University College Dublin is to return to full-size lectures with up to 500 students next month.
The Irish Federation of University Teachers wants health and safety steps strengthened when college returns in September.
It's concerned there's no requirement for social distancing in classrooms and lecture halls.
It says clarity's needed on how social distancing will be run, to avoid different policies in different colleges.
Deputy General Secretary of IFUT, Frank Jones says a joint approach is needed
University College Dublin is to return to full-size lectures with up to 500 students next month.
There won't be any social distancing enforced but masks will be compulsory.
The Department of Education is being urged to issue guidelines so all colleges know what measures are required.
Frank Jones, doesn't believe it's safe to ditch social distancing