Title: Section 1004 • Size: 17753
Go to Table of Contents
Go to previous section: 1003
Go to next section: 1005
1004.1 General. This section shall apply to every exit door serving an area having an occupant load of 10 or more, or serving hazardous rooms or areas, except that Sections 1004.3, 1004.9, 1004.10 and 1004.11 shall apply to all exit doors regardless of occupant load. Buildings or structures used for human occupancy shall have at least one exterior exit door that meets the requirements of Section 1004.6. Doors and landings at doors which are located within an accessible route of travel shall also comply with Chapter 11.
1004.2 Swing and Opening Force. Exit doors shall be of the pivoted or side-hinged swinging type. Exit doors shall swing in the direction of exit travel when serving any hazardous area or when the area served has an occupant load of 50 or more. The door shall swing to full-open position when an opening force not to exceed 30 pounds (133.45 N) is applied to the latch side. For other door-opening forces, see Chapter 11 and Section 905.3. See Section 3207 for doors swinging over public property.
EXCEPTIONS: 1. Group I, Division 3 Occupancy used as a place of detention.
2. Doors within or serving an individual dwelling unit.
3. Special door conforming with Section 1004.8.
Double-acting doors shall not be used as exits when any of the following conditions exist:
1. The occupant load served by the door is 100 or more.
2. The door is part of a fire assembly.
3. The door is part of a smoke- and draft-control assembly.
4. Panic hardware is required or provided on the door.
A double-acting door shall be provided with a view panel of not less than 200 square inches (0.129 ).
1004.3 Type of Lock or Latch. Exit doors shall be openable from the inside without the use of a key or any special knowledge or effort.
EXCEPTIONS: 1. In Groups B, F, M and S Occupancies, key-locking hardware may be used on the main exit when the main exit consists of a single door or pair of doors if there is a readily visible, durable sign on or adjacent to the door stating THIS DOOR MUST REMAIN UNLOCKED DURING BUSINESS HOURS. The sign shall be in letters not less than 1 inch (25 mm) high on a contrasting background. When unlocked, the single door or both leaves of a pair of doors must be free to swing without operation of any latching device. The use of this exception may be revoked by the building official for due cause.
2. Exit doors from individual dwelling units; Group R, Division 3 congregate residences; and guest rooms of Group R Occupancies having an occupant load of 10 or less may be provided with a night latch, dead bolt or security chain, provided such devices are openable from the inside without the use of a key or tool and mounted at a height not to exceed 48 inches (1219 mm) above the finished floor.
Manually operated edge- or surface-mounted flush bolts and surface bolts are prohibited. When exit doors are used in pairs and approved automatic flush bolts are used, the door leaf having the automatic flush bolts shall have no doorknob or surface-mounted hardware. The unlatching of any leaf shall not require more than one operation.
EXCEPTIONS: 1. Group R, Division 3 Occupancies.
2. When a pair of doors serving a room not normally occupied are needed for the movement of equipment, manually operated edge or surface bolts may be used and a door closer need not be provided on the inactive leaf.
1004.4 Panic Hardware. Panic hardware, when installed, shall comply with the requirements of U.B.C. Standard 10-4. The activating member shall be mounted at a height of not less than 30 inches (762 mm) or more than 44 inches (1118 mm) above the floor. The unlatching force shall not exceed 15 pounds (66.72 N) when applied in the direction of exit travel.
When balanced doors are used and panic hardware is required, panic hardware shall be of the push-pad type and the pad shall not extend across more than one half of the width of the door measured from the latch side.
1004.5 Special Egress-control Devices. When approved by the building official, exit doors in Group B; F, Division 1; Group I, Division 2; Group M and Group R, Division 1 congregate residences serving as group-care facilities may be equipped with approved listed special egress-control devices of the time-delay type, provided the building is protected throughout by an approved automatic sprinkler system and an approved automatic smoke-detection system. Such devices shall conform to all of the following:
1. Automatically deactivate the egress-control device upon activation of either the sprinkler system or the detection system.
2. Automatically deactivate the egress-control device upon loss of electrical power to any one of the following:
2.1 The egress-control device.
2.2 The smoke-detection system.
2.3 Exit illumination as required by Section 1012.
3. Be capable of being deactivated by a signal from a switch located in an approved location.
4. Initiate an irreversible process which will deactivate the egress-control device whenever a manual force of not more than 15 pounds (66.72 N) is applied for two seconds to the panic bar or other door-latching hardware. The egress-control device shall deactivate within an approved time period not to exceed a total of 15 seconds. The time delay established for each egress-control device shall not be field adjustable.
5. Actuation of the panic bar or other door-latching hardware shall activate an audible signal at the door.
6. The unlatching shall not require more than one operation.
A sign shall be provided on the door located above and within 12 inches (305 mm) of the panic bar or other door-latching hardware reading:
KEEP PUSHING. THIS DOOR WILL OPEN IN _______________
SECONDS. ALARM WILL SOUND.
