In western mass. I'm running both ra-4 and b/w roller transport machines in my drkrm - three durst 57 enlargers (two with cls 1000 heads, one with a b/w condenser) plus a closed loop beseler color head on a 45 mxt chassis. I've mural capacity up to 52" x 70" in b/w, color up to 20" wide. Big drymount press and a 24" wide cold mount press in the dry room.