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Options for lifting the PD-50: section by section, including

Recall, that recently the Minister of Industry of the Russian Federation D.Manturovym was told about the decision about lifting the floating dock, due to flooding which internal chambers sunk in Murmansk area. We are talking about the PD-50, which was operated at the 82nd shipyard. noted, that they will raise the PD-50 floating dock anyway.

Варианты подъёма ПД-50: посекционный в том числе

Following the Minister's statements, the experts decided to discuss whether, "how and with what will they raise", Considering, that the total displacement of the floating dock is over 215 thousand. tons with its carrying capacity in 80 thousand tons and length in 330 m! Even if we take into account, that the floating dock could go under water not on 100% (but there is evidence, that it is still completely flooded), there are no floating cranes with any similar lifting capacity, not only in Russia, but in the world. for comparison, blue crane "Gulliver", who drove to the coast of Norway, so that he took part in the rise of the frigate "Helge Ingstad", has a carrying capacity 4 thousand tons.

Returning to that discussion, which flared up around the technical means for lifting the floating dock, closer attention should be paid to the statement of Denis Manturov. In addition to talking about, that the PD-50 "will definitely be raised", he made a number of important additions. In particular, According to the minister, can't refuse surgery., since the floating dock is completely blocks the entrance to the harbor of the 82nd shipyard. The minister also noted, that divers, working at depth, evaluate metal fatigue.

Based on these two remarks, we can conclude, what if they raise the PD-50 (and the minister said in the affirmative), it does not mean, that the floating dock will be raised, what is called, safe and sound.

working options, by and large, four.

option One, which looks, to put it mildly, strangely: in connection with the blocking of access to the harbor of the shipyard from operation and the harbor and the plant itself will have to be abandoned. I.e, and leave the floating dock in that place, where is he now. Criminally? negligently?.. There is another question (purely economic): how much the refusal to operate the plant can cost the treasury, taking into account the simultaneous construction of the plant in another place (if they want to build)?

Option two: lifting a floating dock section by section. In other words, for those sections, With which (in terms of weight and size) floating and other types of cranes will already be able to operate. Section lifting, and then their "assembly" into the good old PD-50.

Option three (as a derivative of option two): floating dock lifting by sections (which still need to be "cut"), but by no means for the subsequent assembly (quarrels), namely, to liberate that very harbor, the entrance to which today the floating dock blocks. For metal? For metal…

Option four - raise the floating dock "entirely". it, as it noted, looks fantastic from a technical point of view. By taking into account the fact, that PD-50 metal is by no means so “tireless”, so that it can be hooked on the colossus, even if, what will suddenly be found, what to cling and what to pull.

Which option will be chosen, and are there any other options, experts decide, based on research results, conducted by divers.

                          
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