Is this workflow doable with Octopus?

I’m trying to come up with a good deployment strategy, and I’m not sure if I can fully do this with Octopus.

My primary hangup is around the step where the DBA manually DECLINES an auto rollback, can I have another step come after that? IE: if DECLINE

Just in case anyone stumbles on this thread it was mostly answered here:
http://help.octopusdeploy.com/discussions/questions/4389

Vanessa