# Rock Splitters, Quarry > Separate blocks of rough dimension stone from quarry mass using jackhammers, wedges, or chop saws. - Code: 47-5051.00 (O*NET-SOC; SOC 2018 47-5051) - Family: [Construction & Extraction](https://foundation.org.ai/occupations#family-47), one of its 65 occupations - Tasks: 9 tasks (4 core and 5 supplemental) - Page: https://foundation.org.ai/occupations/47-5051.00 - JSON: https://foundation.org.ai/data/tasks/47-5051.00.json ## What the work is made of 1. Locate grain line patterns to determine how rocks will split when cut. Core task · Task 14966 · Rated by 62 people who do the job, June 2008 2. Remove pieces of stone from larger masses, using jackhammers, wedges, and other tools. Core task · Task 14967 · Rated by 63 people who do the job, June 2008 3. Insert wedges and feathers into holes, and drive wedges with sledgehammers to split stone sections from masses. Core task · Task 14968 · Rated by 63 people who do the job, June 2008 4. Mark dimensions or outlines on stone prior to cutting, using rules and chalk lines. Core task · Task 14969 · Rated by 60 people who do the job, June 2008 5. Cut slabs of stone into sheets that will be used for floors or counters. Supplemental task · Task 14970 · Rated by 61 people who do the job, June 2008 6. Set charges of explosives to split rock. Supplemental task · Task 14971 · Rated by 58 people who do the job, June 2008 7. Drill holes along outlines, using jackhammers. Supplemental task · Task 14972 · Rated by 57 people who do the job, June 2008 8. Drill holes into sides of stones broken from masses, insert dogs or attach slings, and direct removal of stones. Supplemental task · Task 14973 · Rated by 59 people who do the job, June 2008 9. Cut grooves along outlines, using chisels. Supplemental task · Task 14974 · Rated by 62 people who do the job, June 2008 ## More in Construction & Extraction - [Boilermakers](https://foundation.org.ai/occupations/47-2011.00): 17 tasks - [Brickmasons and Blockmasons](https://foundation.org.ai/occupations/47-2021.00): 14 tasks - [Carpenters](https://foundation.org.ai/occupations/47-2031.00): 29 tasks - [Carpet Installers](https://foundation.org.ai/occupations/47-2041.00): 16 tasks - [Cement Masons and Concrete Finishers](https://foundation.org.ai/occupations/47-2051.00): 26 tasks - [Construction and Building Inspectors](https://foundation.org.ai/occupations/47-4011.00): 19 tasks - [Construction and Related Workers, All Other](https://foundation.org.ai/occupations/47-4099.00): no tasks listed - [Construction Laborers](https://foundation.org.ai/occupations/47-2061.00): 27 tasks - [Continuous Mining Machine Operators](https://foundation.org.ai/occupations/47-5041.00): 15 tasks - [Derrick Operators, Oil and Gas](https://foundation.org.ai/occupations/47-5011.00): 15 tasks - 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[Underground Mining Machine Operators, All Other](https://foundation.org.ai/occupations/47-5049.00): no tasks listed - [Weatherization Installers and Technicians](https://foundation.org.ai/occupations/47-4099.03): 20 tasks ## Where this comes from Quoted from O*NET 29.0, U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0: free to copy and reuse, with credit. 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