Robert T. Lyons, S.E.

Mr. Lyons is a well respected structural engineer with over 35 years of design experience and is one of the industries leading experts in all aspects of structural engineering in California. Bob understands better than most the operational needs of the client and the stringent demands of the California regulatory environment. As Principal, Bob is responsible for all phases of project development, structural design and system selection, seismic design, construction administration and client interface. His broad portfolio of design work includes major projects in the healthcare field, education and earthquake engineering, to modernizations, as well as demonstrated professional expertise in alternative structural systems and construction materials.

Bob has been the engineer of record in several out of state projects and is licensed in Utah, New Hampshire, Minnesota, North Carolina, South Carolina, Michigan, Nevada as well as several others. Bob’s technical prowess and mastery is evident in some of the types projects he has managed which include the Harbor UCLA Medical Center, Scripps Memorial Hospital and several Kaiser Medical facilities. Also, Bob has served on numerous structural committees resulting in published code provisions.


  • Professional Engineer - Civil - California, Colorado, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, North Carolina, South Carolina, Utah, and Washington
  • Structural Engineer - California and Massachusetts

Professional Affiliations

  • Member SEAOSC and SEAOC, member status forever, honorary member of SEAOSC since 2010
  • Committees – seminar committee, code committee, steel committee (co‐chair 1998, Steel testing and Inspection Sub‐committee, Seismology (vice chair 2000/2001, chair 2001 to 2006), SEAOSC Board of Directors (2003 to 2005)
  • Professional Member of AISC 1997 to present
  • Committees – Seismic Provisions for structural Steel Buildings and Prequalified Connections for Special and Intermediate Steel Moment Frames

Project Types

  • Entertainment Projects
  • Commercial TI projects
  • Commercial buildings
  • Hospitals, new facilities
  • Hospitals, expansions
  • Hospitals, SB 1953 SPC and NPC evaluations and upgrade
  • Hospitals and MOB department upgrades
  • MOB’s
  • Public schools
  • Forensic investigations of failures and litigation preparation
  • Seismic and structural investigations using ASCE 31 and 41
  • Central plants, hospital and commercial
  • Seismic restraint design and detailing of overhead utility systems
  • Equipment anchorage and non‐building structures
  • Structural frames for support of RF shielding enclosures worldwide for ETS Lindgren
  • Access floor designs for Tate and their installers nationwide, as well as installers of systems by other manufacturers.


  • Contributing author, Seismic Provisions for Structural Steel Buildings AISC 2005 (ANSI/AISC 341‐05)
  • Contributing Author, Prequalified Connections for Special and Intermediate Moment Frames for Seismic Applications AISC 2005 (ANSI/AISC 358‐05)
  • Recommended Lateral Force Requirements & Commentary, 1999, 7th Edition, Co‐Leader of Chapter 7 (Steel).
  • Co‐author, 1994 Northridge Earthquake case Studies, Chapter 1.15 Three Tilt‐Up Buildings, tilt up Seismic Safety Commission, 1995
  • Lead author, Commentary and Recommendations on FEMA 350, SEAOC Seismology Committee, January 2002.
  • Authored and presented numerous technical presentations between 1994 and today.
  • Peer reviewer, AISC Engineering Journal Articles, 2000‐2005


  • Bachelor of Science, Civil Engineering – Cum Laude ‐ UCLA