List of Contributions

Get a state dept. of transportation road design standards book such as VA or NC. They will have standard designs used with base and subbase materials underlying bituminous concrete or regular con.(rarely used currently.) Sand is good as it facilitated subdrainage drainage and does not retain water as ...

I am retired but worked for forty years, in industry , government , and community colleges. When dealing with men collaboration of any type is very difficult. In any group there will be one or more dominant persons; these people try to control most everything. One of Women friends refers to it as a ...