2006 IBC
After reading the Code and Commentary regarding Party Walls [705.1.1]; is it a correct assumption that Party Walls can be one wall (Common Wall) between two deeded properties?
Fire walls using 705.5 Exception #2 and in 705.5.1 are similar in text but it appears that 705.5.1 disallows a rating for the 4-ft of exterior walls, when the exterior walls are at 180-degress to a fire wall. Is the 180-degress from the end of the fire wall where it abuts the exterior wall’s outer face? The non rated exterior walls are really perpendicular to the fire wall faces on each side of the fire wall. However, the firewall’s code omitted 18-inch extension [705.5 Exception #2] is reduced to be in the abutting exterior walls thickness. The Code Commentary really does not show a graphic example of this. They have the stepped building examples but nothing for the horizontal conditions that could occur.
After reading the Code and Commentary regarding Party Walls [705.1.1]; is it a correct assumption that Party Walls can be one wall (Common Wall) between two deeded properties?
Fire walls using 705.5 Exception #2 and in 705.5.1 are similar in text but it appears that 705.5.1 disallows a rating for the 4-ft of exterior walls, when the exterior walls are at 180-degress to a fire wall. Is the 180-degress from the end of the fire wall where it abuts the exterior wall’s outer face? The non rated exterior walls are really perpendicular to the fire wall faces on each side of the fire wall. However, the firewall’s code omitted 18-inch extension [705.5 Exception #2] is reduced to be in the abutting exterior walls thickness. The Code Commentary really does not show a graphic example of this. They have the stepped building examples but nothing for the horizontal conditions that could occur.
