Article 4 Roof, Face, and Rib Control

This article is comprised of the following sections:
  • §45.2-709 Roof, face, and ribs to be secure
  • §45.2-710 Roof control plans
  • §45.2-711 Instruction of miners
  • §45.2-712 Copies of plan
  • §45.2-713 Automated temporary roof support systems
  • §45.2-714 Supplies of materials for supports
  • §45.2-715 Examination and testing of roof, face, and ribs
  • §45.2-716 Mapping of roof falls
  • §45.2-717 Unsafe conditions
  • §45.2-718 Removal of supports