14B-10-1004 Occupant load.

The provisions of Section 1004 of IBC are adopted by reference with the following modifications:

1.   Revise the last sentence of Section 1004.5 to read:

"Where an intended function is not listed in Table 1004.5, selection of a listed function that most nearly resembles the intended function shall be approved by the building official."

1.1.   Revise Table 1004.5 by changing the value for "Baggage claim" under "Airport terminal" from "20 gross" to "50 gross".

1.2.   Revise Table 1004.5 by changing the value for “Gaming floors (keno, slots, etc.)” under “Assembly” from “11 gross” to “15 gross”.

2.   Revise Table 1004.5 by adding a new entry under "Assembly without fixed seats" to read:

"Outdoor areas (greater than 400 square feet)      |   20 net"

3.   Revise Table 1004.5 by changing the value for "Business areas" from "150 gross" to "100 net."

4.   Revise Table 1004.5 by revising the entries under "Day care" to read:

"Day care                     |

Children under 2               |   55 net

All others                  |   35 net"

5.   Revise Table 1004.5 by revising the entries under "Exercise rooms" to read:

"Exercise rooms                  |

With equipment               |   50 gross

Open floor                  |   20 net"

6.   Revise Table 1004.5 by replacing "Kitchens, commercial" with "Kitchens and service areas, commercial."

7.   Revise Table 1004.5 by deleting the row for "Mall buildings-covered and open."

8.   Revise Table 1004.5 by revising the entries under "Mercantile" to read:

"Mercantile                     |

First story above grade plane            |   30 net

Basement sales floor               |   30 net

Other floors                  |   60 net

Storage, stock, shipping areas            |   300 gross"

9.   Revise Table 1004.5 by adding a row for "Power plants" to read:

"Power plants                     |   400 gross"

10.   Revise Table 1004.5 by revising the entries under "Residential" to read:

"Residential                     |

General                  |   125 gross

Shared outdoor areas               |   20 net"

11.   Revise note a to Table 1004.5 to read:

"a.   Net floor area or gross floor area in square feet per occupant."

12.   Revise Section 1004.5.1 to read:

"1004.5.1 Increased occupant load.

Where approved by the building official, the occupant load permitted in any building, or portion thereof, may be increased from that number established for the occupancies in Table 1004.5, provided that all other requirements of the code are met based on such modified number and the occupant load does not exceed one occupant per 7 square feet (0.65 m2) of occupiable floor space. An aisle, seating or fixed equipment diagram substantiating any increase in occupant load shall be submitted."

13.   Revise Section 1004.6 by deleting the last sentence.

14.   Revise Section 1004.7 to read:

"1004.7 Outdoor areas.

Where occupants are provided access to yards, patios, decks, exterior balconies, occupiable rooftops, courts and similar outdoor areas, the outdoor areas shall be provided with means of egress as required by this chapter. The occupant load of such outdoor areas shall be calculated in accordance with the anticipated use. Where the path of egress travel from the outdoor areas passes through the building, means of egress requirements for the building shall be based on the sum of the occupant loads of the building plus the outdoor areas.

Exceptions:

1.   Outdoor areas accessed exclusively for maintenance need only have one means of egress.

2.   Outdoor areas associated with Group R-5 occupancies and located not more than 15 feet (4572 mm) above grade plane need only have one means of egress and shall not be assigned an occupant load.

3.   Outdoor areas only accessed from an individual dwelling unit in Group R-2, R-3 or R-5 occupancies need only have one means of egress and shall not be assigned an occupant load."

15.   Revise Section 1004.8 to read:

"1004.8 Concentrated business use areas.

The occupant load factor for concentrated business use shall be applied to telephone call centers, trading floors, data processing centers and similar business use areas with a higher density of occupants than would normally be expected in a typical business occupancy environment. The occupant load for concentrated business use areas shall be the actual occupant load, but not less than one occupant per 50 square feet (4.65 m2) of net floor area."

16.   Revise Section 1004.9 to read:

"1004.9 Posting of maximum capacity signs.

Maximum capacity signs shall be posted where required by Section 802 of the Chicago Construction Codes Administrative Provisions."

17.   Insert a new Section 1004.10 to read:

"1004.10 Limited areas used for assembly-type functions.