Sign letter shall be at least 1 inch (25 mm) in height and shall have a stroke of not less than 1/8 inch (3.2 mm).
Regardless of the means of deactivation, relocking of the egress-control device shall be by manual means only at the door.
1004.6 Width and Height. Every required exit doorway shall be of a size as to permit the installation of a door not less than 3 feet (914 mm) in width and not less than 6 feet 8 inches (2032 mm) in height. When installed, exit doors shall be capable of opening so that the clear width of the exit is not less than 32 inches (813 mm). In computing the exit width required by Section 1003.2, the net dimension of the exitway shall be used.
1004.7 Door Leaf Width. A single leaf of an exit door shall not exceed 4 feet (1219 mm) in width.
1004.8 Special Doors. Revolving, sliding and overhead doors shall not be used as required exits.
EXCEPTION: Horizontal sliding doors complying with U.B.C. Standard 7-8 may be used:
1. In elevator lobby separations.
2. Other than Groups A and H Occupancies, where smoke barriers are required.
3. When serving an occupant load of less than 50 in any occupancy other than a Group H Occupancy.
Power-operated doors complying with U.B.C. Standard 10-1 may be used for exit purposes. Such doors when swinging shall have two guide rails installed on the swing side projecting out from the face of the door jambs for a distance not less than the widest door leaf. Guide rails shall not be less than 30 inches (762 mm) in height with solid or mesh panels to prevent penetration into door swing and shall be capable of resisting a horizontal load at top of rail of not less than 50 pounds per lineal foot (730 N/m).
EXCEPTIONS: 1. Walls or other type separators may be used in lieu of the above guide rail, provided all the criteria are met.
2. Guide rails in industrial or commercial occupancies not accessible to the public may conform with the exception to Section 509.3.
3. Doors swinging toward flow of traffic shall not be permitted for use by untrained pedestrian traffic unless actuating devices start to function at least 8 feet 11 inches (2718 mm) beyond the door in an open position and guide rails extend 6 feet 5 inches (1956 mm) beyond the door in an open position.
Clearances for guide rails shall be as follows:
1. Six inches (152 mm) maximum between rails and leading edge of door at the closest point in its arc of travel.
2. Six inches (152 mm) maximum between rails and the door in an open position.
3. Two inches (51 mm) minimum between rail at hinge side and door in an open position.
4. Two inches (51 mm) maximum between freestanding rails and jamb or other adjacent surface.
1004.9 Floor Level at Doors. Regardless of the occupant load, there shall be a floor or landing on each side of a door. When access for persons with disabilities is required by Chapter 11, the floor or landing shall not be more than 1/2 inch (13 mm) lower than the threshold of the doorway. When such access is not required, such dimension shall not exceed 1 inch (25 mm). Landings shall be level except for exterior landings, which may have a slope not to exceed 1/4 unit vertical in 12 units horizontal (2% slope).
EXCEPTIONS: 1. In Group R, Division 3, and Group U Occupancies and within individual units of Group R, Division 1 Occupancies:
1.1 A door may open at the top step of an interior flight of stairs, provided the door does not swing over the top step.
1.2 A door may open at a landing that is not more than 8 inches (203 mm) lower than the floor level, provided the door does not swing over the landing.
1.3 Screen doors and storm doors may swing over stairs, steps or landings.
2. Doors serving building equipment rooms which are not normally occupied.
1004.10 Landings at Doors. Landings shall have a width not less than the width of the stairway or the width of the door, whichever is the greater. Doors in the fully open position shall not reduce a required dimension by more than 7 inches (178 mm). When a landing serves an occupant load of 50 or more, doors in any position shall not reduce the landing dimension to less than one half its required width. Landings shall have a length measured in the direction of travel of not less than 44 inches (1118 mm).
EXCEPTION: In Group R, Division 3, and Group U Occupancies and within individual units of Group R, Division 1 Occupancies, such length need not exceed 36 inches (914 mm).
A landing which has no adjoining door shall comply with Section 1006.7.
1004.11 Door Identification. Glass doors shall conform to the requirements specified in Section 2406.
Exit doors shall be marked so that they are readily distinguishable from the adjacent construction.
1004.12 Additional Doors. When additional doors are provided for egress purposes, they shall conform to all provisions of this chapter.
EXCEPTION: Approved revolving doors having leaves which will collapse under opposing pressures may be used in exit situations, provided:
1. Such doors have a minimum width of 6 feet 6 inches (1981 mm).
2. At least one conforming exit door is located adjacent to each revolving door.
3. The revolving door shall not be considered to
provide any exit width.
Go to Table of Contents
Go to previous section: 1003
Go to next section: 1005
|Commercial Asbuilts: BOMA Asbuilt | Definitions | Projects | Project Types | FAQ | Useful links|
|Residential Asbuilts: Projects | Asbuilt Services | FAQ|