Exterior landings shall be permitted to have a slope not to exceed ¼ unit vertical in 12 units horizontal (2-percent). Tables 1006.3.3(1) and 1006.3.3(2) are not applicable to this occupancy classification. THESE DIAGRAMS ILLUSTRATE THE SPECIFIC REQUIREMENTS OF THESE REGULATIONS AND ARE INTENDED ONLY AS AN AID FOR BUILDING DESIGN AND CONSTRUCTION. Exterior exit doors shall comply with the applicable requirements of Section 1010.1. Buildings or structures used for human occupancy shall have not less than one exterior door that meets the requirements of Section 1010.1.1. Exception: The landing or floor on the exterior side shall be not more than 7-3/4 inches (196 mm) below the top of the threshold provided the door does not swing over the landing or floor. This exit door must have a landing/floor on each side. (1) Required egress doors shall not be located in rooms where a lockable interior door must be used in order to exit. Any ramp system that is intended for public use must comply with the Americans with Disabilities Act (ADA). Clear openings of doorways with swinging doors shall be measured between the face of the door … Every landing shall have a minimum dimension of 36 inches measured in the direction of travel. (2) In order for exit doors to be considered remote from each other, they must comply with all of the following: The exterior landing must be, at a minimum, the width of the door and a minimum 36 inches in depth from the door/wall plane. Manufactured homes shall have a minimum of two exterior doors located remote from each other. 1022.2.1 Detailed requirements. (6) Tailcone. 1022.2.2 Arrangement. This type is an exit from the passenger compartment through the pressure shell and the bottom fuselage skin. 1022.2 Exterior exit doors. So yes you could have the twin doors at the main entrance with leafs smaller than 36 inches as long as there is an additional door that is a minimum 36 inch door located as described in R311.1 and R311.2 Side-hinged exit doors must be used to connect rooms to exit routes. Exit doors, including manually operated horizontal sliding doors, shall be openable from the inside without use of a key or any special knowledge or effort. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. The width of each landing shall not be less than the door served. each exterior door. You could have any door that does not access through a garage meet the exit door requirements. The dimensions and physical configuration of this type of exit must allow at least the same rate of egress as a Type I exit with the airplane in the normal ground attitude, with landing gear extended. The floor/landing on the interior may be no more than 1 -1/2 inches below the threshold. ACCESSIBLE ROUTES 11B-404.2.3 Door openings shall provide a clear width of 32 inches minimum. This section contains requirements for the design and construction of exit routes. (a) Number and location of exterior doors. There are many regulations and calculations that go into designing an ADA ramp, but the ramp landing size is commonly miscalculated because the door size, door swing, and ramp approach are often not considered. These doors must swing out in the direction of exit travel if the room is to be occupied by more than 50 people or if the room is a high-hazard area.