Ive got a z level on my map which i want to use it so only a certain player can build on it that z level by me coding in his byond key and it saves his map every time i reboot the game is this possible? eg

like

i wanted to build a punchingbag and i save it and then reboot the game and it is still there anyway of doing that or is that impossible to do since the game removes everything after reboot?