doesnt Mike Haddox have a paving company up in Reston? he is a member here and may be able to provide more details. When we built ours a few years back we paid $1.66/sf for it, and did have grading issues but worked with a contractor doing other work in the area. With as much movement as the gumbo soil is going to get, i'd spend the money on the base to stabilize it as much as possible. maybe run petromat for a few years and fundraise for asphalt. Then make sure you have an annual fund for crack seal to keep it solid.

dos007 my father was born in Norco, nice to know there's a jet guy around there.