From Alan Poon (Berkeley Lab) : Building density report:
https://drive.google.com/file/d/1oJ8i6Y6yXflXzOaGQL1NSWObwBgWaV5J/view?usp=sharing
 

It’s a pretty big file.
This following link is the executive summary:
https://drive.google.com/file/d/1ISKhOHBI2fVhwaICzG-09zNupwJsVrqf/view?usp=sharing