Where a Group B, F or M occupancy contains limited areas used for functions classified as either "assembly" or "assembly without fixed seats" in accordance with Table 1004.5, the occupant load for those areas shall be determined in accordance with Section 1004.10.1 and the cumulative occupant load for the occupancy shall be determined in accordance with Section 1004.10.2.

1004.10.1 Occupant load for egress from the room or area.

Means of egress directly from a room or area used in full for assembly-type functions shall be designed for the occupant load determined in accordance with Section 1004.3 and Sections 1004.5 through 1004.8.

1004.10.2 Cumulative occupant load.

The cumulative occupant load for the Group B, F or M occupancy shall be determined in accordance with Section 1004.10.2.1 through 1004.2.3.

1004.10.2.1 Rooms up to 150 square feet.

For individual rooms or spaces with a gross floor area of 150 square feet (13.9 m 2 ) or less, the occupant load shall be determined by applying the occupant load factor in Table 1004.5 that is applicable to the predominant function of adjacent spaces within the same suite and same story which are not used for assembly-type functions.

1004.10.2.2 Rooms up to 750 square feet.

For individual rooms or spaces with a gross floor area greater than 150 square feet (13.9 m 2 ) but not greater than 750 square feet (69.7 m 2 ), where the aggregate gross floor area of such rooms or spaces within the suite and story does not exceed 10 percent of the gross floor area of the suite or story, the occupant load shall be determined by applying the occupant load factor in Table 1004.5 that is applicable to the predominant function of adjacent spaces within the same suite and same story which are not used for assembly-type functions.

1004.10.2.3 Non-public meeting and training rooms.

For rooms and spaces used with tables and chairs for meetings, conferences and training primarily attended by individuals employed in the same building and not open to the general public, the occupant load shall be determined by applying the occupant load factor for "classroom areas" in Table 1004.5."

(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 40; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 20; Amend Coun. J. 6-25-21, p. 32180, Art. II, § 15; Amend Coun. J. 1-24-24, p. 8634, Art. IV, § 2)

14B-10-1005 Means of egress sizing.

The provisions of Section 1005 of IBC are adopted by reference with the following modifications:

1.   Revise Section 1005.2 by adding the following sentence at the end:

"The width of means of egress components shall be measured in the clear at the narrowest point of the means of egress component under consideration, excepting projections permitted by this chapter."

2.   Revise exception 1 to Section 1005.3.1 by deleting "and an emergency voice/alarm communication system in accordance with Section 907.5.2.2."

2.1.   Delete exception 2 to Section 1005.3.1.

3.   Revise exception 1 to Section 1005.3.2 by deleting "and an emergency voice/alarm communication system in accordance with Section 907.5.2.2."

3.1.   Delete exception 2 to Section 1005.3.2.

4.   Revise Section 1005.6 by replacing "two adjacent stories" with "stories immediately above and below."

5.   Revise Section 1005.7.1 to read:

"1005.7.1 Doors.

Doors in any position shall not reduce the required width by more than one-quarter.

Exceptions:

1.   [Reserved.]

2.   The restrictions on door swing shall not apply to doors within individual dwelling units and sleeping units of Group R-2, R-3 and R-5 occupancies.

3.   The restrictions on door swing shall not apply to doors to rooms or spaces which are not occupiable spaces.

4.   In Group E-1 occupancies, door swing shall not reduce the required width of corridors by any amount."

6.   Revise Section 1005.7.2 to read:

"1005.7.2 Other projections.

Handrail projections shall be in accordance with the provisions of Section 1014.8. Other projections such as trim and similar features shall be allowed to project into the required width not more than 1 1/2 inches (38 mm) on each side.

Exception: Projections are allowed in corridors within Group I-2 Condition 1 in accordance with Section 407.4.3."

(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 41; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 21; Amend Coun. J. 6-25-21, p. 32180, Art. II, § 16)

14B-10-1006 Number of exits and exit access doorways.

The provisions of Section 1006 of IBC are adopted by reference with the following modifications:

1.   Revise Section 1006.1 by replacing "occupied roofs" with "occupiable rooftops."

2.   Revise Section 1006.2 by deleting "or basement."

3.   Revise Section 1006.2.1 by replacing "values listed in Table 1006.2.1" with "values listed in Table 1006.2.1 or the floor area of the space exceeds 4,000 square feet (372 m2)."

