DWV line in 12″ thick footing/slab.

Can I fully bury my 3″ DWV floor drain line in a concrete slab/footing? I have an offset foundation wall on a sloped lot that has some big engineering. Including… Can I fully bury my 3″ DWV floor drain line in a concrete slab/footing? I have an offset foundation wall on a sloped lot that has some big engineering. Including…Read MoreGreenBuildingAdvisor