29 CFR 1926.1432 - Multiple-crane/derrick lifts - supplemental requirements.
(a)Plan development. Before beginning a crane/derrick operation in which more than one crane/derrick will be supporting the load, the operation must be planned. The planning must meet the following requirements:
(1) The plan must be developed by a qualified person.
(2) The plan must be designed to ensure that the requirements of this subpart are met.
(1) The multiple-crane/derrick lift must be directed by a person who meets the criteria for both a competent person and a qualified person, or by a competent person who is assisted by one or more qualified persons (lift director).
(2) The lift director must review the plan in a meeting with all workers who will be involved with the operation.