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Ales, M.W.; Connell, J.D.; DeMars, R.V.; Nitti, D.A.
Babcock and Wilcox Co., Lynchburg, VA (USA)1984
Babcock and Wilcox Co., Lynchburg, VA (USA)1984
AbstractAbstract
[en] Preliminary examinations have shown that the plenum assembly is distorted and possibly might bind against the dreactor vessel and core support shield as it is lifted. Further, fuel assembly components are stuck to the bottom of the plenum assembly and particulate fuel debris is deposited in the plenum assembly. These conditions require special equipment to free the plenum assembly from the reactor internals, to dislodge suspended fuel assembly remnants and to lift, transfer, and store the plenum assembly in the shallow end of the refueling canal. The special equipment to remove the plenum assembly is being designed and built. This equipment includes an integrated video/communication inspection system; a hydraulic jack system with a 240-ton capacity; specially designed tools to dislodge the end fuel assembly fittings from the plenum assembly; a portable work platform; and final lifting equipment and a transfer contamination barrier that will be used in conjunction with the polar crane to lift and transfer the plenum assembly. Test assemblies necessary to check out the performance of equipment and train personnel are also being provided
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Jun 1984; 45 p; Available from NTIS, PC A03/MF A01; 1 as DE84014442
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