Vulnerability analysis of manufacturing systems: A systematic method for protecting industrial production from disruption
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- ERC Environmental and Energy Services Co., Albuquerque, NM (United States)
The USDOE initiated the Production Risk Evaluation Program (PREP) at Sandia National Laboratories (SNL) to assess quantitatively the potential for serious production disruption as the result of random failures, accidents, natural disasters, or sabotage at its facilities. SNL developed a procedure incorporating both network and fault tree models that identifies production vulnerabilities. For each production step, a steady-state flow model computers the "critical time,'' which is the maximum period a step can be shut down without preventing the system from achieving production goals. The critical time is then used in fault tree analysis to determine the failure modes that can stop the process for longer than this period. Modular logic modeling is used for constructing the fault trees. Equipment restorable within its critical time need not be considered critical even though it may perform significant work. This paper focuses on sabotage, but the methodology is applicable to analyzing the other production system vulnerabilities mentioned above. The PREP models can be used to identify those plant areas to which a saboteur would need to gain access. A security strategy using graded protection based on a PREP analysis potentially could reduce security costs. PREP methods also provide quantitative insights to develop protection measures that do not infringe upon the liberties of personnel or complicate work practices.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 6207891
- Report Number(s):
- SAND--91-0325C; CONF-910279--10; TTC--1061; ON: DE91008576
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Inspection
& Accountability
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
ACCIDENTS
EQUIPMENT
FAULT TREE ANALYSIS
MANUFACTURING
MATHEMATICAL MODELS
NATIONAL ORGANIZATIONS
NUCLEAR FACILITIES
PERSONNEL
PLANNING
PRODUCTION
RELIABILITY
RISK ASSESSMENT
SABOTAGE
SANDIA LABORATORIES
SECURITY
STATISTICAL MODELS
STOCKPILES
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
US AEC
US DOE
US ERDA
US ORGANIZATIONS