Pipelayers: Lay glazed or unglazed clay, concrete, plastic, or cast-iron pipe for storm or sanitation sewers, drains, water mains, and oil or gas lines. May grade trenches or culverts, position pipe, or seal joints.
Pipelaying fitters: Align pipeline section preparatory to welding. Signal tractor driver in placing pipeline sections in proper alignment and insert steel spacers.
1992 employment: 48,000 Projected 1992-2005 employment change: About as fast as average
Reprinted with Permission of U. S. Department of Labor