4.   Replace Table 1006.2.1 as shown:

TABLE 1006.2.1
SPACES WITH ONE EXIT OR EXIT ACCESS DOORWAY

OCCUPANCY	MAXIMUM OCCUPANT LOAD OF SPACE	MAXIMUM COMMON PATH OF EGRESS TRAVEL DISTANCE (feet)
		Without Sprinkler System (feet)	With Sprinkler System (feet)
A c, E	49	75	75 a
B, M	49	75	115 a
F	49	75	115 a
H-1, H-2, H-3	3	NP	25 b
H-4, H-5	10	NP	75 b
I-1, I-2 d, I-4	10	NP	75 a
I-3	10	NP	100 a
R-1	10 h	60	75 i	115 a
R-2	10 h	60	75 i	115 a
R-3 e, R-5 e	10 h	60	75 g, i	115 a
R-4 e	10 h	60	75 g, i	115 a
S f	29	75	115 a
U	49	75	75 a

 

For SI: 1 foot = 304.8 mm, 1 square foot = 0.0929 m 2.

NP = Not permitted.

a.   Buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1.

b.   Group H occupancies equipped throughout with an automatic sprinkler system in accordance with Section 903.2.5.

c.   For a room or space used for assembly purposes having fixed seating, see Section 1029.8.

d.   For the travel distance limitations in Group I-2, see Section 407.4.

e.   The common path of egress travel distance and occupant load limitations shall not apply to a building exclusively containing a single dwelling unit and no other occupancy or within a townhouse.

f.   The common path of egress travel distance in a Group S-2 parking garage shall be not more than 100 feet.

g.   For the travel distance limitations in Groups R-3, R-4 and R-5 equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.3, see Section 1006.2.2.6.

h.   20 in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1. For spaces in Group R occupancies required by Section 1004 to use an occupant load factor more intensive that 125 gross, the maximum occupant load is 49.

i.   Buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.2. See Section 903 for occupancies where automatic sprinkler systems are permitted in accordance with Section 903.3.1.2.

5.   [Reserved.]

6.   Revise Section 1006.2.2.1 by replacing "one is permitted to be a fixed ladder" with "one is allowed to be served by a fixed ladder" and replacing "equal to one-half" with "equal to not less than one-half."

6.1.   Revise Section 1006.2.2.2 by replacing "equal to one-half" with "equal to not less than one-half."

7.   Revise Section 1006.2.2.3 by deleting "approved."

8.   Revise Section 1006.2.2.4 by replacing "2 1/2 years of age or less" with "less than 2 years of age."

9.   Revise Section 1006.2.2.6 to read:

"1006.2.2.6 Groups R-3, R-4 and R-5.

Where Group R-3 and R-5 occupancies are permitted by Section 903.2.8 to be protected by an automatic sprinkler system installed in accordance with Section 903.3.1.3, the exit access travel distance for Group R-3 and R-5 shall be not more than 75 feet (22 860 mm). Where Group R-4 occupancies are permitted by Section 903.2.8 to be protected by an automatic sprinkler system installed in accordance with Section 903.3.1.3, the exit access travel distance for Group R-4 shall be not more than 75 feet (22 860 mm)."

10.   Add a new Section 1006.2.2.7 to read:

"1006.2.2.7 Electrical rooms.

Two exit access doorways are required in electrical rooms containing equipment rated 3,000 amperes or greater. Exit access doorways shall be separated by a horizontal distance equal to not less than one-half the length of the maximum overall diagonal dimension of the room."

11.   Revise Section 1006.3 to read:

"1006.3 Egress from stories or occupiable rooftops.

The means of egress system serving any story or occupiable rooftop shall be provided with the number of separate and distinct exits or access to exits based on the aggregate occupant load served in accordance with this section. Where stairways serve more than one story or occupiable rooftop, only the occupant load of each story or occupiable rooftop considered individually shall be used in calculating the required number of exits or access to exits serving that story or occupiable rooftop."

