Article 5. Drilling
4VAC25-40-3480. Drilling machine operation.
Persons operating or working near drilling machines shall position themselves so that they will not be struck or lose their balance if the steel breaks or sticks.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.72, eff. July 19, 1989.
4VAC25-40-3490. Drilling machine control levers.
Persons shall not attempt to operate drills from positions that hinder their access to the control levers.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.73, eff. July 19, 1989.
4VAC25-40-3500. Secure footing when drilling.
Drilling shall not be attempted from insecure footing or staging or from atop equipment not designed for this purpose.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.74, eff. July 19, 1989.
4VAC25-40-3510. Procedure when collaring holes.
Persons shall not hold the drill steel while collaring holes, rest their hands on the chuck or centralizer while drilling.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.75, eff. July 19, 1989.
4VAC25-40-3520. Procedure for moving portable drills.
Air shall be turned off before moving portable drills from one face to another.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.76, eff. July 19, 1989.
4VAC25-40-3530. Receptacles or racks.
Receptacles or racks shall be provided for drill steel stored on jumbos.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.77, eff. July 19, 1989.
4VAC25-40-3540. Warning to persons below jumbo decks.
Before drilling cycle is started, warning shall be given to persons working below jumbo decks.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.78, eff. July 19, 1989.
4VAC25-40-3550. Anchoring of drills on columns.
Drills on columns shall be anchored firmly before drilling is started and shall be retightened frequently thereafter.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.79, eff. July 19, 1989.