According to Section 705.8.1, what are the exceptions that allow unlimited unprotected openings in the first story above grade plane?

Unlimited unprotected openings in the first story above grade plane are allowed if the wall faces a street with a fire separation distance of more than 15 feet or an unoccupied space that is at least 30 feet wide and has access from a street by a posted fire lane. Additionally, buildings without fire-resistance-rated exterior walls are permitted to have unlimited unprotected openings.

According to Section 705.8.1 of the 2018 International Building Code, there are specific exceptions that allow for unlimited unprotected openings in the first story above grade plane. These exceptions include: 1) when the wall faces a street and has a fire separation distance greater than 15 feet, and 2) when the wall faces an unoccupied space that is at least 30 feet wide, is on the same lot or dedicated for public use, and has access from a street by a posted fire lane in accordance with the International Fire Code. Additionally, buildings whose exterior bearing walls, exterior nonbearing walls, and exterior primary structural frame are not required to be fire-resistance rated are also permitted to have unlimited unprotected openings.