12.   Revise exception 1 to Section 1006.3.1 by replacing "Group R-1, R-2 or R-2" with "Group R."

13.   Delete exception 2 to Section 1006.3.1.

14.   Revise Section 1006.3.2 to read:

"1006.3.2 Egress based on occupant load.

Each story and occupiable rooftop shall have the minimum number of separate and distinct exits, or access to exits, as specified in Table 1006.3.2. A single exit or access to a single exit shall be permitted in accordance with Section 1006.3.3. The required number of exits, or exit access stairways or ramps providing access to exits, from any story or occupiable rooftop shall be maintained until arrival at the exit discharge or a public way.

Exception: Two exits shall be permitted from a story separated by fire barriers into two areas of approximately equal size that are connected by a horizontal exit where the occupant load of each area does not exceed 300."

15.   Revise Section 1006.3.3 to read:

"1006.3.3 Single exits.

A single exit or access to a single exit shall be permitted from any story or occupiable rooftop where one of the following conditions exists:

1.   The occupant load, number of dwelling units and common path of egress travel distance do not exceed the values in Table 1006.3.3(1).

2.   Rooms, areas and spaces in the first story above grade plane complying with Section 1006.2 with exits that discharge directly to the exterior at the level of exit discharge, are permitted to have one exit.

3.   [Reserved.]

4.   [Reserved.]

5.   [Reserved.]

6.   A level within or serving a single dwelling unit, provided all the following criteria are met:

6.1.   The level is either:

6.1.1.   A story not more than one story above or below the first story above grade plane.

6.1.2.   A mezzanine in accordance with Section 505.2.

6.1.3.   A loft in accordance with Section 1207.5.

6.2.   The floor area of the level does not exceed:

6.2.1.   1,600 square feet (148.6 m2).

6.2.2.   2,000 square feet (185.8 m2) where the building is protected throughout with an automatic sprinkler system.

6.3.   The dwelling unit has an exit door that discharges directly to the exterior at the level of exit discharge.

7.   The third story above grade plane within a dwelling unit provided all the following criteria are met:

7.1.   The building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1, 903.3.1.2 or 903.3.1.3.

7.2.   The floor area of the story does not exceed 1,600 square feet (148.6 m2).

7.3.   The dwelling unit has an exit that discharges directly to the exterior at the level of exit discharge.

8.   The third story above grade plane within a dwelling unit provided that all of the following criteria are met:

8.1.   The building does not contain more than three stories above grade plane.

8.2.   The building does not contain more than three dwelling units.

8.3.   The net floor area of the story does not exceed 800 square feet (74.3 m2).

8.4.   Each habitable space on the story shall have a window with a minimum net clear opening of 5.7 square feet (0.53 m2), the bottom of which is not more than 44 inches (1118 mm) above the floor.

8.5.   Each room within the dwelling unit used for sleeping purposes shall be provided with solid wood doors not less than 1 3/4 inches (45 mm) in thickness in a rabbeted frame, or doors in compliance with Section 716.2.2.1 with a fire protection rating of not less than 20 minutes.

8.6.   In addition to an interior exit access stairway, the second story above grade plane shall have either a second interior exit access stairway leading directly to an exit door that discharges to the exterior at the level of exit discharge or access to an exterior means of egress leading directly to grade.

8.7.   Either of the following shall be provided at the third story above grade plane:

8.7.1.   The exit access stairway is enclosed with construction providing a fire-resistance rating of at least one hour and a door meeting criterion 8.5.

8.7.2.   An exterior balcony is provided with a depth of at least 3 feet (914 mm).

9.   The third and fourth story above grade plane in a townhouse, provided all the following criteria are met:

9.1.   The townhouse construction type is I, IIA, IIIA or IV.

9.2.   The floor area of the story does not exceed 1,500 square feet (139.4 m2).

9.3.   At least one exit access stairway is contained within the townhouse and leads directly to the exterior at the level of exit discharge.

9.4.   An egress balcony complying with Section 1021 shall connect at least 3 townhouses at the highest story to an interior exit stairway.

9.5.   Each habitable space more than two stories above grade plane shall have a window with a minimum net clear opening of 5.7 square feet (0.53 m2), the bottom of which is not more than 44 inches (1118 mm) above the floor.

