NAPA is currently seeking contractors for all open Requests for Proposals (RPF). To view the details and deadlines of each project, please click on the projects below. If you wish to submit an RFP, you may contact us using the form at the bottom of this page or by the instructions identified within the RFP.
Asphalt Mixtures Paving Handbook – 2022 Revision
In 2000, the Transportation Research Board updated the Hot-Mix Asphalt Paving Handbook. In the decades since its publication, new technology has become available which can aid in ensuring high quality asphalt pavements are constructed for highways or airfields. The book revision will include the latest technologies and best practices for highway and airfield paving.
Submission Deadline: May 26, 2021
Evaluation of Balanced Mix Design for airfield pavements will be undertaken in two separate contracts. The first of two Balanced Mix Design projects will focus on harmonizing the rutting requirements in the current FAA specifications.
Submission Deadline: June 9, 2021
Balanced Mix Design - Cracking
The second Balanced Mix Design project explores which cracking tests should be considered for airfield evaluation. In coordination with the rutting project, the framework and draft specifications for a Balanced Mix Design process for airfield pavements will be achieved.
Submission Deadline: June 9, 2021
To aid engineers in selecting the proper binder for asphalt mixtures at airfields, this project will develop guidance and an app which simplifies the decision making process to ensure that individual project requirements are in compliance with current airfield specifications.
Submission Deadline: June 2, 2021