As in the title. "Survive" is defined as being able to defend their own space against native factions that will attack it, and not be destroyed or conquered. A) If they get their own FTL tech that is safe to use. B) If their own FTL tech doesn't work, but they have what they need use the warp as safely as the Imperium can. C) If their own FTL doesn't work and they have to figure out how to use the warp the hard way.