Substantial fixed ladders shall be maintained as near the shaft bottom as practical during shaft sinking operations. Chain, wire rope, or other extension ladders shall be used from the fixed ladder to the shaft bottom, unless other suitable means are approved.
4 Va. Admin. Code § 25-40-4870
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.