Subjgrp 183. Escapeways—Underground Only
- § 57.11050 - Escapeways and refuges.
- § 57.11051 - Escape routes.
- § 57.11052 - Refuge areas.
- § 57.11053 - Escape and evacuation plans.
- § 57.11054 - Communication with refuge chambers.
- § 57.11055 - Inclined escapeways.
- § 57.11056 - Emergency hoists.
- § 57.11058 - Check-in, check-out system.
- § 57.11059 - Respirable atmosphere for hoist operators underground.