30 CFR § 77.1012 - Jackhammers; operation; safeguards.

---
identifier: "/us/cfr/t30/s77.1012"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 77.1012 - Jackhammers; operation; safeguards."
title_number: 30
title_name: "Mineral Resources"
section_number: "77.1012"
section_name: "Jackhammers; operation; safeguards."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "O"
subchapter_name: "COAL MINE SAFETY AND HEALTH"
part_number: "77"
part_name: "MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811."
regulatory_source: "36 FR 9364, May 22, 1971, unless otherwise noted."
cfr_part: "77"
---


# 77.1012 Jackhammers; operation; safeguards.

Men operating or working near jackhammers or jackleg drills, or other drilling machines shall position themselves so that they will not be struck or lose their balance if the drill steel breaks or sticks.