Structural Design Engineers

Coupled Girder Moment Frame

Our new structural system for the San Francisco Moscone Expansion project increased seismic safety while reducing steel the cost by $2m. (Coupled Girder Moment Resisting Frame System (CGMRF) - U.S. Patent 6,412,237B1)

Welcome to Structural Design Engineers

Structural Design Engineers (SDE) is a San Francisco-based MBE structural design firm that was formed in 1984. We are focused on meeting every design challenge with a structural solution that advances the project, whether in efficiency, innovation, cost savings or all three. We hope you enjoy your visit with SDE and we look forward to serving you.