SECTION 1107
DWELLING UNITS AND SLEEPING UNITS
1107.1 General. In addition to the other requirements of this chapter, occupancies having dwelling units or sleeping units shall be provided with accessible feature in accordance with this section.
1107.2 Design. Dwelling units and sleeping units which are required to be Accessible units shall comply with this code and the applicable portions of Chapters 1 through 9 of ICC A117.1. Type A and Type B units shall comply with the applicable portions of Chapter 10 of ICC A117.1. Units required to by Type A units are permitted to be designed and constructed as Accessible units. Units required to be Type B units are permitted to be designed and constructed as Accessible units or as Type A units.
1107.3 Accessible spaces. Rooms and spaces available to the general public or available for use by residents and serving Accessible units, Type A units or Type B units shall be accessible. Accessible spaces shall include toilet and bathing rooms, kitchen, living and dining areas and any exterior spaces, including patios, terraces and balconies.
Exception: Recreational facilities in accordance with Section 1109.14.
1107.4 Accessible route. At least one accessible route shall connect accessible building or facility entrances with the primary entrance of each Accessible unit, Type A unit and Type B unit within the buiding or facility and with those exterior and interior spaces and facilities that serve the units.
Exceptions:
- If the slope of the finished ground level between accessible facilities and buildings exceeds one unit vertical in 12 units horizontal (1:72), or where physical barriers prevent the installation of an accessible route, a vehicular route with parking that complies with Section 1106 at each public or common use facility or building is permitted in place of the accessible route.
- Exterior decks, patios or balconies that are part of Type B units and 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 unit.
1107.5 Group I. Occupancies in Group I shall be provided with accessible features in accordance wtih Sections 1107.5.1 through 1107.5.5.
1107.5.1 Group I-1. Group I-1 occupancies shal be provided with accessible features in accordance with Sections 1107.5.1.1 and 1107.5.1.2.
1107.5.1.1 Acessible units. At least 4 percent, but not less than one, of the dwelling units and sleeping units shall be Accessible units.
1107.5.1.2 Type B units. In structures with four or more dwelling or sleeping units intended to be occupied as a residence, every dwelling and sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exception: The nubmer of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.5.2 Group I-2 Nursing homes. Nursing homes of Group I-2 shall be provided with accessible feature in accordance with Sections 1107.5.2.1 and 1107.5.2.2.
1107.5.2.1 Accessible units. At least 50 percent, but not less than one, of the dwelling units and sleeping units shall be Accessible units.
1107.5.2.2 Type B units. In structures with four or more dwelling or sleeping units intended to be occupied as a residence, every dwelling and sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.5.3 Group I-2 Hospitals. General-purpose hospitals, psychiatric facilities, detoxification facilities and residential care/assisted living facilities of GroupI-2 shall be provided with accessible feature in accordance with Sections 1107.5.3.1 and 1107.5.3.2.
1107.5.3.1 Accessible units. At least 10 percent, but not less than one, of the dwelling units and sleeping units shall be Accessible units.
1107.5.3.2 Type B units. In structures with four or more dwelling or sleeping units intended to be occupied as a residence, every dwelling and sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exception: The nubmer of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.5.4 Group I-2 Rehabilitation facilities. In hospitals and rehabilitation facilities of Group I-2 which specialize in treating conditions that affect mobility, or units within either which specialize in treating conditions that affect mobility, 100 percent of the dwelling units and sleeping units shall be Accessible units.
1107.5.5 Group I-3. Buildings, facilities or portions therof with Group I-3 occupancies shall comply with Sections 1107.5.5.1 through 1107.5.5.3.
1107.5.5.1 Group I-3 sleeping units. In occupancies in Group I-3, at least 2 percent, but not less than one, of the dwelling units and sleeping units shall be Accessible units.
1107.5.5.2 Special holding cells and special housing cells or rooms. In addition to the units required to be accessible by Section 1107.5.5.1, where special holding cells or special housing cells or rooms are provided, at least one serving each purpose shall be accessible. Cells or rooms subject to this requirement include, but are not limited to, those used for purposes of orientation, protective custody, adminitrative or disciplinary detention or segregation, detoxification and medical isolation.
