Our area of work includes portions of the first and second floors of a university library in California. On the first floor, only bathrooms are included. On the second floor, the following space types are included: bathrooms, lobby, circulation, other visitor areas, and some staff-only area.

A few fixtures might be replaced. However, most will either not be touched or be slightly relocated to satisfy ADA requirements.

For the prerequisite, shall we include the existing fixtures in our area of work that are not replaced?

For the credit, which bathrooms do we include? Shall we only include second floor bathrooms that serve the lobby, circulation, visitor, and staff areas that are within our area of work?