If you need office supplies, you can find them here:
1522-3 (locker before room 316) and 1522-3 (locker before room 320). Both require a B-key.
1524-114A: Envelopes, folders, laminator and scales.
At Heidi Pedersen (1522-312) you can get a paper calendar if you wish.
In the mail room you will find a pigeon hole tray with your name, in which you will find letters and packages for you.