Safety evaluation of tunnel rack and dry well monitored retrievable storage concepts

Technical Report · Thu Dec 01 04:00:00 EST 1983

OSTI ID:6839539

Ligon, D M; Seth, S S; Taniguchi, T; Bolig, C A

This report discusses the safety evaluation of the dry well and tunnel rack concepts for the monitored retrievalbe storage of spent fuel assemblies from nuclear reactors and high-level waste from reprocessing plants. A list of initiating events that could have an impact on the safety of the facility was developed and screened for high-risk events. For both concepts, event trees and supporting fault trees were developed for the high-risk events; however, quantification of risk was performed only for the dry well concept. The results showed that transporter collision and canister drop accidents have the highest anticipated frequency of occurrence. These events are common to both concepts. The associated radiological release, however, is small. For the dry well concept, the seismic event leads to the most severe accident, but its frequency of occurrence is very small compared with the other initiating events evaluated. The expected risk to the US population from the operation of a dry well facility was found to be 1.2 x 10/sup -2/ latent cancer deaths per year in a population of 2 million around the reference site. 21 references, 19 figures, 14 tables.

• Research Organization: GA Technologies, Inc., San Diego, CA (USA)
• DOE Contract Number: AT03-81SF11528
• OSTI ID: 6839539
• Report Number(s): GA-A-16955; ON: DE84012857
• Country of Publication: United States
• Language: English

Related Subjects

050900 -- Nuclear Fuels-- Transport
Handling
& Storage
052002 -- Nuclear Fuels-- Waste Disposal & Storage
054000* -- Nuclear Fuels-- Health & Safety
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
FUEL ELEMENTS
HAZARDS
HEALTH HAZARDS
HIGH-LEVEL RADIOACTIVE WASTES
MANAGEMENT
MATERIALS
MONITORED RETRIEVABLE STORAGE
RADIATION HAZARDS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE STORAGE
RADIOACTIVE WASTES
REACTOR COMPONENTS
RISK ASSESSMENT
SAFETY
SPENT FUEL ELEMENTS
SPENT FUEL STORAGE
STORAGE
WASTE MANAGEMENT
WASTE STORAGE
WASTES