A bank vault or strongroom is a reinforced room or compartment in a bank building where valuables are stored. Modern bank vaults generally contain many safe deposit boxes, as well as places for teller cash drawers, and other valuable assets of the bank or its customers. Vaults are also common in other buildings where valuables are kept such as post offices, grand hotels, and certain government ministries. Banker redirects here; see wiktionary:banker for more meanings. ... Safe deposit boxes inside a Swiss bank. ... Small-town post office and town hall in Lockhart, Alabama A post office is a facility (in most countries, a government one) where the public can purchase postage stamps for mailing correspondence or merchandise, and also drop off or pick up packages or other special-delivery items. ... Dariush Grand Hotel,Kish island, Iran The 4-star Manor House Hotel at Castle Combe, Wiltshire, England. ...

Historic bank vault from 1901.

One of the more important functions of a bank vault, just as for large bank buildings, is to give customers the feeling that their money and valuables are secure. The largest bank vault door known in the world is that of Federal Reserve Bank of Cleveland. This door has an overall height of 574 cm (226 inches) and weighs over 42 metric tons (47 short tons) fully assembled. The door casting itself was 18 160 kg (20 tons). It incorporated the largest hinge ever built. Banks struggle to demonstrate similar security in the era of electronic funds transfer, although it is likely just as impervious as the large vaults and buildings of yesteryear. Image File history File linksMetadata Size of this preview: 449 × 599 pixel Image in higher resolution (998 × 1331 pixel, file size: 215 KB, MIME type: image/jpeg) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Bank vault Metadata... Image File history File linksMetadata Size of this preview: 449 × 599 pixel Image in higher resolution (998 × 1331 pixel, file size: 215 KB, MIME type: image/jpeg) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Bank vault Metadata... The Federal Reserve Bank of Cleveland. ...

Historically, strongrooms were built in the basement of the bank where the ceilings were vaulted. They are now typically built primarily of thick steel-reinforced concrete, although steel plates are sometimes incorporated into the walls, floors and ceiling to slow down would-be safe-crackers who may attempt to tunnel into the vault. Vibration and sound detectors accumulate sounds and set off an alarm if a lot of noise is made over a period of hours. These measures defeat most robbers who would tunnel into the vault from beneath or through a wall. A townhouse with basement windows showing A basement is one or more floors of a building that are either completely or partially below the ground floor. ... The Lierne vault of the Liebfrauenkirche, Mühlacker 1482. ... The steel cable of a colliery winding tower. ... Reinforced concrete at Sainte Jeanne dArc Church (Nice, France): architect Jacques Dror, 1926–1933 Reinforced concrete, also called ferroconcrete in some countries, is concrete in which reinforcement bars (rebars) or fibers have been incorporated to strengthen a material that would otherwise be brittle. ... Safe-cracking is the process of opening a safe, generally without the combination. ...

Banks' vaults are now almost all locked with a timed lock, to prevent thieves from taking the manager as a hostage during a robbery and bringing him back to unlock the vault late at night, which used to be a problem. It also prevents would-be robbers from putting people into the vault. Nevertheless, most modern bank vaults have an air vent to let fresh air into the vault should someone be inadvertently locked in.

There were four Mosler Safe Company bank vaults in the Teikoku Bank in Hiroshima, Japan when the atomic bomb was dropped there. Less than 100 yards from the epicenter of the blast, all four and their contents survived unscathed, and served as the focal point for resurveying the city^{[citation needed]}. The survival of these safes became a promotional boon to Mosler. Similar doors were produced by Mosler for the Greenbrier nuclear fallout shelter outside Washington and for the US Air Force's Minuteman ICBM launch control centers. For other uses, see Hiroshima (disambiguation). ... The mushroom cloud of the atomic bombing of Nagasaki, Japan, 1945, rose some 18 km (11 mi) above the epicenter. ... The Greenbrier is a five star resort in White Sulphur Springs in Greenbrier County, West Virginia. ...

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Diebold, Inc. http://www.diebold.com/charters.htm built the vaults that protect the US Constitution and Declaration of Independence. Image File history File links Information_icon. ... Shortcut: WP:WIN Wikipedia is an online encyclopedia and, as a means to that end, also an online community. ... Shortcut: WP:NPOV Wikipedia policy is that all articles should be written from a neutral point of view. ... Shortcut: WP:RULES Wikipedia is a collaborative project and its founders and contributors have a common goal: Wikipedia has some policies and guidelines that help us to work toward that common goal. ...

See also

• Reserve requirement