30 CFR Part 56Public Domain
§ 56.19130 — Conveyance shaft test
Subpart R — Personnel Hoisting
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:
(a)Any hoist or shaft repairs or related equipment repairs that might restrict or obstruct conveyance clearance;
(b)Any oversize or overweight material or equipment trips that might restrict or obstruct conveyance clearance;
(c)Blasting in or near the shaft that might restrict or obstruct conveyance clearance; or
(d)Remaining idle for one shift or longer.
Public Domain: 30 CFR Part 56 (MSHA Safety and Health Standards — Surface Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.