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Suggested Citation:"Appendix A: Workshop Statement of Task." National Academies of Sciences, Engineering, and Medicine. 2021. Service Life Assessment and Predictive Modeling for an Aging Critical Infrastructure: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/25107.
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A

Workshop Statement of Task

In the summer of 1990, the 24th Infantry Division (Mechanized), located at Fort Stewart, Georgia, was suddenly tasked to deploy to Operation Desert Shield when Saddam Hussein invaded Kuwait. Fort Stewart is located south of Savannah, Georgia, and deploys through the port of Savannah and the Hunter Army Airfield. It is connected by Interstate 95 and a rail line to the air and sea ports. During the deployment, numerous shortcomings were noted in the rail facilities, roads and bridges, ammunition storage, and airfield infrastructure. In the past 25 years, the U.S. Department of Defense has moved a significant number of facilities from overseas locations to the United States and deployed regularly around the world. The people, equipment, and infrastructure have been stressed by these deployments and will continue to be stressed as we envision the future world environment. People and equipment are continuously monitored through multiple organizations and instruments, but the physical infrastructure where they live, train, and deploy receives little attention until it fails or is shown to be inadequate.

There are three types of service life:

  1. Technical;
  2. Functional; and
  3. Economic.
Suggested Citation:"Appendix A: Workshop Statement of Task." National Academies of Sciences, Engineering, and Medicine. 2021. Service Life Assessment and Predictive Modeling for an Aging Critical Infrastructure: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/25107.
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And multiple service life modeling requires:

  1. Defining performance requirements;
  2. Assessing current deterioration;
  3. Predicting future deterioration;
  4. Identifying Maintenance, Rehabilitation, and Repair (MR&R) alternatives;
  5. Assessing effect from MR&R alternatives on service life;
  6. Assessing Life-cycle cost analysis (LCCA) of MR&R alternatives;
  7. Assessing sustainability performance of MR&R alternatives;
  8. Assessing resiliency performance of MR&R alternatives; and
  9. Performing multi-objective optimization.

There is a need to predict technical, functional, and economic failures before they occur to sustain the level of readiness expected of our Department of Defense. There are emerging service life modeling capabilities and instrumentation to reduce the risk to our infrastructure.

This workshop can discuss possibilities in what could be employed or developed to maintain the expected capabilities of our critical infrastructure.

An ad hoc committee will convene a 2-day public workshop to discuss issues in defense materials, manufacturing, and infrastructure including: Predictive Service Life Modeling Paradigms for Aging Critical Infrastructure. The committee will develop the agenda for the workshop, select and invite speakers and discussants, and moderate the discussions. The workshop can use a mix of individual presentations, panels, and question-and-answer sessions to develop an understanding of the relevant issues. The workshop topics will highlight some recent developments in the fields. Key stakeholders will be identified and invited to participate. Workshop summaries will be prepared separately by a designated rapporteur after each workshop in this series.

Suggested Citation:"Appendix A: Workshop Statement of Task." National Academies of Sciences, Engineering, and Medicine. 2021. Service Life Assessment and Predictive Modeling for an Aging Critical Infrastructure: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/25107.
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Page 53
Suggested Citation:"Appendix A: Workshop Statement of Task." National Academies of Sciences, Engineering, and Medicine. 2021. Service Life Assessment and Predictive Modeling for an Aging Critical Infrastructure: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/25107.
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Page 54
Next: Appendix B: Workshop Agenda and Participants List »
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The Defense Materials Manufacturing and Infrastructure standing and planning committee of the National Academies of Sciences, Engineering, and Medicine convened a workshop on May 19-20, 2016, to discuss the value of collaboration between the materials and civil engineering communities in addressing the following problem: People and equipment are continuously monitored through multiple organizations and instruments, but the physical infrastructure where they live, train, and deploy receives little attention until it fails or is shown to be inadequate. The workshop was organized into three sessions: (1) highway infrastructure, (2) waterways infrastructure, and (3) railways infrastructure. Within these three sessions, individual speakers gave presentations on technical, functional, and economic paradigms and answered questions from workshop participants. Following these sessions, a panel discussion was held to discuss existing gaps as well as ways to overcome challenges. This publication summarizes the presentations and discussion of the workshop.

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