i did end up going 12". once i rock it, there will be a true 10" of concrete and keyed, rebared.
and yes ive seen only anchors rip out. the only concrete ive seen fail on a two post was just bad concrete all together. like it was poured in layers. weird.
i ended up digging to 12". going to compact, rock it, and moisture barrier it this weekend.
it will be keyed, rebared into existing slab building footer, and fiber added to concrete. actual concrete depth will probably end up around 10"
im not totally against cutting out the length between...
Hi everyone. Long time lurker, first time poster.
I have an Atlas 10k 2 post lift I'm getting ready to install. At most it'll see 7500 lb. if that. ive been reading here and other places for a couple months and there are so many different answers.
I'm in the middle of prepping concrete...