NAC618.394. Plan for erection or dismantling of tower crane: Submission; contents; maintenance on location; meeting for review.

     1. Except in an emergency, at least 15 working days before a tower crane is erected or dismantled, the prime contractor for the project which requires the use of a crane to erect or dismantle a tower crane shall submit to the Enforcement Section for its review a plan for the erection or dismantling of the tower crane.

     2. The plan required pursuant to subsection 1 must set forth:

     (a) The recommendations of the manufacturer of the tower crane for the erection or dismantling of the crane;

     (b) The weight of each component of the tower crane which must be lifted during the erection or dismantling of the crane;

     (c) A diagram of the riggings which shows the points of attachment of the riggings to the crane and the size and capacity of the hardware used to attach the riggings to the crane;

     (d) Any point of potential interference between the crane, the load and existing structures;

     (e) Any special requirement for supporting the outriggers and tracks of the crane, including a statement addressing any conditions of the ground;

     (f) A study which shows:

          (1) The location of the crane which will be used to erect or dismantle the tower crane in plan and profile view that specifically notes the locations of the initial lift and final placement of the components of the tower crane;

          (2) The configuration of the boom, counterweights and attachments for the lift of each component; and

          (3) The maximum lifting capacity of the crane as specified on the load rating chart of the crane and the actual weight of the anticipated loads;

     (g) A description of the sequence of steps to be followed to erect or dismantle the tower crane and any special requirements for the safe execution of each step;

     (h) The procedure for communication and assignment of responsibility among:

          (1) The members of the crew which erects or dismantles the tower crane;

          (2) The person who supervises the erection or dismantling of the tower crane; and

          (3) The operator of the tower crane and the operators of any machinery which is required to erect or dismantle the tower crane;

     (i) A description of the manner in which the clear zone required pursuant to NAC 618.397 will be maintained;

     (j) The name of any person who will operate the tower crane or any other crane used to erect or dismantle the tower crane; and

     (k) A copy of the certificate of operation of each crane used to erect or dismantle the tower crane.

     3. A copy of the plan required pursuant to subsection 2 must be maintained at the location where the tower crane is erected or dismantled.

     4. The prime contractor shall ensure that a meeting is conducted at the location where the tower crane will be erected or dismantled immediately before the tower crane is erected or dismantled to review the plan and the manner in which a clear zone will be established. The following persons shall attend the meeting:

     (a) The members of the crew which erects or dismantles the tower crane;

     (b) The person who supervises the erection or dismantling of the tower crane;

     (c) The operator of the tower crane and the operators of any machinery which is required to erect or dismantle the tower crane;

     (d) A representative of the prime contractor;

     (e) A representative of the owner of the tower crane, if the owner of the tower crane is not already represented at the meeting; and

     (f) A representative of the owner or lessee of the property upon which the tower crane will be erected or dismantled.

     (Added to NAC by Div. of Industrial Relations, eff. 2-25-97)