construction at the time of its preparation. This document has not been prepared for conventional use as an engineering or construction document and shall not be used or relied upon for any specific application without competent professional examination and verification of its accuracy, suitability, and applicability by a licensed engineer or architect. The American Institute of Steel Construction disclaim any liability arising from information provided by others or from the unauthorized use of the information contained in this document.