Remove and dispose of existing roofing, insulation, and coverboard, down to existing concrete roof substrate.  
Prep substrate as needed for application of vapor barrier.  
Install new rigid insulation to meet the current energy code (R-38 minimum).  Provide additional tapered insulation as needed to maintain existing slope/drainage patterns. Install cover board over rigid insulation.
Install new single ply PVC roofing per details.  Install associated flashings, curbs, pitch pans, etc. per deta
1730 MINOR AVE