{"data":{"id":"us-va/4vac25-40-4360","jurisdiction":"us-va","citation":"4VAC25-40-4360","heading":"Diameter specifications","body":"Diameters of head sheaves and hoist drums shall conform to the following specifications:\n\nRope construction\n\nDiameter of sheave and drum\n\nRecommended\n\nTimes rope diameter\n\nMinimum\n\nTimes rope diameter\n\n6 x 7 classification\n\n72\n\n42\n\n6 x 19\n\n45\n\n30\n\n6 x 37\n\n20\n\n18\n\n6 x 25 type B, flattened strand\n\n45\n\n30\n\n6 x 27 type H, flattened strand\n\n45\n\n30\n\n6 x 30 type G, flattened strand\n\n45\n\n30\n\n18 x 7 classification\n\n51\n\n34","path":["Title 4. Conservation And Natural Resources","Agency 25. Department of Energy","Chapter 40. Safety and Health Regulations for Mineral Mining","Part XV. Safety and Health Regulations—Underground Only","Article 10. Personnel Hoisting"],"source_url":"https://law.lis.virginia.gov/admincode/title4/agency25/chapter40/section4360/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:08Z","sha256":"c0a1f7ebd073a82fb6b5bd8b45495cf2939d85f8de26b185637723fd3c4ac16d","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-4350","next":"us-va/4vac25-40-4370"},"notice":"GroundRules: Original legal text. Not legal advice."}