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ACPA Offers Perspectives on Life Cycle Cost Analysis

The topic of life cycle cost analysis (LCCA) of concrete pavements has been the subject of much discussion over the years.   Unfortunately, there is some confusion about what LCCA is and is not, and a lack of awareness about how industry and the public sector regard the topic in the context of pavement construction and management.

“Life Cycle Cost Analysis: Enhancing our Investment Decisions” is ACPA’s most recent “Perspectives” document.   The two-page document defines LCCA clearly and provides details about how LCCA has been  applied in highway decision‐making processes for more than a half century.  Click here to download the document.

 

Expert Task Group Focuses on Pavement Technology

The Federal Highway Administration’s Pavement Implementation Expert Task Group (PIETG) met in Lanham, Md., as the latest step in implementing the Accelerated Implementation and Deployment of Pavement Technologies (AID-PT), provision in the current highway bill, The Moving Ahead for Progress in the 21st Century Act (MAP-21).

The PIETG is focused on the strategic program level challenges and opportunities in the deployment of pavement technologies, according to a letter from Butch Wlashin, Director of the FHWA’s Office of Asset Management, Pavements, and Construction.   Focal areas include: 

  • Pavement Design and Analysis;
  • Pavement Materials and Quality Assurance;
  • Pavement Surface Characteristics;
  • Construction Technology;
  • Pavement Sustainability;
  • Technical Capacity; and
  • Field Support/Technical Assistance.

The group plans to meet twice per year, as well as via web conferences on an as-needed basis.   The group is comprised of representatives of FHWA, several DOTs, NAPA, academia and ACPA.  The concrete pavement industry is represented: 

  • Jim Duit, President, Duit Construction Co., Inc.;
  • David Howard, President & CEO, Koss Construction Co.;
  • Gerald Voigt, President & CEO, American Concrete Pavement Association;
  • Leif Wathne, Vice President Highways and Federal Affairs, American Concrete Pavement Association; and
  • Tom Cackler, Director of the National Concrete Pavement Technology Center and Associate Director-CTRE, Iowa State University.

Commenting on the PIETG, ACPA’s Gerald Voigt said, “In our view, this group is in keeping with the collaborative spirit of the AID-PT program.  We are pleased with process and overall direction so far, and particularly with the Office of Infrastructure’s openness to industry input on what is important in the area of pavement technologies. 

“We hope that in future meetings the FHWA will continue to except the group’s advice on promising technologies that meet the current needs of the industry,” he added.  

In terms of key issues of importance to the concrete pavement industry, Voigt cited concrete pavement overlays and performance-engineered materials as top priorities.

Report Offers Tips on Improving Joint Durability

June issue of MAP Brief focuses on joint durability.

June issue of MAP Brief focuses on joint durability.

The latest “Moving Advancements into Practice,” or MAP Brief from the CP Road Map, is a three page report that provides recommendations on constructing durable joints. The report begins with information about joint deterioration, as well as visual signs and details about these occurrences. The primary mechanisms behind the distresses, notably freezing and thawing of saturated paste, are explored, along with other contributors.

A number of specific recommendations are offered to help create high quality, impermeable concrete. Tips for repairing existing, damaged sections also are included.

View the brief online at: http://www.cproadmap.org/publications/MAPbriefJune2014.pdf.

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