Where can I find definition of Class I, II Material for backfill?
Where can I find definition of Class I, II Material for backfill?
(OP)
I searched the web for one hour and had no luck.
Thanks a lot for your input.
Thanks a lot for your input.





RE: Where can I find definition of Class I, II Material for backfill?
Your best bet, assuming you are in the U.S., is to check your state's standard highway specifications. They have the various classes of acceptable backfill defined by gradation.
Hope this helps.