30 CFR 57.19050 - Bucket requirements.
Buckets used to hoist persons during vertical shaft sinking operations shall—
(a) Be securely attached to a crosshead when traveling in either direction between the lower and upper crosshead parking locations;
(c) Have sufficient depth or a suitably designed platform to transport persons safely in a standing position; and
Title 30 published on 2014-07-01.
No entries appear in the Federal Register after this date, for 30 CFR Part 57.