{"data":{"id":"us/30-cfr-57.14112","jurisdiction":"us","citation":"30 CFR 57.14112","heading":"Construction and maintenance of guards.","body":"(a) Guards shall be constructed and maintained to—\n(1) Withstand the vibration, shock, and wear to which they will be subjected during normal operation; and\n(2) Not create a hazard by their use.\n(b) Guards shall be securely in place while machinery is being operated, except when testing or making adjustments which cannot be performed without removal of the guard.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","Subpart M—Machinery and Equipment"],"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":"4ed4db24bbfb27e2c4f246ca2001c4c8b81854c4baf6c3ff22d0d8a22655d640","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.14111","next":"us/30-cfr-57.14113"},"notice":"GroundRules: Original legal text. Not legal advice."}