Footing Drain Required at Slab On Grade?

[fj80]

2012 IRC

Is a footing drain required for a slab on grade that is above the exterior finish grade?

 

[SCBO1]

Curious what that design would look like? A french drain system comes to mind?

 

[fj80]

Curious what that design would look like? A french drain system comes to mind?

If it's required, it would be like a typical footing drain- drain tile in gravel with geo-textile cover at the outside edge of the footing. Just not sure it's required though since the finished floor of the habitable space is above grade, as opposed to a basement slab on grade which would of course require a footing drain.

 

[HForester]

R405.1 Drains required ..for foundations...that retain earth and enclose habitable or usable space located below grade.

In other words, No.