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Building Componenr S

GC Exam - Roofing and Rafter Installation

When can trusses be lifted near their peaks? When they are less than or equal 20 feet.
How should trusses that are equal to or greater than or equal to 30 feet be lifted? They should be lifted at the Top Cord Joints near the quarter points of the span.
Top Cord or Parallel Cord Trusses shall be installed so that the gap between the first diagional or vertical web member does not exceed? ½”
What are the allowable bows or tolerances for different truss lengths? BSCI table on page 11
Lateral restraints shall be of what size and placement? 2 x 4 x 12 or greater and lapped over two trusses.
What is the maximum spacing for bottom cord temporary lateral restraints? In rows no greater than 15’ o/c
Who may allow the cutting, drilling or altering of a structural member of the truss? The truss manufacture / registered design professional
All lateral restraint and diagonal bracing material shall be made of? At least 2 x 4 stress-graded lumber
Created by: KKnots