[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19026] [Page 396] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57_SAFETY AND HEALTH STANDARDS_UNDERGROUND METAL AND NONMETAL MINES --Table of Contents Subpart R_Personnel Hoisting Sec. 57.19026 Drum end attachment. (a) For drum end attachment, wire rope shall be attached-- (1) Securely by clips after making one full turn around the drum spoke; (2) Securely by clips after making one full turn around the shaft, if the drum is fixed to the shaft; or (3) By properly assembled anchor bolts, clamps, or wedges, provided that the attachment is a design feature of the hoist drum. Design feature means either the manufacturer's original design or a design approved by a registered professional engineer. (b) A minimum of three full turns of wire rope shall be on the drum when the rope is extended to its maximum working length.