A SYDNEY STRONGHOLD
Bombproof Structure . For Housing Records
Said to be the most modern in the Southern Hemisphere, and embodying the latest discoveries for resisting bombs, a bombproof stronghold has been erected in the Prudential Building in Martin Place, Sydney. Its purpose is to provide safe housing for the company s records. Tlie structure has internal lueasuiements of length 32 feel, width 10 feet b inches, and ceiling height 7 feet 6 inches. Tlie door weighing approximately three tons, is constructed Io link up with the heavily reinforced two feet thick Is. The ceiling lias an average t.lncKni.ss of over six feet, very heavily reinforced, and 130 toils of special e°J' crtt t ‘i 1 n .'oil used in its construction. Above 1,0 ‘ j ing again are several feet of reinforced concete roadway. To eliminate any likelihood of an upward blast the floor, two feet thick, received similar remtorcem<The whole of the interior is protected from dampness by an internal skin six inches thick, also reinforced and heavily treated on noth sides with bitumen waterproofing. Special methods to eliminate dampness will be used and the structure internally will be ventilated during the day by a system of mechanical ventilation. (Picture on page 5)
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https://paperspast.natlib.govt.nz/newspapers/DOM19410306.2.70
Bibliographic details
Dominion, Volume 34, Issue 137, 6 March 1941, Page 9
Word Count
203A SYDNEY STRONGHOLD Dominion, Volume 34, Issue 137, 6 March 1941, Page 9
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