| Job Title |
Stopping Builder |
| Job Description |
Builds Doorways And Brattices (ventilation Walls Or Partitions
In Underground Passageways) Of Materials, Such As Canvas, Wood,
Concrete, Brick, Or Concrete Block As Specified To Construct
Partition To Control Circulation Of Air Through Passageways And
Working Areas. Erects Partitions To Support Roof In Areas
Unsuited To Timbering Or Bolting. May Install Rigid And Flexible
Air Ducts To Transport Air Into Work Areas. May Drill And Blast
Obstructing Bolders To Reopen Ventilation Shafts.
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