I've just started work as an estimator and I'm new to CAD. I have a contour map on AutoCAD Civil 3D with contour lines. How would I be able to use AutoCad to estimate the quantities of fill that I can obtain for the site? Lets say that the highest elevation is 20 feet and I want to bring the site down to 10ft?
That kind of tutorial may be little beyond the scope of this discussion group. At least, it's beyond the time I have available at this moment. There are tutorials available in the user's Guide to help you unless someone else in here has the time to help you.
This is a link which shows how to make a surface from contours. It's tough to suggest any tutorial for your design surface without spending time with it to see your exact needs. Here is a link for grading tutorials.
if you've never taken a course, it would probably be worth taking a 3 or 4 days class if this is your job from now on. You could ask the instructor more specific questions about your project while you're there.
I suggest working through the following tutorial
Start with some of our most frequented solutions or visit the Installation and Licensing Forum to get help installing your software.