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The Salvage of the Dredge "Hapai"

P. S. HutchinsonC. F. Mead

出版	Auckland Harbour Board, 1959
URL	http://books.google.com.hk/books?id=tnpBzwEACAAJ&hl=&source=gbs_api

註釋

The authors describe how the "Hapai" was successfully salvaged. In June 1957 the Auckland Harbour Board's bucket dredge Hapai over-turned and sank, in the Rangitoto Channel just outside Auckland Harbour. She was found lying with a considerable portion of her hull above water level at low tide. As no special salvage equipment or lifting vessels were available in New Zealand or Australia, the job was tackled using standard gear and winches which were readily available, together with lifting camels designed and built for this one job.