[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: 30CFR56.19022] [Page 312] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56_SAFETY AND HEALTH STANDARDS_SURFACE METAL AND NONMETAL MINES --Table of Contents Subpart R_Personnel Hoisting Sec. 56.19022 Initial measurement. After initial rope stretch but before visible wear occurs, the rope diameter of newly installed wire ropes shall be measured at least once in every third interval of active length and the measurements averaged to establish a baseline for subsequent measurements. A record of the measurements and the date shall be made by the person taking the measurements. This record shall be retained until the rope is retired from service. [50 FR 4054, Jan. 29, 1985, as amended at 60 FR 33723, June 29, 1995]