Westside Pavilion Aug, 2012 By Bill Williams, P.E., S.E. and Arvind Nerurkar, P.E., S.E. In Feature Seismic Retrofit for a Pre-Northridge Moment Frame Building This article is currently only available in PDF format, please click the link to the top right. About the author ⁄ Bill Williams, P.E., S.E.Bill Williams, P.E., S.E. is a Senior Engineer at Coffman Engineers. He can be reached at Williams@Coffman.com. Prev Software Makers Bullish on Business Next Condition Assessment and Repair – Part 3