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Initially acquire the approved "Welding Procedures" (State approval form) for all welds proposed for the shoes and splices and the "Pile. Driving Equipment" (Basic driving and installing methods. Piles are installed or driven into the ground by a rig which supports the leads, raises the pile, and operates the hammer The heart of anypile-drivingsystem is the pile hammer. Modern contrac- tors use impact types ranging from the "ancient" drop hammer, through. Development of Pile Driving and. Pile Driving Equipment. Wooden mauls. 7. Primitive forms of derrick pile- drivers. 8. Present day pile-drivers. This chapter deals with the selection of load-bearing piles and the equipment required to drive the piles. Load-bearing piles, as the name implies, are used Pile driving is the operation of forcing a pile into the ground thereby displacing the soil mass across the whole cross section of the pile. Historically, the