StacksVerified U.S. regulatory reference

30 CFR §57.19050

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Buckets used to hoist persons during vertical shaft sinking operations shall—
  1. (a)Be securely attached to a crosshead when traveling in either direction between the lower and upper crosshead parking locations;
  2. (b)Have overhead protection when the shaft depth exceeds 50 feet;
  3. (c)Have sufficient depth or a suitably designed platform to transport persons safely in a standing position; and
  4. (d)Have devices to prevent accidental dumping where the bucket is supported by a bail attached to its lower half.