Place a nether portal in one of the walls.
How to make a bunker. Cover the bunker with local dirt and plant local fauna. Building a simple underground concrete bunker is almost as simple as digging a large hole, pouring a reinforced concrete floor, walls, and roof,. This is a cheap diy underground bunker that you get to build piece by piece.
Place the pipe in the hole. To construct an underground bunker, you must first reinforce your shelter. It will probably look better in one of the short walls.
Dig a hole large enough to fit the pipe at the desired depth. Hollow out a space to stay in. Weld a shorter pipe to the doorway region and add an access ladder to the surface.
Try to make it blend in as much as possible. Contact your city about the necessary permits. And of course, as there’s no electricity, don’t forget to put a radio in your bunker.
You can use rocks and bushes you dug up during excavation to disguise. Before long you will have walls and even a roof. Start to build your walls with.
You will also learn how to create an odourless toilet and workable sink in less than 1 hour. Continue to build layer upon layer with razor wire between each. Once your diy underground bunker’s done, protect it from looters by hiding it in plain sight.