Construction dewatering is a common term used to describe the removal or draining of groundwater or surface water from a riverbed, construction site, caisson, or mine shaft, by pumping. On a construction site, this dewatering may be implemented before subsurface excavation for foundations, shoring, or cellar space to lower the water table.

Recognized as a percussive rock-drilling device, jackhammers are hand-held and pneumatically operated. Jackhammers are most commonly used for drilling and splitting brick, concrete, tile, rock and other hard construction material.

The Bronx is the northernmost borough of New York City, located northeast of Manhattan and south of Westchester County. Like other City Boroughs, specialized industry segments require highly specialized equipment and tools for construction, installation and upkeep.