af05383bb1
Snapshot before the quality program (relevance gates, tiered mapping, QA linter). v1 is the immutable before/after reference; evidence crawl was at ~175/3039 occupations when tagged. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PDKeXvpT6tENSvyQGLV1Uq
55 lines
3.7 KiB
Markdown
55 lines
3.7 KiB
Markdown
# Tasks & work activities — sewerage cleaner
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Source: O*NET 30.3, occupation 47-4071.00 (Septic Tank Servicers and Sewer Pipe Cleaners) — manual nearest-occupation mapping via ISCO group 9129; the official ESCO crosswalk has no entry for this ESCO occupation.
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## Task statements
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- **[Core]** Drive trucks to transport crews, materials, and equipment.
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- **[Core]** Communicate with supervisors and other workers, using equipment such as wireless phones, pagers, or radio telephones.
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- **[Core]** Prepare and keep records of actions taken, including maintenance and repair work.
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- **[Core]** Operate sewer cleaning equipment, including power rodders, high-velocity water jets, sewer flushers, bucket machines, wayne balls, and vac-alls.
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- **[Supplemental]** Ensure that repaired sewer line joints are tightly sealed before backfilling begins.
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- **[Supplemental]** Withdraw cables from pipes and examine them for evidence of mud, roots, grease, and other deposits indicating broken or clogged sewer lines.
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- **[Supplemental]** Install rotary knives on flexible cables mounted on machine reels, according to the diameters of pipes to be cleaned.
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- **[Core]** Measure excavation sites, using plumbers' snakes, tapelines, or lengths of cutting heads within sewers, and mark areas for digging.
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- **[Core]** Locate problems, using specially designed equipment, and mark where digging must occur to reach damaged tanks or pipes.
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- **[Core]** Clean and repair septic tanks, sewer lines, or related structures such as manholes, culverts, and catch basins.
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- **[Supplemental]** Start machines to feed revolving cables or rods into openings, stopping machines and changing knives to conform to pipe sizes.
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- **[Core]** Service, adjust, and make minor repairs to equipment, machines, and attachments.
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- **[Core]** Inspect manholes to locate sewer line stoppages.
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- **[Supplemental]** Cut damaged sections of pipe with cutters, remove broken sections from ditches, and replace pipe sections, using pipe sleeves.
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- **[Core]** Dig out sewer lines manually, using shovels.
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- **[Supplemental]** Break asphalt and other pavement so that pipes can be accessed, using airhammers, picks, and shovels.
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- **[Supplemental]** Cover repaired pipes with dirt, and pack backfilled excavations, using air and gasoline tampers.
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- **[Supplemental]** Requisition or order tools and equipment.
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- **[Supplemental]** Rotate cleaning rods manually, using turning pins.
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- **[Supplemental]** Clean and disinfect domestic basements and other areas flooded by sewer stoppages.
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- **[Supplemental]** Tap mainline sewers to install sewer saddles.
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- **[Supplemental]** Update sewer maps and manhole charts.
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## Detailed work activities
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- Break up rock, asphalt, or concrete.
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- Clean equipment or facilities.
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- Communicate with other construction or extraction personnel to discuss project details.
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- Compact materials to create level bases.
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- Cut metal components for installation.
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- Decontaminate equipment or sites to remove hazardous or toxic substances.
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- Dig holes or trenches.
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- Drill holes in construction materials.
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- Drive trucks or truck-mounted equipment.
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- Edit documents.
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- Inspect completed work to ensure proper installation.
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- Inspect plumbing systems or fixtures.
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- Install equipment attachments or components.
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- Locate equipment or materials in need of repair or replacement.
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- Maintain construction tools or equipment.
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- Maintain mechanical equipment.
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- Maintain plumbing structures or fixtures.
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- Measure work site dimensions.
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- Operate heavy-duty construction or installation equipment.
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- Order construction or extraction materials or equipment.
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- Record operational or environmental data.
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- Remove worn, damaged or outdated materials from work areas.
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- Spread sand, dirt or other loose materials onto surfaces.
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