Roundtable participants

Philippe C. Dordai, principal, The Hillier Group, Princeton, N.J.

Timothy A. Dueck, director of mission-critical facilities, Ellerbe Becket, Minneapolis.

Mark Husser, group vice president and director of design, Helmuth, Obata + Kassabaum Inc., St. Louis.

Zoe Pappas, project manager, DeSimone Consulting Engineers, New York City.