Unistrut. http://www.unistrut.us/
2 - 24" pieces on the ground
2 - 18" pieces vertical from ground to bench mounts
2 - angle supports (to keep 24" and 18" pieces together)
nuts, bolts, and washers
... just a guess
How about everyone worry about their own house and things will sort themselves out.
http://mcfeely.areavoices.com/2017/09/04/the-odds-it-appears-are-finally-catching-up-to-ndsu/
Here's hoping you win out as well.*
*You always hope the teams you beat win out; makes you look better. Then again, you always hope the teams you lose to win out so your loss looks reasonable.