9.6.   Each room in the townhouse used for sleeping purposes shall be provided with solid wood doors not less than 1-3/4 inches (45 mm) in thickness in a rabbeted frame, or doors in compliance with Section 716.2.2.1 with a fire protection rating of not less than 20 minutes.

10.   An occupiable rooftop provided all the following criteria are met:

10.1.   The occupiable rooftop is adjacent to a public way.

10.2.   The occupiable rooftop is located no more than 12 feet (3658 mm) above the level of the public way.

10.3.   The net floor area does not exceed 800 square feet (74.3 m2).

11.   An occupiable rooftop provided both of the following criteria are met:

11.1.   The occupiable rooftop is located no more than 40 feet (12.2 m) above grade plane.

11.2.   The net floor area does not exceed 300 square feet (27.9 m2).

12.   A basement with a floor area that does not exceed 2,000 square feet (185.8 m2) that is used exclusively for storage or mechanical equipment, with only incidental human occupancy.

13.   An outdoor area as provided in the exceptions to Section 1004.7."

16.   Replace Table 1006.3.3(1) as shown:

TABLE 1006.3.3(1)
STORIES WITH ONE EXIT OR ACCESS TO ONE EXIT FOR R-2, R-3, R-4 AND R-5 OCCUPANCIES

 

STORY	OCCUPANCY	MAXIMUM NUMBER OF DWELLING UNITS PER STORY	MAXIMUM COMMON PATH OF EGRESS TRAVEL DISTANCE
First story below grade plane; first or second story above grade plane	R-2, R-3, R-4, R-5	4 dwelling units	75 feet a
Third story above grade plane and higher	NP	NA	NA

 

For SI: 1 foot = 3048 mm.

NP   =   Not permitted.

NA   =   Not applicable.

a.   The maximum common path of egress travel distance shall be 125 feet (38.1 m) in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2 and buildings of Group R-3, R-4 or R-5 occupancy equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.3.

17.   Delete Table 1006.3.3(2).

18.   Delete Section 1006.3.3.1.

(Amend Coun. J. 7-24-19, p. 3646, § 31; Amend Coun. J. 2-19-20, p. 14473, Art. II, § 42; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 22; Amend Coun. J. 6-25-21, p. 32180, Art. II, § 17; Amend Coun. J. 9-14-21, p. 35949, Art. XV, § 8; Amend Coun. J. 1-26-22, p. 43756, Art. II, § 8)

14B-10-1007 Exit and exit access doorway configuration.

The provisions of Section 1007 of IBC are adopted by reference with the following modifications:

1.   Revise Section 1007.1 by adding the following sentence at the end:

"Interlocking or scissor stairways shall be counted as one exit stairway."

2.   Revise Section 1007.1.1 to read:

"1007.1.1 Two exits or exit access doorways.

Where two exits, exit access doorways, exit access stairways or exit access ramps, or any combination thereof, are required from any portion of the exit access, they shall be placed a distance apart equal to not less than one- half of the length of the maximum overall diagonal dimension of the building or area to be served measured in a straight line between them.

Exceptions:

1.   Where interior exit stairways or exit access ramps are interconnected by a 1-hour fire-resistance- rated corridor conforming to the requirements of Section 1020, the required separation distance shall be measured along the shortest direct line of travel within the corridor.

2.   Where a building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2, the separation distance shall be not less than one-third of the length of the maximum overall diagonal dimension of the area served.

3.   In Group R-5 occupancies, the exits, exit access doorways, exit access stairways or exit access ramps shall be arranged remote from one another so as to minimize the chance of both being blocked by smoke or fire.

4.   Where two exits, exit access doorways, exit access stairways or exit access ramps are required from or within a dwelling unit, they shall be arranged remote from one another so as to minimize the chance of both being blocked by smoke or fire.

5.   Where two exits, exit access doorways, exit access stairways or exit access ramps are required from a Group B or Group M tenant space (other than an ambulatory care facility), a reduction in the required separation distance may be approved by the building official where the tenant space is separated from all other areas of the building by construction with a fire-resistance rating of not less than 1 hour and the separation distance is sufficient to minimize the chance of both being blocked by smoke or fire.

6.   In Group R-2 occupancies where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2 and dead-end corridors do not exceed 20 feet (6096 mm), the separation distance shall be not less than 15 feet (4572 mm)."

