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[TSO]

Looks good. I like the studs... Will make it easier down the road to finish the interior walls.

 

[GLyford]

I asked the foreman where the bottom treated plate is and he said the top of the finished concrete floor is will be about a half inch below the studs so it's not needed,I'm not happy with that answer and will be talking to the contractor,Any thoughts ?

Sounds like they are leaving the gap to make the floor easier to pour? He (or you) could go along after with a multitool or sawzall and a block of 2x as a measuring spacer for the blade and cut the bottom of each stud enough to make a gap for jamming a plate under. Good idea if you are going to insulate to have something to keep it up off the slab. Since it is not a stick frame building you would not need to worry about attaching to the studs and anchoring to the slab unless you like overkill for the heck of it.

 

[EddieWalker]

Thanks eddie,The contractor said he's been installing studs on the purlins for years,I can't think of any negitives with that and
I asked the foreman where the bottom treated plate is and he said the top of the finished concrete floor is will be about a half inch below the studs so it's not needed,I'm not happy with that answer and will be talking to the contractor,Any thoughts ?

I can see where a sill plate isn't needed since the purlins are doing supporting the studs in place. If you are putting plywood or OSB on the interior walls, then I don't see how it will matter too much if you don't have a sill plate structurally.

I would still insist on a sill plate under the studs. It wouldn't make any difference in pouring the concrete except if you wanted to see the entire sill plate and not have the concrete come up part of it depending on the height of the finished floor. You could have them cut all the studs so the bottom of the sill plate is at the top of the concrete. That would be time consuming and probably not offer any advantage.

Two reasons to have the sill plate. First, it's another place to attach your interior wall siding. Depending on what you use, and what type of activity is going on along the wall, there might be some movement if the wall has contact there at the floor.

Second, and more importantly, that opening will allow mice to get into your wall. If you have insulation, they will make their home in there. No mater what you do, mice will be in there if there is not a solid barrier to stop them. Just having plywood or OSB touching the floor is not enough. Mice will get under that.