From the archive, here a few jackhammer sounds recorded at 2 different locations.
As well as the traditional jack hammer sound I was lucky enough to capture the renovation of an underground car park which produced very rich reverb, plus the sound of drilling from the other side of the wall.
Number of Files: 5 High Quality WAVS (8 minutes 40 secs)
Size Unpacked: 302 MB
Sample Rate: 96kHz/24bit
Gear Used: Fostex fr2, Rode NT4
Other Info: Meta-Tagged