2007 ORS § 479.020¹
Buildings requiring fire escapes
- • exceptions
(1) Subject to subsection (2) of this section, all buildings, except private residences, erected after May 28, 1925, or any building then erected, having three stories or more where the stories above the second story are actually used, shall be equipped with not less than one standard fire escape or one exterior stairway for each 10,000 square feet of lot or ground space, or fraction thereof, occupied by the building.
(2) If the approval of the State Fire Marshal is secured with respect to a particular building, the requirements of subsection (1) of this section do not apply to such building if it:
(a) Is constructed with two-hour fire-resistive structural elements of steel, iron, concrete or masonry; and
(b) Has incombustible fire-resistive walls and permanent partitions; and
(c) Is provided with not less than two enclosed smokeproof stairwells with firefighter’s access to each floor and to the roof, or is provided with other fire protection and escape which the State Fire Marshal finds adequate for the use of the building. [Amended by 1959 c.651 §2; 1965 c.602 §15]