Press the OPEN ACCESS HATCH button on the Maintenance Access panel on a girder. With your back to the lift, walk to the left and to the back of the area.Across from the armor, there arre shards on the ground. On the way, there is a medkit on the ground, a BFG charge at the foot of a girder, a medkit at the foot of a vent pipe nearby the cell, and around the corner armor sits on the ground. Moving ahead a hell knight, an archvile, and a cacodemon spawn.At the bottom, a chaingun soldier fires at you. Use the Lift Access Control button, TRANSFER TO CAVERNS LOWER LEVEL ( Main Transfer Lift Shaft).Walking out, turn left, then press the Call Cargo Lift panel.Go through the next door ( Heavy Transfer Lift 1).There are shards on the floor alongside the bunkbeds, and rockets on a nightstand, triggering a swarm of trites. Take the lift down ( Living Quarters 1A) and turn right.There is another BFG charge waiting for you in a cage, with shells and clips.
Straight ahead, head to the room with stairs, an archvile, imps and a wraith spawn.Go through the door ( Base1 Junction 2), and the next one after that ( Containment Monitoring).Wraiths spawn as you reach the t-junction. A chaingun soldier is on the other side of the next door ( Base1 Junction 1).There is an ammo belt on a crate, triggering more wraiths. Behind the elevator, alongside a girder, there is a hole in the flooring containing armor and grenades. Ahead are shards and an aide kit, triggering trites. Exit the elevator ( Base1 Materials Transfer).