StacksVerified U.S. regulatory reference

30 CFR §56.19130

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Before hoisting persons and to assure that the hoisting compartments are clear of obstructions, empty hoist conveyances shall be operated at least one round trip after:
  1. (a)Any hoist or shaft repairs or related equipment repairs that might restrict or obstruct conveyance clearance;
  2. (b)Any oversize or overweight material or equipment trips that might restrict or obstruct conveyance clearance;
  3. (c)Blasting in or near the shaft that might restrict or obstruct conveyance clearance; or
  4. (d)Remaining idle for one shift or longer.