Post Tensioning Institute

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Mr. Vejvoda is responsible for PTI’s technical publication development, is Secretary of the Technical Advisory Board (TAB), and is the Editor of the PTI JOURNAL. He provides technical assistance on matters related to PT design and construction. He has been involved in the design and construction of all kinds of PT applications across the U.S. and in Europe for over 25 years. He is a Fellow of ASCE and ACI and is a member of ACI Committees 301, Specifications for Concrete; 350, Environmental Engineering Concrete Structures; and Joint ACI-ASCE Committee 423, Prestressed Concrete.

Mr. Kline has over 24 years of experience in the design, construction, and repair of post-tensioned concrete structures. He serves on several PTI and ACI committees, including DC-20, Building Design; the PTI Technical Advisory Board (TAB); and Joint ACI-ASCE Committee 423, Prestressed Concrete. Mr. Kline serves on the PTI Board of Directors and is the current Vice President of the ACI National Capital Chapter.

Mr. Kopczynski has broad experience in the design of post-tensioned concrete buildings. His firm’s projects include apartment and condominium towers, office buildings, hotels, and parking structures. Mr. Kopczynski is a member of several ACI Committees, including ACI Committee 318, Structural Concrete Building Code, and is a Past President of the ACI Washington State Chapter. He chairs the Technical Advisory Board of PTI and serves on the PTI Board of Directors.

Mr. Allred has extensive experience in PT design. He is a member of the Structural Engineers Association of California (SEAOC), ACI, and PTI. His primary consulting practice is in the design of post-tensioned concrete buildings and the use of PT in the retrofi t of existing structures. Mr. Allred has taught numerous structural engineering courses at both California State Polytechnic University, Pomoma; and the University of California, Irvine.

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