Weep hole and FB board placement

[UtahBeehiver]

All parts of the dome and floor MUST be isolated from the concrete hearth by insulation. If the dome is placed on the hearth, the heat of the dome is transferred down through the hearth which acts as a heat sink. 3-4 weep holes should be good, with wire mesh siliconed to underneath to keep bugs out . As you proposed, tiles under the CaSi board is a solution so water can egress out through the weep holes. Gap the tiles so there are channels to the weep holes.

Also, full soldiers may require buttressing due to the outward pressure caused by the dome and arch and top of soldier joint.

[plastered]

I've seen some builds where the FB board is just under the oven floor and not under the soldiers, dome insulation, etc. I'm going to put tile sheets under the FB board in order to help drain water. If the FB board is only under the oven floor, the insulation blanket around the dome will be touching the concrete slab hearth and will be able to absorb water. Therefore, should the tile sheets and FB board be under the entire dome (oven floor + soldiers + several inches to account for the dome insulation/mortar)?

In my attached drawing I have 2 cross sections where you can see in #1 the FB board is only under the oven floor. In #2 it is under the entire oven dome. Depending upon the answer to where the FB/tiles extend to, where do I put the weep holes, and how many are needed?

I would think you would want weep holes on the outer rim of the dome, where the insulating blanket will be, in order to keep water out of it. Is that a correct assumption? I would think to put maybe 10 or so weep holes evenly spaced, roughly like I show in the third, birds eye view drawing attached. Thoughts?