David T. Biggs, P.E., Consultant
David currently serves as a Consultant to Ryan-Biggs. He was Vice President from 1978-1997 and President from 1997-2005. He specializes in forensic engineering, and masonry design and restoration. He also lectures frequently and is involved with research projects and provides consulting for the development of new masonry products.
Bachelor of Science in Civil Engineering, Rensselaer Polytechnic Institute
Master of Engineering, Rensselaer Polytechnic Institute
Registered Professional Engineer: New York, Connecticut, Kansas, Kentucky, Maryland, Massachusetts, Michigan, New Hampshire, Ohio, Pennsylvania, and Vermont.
“Building Façade Case Studies”
“Planning for Success with Loadbearing Masonry”
“Designing and Constructing with Concrete Masonry”
“Field Techniques for Mortar Replication”
“Structural Issues for Emergency and Post-Disaster Inspections”
“Development of a Mortarless Post-Tensioned Masonry Wall System”
“World Trade Center Building Performance Assessment Study”
“World Trade Center Disaster – Masonry Assessment”
“Structural Lessons Learned from September 11, 2001”
“Structural Redundancy of Masonry”
“Thinking Inside the Box with Concrete Masonry”
“F’m 2000 – What’s It All About?”
“Restoration of Egyptian Monuments,” Structure, September 2006.
“Multiple-Path Diagnosis for Restoration,” Proceedings of the First International Conference on Restoration of Heritage Masonry Structures, Cairo, Egypt,” May 2006.
“Brick Nogging: Historical Investigation and Contemporary Repair,” Construction Specifier, May 2006.
“Masonry Designers’ Guide Second-Fifth Editions,” The Masonry Society, contributing author
“Masonry Tallwall Design Guide based on the 2003 International Building Code,” International Masonry Institute, February 2005.
2003 Engineer of the Year, New York State Society of Professional Engineers
2003 Engineer of the Year, NY Association of Consulting Engineers
Certified by Structural Engineering Certification Board, 2008
Member of the Building Assessment Team assigned to investigate the World Trade Center disaster for the Federal Emergency Management Agency (FEMA) and the American Society of Civil Engineers (ASCE).
Consultant to the Supreme Council of Antiquities for the Republic of Egypt. Part of a six-member international team providing restoration guidelines for use throughout Egypt.
Distinguished Member of ASCE
American Society of Civil Engineers, President Mohawk-Hudson Section, 1986
Structural Engineering Institute Board of Governors
Capital District Masonry Institute, Planning Committee
National Society of Professional Engineers
Association for Preservation Technology
American Institute of Steel Construction
The Masonry Society
Building Seismic Safety Council, Masonry Structures Subcommittee
International Masonry Society
New York State Code Council, Technical Subcommittee
First International Conference of the Restoration of Heritage Structure, Cairo, 2005-06
10th North American Masonry Conference, Technical Committee, 2005-07
RILEM, Senior Member
Restoration of the New York State Education Building
Fort Ticonderoga, various projects
Cornell University, various projects
Restoration of the Jean Hasbrouck House
Restoration of Kent's Tavern