An annual meeting with the military Tri-Services (US Army Corps of Engineers, Naval Facilities Engineering Command, and Air Force Civil Engineer Center) presents an opportunity for the military’s engineering commands to interact with key stakeholders involved in airfield pavement and other heavy construction projects.

Jerry Voigt, Gary Mitchell, and Leif Wathne represented ACPA on the web meeting yesterday. The meeting is open to interested individuals from the Department of Defense (DoD), Federal Aviation Administration (FAA) and industry, and yesterday’s meeting had 83 participants.

Agency representatives provided an overview of modifications to specifications and standards. On the FAA requirements, Harold Honey, FAA Civil Pavement Engineer, outlined the following standards currently in modification:

  • Airport Pavement Design & Evaluation (AC 150/5320-6F)–The revision is expected to be released in the second quarter of 2021. The revision will include an update to the pavement thickness design program FAARFIELD, to version 2.0. Overall, the revision will require more documentation in the Engineer’s Report with fewer FAA approvals. Expanded explanations are provided in the revision for pavement drainage layers, overlay design and distinguishing maintenance, rehabilitation, and reconstruction. ACPA provided input on this revision.
  • Standard Method of Reporting Airport Pavement Strength – PCN (AC 150/5335-5C)–The revision is expected to be released in March 2021. This standard affects the International Civil Aviation Organization (ICAO) strength reporting, aircraft, and pavement classification ratings.
  • Development of State Standards for Nonprimary Airports (AC 150/5100-13C)–A revision in December 2019 updated how state standards may be used at nonprimary public-use airports. Several states have received FAA approval since December 2019, and several others are in the works. ACPA also provided input into this standard modification.

Kevin Pavlik, Materials Engineer, US Army Corps of Engineers, and Dr. Craig Rutland, Pavement Engineer, US Air Force Civil Engineer Center, outlined upcoming modifications to the military’s UFSG 32 13 14.13 specification for concrete paving for airfields and other heavy-duty pavements. The following updates are scheduled to be published in November 2021:

  • Inclusion of limestone cements (Type 1L) as an allowable material; the allowable percentage is still being determined;
  • Removal of ASTM C 33 Size Number 4 and 67 requirement currently in the specification language related to coarse aggregate size and grading; and
  • Clarification of some provisions using tables to present the requirements.

Gary Mitchell provided an overview of the Airport Pavement Technology Program (APTP), thanking the agency partners for their support of the program. He described the cooperative agreement with the National Concrete Pavement Technology Center and relayed the top priorities outlined by the Program Coordination Group.

Leif Wathne commented on ACPA’s work to secure the APTP in the 2018 FAA authorization and our work with Congress to ensure funding is appropriated accordingly for the program each year into the future. The legislative effort is a collaborative approach with PCA and NAPA.

ACPA appreciated the opportunity to communicate with the agencies involved in this annual review. This communication is vital to fostering collaboration, which is central to the Airport Pavement Technology Program.

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