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Sunday 27 August 2017

Salvage of Dutch naval floating steam crane Olifant in 1908


Photos published in Dutch magazine Geïllustreerde weekblad De Prins dated 6 June 1908
Original caption reported that she sunk in the Marinedok at Amsterdam, Netherlands in 6 metres deep water. Divers made her watertight and all the water was pumped out of her with the use of steam pumps from the Binnenlandsche Maatschappij voor Schelpenvisscherij en Bergingszaken, Harlingen, Netherlands


Designed by B.J. Tideman to be used at the navy yard at Amsterdam, Netherlands for lifting heavy lasts like steam boilers and gun turrets to be placed or removed from there lying ships. Fitted out with a direct reversible horizontal 2-cylinder steam engine for driving the lifting equipment. The sheerleg was with chains connected with a ballast pontoon which served as counterbalance. Building ordered on 20/28 December 1867. Laid down at the Dutch Etablissement Fijenoord, Rotterdam, Netherlands with yard number 75 in 1868, launched in second half September 1868, Commissioned at the navy yard at Amsterdam in 1869. Building costs ƒ 927.000. Displacement 327,00 (sheerleg not used, ballast pontoon free floating)-429,50 (sheerleg with the usual maximum last of 50 ton, ballast pontoon partly lifted from the water)-528,50 (sheerleg lifting test weight of 100 ton, ballast pontoon for the main part lifted out of the water). Displacement ballast pontoon free floating 110,67 tons (with 59,01 ton water ballast), Dimensions 14,08 x 18,10 metres. As a crane pontoon a displacement of 384,00 ton and as dimensions 14,81 x 18,10 metres. Maximum height sheerleg above water surface 18,20 metres. Wood-made deck. Disassembled at Amsterdam in 1918 and during which one leg was broken, brought to the navy yard at Willemsoord, Netherlands as a crane pontoon and sunk on 13 January 1920. Salvaged on 25 February 1920 and converted there into the oil tank lighter Olifant in 1925. Towed to Vlissingen, Netherland in 1930. Docked at Hellevoetsluis, Netherlands in 1932-1933 and returned to Vlissingen and after 1946 brought to Den Helder, Fitted out with a 40 hp 3 cylinder Kromhout diesel engine to drive the oil transport pump in September 1956. Stricken on 3 August 1967 and sold on 3 November 1967 for ƒ 15.155.