Rock Splitters, Quarry — Tasks

Task statements

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