Surety of human elements of high consequence systems: An organic model

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Despite extensive safety analysis and application of safety measures, there is a frequent lament, ``Why do we continue to have accidents?'' Two breakdowns are prevalent in risk management and prevention. First, accidents result from human actions that engineers, analysts and management never envisioned and second, controls, intended to preclude/mitigate accident sequences, prove inadequate. This paper addresses the first breakdown, the inability to anticipate scenarios involving human action/inaction. The failure of controls has been addressed in a previous publication (Forsythe and Grose, 1998). Specifically, this paper presents an approach referred to as surety. The objective of this approach is to provide ... continued below

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4 p.

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FORSYTHE,JAMES C. & WENNER,CAREN A. April 25, 2000.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Despite extensive safety analysis and application of safety measures, there is a frequent lament, ``Why do we continue to have accidents?'' Two breakdowns are prevalent in risk management and prevention. First, accidents result from human actions that engineers, analysts and management never envisioned and second, controls, intended to preclude/mitigate accident sequences, prove inadequate. This paper addresses the first breakdown, the inability to anticipate scenarios involving human action/inaction. The failure of controls has been addressed in a previous publication (Forsythe and Grose, 1998). Specifically, this paper presents an approach referred to as surety. The objective of this approach is to provide high levels of assurance in situations where potential system failure paths cannot be fully characterized. With regard to human elements of complex systems, traditional approaches to human reliability are not sufficient to attain surety. Consequently, an Organic Model has been developed to account for the organic properties exhibited by engineered systems that result from human involvement in those systems.

Physical Description

4 p.

Notes

OSTI as DE00756088

Medium: P; Size: 4 pages

Source

  • International Ergonomics Society/Human Factors and Ergonomics Society Meetings, San Diego, CA (US), 07/30/2000--08/04/2000

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  • Report No.: SAND2000-1061C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 756088
  • Archival Resource Key: ark:/67531/metadc712387

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  • April 25, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 10, 2017, 8:30 p.m.

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FORSYTHE,JAMES C. & WENNER,CAREN A. Surety of human elements of high consequence systems: An organic model, article, April 25, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc712387/: accessed August 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.