MISSION
To maintain the truss industry on a sound engineering basis. To accomplish its purpose, the Truss Plate Institute establishes methods of design and construction for trusses in accordance with the American National Standards Institute's accredited consensus procedures for coordination and development of American National Standards.
...TECHNICAL ASSISTANCE
TPI's Technical Advisory Committee (TAC) and Staff solve industry problems. Highly respected TAC members (P.E.'s) are leaders in the truss industry, specializing in plate and truss design engineering. TPI membership or participation in the in-plant quality assurance inspection program helps keeps you abreast of the latest technical changes.
...PUBLICATIONS
Temporary bracing recommendations and criteria for the safe handling and erection of wood trusses are available for re-dissemination to truss installers. Also, special articles, truss safety/specialty tags, reprints and promotional materials help truss manufacturers with their business.
...DESIGN STANDARDS
ANSI/TPI 1-2002 is the latest voluntary truss design criteria for the metal plate connected wood truss industry. TPI's truss design and construction standards are developed in accordance with recognized consensus procedures promulgated by the American National Standards Institute. Members and non-members are invited to participate in TPI's ANSI accredited standards writing activities. Increased understanding of product performance leads to expanded markets.
...RESEARCH
TPI funds special research projects. Grants to leading universities and engineering schools solve tough industry performance problems. These include fire research and testing, ceiling-floor partition separation, and truss-floor/roof composite research to name but a few.
...STEEL VERIFICATION
TPI provides a voluntary steel verification program for metal connector plate manufacturers to assure that metal connector plates used in wood truss construction are manufactured exclusively from structural grade ASTM A924 coil steel. The program is open to members and non-members.
...QUALITY ASSURANCE
TPI provides a voluntary in-plant quality assurance inspection service to wood truss manufacturers which helps them meet certain model building code requirements and/or design specifications.
...CODE & INDUSTRY LIAISON
TPI code liaison staff promotes product acceptance with the major model building codes (BOCA, CABO, FHA/HUD, ICBO, SBCCI, WI DIHLR, S. FL Codes). Our industry liaison is with the... American Forest & Paper Association, American National Standards Institute, American Society for Testing and Materials, Forest Products Society, Southern Forest Products Association, Southern Pine Inspection Bureau, U.S.D.A. Forest Products Laboratory, Western Wood Products Association, and Wood Truss Council of America.
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