If we're going to try to recreate the city, why not do it right? Why rebuild it the way it was? New Orleans was a dangerous city even before the hurricane hit.
What that tells me is that a lot of people who left are planning to come back.
It's sufficient to protect both workers and the public from any inadvertent exposure.
Everybody's been working together for years so we all know each other and how to work together as a team.