9262

Jul 17, 2015, 00:40 AM
MODEL YNPS RPV. A REACTOR PRESSURE VESSEL CONTAINED WITHIN A CYLINDRICAL STEEL OUTER PACKAGING, WHICH IS WELDED CLOSED AND FILLED WITH CONCRETE. THE REACTOR VESSEL IS AN OPEN, CYLINDRICAL, EIGHT-INCH THICK CARBON STEEL VESSEL WITH A HEMISPHERICAL BOTTOM HEAD. THE OUTER DIAMETER OF THE REACTOR VESSEL IS APPROXIMATELY 10 FEET, 5 INCHES, AND THE LENGTH OF REACTOR VESSEL MAIN COOLANT NOZZLES ARE CLOSED WITH SHIELDED PLUGS. THE REACTOR VESSEL IS SURROUNDED WITH THREE-INCH THICK THERMAL INSULATION. THE REACTOR VESSEL CONTAINS AN INNER WASTE CONTAINER, AND IS FILLED WITH LOW DENSITY CONCRETE. THE OUTER PACKAGING IS COMPOSED OF A THREE-INCH THICK CYLINDRICAL SHELL WELDED TO A FOUR-INCH THICK BOTTOM PLATE, AND IS CONSTRUCTED OF A516, GR. 70 CARBON STEEL. THE FOUR-INCH THICK TOP PLATE IS ATTACHED TO THE REACTOR VESSEL FLANGE BY THE EXISTING REACTOR HEAD STUDS, AND IS WELDED TO THE PACKAGING OU TER SHELL. CAPS ARE WELDED OVER THE HEAD STUDS. THE REGION BETWEEN THE REACTOR VESSEL AND THE OUTER PACKAGING IS FILLED WITH FULL DENSITY CONCRETE. THE OVERALL DIMENSIONS OF THE PACKAGE ARE APPROXIMATELY 13 FEET, 2 INCHES OUTER DIAMTER, AND 28 FEET, 3 INCHES OUTER LENGTH, EXCLUDING THE HEAD STUDS AND CAPS WHICH EXTEND BEYOND THE TOP PLATE. THE WEIGHT OF THE PACKAGE IS APPROXIMATELY 727,000 POUNDS. SEE CERTIFICATE FOR DETAILS**
Certificate no:
USA/9262/A
Package Type:
A
Historical Flag:
N
Doe Flag:
N



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