Refractory Materials Repairers, Except Brickmasons — Tasks

Task statements

• Reline or repair ladles and pouring spouts with refractory clay, using trowels.
• Chip slag from linings of ladles or remove linings when beyond repair, using hammers and chisels.
• Mix specified amounts of sand, clay, mortar powder, and water to form refractory clay or mortar, using shovels or mixing machines.
• Measure furnace walls to determine dimensions and cut required number of sheets from plastic block, using saws.
• Dry and bake new linings by placing inverted linings over burners, building fires in ladles, or by using blowtorches.
• Remove worn or damaged plastic block refractory linings of furnaces, using hand tools.
• Climb scaffolding, carrying hoses, and spray surfaces of cupolas with refractory mixtures, using spray equipment.
• Spread mortar on stopper heads and rods, using trowels, and slide brick sleeves over rods to form refractory jackets.
• Dump and tamp clay in molds, using tamping tools.
• Transfer clay structures to curing ovens, melting tanks, and drawing kilns, using forklifts.