Search results
Results From The WOW.Com Content Network
Utility tunnel. A utility tunnel, utility corridor, or utilidor is a passage built underground or above ground to carry utility lines such as electricity, steam, water supply pipes, and sewer pipes. Communications utilities like fiber optics, cable television, and telephone cables are also sometimes carried.
A utility vault is an underground room providing access to subterranean public utility equipment, such as valves for water or natural gas pipes, or switchgear for electrical or telecommunications equipment. A vault is often accessible directly from a street, sidewalk or other outdoor space, thereby distinct from a basement of a building. [1] [2]
Subsurface utility engineering (SUE) refers to a branch of engineering that involves managing certain risks associated with utility mapping at appropriate quality levels, utility coordination, utility relocation design and coordination, utility condition assessment, communication of utility data to concerned parties, utility relocation cost estimates, implementation of utility accommodation ...
The Raven Rock Mountain Complex ( RRMC ), also known as Site R, is a U.S. military installation with an underground nuclear bunker near Blue Ridge Summit, Pennsylvania, at Raven Rock Mountain that has been called an "underground Pentagon ". [ 3][ 4][ 5]: 2 The bunker has emergency operations centers for the United States Army, Navy, Air Force ...
Wet: Installation is underground or in concrete slabs, or in masonry in direct contact with the earth; locations are subject to saturation with water or other liquids such as washing areas and in unprotected locations exposed to weather. Underground manholes and handholes are telecommunications facilities that would meet this "wet" definition.
A manhole ( utility hole, maintenance hole, [ 1] or sewer hole) is an opening to a confined space such as a shaft, utility vault, or large vessel. Manholes are often used as an access point for an underground public utility, allowing inspection, maintenance, and system upgrades. The majority of underground services have manholes, including ...
A 500-gallon underground propane tank was found at a Virginia home that exploded Friday, killing one firefighter and injuring others, officials said Saturday.
A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch ), and narrow compared with its length (as opposed to a simple hole or pit). [ 1] In geology, trenches result from erosion by rivers or by geological movement of tectonic plates.