Step 4: Securing the framework
NOTE: I made my bar run the length of the room so I did not need to fasten my bar to the floor. If you choose to make your bar not run all the way, you will want to fasten the bottom plate to the floor using nails or concrete tapcons. Do a simple google or instructable.com search to learn how to fasten a plate to the floor.
At this point your bar should look like the following picture.