Vault 79 plans

The Vault 79 plans are a quest item $$

Gameplay
A classified blueprint used in the construction of Vault 79. It is used to plan the breaching of the Vault and can be shown to Meg or Paige as part of Cheating Death or Trade Secrets, respectively.

Locations
Added to the player character's inventory after accessing Vault-Tec University's restricted wing during the quest Overseer, Overseen.