# Tasks & work activities — stone splitter

Source: O*NET 30.3, occupation 47-5051.00 (Rock Splitters, Quarry).

## Task statements

- **[Core]** Locate grain line patterns to determine how rocks will split when cut.
- **[Core]** Remove pieces of stone from larger masses, using jackhammers, wedges, and other tools.
- **[Core]** Insert wedges and feathers into holes, and drive wedges with sledgehammers to split stone sections from masses.
- **[Core]** Mark dimensions or outlines on stone prior to cutting, using rules and chalk lines.
- **[Supplemental]** Cut slabs of stone into sheets that will be used for floors or counters.
- **[Supplemental]** Set charges of explosives to split rock.
- **[Supplemental]** Drill holes along outlines, using jackhammers.
- **[Supplemental]** Drill holes into sides of stones broken from masses, insert dogs or attach slings, and direct removal of stones.
- **[Supplemental]** Cut grooves along outlines, using chisels.

## Detailed work activities

- Break up rock, asphalt, or concrete.
- Cut tile, stone, or other masonry materials.
- Direct construction or extraction personnel.
- Drill holes in earth or rock.
- Examine physical characteristics of natural stone or stone products.
- Mark reference points on construction materials.
- Operate detonation equipment.