The Herrenknecht pipe thruster sent the 48-in. pipeline on a 4,038-ft underground journey. Working on a trenchless pipeline installation in the crowded subgrade of the busy oil town Freeport, Texas, ...

Unique underground construction work is taking place at Indianapolis International Airport. In late March, Bowen Engineering Corp., Fishers, Ind., used a mechanical tugger to install a 2,000-foot-long ...