Exception: Cells or rooms specially designed without protrusions and that are used solely for purposes of suicide prevention shall not be required to include grab bars.
1107.5.5.3 Medical care facilities. Patient sleeping units or cells required to be accesible in medical care facilities shall be provided in addition to any medical isolation cells required to comply with Section 1107.5.5.2.
1107.6 Group R. Occupancies in Group R shall be provided with accessible features in accordance with Sections 1107.6.1 through 1107.6.4.
1107.6.1 Group R-1. Group R-1 occupancies shall be provided with accessible features in accordance with Sections 1107.6.1.1 and 1107.6.1.2.
1107.6.1.1 Accessible units. In occupancies in Group R-1, Accessible dwelling units and sleeping units shall be provided in accordance with Table 1107.6.1.1. All facilities on a site shall be considered to determine the total number of Accessible units. Accessible units shall be dispersed among the various classes of units. Roll-in showers provided in Accessible units shall include a permanently mounted folding shower seat.
| TOTAL NUBMER OF UNITS PROVIDED |
MINIMUM REQUIRED NUMBER OF ACCESSIBLE UNITS ASSOCIATED WITH ROLL-IN SHOWERS |
TOTAL NUMBER OF REQUIRED ACCESSIBLE UNITS |
|---|---|---|
| 1 to 25 | 0 | 1 |
| 26 to 50 | 0 | 2 |
| 51 to 75 | 1 | 4 |
| 76 to 100 | 1 | 5 |
| 101 to 150 | 2 | 7 |
| 151 to 200 | 2 | 8 |
| 201 to 300 | 3 | 10 |
| 301 to 400 | 4 | 12 |
| 401 to 500 | 4 | 13 |
| 501 to 1,000 | 1% of total | 3% of total |
| Over 1,000 | 10, plus 1 for each 100 over 1,000 | 30, plus 2 for each 100 over 1,000 |
1107.6.1.2 Type B units. In structures with four or more dwelling or sleeping units intended to be occupied as a residence, every dwelling and sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.6.2 Group R-2. Accessible units. Type A units and Type B units shall be provided to occupancies in Group R-2 in accordance with Sections 1107.6.2.1 and 1107.6.2.2.
1107.6.2.1 Apartment houses, monasteries and convents. Type A and Type B units shall be provided in apartment houses, monasteries, and convents in accordance with Sections 1107.6.2.1.1 and 1107.6.2.1.2.
1107.6.2.1.1 Type A units. In occupancies in Group R-2 containing more than 20 dwelling units or sleeping units, at least 2 percent, but not less than one, of the units shall be a Type A unit. All units on a site shall be considered to determine the total number of units and the required number of Type A units. Type A units shall be dispersed among the various classes of units.
Exceptions:
- The number of Type A units is permitted to be reduced in accordance with Section 1107.7.
- Existing structures on a site shall not contribute to the total number of units on a site.
1107.6.2.1.2 Type B units. Where there are four or more dwelling units or sleeping units intended to be occupied as a residence in a single structure, every dwelling unit and sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exceptions: The number of Type B units is permited to be reduced in accordance with Section 1107.7.
1107.6.2.2 Boarding houses, dormitories, fraternity houses and sorority houses. Accessible units and Type B dwelling units shall be provided in boarding houses, dormitories, fraternity houses and sorority houses in accordance with Sections 1107.6.2.2.1 and 1107.6.2.2.2.
1107.6.2.2.1 Accessible units. Accessible dwelling units and sleeping units shall be provided in accordance with Table 1107.6.1.1.
1107.6.2.2.2 Type B units. Where there are four or more dwelling units or sleeping units intended to be occupied as a residence in a single structure, every dwelling unit and every sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.6.3 Group R-3. In occupancies in Group R-3 where there are four or more dwelling units or sleeping units intended to be occupied as a residence in a single structure, every dwelling and sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.6.4 Group R-4. Group R-4 occupancies shall be provided with accessible features in accordance with Sections 1107.6.4.1 and 1107.6.4.2.
