Often the first workers on site, pile drivers drive metal sheet piling to hold back the dirt during excavations; drive concrete and metal piling as part of the foundation system for large buildings; drive wood and concrete piling to hold up docks, wharfs and bridges; and construct slurry wall systems.
In some cases they work on off-shore oil rigs and as commercial divers involve din underwater construction. Pile drivers are also required to install heavy timbers and weld or cut large metal beams.
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