Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 34 - Existing Buildings and Structures › Section 3411 - ACCESSIBILITY FOR EXISTING BUILDINGS › Subsection 3411.8 - Scoping for alterations

Current through Register 1525, July 5, 2024
The provisions of Sections 3411.8.1 through 3411.8.14 shall
				  apply to
alterations
to existing buildings and
				  facilities.
3411.8.1
Entrances.
Accessible
entrances shall be provided in
				accordance with Section 1105.
Exception:
Where an
alteration
includes alterations to an entrance, and the building or facility has an
accessible
entrance, the altered entrance is not required to
				  be
accessible
, unless required by Section 3411.7. Signs
				  complying with Section 1110 shall be provided.
3411.8.2
Elevators.
Altered
				elements of existing elevators shall comply with ASME A17.1 and ICC A117.1.
				Such elements shall also be altered in elevators programmed to respond to the
				same hall call control as the altered elevator.
3411.8.3
Platform lifts.
Platform (wheelchair) lifts complying with ICC A117.1 and installed in
				accordance with ASME A18.1 shall be permitted as a component of an
accessible
route.
3411.8.4
Stairs and escalators in
				existing buildings.
In
alterations
, change of occupancy
				or
additions
where an escalator or
stair
is
				added where none existed previously and major structural modifications are
				necessary for installation, an
accessible
route shall be
				provided between the levels served by the escalator or
stairs
in accordance with Sections 1104.4 and 1104.5.
3411.8.5
Ramps.
Where slopes
				steeper than allowed by Section 1010.2 are necessitated by space limitations,
				the slope of ramps in or providing access to existing buildings or facilities
				shall comply with Table 3411.8.5.
TABLE 3411.8.5 RAMPS
SLOPE
MAXIMUM RISE
Steeper than 1:10 but not steeper than 1:8
3 inches
Steeper than 1:12 but not steeper than 1:10
6 inches
For SI: 1 inch = 25.4 mm.
3411.8.6
Performance areas.
Where it is
technically infeasible
to alter performance areas
				to be on an
accessible
route, at least one of each type of
				performance area shall be made
accessible
.
3411.8.7
Accessible dwelling or
				sleeping units.
Where Group I-1, I-2, I-3, R-1, R-2 or R-4
dwelling
or
sleeping units
are being altered
				or added, the requirements of Section 1107 for
Accessible
units apply only to the quantity of spaces being altered or added.
3411.8.8
Type A dwelling or sleeping
				units.
Where more than 20 Group R-2
dwelling
or
sleeping units
are being added, the requirements of Section
				1107 for
Type A
units apply only to the quantity of the spaces
				being added.
3411.8.9
Type B
				dwelling or sleeping units.
Where four or more Group I-1, I-2, R-1, R-2,
				R-3 or R-4
dwelling
or
sleeping units
are
				being added, the requirements of Section 1107 for
Type B units
apply only to the quantity of the spaces being added.
3411.8.10
Jury boxes and witness
				stands.
In
alterations
,
accessible
wheelchair spaces are not required to be located within the defined area of
				raised jury boxes or witness stands and shall be permitted to be located
				outside these spaces where the ramp or lift access restricts or projects into
				the
means of egress
.
3411.8.11
Toilet rooms.
Where it
				is
technically infeasible
to alter existing toilet and bathing
				facilities to be
accessible
, an
accessible
family or assisted-use toilet or bathing facility constructed in accordance
				with Section 1109.2.1 is permitted. The family or assisted-use facility shall
				be located on the same floor and in the same area as the existing
				facilities.
3411.8.12
Dressing, fitting and locker rooms.
Where it is
technically infeasible
to provide
accessible
dressing, fitting or locker rooms at the same location as similar types of
				rooms, one
accessible
room on the same level shall be
				provided. Where separate-sex facilities are provided,
accessible
rooms for each sex shall be provided. Separate-sex
				facilities are not required where only unisex rooms are provided.
3411.8.13
Fuel dispensers.
Operable parts of replacement fuel dispensers shall be permitted to be
				54 inches (1370 mm) maximum measured from the surface of the vehicular way
				where fuel dispensers are installed on existing curbs.
3411.8.14
Thresholds.
The
				maximum height of thresholds at doorways shall be
				3/4 inch (19.1 mm). Such
				thresholds shall have beveled edges on each side.