Erection of Steel Joists
For steel joists in OSHA Standard 1926.757 Tables A and B that require bridging:
- Attach both sides of the seat of one end of each steel joist to the support structure before hoisting cables are released.
For joists more than 60 feet:
- Both ends of the joist must be attached as specified in steel joists and steel joist girders.
- The provisions of erection bridging must be met before the hoisting cables are released.
On steel joists that do not require erection bridging under Tables A and B, only one employee shall be allowed on the joist until all bridging is installed and anchored.
Employees shall not be allowed on steel joists where the span of the steel joist is equal to or greater than the span shown in Tables A and B except in accordance with OSHA 1926.757(d), Erection bridging.
When permanent bridging terminus points cannot be used during erection, additional temporary bridging terminus points are required to provide stability.
Knowledge Check Choose the best answer for the question.
3-15. On steel joists that do not require erection bridging under OSHA Standard 1926.757 Tables A and B, only one employee is allowed on the joist _____.
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