Development of risk-based decision methodology for facility design.

Details

• Creators:
  Corotis, Ross B. ; Liel, Abbie B. ; Lin, Yolanda C. ; Paul, Abhishek
• Corporate Creators:
  University of Colorado at Boulder. Dept. of Civil, Environmental and Architectural Engineering
• Corporate Contributors:
  United States. Federal Highway Administration
• Subject/TRT Terms:
  • Risk analysis
  • Decision making
  • Methodology
  • Asset management
  • Design standards
  • Life cycle analysis
• Publication/ Report Number:
  CDOT-2014-4
• Resource Type:
  Tech Report
• Geographical Coverage:
  Colorado
• Corporate Publisher:
  Colorado. Dept. of Transportation. Research Branch
• Abstract:
  This report develops a methodology for CDOT to use in the risk analysis of various types of facilities and provides ; illustrative examples for the use of the proposed framework. An overview of the current practices and applications to ; illustrate the context from which the proposed methodology has been developed is presented first. Next, the report ; introduces the proposed methodology for CDOT. In order to understand how the framework operates in practice, two ; illustrative examples are presented. The first example demonstrates the framework through the context of allocating ; resources for the operation and maintenance of a portfolio of signalized mast arms. Two risk assessment methods are ; introduced through the first example, and it is shown that mast arms could benefit from varied inspection frequencies ; based on current structural defects present. The second illustrative example uses the framework in the context of ; making design decisions with regard to seismic hazard in Colorado. A quantitative risk assessment method is ; introduced, and the illustration suggests that seismic hazard is not a controlling hazard in Colorado. ; Implementation ; Through the literature review and presented examples, CDOT is equipped with the resources and information ; necessary to implement a risk-based methodology in decision-making across its organization. In the near term, the ; report recommends the following action items for CDOT: ;  Implementation of a varied mast arm inspection routine based on structural state ;  Modification of the mast arm inspection records database to make information amenable to data-mining for ; risk assessment ;  Adoption of the proposed common vocabulary and framework to discuss risk and address issues that face the ; organization
  More +
• Format:
  PDF
• Funding:
  62.6
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/27453/dot_27453_DS1.pdf
• File Type:
  [PDF - 4.06 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:08e2da546ba157496441884c42ca6ea6519e31ace95693c00c4fd25168aeeba1