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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]

Utility vaults are commonly constructed out of reinforced concrete boxes, poured concrete or brick. Small ones are usually entered through a manhole or grate on the topside and closed up by a manhole cover. Such vaults are considered confined spaces and can be hazardous to enter. Large utility vaults are similar to mechanical or electrical rooms in design and content.

See also

• Dartford Cable Tunnel
• Telecommunications pedestal
• Utility cut
• Utility tunnel
• Wayfinding (urban or indoor)

References

External links

• Underground Utility Vaults - National Precast Concrete Association

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