ALLOWABLE HOLES - AHJ Engineers

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36 iLevel Trus Joist® Beam, Header, and Column Specifier’s Guide TJ-9000 November 2006 Other iLevel™ Trus Joist® Headers and Beams Round holes only. No holes in headers or beams in plank orientation. General Notes General Notes Allowed hole zone suitable for uniformly loaded headers and beams only. Round holes only. No holes in cantilevers.

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