{"data":{"id":"us/30-cfr-75.1434","jurisdiction":"us","citation":"30 CFR 75.1434","heading":"Retirement criteria.","body":"Unless damage or deterioration is removed by cutoff, wire ropes shall be removed from service when any of the following conditions occurs:\n(a) The number of broken wires within a rope lay length, excluding filler wires, exceeds either—\n(1) Five percent of the total number of wires; or\n(2) Fifteen percent of the total number of wires within any strand;\n(b) On a regular lay rope, more than one broken wire in the valley between strands in one rope lay length;\n(c) A loss of more than one-third of the original diameter of the outer wires;\n(d) Rope deterioration from corrosion;\n(e) Distortion of the rope structure;\n(f) Heat damage from any source;\n(g) Diameter reduction due to wear that exceeds six percent of the baseline diameter measurement; or\n(h) Loss of more than ten percent of rope strength as determined by nondestructive testing.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","Subpart O—Hoisting and Mantrips"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"ef0e42bcf05bdaf34247ee6050b11b25b5e3995053be0b91692ced10848a0e43","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.1433","next":"us/30-cfr-75.1435"},"notice":"GroundRules: Original legal text. Not legal advice."}