Grain blue ray delivered

The blue ray disc I created last night (and retrieved from the lab this morning) seems to function properly, looping beginning to end as designed. Class was a bit too chaotic today since I'd forgotten that the avids in the classroom only have standard dv decks and not hdv decks, making the already unrealistic in class project nigh-impossible. I have not yet delivered the Sockvile because I cannot copy it off of the Mac it was rendered on. I think this is because the file is over 5 Gb. Is there a solution for this? I really have run out of patience for Mac computers. I've set it to re-render so that I can have a smaller copy of it for adjudication purposes.