The rail also functions as a ladder, regardless of whether it is powered or unpowered.
For control of every floor you will need the following:
You will need a screwdriver for construction.
For each floor you need the following:
Construction - Controlroom
In Multiplayer, the cart may get stuck when going up the Booster Track and stay there until moved.
In Tekkit SMP 3.1.3 the cart gets stuck at the top bobbing up and down.
If you watch the video and use the instructions you may experience the cart to go up then right back to floor 1