14B-10-1008 Means of egress illumination.

The provisions of Section 1008 of IBC are adopted by reference with the following modifications:

1.   Revise Section 1008.2 to read:

"1008.2 Illumination required.

The means of egress serving a room or space shall be artificially illuminated at all times that the room or space served by the means of egress is occupied and the intensity of lighting required by Section 1008.2.1 is not provided by means of natural light.

Exceptions:

1.   Occupancies in Group U.

2.   Aisle accessways in Group A.

3.   Dwelling units and sleeping units in Groups R.

4.   Sleeping units of Group I occupancies."

2.   Revise the exception to Section 1008.2.1 to read:

"Exception: For auditoriums, theaters, concert or opera halls, galleries and similar assembly occupancies, the illumination at the walking surface is permitted to be reduced during performances or exhibits to not less than 0.1 footcandle (1 lux) at the walking surface, provided that the required illumination is automatically restored upon failure of normal power or activation of the premises’ fire alarm system."

3.   Delete Section 1008.2.3.

4.   Revise Sections 1008.3.1, 1008.3.2, and 1008.3.3 by replacing "power supply failure" with "normal power supply failure."

5.   Revise item 2 in Section 1008.3.3 to read:

"Rooms or spaces containing fire command centers."

6.   Revise Section 1008.3.4 to read:

"1008.3.4 Operation.

The emergency power system shall be in accordance with Article 700 of the Chicago Electrical Code."

14B-10-1009 Accessible means of egress.

The provisions of Section 1009 of IBC are adopted by reference with the following modifications:

1.   Revise the exceptions to Section 1009.2.1 by replacing "an automatic sprinkler system" with "a supervised automatic sprinkler system."

2.   [Reserved.]

3.   Revise exception 2 to Section 1009.3.3 by replacing "an automatic sprinkler system" with "a supervised automatic sprinkler system."

4.   Revise exception 2 to Section 1009.4.2 by replacing "an automatic sprinkler system" with "a supervised automatic sprinkler system."

5.   Delete the exception to Section 1009.7.2.

6.   Delete exception 6 to Section 1009.8.

7.   Revise Section 1009.8.1 to read:

"1009.8.1 System requirements.

Two-way communication systems shall provide communication between each required location and the fire command center or a central control point location acceptable to the fire code official. Where the central control point is not a constantly attended location, a two-way communication system shall have a timed automatic telephone dial-out capability to a 24/7 monitoring service. The two-way communication system shall include both audible and visible signals. If a handset is provided, the handset cords shall be at least 29 inches (735 mm) long."

8.   Revise Section 1009.10 by deleting "approved."

(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 43)

14B-10-1010 Doors, gates and turnstiles.

The provisions of Section 1010 of IBC are adopted by reference with the following modifications:

1.   Revise exception 1 to Section 1010.1.1 to read:

"1.   Within Group R-2, R-3 and R-5 dwelling and sleeping units that are not required to be an Accessible unit, Type A unit or Type B unit, the minimum clear opening width of an exit access doorway, other than the primary entrance to the unit, shall be 28 inches (711 mm), and the minimum and maximum width shall not apply to door openings that are not part of the required means of egress."

2.   Delete exception 8 to Section 1010.1.1.

3.   Revise exceptions 11 and 12 to Section 1010.1.1 to read:

"11.   The minimum clear opening width shall not apply to doors for shower or sauna compartments not required to be accessible.

12.   The minimum clear opening width shall not apply to the doors for toilet stalls or single-user toilet rooms not required to be accessible."

4.   Revise exception 4 to Section 1010.1.2 to read:

"4.   Doors within or serving a single dwelling unit in Groups R-2, R-3 and R-5."

5.   Delete exceptions 6 and 8 to Section 1010.1.2.

6.   Revise exception 9 to Section 1010.1.2 by replacing "Group H" with "Groups E and H."

7.   Revise Section 1010.1.3 to read:

"1010.1.3 Door opening force.

The force for pushing or pulling open interior swinging egress doors, other than fire doors, shall not exceed 5 pounds (22 N). The force for pushing or pulling open exterior hinged doors and gates shall not exceed 8.5 pounds (38 N). These forces do not apply to the force required to retract latch bolts or disengage other devices that hold the door in a closed position. For other swinging doors, as well as sliding and folding doors, the door latch shall release when subjected to a 15-pound (67 N) force. The door shall be set in motion when subjected to a 30-pound (133 N) force. The door shall swing to a full-open position when subjected to a 15-pound (67 N) force.

