More information from O*NET OnLine:

Fence Erectors - 47-4031.00

O*NET-SOC Description

Erect and repair fences and fence gates, using hand and power tools.

Sample of Reported Job Titles

Fence Builder
Fence Contractor
Fence Erector
Fence Installer
Fence Laborer

Fence Mechanic
Fence Technician (Fence Tech)
Gate Technician (Gate Tech)
Wood Fence Erector

SOC Occupation Groups

47-0000	Construction and Extraction Occupations
47-4000	Other Construction and Related Workers
47-4030	Fence Erectors
47-4031.00	Fence Erectors

Related Occupations

47-2031.00	Carpenters
47-2051.00	Cement Masons and Concrete Finishers
47-2061.00	Construction Laborers Bright Outlook
47-2081.00	Drywall and Ceiling Tile Installers
47-2131.00	Insulation Workers, Floor, Ceiling, and Wall
47-2171.00	Reinforcing Iron and Rebar Workers
47-2221.00	Structural Iron and Steel Workers
47-3015.00	Helpers--Pipelayers, Plumbers, Pipefitters, and Steamfitters
49-9051.00	Electrical Power-Line Installers and Repairers
51-2041.00	Structural Metal Fabricators and Fitters

Tasks

Align posts, by lines or sighting, and verify vertical alignment of posts, using plumb bobs or spirit levels.
Assemble gates, and fasten gates into position, using hand tools.
Attach fence rail supports to posts, using hammers and pliers.
Attach rails or tension wire along bottoms of posts to form fencing frames.
Blast rock formations and rocky areas with dynamite to facilitate posthole digging.
Complete top fence rails of metal fences by connecting tube sections, using metal sleeves.
Construct and repair barriers, retaining walls, trellises, and other types of fences, walls, and gates.
Dig postholes, using spades, posthole diggers, or power-driven augers.
Discuss fencing needs with customers, and estimate and quote prices.
Erect alternate panel, basket weave, and louvered fences.
Establish the location for a fence, and gather information needed to ensure that there are no electric cables or water lines in the area.
Insert metal tubing through rail supports.
Make rails for fences, by sawing lumber or by cutting metal tubing to required lengths.
Measure and lay out fence lines and mark posthole positions, following instructions, drawings, or specifications.
Mix and pour concrete around bases of posts, or tamp soil into postholes to embed posts.
Nail pointed slats to rails to construct picket fences.
Nail top and bottom rails to fence posts, or insert them in slots on posts.
Set metal or wooden posts in upright positions in postholes.
Stretch wire, wire mesh, or chain link fencing between posts, and attach fencing to frames.
Weld metal parts together, using portable gas welding equipment.