Kelly Turbin


Kelly Turbin, P.E., established Turbin Design Associates Inc., TDA Structural after a comprehensive career in structural engineering in the San Francisco Bay Area. Mr. Turbin is principal in charge of management, structural engineering and technical oversight for the firm. He received his Bachelor’s of Science Degree in Civil Engineering and a Masters in Science Degree in Structural Engineering both from Cal Poly San Luis Obispo. The Canadian Journal of Composites Construction published his Graduate Thesis entitled “Material Degradation Effects on Flexural Capacity of Fiber Reinforced Polymer Concrete Beams”.

He has extensive experience working on buildings throughout California and the western United States. Structural engineering projects include a broad spectrum of building types, sizes, ages of construction, and architecture. His management and business philosophy has earned respect and praise from the clients and architects he has worked with.

Design experience

• Single Family Residential Buildings – New custom homes, Renovations and Additions, damage repair, foundation repair
• Multi-Unit Residential Buildings – New single story and multi-story buildings, renovation, seismic strengthening
• Earthquake damage repair - commercial and residential buildings
• Seismic upgrades of commercial buildings, types including Unreinforced Brick, Wood Framed, Concrete, Steel, CMU
• Seismic analysis and evaluation of commercial buildings
• Commercial Renovations – Retail, Offices, Industrial, Entertainment
• Educational – Public and Private Schools, New construction and Renovation, New University Research Building
• Government Buildings – Police/Fire Stations, City Hall Building, and Libraries

Management and Business Philosophy

• We will provide precise and impartial structural design drawings and calculations
• We will maintain creative flexibility when working with architects during preliminary design
• We provide timely responses to all inquiries from Architects and Contractors during construction
• We will respond to site visit requests within 24 hours
• Our structural designs always keep value in mind to minimize construction costs while never compromising the structural integrity of the building
• We will always be a fierce advocate for clients, before, during and after construction
• We will provide our clients with honest, itemized invoices for services rendered before and during construction

Professional Associations
Structural Engineering Association of Northern California, Member (SEAONC)
American Society of Civil Engineers, Member (ASCE)
American Concrete Institute (ACI)
American Association of Architects (AIA)
Structural Engineering Certification Board (SECB)