You find the suits in 'Havnelageret'1), yellow door → first door left → they hang on the South side of the room
Let you explain by someone who has used a survival suit before how to wear it.
Remember to zip it entirely! Otherwise it might be more of a trap than a survival help
Enjoy your trip
When you are back: clean it with freshwater and hang it to dry. If there is a damage/leakage, please hang it separately to dry and inform the responsible person