Quantcast Hot Mixed Asphalt Pavement "HMA"

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NAVY UNIQUE AIRFIELD SKID RESISTANT AIRFIELD PAVEMENT
EVALUATION REQUIREMENTS:
Hot Mixed Asphalt Pavement "HMA"
The guidelines set forth in Section 2 of ref (b) are acceptable for use on naval airfield
pavements with the exception of the following:
1. Chip seals and slurry seal coats shall not be used to increase the skid resistance on
asphalt runway pavements. In the past these items have proven to be high producers
of foreign object debris "FOD" and as such have been typically unacceptable to
airfield managers.
2. Porous Friction Courses (PFC) have proven to be useful in removing surface water
from runway surfaces, however, their effectiveness is highly dependent on a quality
design and construction and they may be very expensive to construct.
Portland Cement Concrete Pavement (PCC)
The guidelines set forth in Section 3 of ref (b) are acceptable for use on naval airfield
pavements with the exception of the following:
1. The preferred finish for PCC airfield pavements is either a broom or burlap drag
finish. The use of wire combing or tining is not recommended due to the potential for
"tearing" of the surface resulting in a high potential for foreign object debris "FOD".
Due to the nature of military aircraft, i.e., the intake of many of these aircraft are
closer to the ground, what is acceptable on a commercial airfield may not be
acceptable on a military airfield.
Runway Grooving
The guidelines set forth in Section 4 of ref (b) are acceptable for use with the following
comments:
1. Saw cutting of the finished PCC or HMA pavement is the preferred method of
producing grooved pavement. Other methods utilizing plastic grooving should only
be used after the contractor has demonstrated his ability to provide grooves without
tearing or shearing of the pavement surface.
Skid Resistance Evaluation
NAVFAC, through the Engineering Field Divisions, will perform friction measurement
evaluations, utilizing continuous friction measuring equipment (CFME), on naval
airfields on an "as requested" basis by the airfield operator or manager. The airfield
operator or manager is responsible for monitoring the build-up of rubber and ensuring its
removal when a hazard exists.
Enclosure (1)





 


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