Where is the vault in episode 2 in sly copper band thieves

the vault is, do you know were sly and carmelita go dancing. If you are facing the door to that bulding you turn left were a big fire pit is and a guy walking around it. then you walk from there to the back of the building in there should be a sewer line crawl throught there. Then you will come to a big room and you go a little ways about in the middle of the room there will be a another room to the right with lasers on the ground in the far end of the room is the vault