How many porta potties for 100 guests at a four-hour party?
We're throwing a 40th anniversary party for my parents at a barn venue. The barn has no indoor plumbing. There will be 100 guests, the party runs from 4pm to 8pm, and we're serving a catered dinner with beer and wine. The rental company says they can drop the units on the gravel pad behind the barn, and their truck can get right to it.
I'm trying to finalize the order and need to get the count right. I know we need at least one ADA-compliant portable toilet. For the rest, should we go with a few standard units or upgrade to a couple of deluxe units? How many total units should we rent for a four-hour event with alcohol?