How Do I Create Breaks by Discipline in Sheet List Tables??

[3D_PB]

I have a sheet list table created that closely matches the look our companies manually created sheet list when plotted except that I need to create empty spaces between disciplines. Please see attached .jpg if you are unsure what I am taking about.

I also want to add drawings to the sheet list table that have not been added to the sheet set yet. I want to do this because an outside consultant is doing the structural design work and we don't have the drawings yet, but we want to show them on the sheet list.

Is there any way to accomplish the above two things with the sheet list table while retaining its link to the sheet set?

Thanks for any help!