1) Lays out, positions, and secures parts and assemblies according to specifications, using straightedge, combination square, calipers, and ruler.
2) Tack-welds or welds components and assemblies, using electric, gas, arc, or other welding equipment.
3) Cuts workpiece, using powered saws, hand shears, or chipping knife.
4) Melts lead bar, wire, or scrap to add lead to joint or to extrude melted scrap into reusable form.
5) Installs or repairs equipment, such as lead pipes, valves, floors, and tank linings.
6) Observes tests on welded surfaces, such as hydrostatic, x-ray, and dimension tolerance to evaluate weld quality and conformance to specifications.
7) Inspects grooves, angles, or gap allowances, using micrometer, caliper, and precision measuring instruments.
8) Removes rough spots from workpiece, using portable grinder, hand file, or scraper.
9) Welds components in flat, vertical, or overhead positions.
10) Ignites torch and adjusts valves, amperage, or voltage to obtain desired flame or arc.
11) Analyzes engineering drawings and specifications to plan layout, assembly, and welding operations.
12) Develops templates and other work aids to hold and align parts.
13) Determines required equipment and welding method, applying knowledge of metallurgy, geometry, and welding techniques.
HND,DIPLOMA,NVTI,MVT PART 1,2,3 AND OTHER PROFESSIONAL CERTIFICATE