About the Authors

Kenneth A. Luttrell, PE/CE/SE, MACI

  • M.S. in Structural Engineering at Stanford University — 1964
  • Practicing Structural Engineer since 1964 — Designing new buildings and retrofits of existing buildings, evaluating structural systems of existing buildings and structures, performing peer reviews and detailed third-party code compliance reviews.
  • Leader on the structural evaluation of an all-concrete house for presentation at the 2008 Insulating Concrete Form Association (IFCA) Conference In Orlando, FL.
  • Participant on the Tilt-up Concrete Association, (TCA), Task Group that evaluated the structural capability of the Tilt-up Panels and their connections to the roof of the Home Depot building that was destroyed by the EF-5 Tornado in Joplin, Missouri in 2011.
  • Licensed California Structural Engineer since 1966.
  • Vice President of CYS Structural Engineers, Inc. — Leading Sacramento, CA Structural Engineering firm for 40+ years.
  • Past President of the Structural Engineers Association of California, (SEAOC).
  • Chairman of the SEAOC State Seismology Committee during final development of the Seismic Provisions adopted in the last edition of the Uniform Building Code, (1997 UBC).
  • Chairman of the SEAOC State Existing Buildings Committee 2010 — 2011.
  • Chairman of the SEAOC State Wind Code Committee since 1985.

Joseph C. E. Warnes, PE/CE, FACI, FPCI

  • Bachelor of Science in Civil/Structural Engineering, Ohio State University, 1951
  • Portland Cement Association, Field and Statewide Paving Engineer, Columbus Ohio 1954-1964
  • Portland Cement Association, Special Representative to State and Federal Agencies, Sacramento California, Project Manager for Design and Construction of Disaster-Resistant Concrete Houses for California State Migrant Worker Housing Demonstration Project 1964-1968
  • Portland Cement Association, District Engineer and Regional Manager, Denver Colorado 1968-1972
  • Morrison-Knudsen Construction Co. and H. K. Ferguson Co, North American Regional Manager, Turnkey Civil and Mechanical Contractors 1972-1976
  • Vice President, Project Manager, Food Industries Engineering Company, food processing factories, Iran and Turkey 1976-1978
  • Assistant Executive Construction Manager, construction of King Abdulazizz University, Riyadh, Saudi Arabia 1978-1980


  • Transportation and Engineer Management (TEAM) company, Start-up project manager and trainer, for Saudi Arabia Minister of Foreign Affairs, Diplomatic Quarter Project, Riyadh, Saudi Arabia 1980-1983
  • TEAM, Seminar lecturer to Arab engineers, Middle East and North Africa: subjects Project Management and Precast Concrete Technology 1980-1989
  • Splice Sleeve Japan Limited, created United States company to market high-strength mechanical connectors for concrete reinforcing bars, 1978-1994
  • Citizens Democracy Corps, USAID, U. S. Department of State, mentor to construction companies in Poland, Romania and Russia, 1995-2000
  • Project Manager, Preliminary engineering for the construction of insulated disaster resistant concrete houses in Russia Far East and Yuzhno Sakhalinsk (Sakhalin), USAID 1997-1998
  • Keynote speaker at the first Russian Project Management Association convention on the subject of Computerized Project Management Systems, Moscow, 1999
  • Supervised design and construction of award-winning seismic-resistant insulated concrete house in Iasi, Romania 2002-2005
  • Captain, U. S. Naval Air Reserve — Retired

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