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High Flux Isotope Reactor: Quarterly report, July through September 1987

Technical Report ·
OSTI ID:5262144
; ;
The end-of-cycle 287 shutdown was begun on November 14,1986, and extended indefinitely to investigate the embrittlement of reactor vessel materials due to radiation damage. This shutdown was extended through the third quarter of 1987. Activities at the High Flux Isotope Reactor (HFIR) during the quarter have centered on maintenance, calibration, and modification of reactor systems. A hydrostatic pressure test of the HFIR primary coolant system was performed on August 4, 1987, to evaluate the integrity of the pressure vessel and to develop a basis for future reactor operations at 85 mw with 468 psig system pressure. A work stoppage declared in June by the Atomic Trades and Labor Council was continued throughout the quarter. Routine surveillance of the reactor facility was continued by qualified monthly personnel. Some maintenance and modification work was also continued by qualified craft supervisors. 9 tabs.
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
5262144
Report Number(s):
ORNL/TM-10678; ON: DE88007879
Country of Publication:
United States
Language:
English

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CONTAINERS
COOLING SYSTEMS
DEFECTS
DOCUMENT TYPES
EMBRITTLEMENT
ENERGY SYSTEMS
ENGINEERING
ENRICHED URANIUM REACTORS
FRACTURE MECHANICS
FUEL ASSEMBLIES
HFIR REACTOR
INVENTORIES
IRRADIATION REACTORS
ISOTOPE PRODUCTION REACTORS
MAINTENANCE
MATERIALS
MECHANICS
NATIONAL ORGANIZATIONS
ORNL
PRESSURE VESSELS
PROGRESS REPORT
RADIATION EFFECTS
REACTOR INSTRUMENTATION
REACTOR SAFETY
REACTOR SHUTDOWN
REACTORS
RESEARCH AND TEST REACTORS
RESEARCH REACTORS
SAFETY
SAFETY ENGINEERING
SHUTDOWNS
TANK TYPE REACTORS
TEST REACTORS
THERMAL REACTORS
US AEC
US DOE
US ERDA
US ORGANIZATIONS
WATER COOLED REACTORS
WATER MODERATED REACTORS