| SPECIFYING TRUSSES |
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Truss Specification - Updated February 2008
A metal plate connected wood truss specification is available in the 2004 Master Format for Section 061753 Shop Fabricated Wood Trusses. It is a great way to keep truss specifications up-to-date and in-line with industry practice. Just download the form and copy it into current project specification documents. |
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Span Charts
These representative truss span tables provide an idea of the truss spans available for a particular load condition, load duration, lumber type and truss configuration. These tables are intended only to be guidelines, as they do not contain all of the available designs, loadings, and/or configurations available to the user through today’s sophisticated computer software programs. Individuals needing assistance beyond the scope of these span tables should consult a local truss manufacturer. Search for a manufacturer in the SBCA Member Listing. |
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Structural Details for CAD
Free downloads of over 100 structural details for roof trusses, floor trusses, hangers, hold-downs and temporary bracing. The files are in .DXF format so they can be edited or inserted directly into construction plans. |
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| TECHNICAL ISSUES |
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Design Standard for Trusses
Metal plate connected wood trusses (MPCWT) are designed and manufactured to comply with the code-referenced standard ANSI/TPI 1 National Design Standard for Metal Plate Connected Wood Truss Construction developed by the Truss Plate Institute. Design software for MPCWT is developed by the metal connector plate manufacturers but is available only to bona fide truss manufacturing operations under contract with their plate manufacturer. Visit SBCA's Product Catalog to purchase ANSI/TPI 1 and the WTCA Handbook as a set. |
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Building Codes & Standards
The latest code developments affecting structural components and where to
find the codes and standards used in the industry. |
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Loads & Trusses
This web page contains information about determining loads on structures and is home to the SBCA Load Guide – a spreadsheet load calculator for Building Designers. |
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Fire & Wood Trusses
This web page contains information about fire rated assemblies, fire service education, and repairs to fire damage. |
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SBCA Tech Notes
Clarifications and interpretations of tech issues that Component Manufacturers face every day. |
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| TEMPORARY & PERMANENT BRACING |
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Bracing Publications
This web page lists links to all current industry bracing guidelines. |
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Long Span Truss Installation
This web page explains the extra precautions required for installing trusses 60-feet and greater in length. |
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| DESIGN RESPONSIBILITIES |
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Responsibilities in the Design Process Involving MPCWT
This document, a reprint of the Chapter 2 of ANSI/TPI 1-2007, defines and draws attention to the responsibilities of the Truss Designer or Truss Design Engineer and Truss Manufacturer and discusses the requirements for the Owner and qualifications of the Building Designer, Registered Design Professional for the building, and Contractor with respect to the application of trusses in the construction of a building. |
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What Every Architect/Engineer Should Know About Metal Plate Connected Wood Floor/Roof Trusses (Draft)
By John E. Meeks, PE
A discussion about pre-engineered, prefabricated, Metal Plate Connected Wood Trusses and how they may be integrated into a structural system to meet the expectations of today’s practicing Architects and Engineers. |
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