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Re: Dwelling unit separation
Eric,
*IF* (and it does not look like it - nothing looks 'right' about them) ... IF those penetrations where in accordance with an approved UL listed design, the refrigerant line and plastic conduit would likely be okay penetrating through the fire rated wall.
However, and this is where the above does not matter if they were okay or not, being as those at "townhouses" and not "condos", each structure should be able to stand alone (the fire rated wall between them is owned by both with the property line down the center of the wall), thus, that wood should not be going 'through' the wall. That wood could go 'to' the wall and stop at each side, but if one side burned down, the other structure should still be able to stand on its own.
Also, because these are townhouses and not condos and the center of that fire rated wall is the property line, *nothing* from one unit should go through the other unit, least the owner of one unit go up there and tap off / cut / remove / damage / whatever goes through their unit.
Also, I see no fire protection for the roof sheathing extending out 4 feet, is there a 30" high parapet wall at that fire rated wall penetrating up through the roof and 30" above the roof? Should be, or that roof sheathing needs to be protected for at least 4 feet out from each side of the wall (an 8 foot piece is too short as you do not measure from the center of the wall, from each side of the wall).
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