There's absolutely no reason why they can't use a power rack, take out the safety rails, and hang safety straps from the top of the rack. And there's also absolutely no reason why a meet should have 3 skinny stick figures spotting someone with 700lb+ on their back.
Current PRs at 242, raw w/ wraps- 525, 355, 605, 1485
Roboro tui, perimo vester adversarius
(Build yourself, destroy your enemy)