Complex sentence: There are also dormitories where workers (many migrant) live as well offices for the trainers to register horses for upcoming races, a cafeteria, a recreation hall, and offices for the Chaplain.
Split into simpler sentences: There are also dormitories where workers (many migrant) live. There will be offices for the trainers to register horses for upcoming races, a cafeteria, a recreation hall, as well as offices for the Chaplain.