Solid Radioactive Waste Strategy Report.pdf - UK EPR

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EPR UK N° NESH-G/2008/en/0123 REV. A PAGE 228 / 257 Transport container preparation before loading · Secondary (outer) lid removal (Figure 90); · Install top protection plate; · Primary (inner) lid removal. · Depending on the design of the interim store the flask is either lowered into the fuel loading compartment (Figure 91) is moved under the spent fuel pool to interface with a fuel transfer portal FIGURE 90: SECONDARY LID REMOVAL FIGURE 91: LOWERING OF FLASK INTO FUEL LOADING COMPARTMENT TN Flask Loading Operations · Fill loading pit with water; · Load fuel assemblies (Figure 92); · Install primary lid; · Drain loading pit.
EPR UK N° NESH-G/2008/en/0123 REV. A PAGE 229 / 257 FIGURE 92: LOADING SPENT FUEL ASSEMBLIES INTO A TN CASK Preparation of the loaded TN Cask · Secure the primary lid with bolts; · Transfer of the TN casks to the decontamination enclosure; · TN cask closure and preparation for transfer to the operating place; · Preliminary leak test of the primary lid before draining of the cavity; · Drain and dry cavity (Figure 94); · Further leak tests of the primary lid (Figure 93); · Install secondary lid; · The level of external contamination on the TN cask is measured and verified to be acceptable for export from the building. FIGURE 93: LEAK TESTING OF PRIMARY LID
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A 2008-11-26 Sarah Greenwood Gary C
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Solid Radioactive Waste Strategy Report.pdf - UK EPR

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