1107.6.4.1 Accessible units. At least one of the dwelling or sleeping units shall be an Accessible unit.
1107.6.4.2 Type B units. In structures with four or more dwelling or sleeping units intended to be occupied as a residence, every dwelling and sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.7 General exceptions. Where specifically permited by Section 1107.5 or 1107.6, the required number of Type A and Type B units is permitted to be reduced in accordance with Sections 1107.7.1 through 1107.7.5.
1107.7.1 Buildings without elevator service. Where no elevator service is provided in a building, only the dwelling and sleeping units that are located on stories indicated in Sections 1107.7.1.1 and 1107.7.1.2 are required to be Type A and Type B units. The nubmer of Type A units shall be determined in accordance with Sections 1107.6.2.1.1.
1107.7.1.1 One story with Type B units required. At least one story containing dwelling units or sleeping units intended to be occupied as a residence shall be provided with an accessible entrance from the exterior of the building and all units intended to be occupied as a residence on that sotry shall be Type B units.
1107.7.1.2 Additional stories with Type B units. On all other stories that have a building entrance in proximity to arrival points intended to serve units on that sotry, as indicated in Items 1 and 2, all dwelling units and sleeping units intended to be occupied as a residence served by that entrance on that story shall be Type B units.
- Where the slopes of the undisturbed site measured between the planned entrance and all vehicular or pedestrian arrival points within 50 feet of the planned entrance are 10 percent or less, and
- Where the slopes of the planned finished grade measured between the entrance and all vehicular or pedestrian arrival points within 50 feet of the planned entrance are 10 percent or less.
Where no such arrival points are within 50 feet (15.240 mm) of the entrance, the closest arrival point shall be used unless that arrival point serves the story required by Section 1107.7.11.
1107.7.2 Multistory units. A multistory dwelling or sleeping unit which is not provided with elevator service is not required to be a Type B unit. Where a multistory unit is provided with external elevator service to only one floor, the floor provided with elevator service shall be the primary entry to the unit, shall comply with the requirements for a Type B unit and a toilet facility shall be provided on that floor.
1107.7.3 Elevator service to the lowest story with units. Where elevator service in the building provides an accessible route only to the lowest story containing dwelling or sleeping units intended to be occupied as a residence, only the units on that story which are intended to be occupied as a residence are required to be Type B units.
1107.7.4 Site impracticality. On a site with multiple nonelevator buildings, the number of units required by Section 1107.7.1 to be Type B units is permitted to be reduced to a percentage which is equal to the percentage of the entire site having grades, prior to development, which are less than 10 percent that all of the following conditions are met:
- Not less than 20 percent of the units required by Section 1107.7.1 on the site are Type B units;
- Units required by Section 1107.7.1, where the slope between the building entrance serving the units on that story and a pedestrian or vehicular arrival point is no greater than 8.33 percent, are Type B units;
- Units required by Section 1107.7.1, where an elevated walkway is planned between a building entrance serving the units on that story and a pedestrian or vehicular arrival point and the slope between them is 10 percent or less are Type B units; and
- Units served by an elevator in accordance with Section 1107.7.3 are Type B units.
1107.7.5 Design flood elevation. The required number of TypeA and Type B units shall not apply to a site where the lowest floor or the lowest structural building members of nonelevator buildings are required to be at or above the design flood elevation resulting in:
- A difference in elevation between the minimum required floor elevation at the primary entrances and vehicular and pedestrian arrival points within 50 feet (15.240 mm) exceeding 30 inches (762 mm), and
- A slope exceeding 10 percent between the minimum required floor elevation at the primary entrances and vehicular and pedestrian arrival points within 50 feet (15.240 mm).
Where no such arrival points are within 50 feet (15.240 mm) of the primary entrances, the closest arrival point shall be used.