The main building. You can enter through a hatch on the roof or a door in the underground parking lot. You'll encounter a strong group of synths inside. The building consists of three floors - the bottom one is just the door. Inside you can find quite a lot of Novice and Advanced safes. Be sure to explore all of the rooms.
1. The upper level. There is an Advanced safe in the wall. Aside from ammo and cash, you can find a good laser pistol inside.
2. The middle level. Here you can find a Novice terminal. When you unlock it, set the robot to defense and activate it. You'll get rid of a few Synths without the need to fight.
3. The middle level. A Novice chest with some explosives. Be careful because it's booby-trapped.
4. The middle level. A synth leader is hiding in this room. He'll drop a decent rifle and armor parts. The same room contains an Advanced terminal that opens the cage. Inside you'll find mostly ammo.