Job Description:

• 1) Installs stulls inside partially cured concrete pipes to maintain round contour of pipes during curing process: Saws boards to specified length, using table saw.

• 2) Nails crosspiece to end of each board.

• 3) Inserts first stull at one end of pipe to span diameter and wedges stull ends tightly in place, using hammer and wedges.

• 4) Wedges two more stulls crosswise to first stull and nails stulls together at intersection.

• 5) Installs additional stulls in same manner at center and opposite end of pipe.