What is the required application rate for a prime coat on limerock?

The required application rate for a prime coat on limerock is specified as greater than or equal to 0.10 gallons per square yard (gal/syd). This ensures that the surface has sufficient bonding capability and moisture retention to prepare it adequately for subsequent layers of asphalt.

Applying a prime coat serves the purpose of promoting adhesion between the limerock base and the asphalt layer that will be applied later. Ensuring a minimum application rate of 0.10 gal/syd helps achieve the desired effectiveness in sealing the surface and enhancing the overall structural integrity of the asphalt pavement.

Understanding the context of the number facilitates recognition that while certain application rates are given, they must align with specific project requirements or specifications set forth by the Florida Department of Transportation (FDOT) or similar guiding documents. This rate is standard practice, reflecting both material efficiency and performance requirements for road construction and paving projects.