Thanks for all of the replies. To answer some of your questions, a new 36" pipe will be installed with PVC liner to resist corrosion. The 2' cover is measured from the top of pavement to the top of pipe so that includes the pavement thickness, subgrade, and backfill (thicknesses yet to be...
What would be the best way to handle this? We are realigning an existing 36" RCP sewer line that currently has about 2' of cover. The new sewer will need to be installed beneath an access road that frequently has loading trucks.
Would it be better to just use a reinforced concrete jacket...