| 41. | One of our cofferdams has collapsed, " spokeswoman Cathy Jones told Australian Broadcasting Corp . radio.
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| 42. | Cofferdams were used generally in shallow waters where it was not necessary to deeply penetrate the natural bottom.
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| 43. | Three days later, the interior of the cofferdam was full and " Maine " floated.
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| 44. | Afloat again on 29 June, she promptly went down for a third time when the cofferdam failed.
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| 45. | Each pier rests upon concrete foundations cast on the excavated bed of the sea, inside a cofferdam.
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| 46. | The " Gazelle "-class cruisers were also equipped with cork cofferdams to increase buoyancy.
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| 47. | By May 31, water within the cofferdam was down by, revealing most of the starboard quarterdeck.
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| 48. | Cofferdam and tremie seal construction have been used to construct the six-metre deep foundation in the dry.
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| 49. | Empty tanks and cofferdams imploded as it descended, tearing open the structure and ripping off the poop deck.
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| 50. | While maintaining a list of 14 degrees, carpenters built a wooden cofferdam using whatever wood they could find.
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