Why would an established highway contractor with a history of using a crane with diesel hammer for pile driving be working at the Philadelphia Navy Yard with a sophisticated pile driving rig? That ...
The PD25R Vermeer pile driver can drive piles to 25 feet and can leave up to 10 inches above ground. Powered by a 74-horsepower diesel, it can reach transport speeds of up to 2.5 mph. The unit is ...