Item A-42: Pipe Cracks in Boiling Water Reactors (former USI)
DESCRIPTION
Pipe cracking has occurred in the heat-affected zones of welds in primary system piping in BWRs since mid-1960.
Item A-40: Seismic Design Criteria (former USI)
DESCRIPTION
Structures, systems, and components important to the safety of nuclear power plants are required to withstand the effects of natural phenomena such as ea
Item A-39: Determination of Safety Relief Valve Pool Dynamic Loads and Temperature Limits (former USI)
DESCRIPTION
Operation of BWR primary system pressure relief valves can result in hydrodynamic loads on the suppression pool retaining structures or those structures
Item A-38: Tornado Missiles
DESCRIPTION
Historical Background
The AEC first established missile-protection requirements in 1967.
Item A-37: Turbine Missiles
DESCRIPTION
Historical Background
The staff has long recognized that the steam turbine, part of the turbinegenerator set, has the potential to generate massi
Item A-36: Control of Heavy Loads Near Spent Fuel (former USI)
DESCRIPTION
At all nuclear plants, overhead cranes are used to lift heavy objects in the vicinity of spent fuel. If a heavy object such as a spent fuel shipping cask
Item A-35: Adequacy of Offsite Power Systems
DESCRIPTION
This issue was raised in NUREG-0371[1]following a series of events at operating plants that i
Item A-34: Instruments for Monitoring Radiation and Process Variables During Accidents
DESCRIPTION
This NUREG-0371[1]item was initiated in order to develop criteria and guidelines to be used by applicants,
Item A-33: NEPA Review of Accident Risks
DESCRIPTION
In 1971, the AEC determined that, consistent with NEPA, the environmental assessments of requests for construction permits and operating licenses should include consideration of the po