According to FAA standard specifications, what is the maximum allowable square yards of aggregate that can be spread before rolling?

The maximum allowable square yards of aggregate that can be spread before rolling, according to FAA standard specifications, is 2,000 square yards. This specification is crucial for ensuring proper compaction and quality of the base material during construction. Spreading too much aggregate at once can lead to difficulties in achieving optimal compaction, as the material may become too thick to adequately roll or achieve proper density. By limiting the spread to 2,000 square yards, it ensures that the aggregate can be uniformly compacted, thereby promoting stability and longevity of the pavement structure. This approach helps to maintain standards for structural integrity and performance of the runway or road being constructed.