1926.753(d)
Working under loads.

1926.753(d)(1)
Routes for suspended loads shall be pre-planned to ensure that no employee is required to work directly below a suspended load except for:

1926.753(d)(1)(i)
Employees engaged in the initial connection of the steel; or

1926.753(d)(1)(ii)
Employees necessary for the hooking or unhooking of the load.

1926.753(d)(2)
When working under suspended loads, the following criteria shall be met:

1926.753(d)(2)(i)
Materials being hoisted shall be rigged to prevent unintentional displacement;

1926.753(d)(2)(ii)
Hooks with self-closing safety latches or their equivalent shall be used to prevent components from slipping out of the hook; and

1926.753(d)(2)(iii)
All loads shall be rigged by a qualified rigger