A key building elevation is meant to see the building as whole and is used to callout the views that are annotated at the 1/4"=1'-0" scale. Always Align all elevations with grids- and one on top of each other.
Drawing Checklist:
Grid Extents
Level Extents
Datum Dimensions on Grids and Levels
Callouts to Enlarged Views
Site / Building Legend for Sites w Multiple Buildings
View Title
Grade Line / Masking
Matchlines
Unit type number in text, DM_Text_Title, above each unit.