S. KEOKI SEARS is a Project Manager and owner of Project Catalyst Corporation, based in Durango, Colorado. GLENN A. SEARS is an active consultant in construction technology and management. RICHARD H. CLOUGH was Dean of the College of Engineering, University of New Mexico. JERALD L. ROUNDS is professor emeritus of Construction Management and Construction Engineering at the University of New Mexico. ROBERT O. SEGNER, JR. is professor of Construction Science in the College of Architecture at Texas A&M University.