I apologize if some take my posting personal.
1. If you are a licensed engineer in my town, I will hold to the the codes of professional conduct and ethics. Do not practise geotechnical engineering if you are not qualified.
2. If you are not a professional engineer, please do not provide ANY...
I think you are on very dangerous ground here. I don't think you have a good grasp on the project. You should be VERY cautious (and afraid, very afraid).
Slags do not make good earthwork fill materials because they tend to have highly variable chemical compositions and physical properties...
I know I'm probably posting to this thread long after it is relative, but what I've read scares me.
It is critical (and required by code) that a licensed geotechnical engineer that has experience with the local soil conditions inspects all foundations. Since the foundation is the base upon...