It's there, but sometimes the position on the landscape means you can't access it. I find it happens on steeper slopes. I haven't had time to fix it. I tend to use remote pull/push when it happens.

Hm...How far in or far out must it be placed?

It's a large structure, and I haven't found a good solution. Depending on how I set it up, It is either difficult to position or occasionally obscures the inventory. On flat ground it seems to work, on a steep slope it's sometimes hard to locate the access point. I haven't had a problem as I tend to use the remote push/pull tools.

I replaced them and it seems they need a bit of level ground. Before I recessed them into the stonney outcrops. Regarding push/pull, can you allow renaming of all of the structures in the mod? Due to the push/pull feature of Structure Plus or Super Structure, the feature pull stuff from the nearest inventories, like wood, which is used for many stone constructions. This tends to disrupt the on going function of your buildings, like mines and kilns. If you don't allow renaming, could you add the feature to disable pulling from the building through the interaction wheel?

I can add it to the list of things for consideration next time I open it up.