QUOTE (corallineadam @ Oct 27 2009, 08:59 PM)

WHAT ABOUT AN AREA OF 10"x24"???
You pretty much answered that already. 10"x24" = space for 240x1" diameter plugs. Assuming you want some frags on plugs as well it would be less, depending on the fize of the frags. I'd say you could get away with 140-160 frags if they aren't too big. I think.
EDIT: Yea - Mr. Slowhand typing here.