Current through Vol. 24-22, December 15, 2024
Section R. 408.42045 - Mechanical demolitionRule 2045.
(1) Mechanical equipment shall not be used on a floor or other working surface unless the floor or surface is capable of supporting the imposed load of the equipment and the anticipated material loads.(2) Equipment used in mechanical demolition shall comply with both of the following: (a) Only be operated by a qualified and authorized employee.(b) Meets the requirements prescribed in the applicable rules of Part 10. Lifting and Digging Equipment, and Part 13. Mobile Equipment, R 408.41001 et seq. and R 408.41301 et seq. of the Michigan Administrative Code.(3) A floor or wall opening shall have curbs or stop logs, as prescribed in R 408.42034 to prevent mechanical equipment from running over the edge.(4) Only those employees necessary to the operation of mechanical demolition equipment shall be permitted in the demolition area at any time.(5) The weight of a demolition ball shall not be more than 50% of the cranes rated load based on the boom length and the maximum angle of operation that the ball will be used, or the weight shall not be more than 25% of the nominal breaking strength of the line and connection by which it is suspended, whichever is the lesser.(6) The crane boom and load line shall be as short as possible to accomplish the job.(7) The ball shall be positively connected to the load line with a swivel connector to prevent accidental disconnection and to prevent twisting of the line.(8) Roof cornices and other ornamental stonework shall be removed before pulling a wall over, except when balling or clamming.Mich. Admin. Code R. 408.42045