Exceptions:

1.   Group R-5.

2.   Within Type B units.

3.   Within or serving only dwelling units that are not required to be Type B units."

8.   Revise the exception to Section 1010.1.4.1.2, item 4, by replacing "in an approved location and clearly identified" with "within sight of the revolving door."

9.   Delete Section 1010.1.4.3.

10.   Delete Section 1010.1.4.4.1.

11.   Revise exception 1 to Section 1010.1.5, exclusive of subparts, to read:

"1.   Doors serving individual dwelling units in Groups R-2, R-3 and R-5 occupancies where the following apply:"

12.   Revise exception 3 to Section 1010.1.5 to read:

"3.   In Group R-2, R-3 and R-5 occupancies not required to be Accessible units, Type A units or Type B units, the landing at an exterior doorway shall be not more than 8 inches (203 mm) below the top of the threshold, provided the door, other than an exterior storm or screen door, does not swing over the landing."

13.   Revise exception 5 to Section 1010.1.5 to read:

"5.   Exterior decks, patios or exterior balconies that are part of Type B dwelling units, have impervious surfaces and that are not more than 4 inches (102 mm) below the finished floor level of the adjacent interior space of the dwelling unit."

14.   Revise Section 1010.1.6 to read:

"1010.1.6 Landings at doors.

Landings shall have a width not less than the width of the stairway or the door, whichever is greater. Doors in the fully open position shall not reduce a required dimension by more than one-quarter its required width. Landings shall have a length measured in the direction of travel of not less than 44 inches (1118 mm).

Exception: Landing length in the direction of travel in Groups R-3, R-5 and U and within individual units of Group R-2 need not exceed 36 inches (914 mm)."

15.   Revise the exceptions to Section 1010.1.7 to read:

"Exceptions:

1.   In occupancy Group R-2, R-3 or R-5, threshold heights for sliding and side-hinged exterior doors shall be permitted to be up to 8 inches (203 mm) in height if all of the following apply:

1.1.   [Reserved.]

1.2.   The door is not part of an accessible route as required by Chapter 11.

1.3.   The door is not part of an Accessible unit, Type A unit or Type B unit.

2.   In Type B units, where Exception 5 to Section 1010.1.5 permits a 4-inch (102 mm) elevation change at the door, the threshold height on the exterior side of the door shall not exceed 4 3/4 inches (120 mm) in height above the exterior deck, patio or exterior balcony for sliding doors or 4 1/2 inches (114 mm) above the exterior deck, patio or exterior balcony for other doors."

16.   Revise the exceptions to Section 1010.1.8 to read:

"Exceptions:

1.   The minimum distance between horizontal sliding power-operated doors in a series shall be 48 inches (1219 mm).

2.   Storm and screen doors serving individual dwelling units in Groups R-2, R-3 and R-5 need not be spaced 48 inches (1219 mm) from the other door.

3.   Doors within individual dwelling units in Groups R-2, R-3 and R-5 other than within Accessible units and Type A units."

17.   Revise Section 1010.1.9.4 to read:

"1010.1.9.4 Locks and latches.

Locks and latches shall be permitted to prevent operation of doors where any of the following exist:

1.   Places of detention or restraint.

2.   Where approved by the fire code official, in buildings in occupancy Group A having an occupant load of 300 or less, Groups B, F, M and S, and in places of religious worship, the main door or doors are permitted to be equipped with key-operated locking devices from the egress side provided:

2.1.   The locking device is readily distinguishable as locked.

2.2.   A readily visible durable sign is posted on the egress side on or adjacent to the door stating: THIS DOOR TO REMAIN UNLOCKED WHEN THIS SPACE IS OCCUPIED. The sign shall be in letters 1 inch (25 mm) high on a contrasting background.

2.3.   The use of the key-operated locking device is revocable by the fire code official for due cause.

3.   Where egress doors are used in pairs, automatic flush bolts shall be permitted to be used, provided that the door leaf having the automatic flush bolts does not have a doorknob or surface-mounted hardware.

