Landing and Placing Loads
During the construction period, the employer placing a load on steel joists must ensure the load is distributed so as not to exceed the carrying capacity of any steel joist.
Cranes Placing Loads
Except as noted below, no construction loads are allowed on the steel joists until all bridging is installed and anchored and all joist-bearing ends are attached.
The weight of a bundle of joist bridging must not exceed a total of 1,000 pounds, and:
- A bundle of joist bridging must be placed on a minimum of three steel joists that are secured at one end.
- The edge of the bridging bundle must be within 1 foot of the secured end.
No bundle of decking may be placed on steel joists until:
- All bridging has been installed and anchored.
- All joist bearing ends are attached, unless a qualified person has first determined the structure or portion of the structure is capable of supporting the load and documented it in the site-specific erection plan.
- The bundle of decking is placed on a minimum of three steel joists.
- The joists supporting the bundle of decking are attached at both ends.
- At least one row of bridging is installed and anchored.
- The total weight of the bundle of decking does not exceed 4,000 pounds.
- Placement of the bundle of decking is within 1 foot of the bearing surface of the joist end.
The edge of any construction load must be placed within 1 foot of the bearing surface of the joist end.
Knowledge Check Choose the best answer for the question.
3-17. The edge of any construction load must be placed within ____ of the bearing surface of the joist end.
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