Article 1 - Ground Control
- Section 4VAC25-40-2770 - Ground support
- Section 4VAC25-40-2780 - Loose ground
- Section 4VAC25-40-2790 - Inspection of work area
- Section 4VAC25-40-2800 - Scaling bar to be provided
- Section 4VAC25-40-2810 - Timbers to be blocked or wedged
- Section 4VAC25-40-2820 - Installation of ground support in shafts
- Section 4VAC25-40-2830 - Shaft pillars
- Section 4VAC25-40-2840 - Rock-bolt installations
- Section 4VAC25-40-2850 - Acceptable rock-bolting materials
- Section 4VAC25-40-2860 - Rock-bolt hole drill bits
- Section 4VAC25-40-2870 - Rock-bolt torque tests
- Section 4VAC25-40-2880 - Rock-bolt anchorage tests
- Section 4VAC25-40-2890 - Torque test requirements