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Request for Proposals

NAPA seeks contractors for all open Requests for Proposals (RFPs). Please click the linked file (PDF) to view the details and submission instructions of a specific project.

RFPs are posted here as they become available.

Evaluating Stone Matrix Asphalt (SMA) for U.S. Airfield Pavements

Objective: Evaluate the suitability and benefits of SMA for U.S. airfield pavements and develop technical guidelines for its use. This includes assessing SMA’s structural and functional performance relative to current FAA-standard mixes and providing recommendations on mix design, production, construction, and maintenance to support safe, cost-effective use on runways, taxiways, and aprons.

AVAILABLE FUNDS (Phases I and II): $500,000

CONTRACT PERIOD (Phases I and II): 24 months

RESPONSE DEADLINE: August 28, 2025

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