Posted 1/28/2020 22:20 (#8007279 - in reply to #8007146) Subject: RE: truck unload drag conveyor pit concrete
South Central Indiana
Just built one per Riley specs. At least 4000 psi concrete, 12" thick walls. They only wanted a 2" ledge to have grates rest on. I doubled that to 4". This is a 21" x 17" conveyor.