Go forward, then take the door on the left. After that, Put the gear in the spot with the glowing blue ring. Pick up a gear on the side of the wall using Kinesis, and bring it over to the elevator. Use the bench if you need to build anything. Now go to the console and again continue downward.After hearing about snow suits in the basement, You should now go around and turn the generator on. Go through the next door, and kill off the enemies.

There is also a new suit at the kiosk to use! As you go to leave, there is an Upgrade circuit on the wall right by the exit door. This next room has lots of goodies, including an Audio log, weapon part, bench, and suit kiosk. Now use the console to unlock the next door. There is a Weapon part immediately to the left once through the door.

Once you reach a ledge, go to the right through a door. Continue down, and kill the guys shooting at you from the central platform. There is also a weapon part that can be grabbed with Kinesis from a bridge. Take out the bridges that these guys are fighting on easily by targeting the large red stacks of dynamite. You now are fighting against Unitologists. Walk around it to find a weapon part, and a console to let you continue your way down. Once you get to the platform half-way down, get to the elevator and take it down. Shoot at the Necromorphs while descending. Now go over to the console, and start going down yourself. There is also a bench and a few supply crates. If you look at your buddy, you can see a weapon part at his feet. Through the door, Get through it and you can see Danik descending into the planet.

Dead space 3 chapter 4 collectibles