Okay. We’re finally out of the dark for once. We’re now trapped behind a fence though. Go back to the fenced in supply area and turn the wheel. Break open all of the boxes to get some much needed supplies. Also look around for the orange wheel. Pick it up and pop it into the little orange box by the fence. Turn it to open the gate and go outside.
Feel free to listen to Dr. Kleiner for a minute. When you’re ready to go, walk around to the back corner with all the sheet metal on the wooden frame. Pull it off and go through. Clear the next doorway, but then grab your gun. 4 Combine should rappel down into the alley. Help Alyx pick them off with your pistol. Once they’re dead, search the bodies for an SMG. Go out the end to spot a rebel fighting a few antlions.
There are 3 antlion burrows, but lots of cars. Use the gravity gun to block the 2 closest burrows. Push down the street but stop for a minute. Some Combine should rappel in around the third burrow. Back off for a second so that the antlions attack them. Then use the distraction to push the last car into the burrow.
Advance a bit more to the end of the street. Pull the boards off of the blue door and open it. Shoot the mine by the 2 Combine to blow them up at a safe distance. This also sets off a chain reaction and a bit of a fire though. You’ll need to put that out before you can advance.
Go down and to the left. Use the gravity gun to pull the supplies off the shelf. Don’t stand too close though, since the box will set off the mine. Go into the back room for a basic seesaw puzzle. Grab the 2 chairs from the area and set them right down on the pipes. Set them a bit out from the end though. This should immobilize the pipes and let you run up to the other side. Jump over to the propane tank and turn the valve until it shuts off.