A heavy timber or steel block placed on top of a pile during driving operations. When a pile needs to be driven below the level of the driving rig or ground surface, the hammer cannot reach it directly. The set acts as a follower, transmitting the impact force from the hammer down to the pile head.
Heard on the job
The pile is already at grade but we need another three feet of depth, so grab a set and let's drive it home.
Also heard as
- follower