Added new bollards.
Sorry about the confusion in my former message: the bus shelter was already there but it is clear that buses cannot reach the former stops.

According to this source, shuttle buses enter the site through Picard.  I will try to come again on a weekday to check.
https://www.vlaanderen.be/intern/werkplek/kantoor-en-gebouwen/gebouwen/overzicht-gebouwen/herman-teirlinckgebouw/van-en-naar-het-herman-teirlinckgebouw