Table 6.16 – New Construction of Federal, State, and Local Government Housing
Current Guidelines:  
4.1.4  Occupancy Classifications.  Buildings and facilities shall comply with these standards to the extent noted in this section for various occupancy classifications, unless otherwise noted by a special application section. . . . 

(11) Residential.  Residential occupancy includes, among others, the use of a building or structure, or portion thereof, for sleeping accommodations when not classed as an institutional occupancy.  Residential occupancies shall comply with the requirements of 4.1 and 4.34 except as follows: . . .

(b) Residential occupancies in multiple dwellings where the occupants are primarily permanent in nature, including:


Multifamily housing
(Apartment houses): Federally assisted
Application: 5 percent of the total, or at least one unit, whichever is greater, in projects of 15 or more dwelling units . . . .
Multifamily housing
(Apartment houses): Federally owned
Application: 5 percent of the total, or at least one unit, whichever is greater.
Multifamily housing
(Apartment houses): Dormitories
Application: 5 percent of the total, or at least one unit, whichever is greater.

(c)  Residential occupancies in one (1) and two (2) family dwellings where the occupancies are primarily permanent in nature and not classified as preceding residential categories or as institutional.

One and two family dwelling: Federally assisted, rental
Application: 5 percent of the total, or at least one unit, whichever is greater, in projects of 15 or more dwelling units . . . .
One and two family dwelling: Federally assisted, home ownership

Application: To be determined by home buyer.
One and two family dwelling: Federally owned
Application: 5 percent of the total, or at least one unit, whichever is greater.

Final Revised Guidelines:  
233.1 General.  Facilities with residential dwelling units shall comply with 233. 

233.2 Residential Dwelling Units Provided by Entities Subject to HUD Section 504 Regulations.  Where facilities with residential dwelling units are provided by entities subject to regulations issued by the Department of Housing and Urban Development (HUD) under Section 504 of the Rehabilitation Act of 1973, as amended, such entities shall provide residential dwelling units with mobility features complying with 809.2 through 809.4 in a number required by the applicable HUD regulations.  Residential dwelling units required to provide mobility features complying with 809.2 through 809.4 shall be on an accessible route as required by 206.  In addition, such entities shall provide residential dwelling units with communication features complying with 809.5 in a number required by the applicable HUD regulations.  Entities subject to 233.2 shall not be required to comply with 233.3.

233.3 Residential Dwelling Units Provided by Entities Not Subject to HUD Section 504 Regulations.  Facilities with residential dwelling units provided by entities not subject to regulations issued by the Department of Housing and Urban Development (HUD) under Section 504 of the Rehabilitation Act of 1973, as amended, shall comply with 233.3.

233.3.1 Minimum Number: New Construction.  Newly constructed facilities with residential dwelling units shall comply with 233.3.1.
Exception:  Where facilities contain 15 or fewer residential dwelling units, the requirements of 233.3.1.1 and 233.3.1.2 shall apply to the total number of residential dwelling units that are constructed under a single contract, or are developed as a whole, whether or not located on a common site. 

233.3.1.1 Residential Dwelling Units with Mobility Features.  In facilities with residential dwelling units, at least 5 percent, but no fewer than one unit, of the total number of residential dwelling units shall provide mobility features complying with 809.2 through 809.4 and shall be on an accessible route as required by 206.

233.3.1.2 Residential Dwelling Units with Communication Features.  In facilities with residential dwelling units, at least 2 percent, but no fewer than one unit, of the total number of residential dwelling units shall provide communication features complying with 809.5. 

233.3.2 Residential Dwelling Units for Sale.  Residential dwelling units offered for sale shall provide accessible features to the extent required by regulations issued by Federal agencies under the Americans with Disabilities Act or Section 504 of the Rehabilitation Act of 1973, as amended.

Model Codes & Standards
IBC 2000:  Section 1107.5.4 requires 2 percent of dwelling units in certain multi-family occupancies to comply with the requirements for Type A dwelling units in ICC/ANSI A117.1-1998.

IBC 2003:  Section 1107.6.2.1.1 requires 2 percent of dwelling units in certain multi-family occupancies to comply with the requirements for Type A dwelling units in ICC/ANSI A117.1-1998.