4.   Doors from individual dwelling or sleeping units of Group R occupancies having an occupant load of 10 or less are permitted to be equipped with a night latch, dead bolt or security chain, provided such devices are openable from the inside without the use of a key, tool or special knowledge.

5.   Fire doors after the minimum elevated temperature has disabled the unlatching mechanism in accordance with listed fire door test procedures.

6.   Doors serving roofs not intended to be occupied shall be permitted to be locked preventing entry to the building from the roof."

18.   Delete exception 3 to Section 1010.1.9.5.

19.   Revise exception 4 to Section 1010.1.9.5 to read:

"4.   Where a pair of doors serves a Group B, F or S occupancy, manually operated edge- or surface-mounted bolts are permitted on the inactive leaf provided that such inactive leaf is not needed to meet egress capacity requirements. The inactive leaf shall not contain doorknobs, panic bars or similar operating hardware."

20.   Revise item 5 in Section 1010.1.9.7 to read:

"5.   The procedures for unlocking the doors shall be described and accepted as part of the emergency planning and preparedness required by the Chicago Fire Prevention Code."

20.1.   Revise Section 1010.1.9.8 by inserting an item 3 to read:

“3.   Group A occupancies in airport terminals.”

21.   Revise items 3 and 4 (including the exception) in Section 1010.1.9.8.1 to read:

"3.   The delayed egress locking system shall have the capability of being deactivated at the fire command panel. Nothing in this section shall prohibit installation of deactivation means at additional locations.

4.   An attempt to egress shall initiate an irreversible process that shall allow such egress not more than 15 seconds after pressure is applied to the egress-side door hardware for not more than 1 second. Initiation of the irreversible process shall activate an audible signal in the vicinity of the door. Once the delay electronics have been deactivated, rearming the delay electronics shall be by manual means only. The time delay shall not be field adjustable."

22.   Delete item 6.2 in Section 1010.1.9.8.1.

23.   Add new item 9 in Section 1010.1.9.8.1 to read:

"9.   The door must swing in the direction of egress travel."

24.   Revise Section 1010.1.9.11 by replacing "an approved" with "a."

Revise exceptions 3 through 5 to Section 1010.1.9.12 to read:

"3.   In interior exit stairways serving more than 4 stories, exit doors are permitted to be locked from the side opposite the egress side, provided that they are openable from the egress side and capable of being unlocked simultaneously without unlatching both automatically, by smoke detectors or waterflow devices, and manually, upon a signal from the fire command panel, if present, or a signal by building management or emergency personnel from a single location inside the main entrance to the building. A telephone or other two-way communication system connected to a constantly monitored location shall be provided in the exit stairway at not less than every fifth story.

4.   In interior exit stairways serving 4 or fewer stories in other than Group A, E, H, and I occupancies, exit doors are permitted to be locked from the side opposite the egress side.

5.   Stairway exit doors shall be openable from the egress side and shall only be locked from the opposite side in Group R-2 or R-5 occupancies where the only interior access to the dwelling unit is from a single interior exit stairway."

25.   Revise the exception to Section 1010.2 to read:

"Exception: Horizontal sliding or swinging gates exceeding the 4-foot (1219 mm) maximum leaf width limitation are permitted in exterior fences and walls."

26.   Insert a new Section 1010.2.2 to read:

"1010.2.2 Residential buildings.

Exterior gates which are part of the exit discharge for a Group R-2, R-3, R-4 or R-5 occupancy shall conform to the applicable requirements of this section.

1010.2.2.1 Small residential buildings.

On a lot containing buildings with not more than 4 stories above grade plane and not more than 4 dwelling units or sleeping units, an exterior gate is allowed to require a key or special tool to operate in either or both directions.

1010.2.2.2 Large residential buildings.

On a lot containing buildings with 5 or more stories above grade plane or containing 5 or more dwelling units or sleeping units, an exterior gate shall not require a key or special tool to operate in the direction of egress."

27.   Revise Section 1010.3.2 by replacing "an approved" with "a."

(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 44; Amend Coun. J. 12-14-22, p. 58278, Art. III, § 3; Amend Coun. J. 1-24-24, p. 8634, Art. IV, § 3)