{"data":{"id":"us/30-cfr-57.4503","jurisdiction":"us","citation":"30 CFR 57.4503","heading":"Conveyor belt slippage.","body":"(a) Surface belt conveyors within confined areas where evacuation would be restricted in the event of a fire resulting from belt-slippage shall be equipped with a detection system capable of automatically stopping the drive pulley.\n(b) Underground belt conveyors shall be equipped with a detection system capable of automatically stopping the drive pulley if slippage could cause ignition of the belt.\n(c) A person shall attend the belt at the drive pulley when it is necessary to operate the conveyor while temporarily bypassing the automatic function.","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 C—Fire Prevention and Control"],"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":"ca68be532030091a770e7d4be947308bc609cc28042ebef4ee09594c823d7823","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.4502","next":"us/30-cfr-57.4504"},"notice":"GroundRules: Original legal text. Not legal advice."}