Item B-13: Marviken Test Data Evaluation
DESCRIPTION
Test data from the Marviken containment tests were obtained for the purpose of validating containment pressure codes used for performing independent calculations related to licensing
Item B-12: Containment Cooling Requirements (Non-LOCA)
DESCRIPTION
The rationale for normal and postaccident containment cooling will be reviewed to determine the adequacy of the design requirements imposed on the containment ventilation systems.
Item B-11: Subcompartment Standard Problems
DESCRIPTION
The calculations of differential pressure that occur in containment subcompartments from a loss-of-coolant event require a complex fluid dynamic analysis to assure that the subcompar
Item B-9: Electrical Cable Penetrations of Containment
DESCRIPTION
Some prototype electrical penetration failures have occurred to date. In addition, failures of low voltage penetration modules have occurred at a licensed facility.
Item B-7: Secondary Accident Consequence Modeling
DESCRIPTION
This NUREG-0471[1]task will develop more reliable models and associated computer capability than currently available to the staff for assessing the radio
Item B-6: Loads, Load Combinations, Stress Limits
DESCRIPTION
Historical Background
This issue was identified as a generic problem in NUREG-0471[1]and concerns the design of pr
Item B-5: Ductility of Two-Way Slabs and Shells and Buckling Behavior of Steel Containments
This item has been divided into two parts which have been evaluated separately.
Item B-4: ECCS Reliability
DESCRIPTION
Numerical reliability goals and methods of analysis have not been established by the NRC.