A state Occupational Health and Safety Administration report on last month's floor collapse at the new Louisville arena site could be issued this week.Three workers were injured on April 27 when a section of concrete floor gave way.An investigation by the arena's construction manager blamed human error for the collapse.Arena Authority Chairman Jim Host says he doesn't expect any surprises in OSHA's findings."But I suspect that now that we've laid everything out it should help them in terms of their report as well. I can't see based upon the unvarnished truth of everything that we laid out, I can't see anything that they can find that hasn't already been found. Maybe they will and if they do we'll correct it", Host said last week.An investigation by the construction manager concluded that a subcontractor failed to properly shore up the area of floor that collapsed.