Item 1, 3 & 4: Why are you creating a model object to represent fill materials? Using a Filled Region in the section or callout views this would be seen in is more efficient and would allow you to shape the Filled Region to any model elements or slab edge profiles.
Item 2: What about?
Mel Persin, AIA
AEC Technology Consultant
Technology to Visualize and Realize Solutions
Modeling for the Future/Drafting in the Present/Building on the Past
