Case History Jun, 2004 By David Ruby, P.E., S.E., SECB, F.ASCE In Articles, Professional Issues 180 North Jefferson/Chicago, IL This article is currently only available in PDF format, please click the link to the top right. About the author ⁄ David Ruby, P.E., S.E., SECB, F.ASCEDavid Ruby, Chairman / Founding Principal, Ruby+Associates, Inc. authored AISC’s Design Guide #23, Constructability for Structural Steel Buildings. (druby@rubyandassociates.com) Prev Real World Problem Solving Next Soil Pressure under Footings