downstairs wall, putting r19 insulation in the wall along with half-inch shear wall plywood and half inch gyprock, which will reduce the noise that she's talking about. all of these houses rest on each other. it's illegal to build something that's dependent on an adjacent property. altogether the loads of our construction is picked up by the existing footing. we also purposely chose not to change the footing because i'm very aware of the sound, the displacement of the sound when you touch the footings, so if -- if you can look at the bottom -- i don't know if you can see that, so... >> we can see it fine. >> okay. so as you can see, we're redoing the slab 'cause the existing slab is about 2 inches wrap proofing thick, and it has holes in it, and we're putting new 4 inch reinforced concrete slab. her house is 3 feet below, there's no way -- we're not touching the footing. you can see in the structural drawings, which is in the exhibit that we sent to you with the brief, she can get seismic people -- these kinds of additions happen all the time. the extra weight of the wall is not going to be suppo