Indiana Administrative Code
Title 675 - FIRE PREVENTION AND BUILDING SAFETY COMMISSION
Article 27 - INDIANA VISITABILITY RULE FOR ONE AND TWO FAMILY DWELLINGS AND TOWNHOUSES
Rule 1 - Indiana Visitability Rule
Section 1-14 - Exterior accessible routes
Universal Citation: 675 IN Admin Code 1-14
Current through March 20, 2024
Authority: IC 22-13-2-2; IC 22-13-2-13; IC 22-13-4-7
Affected: IC 22-12; IC 22-13; IC 22-14; IC 22-15; IC 36-7
Sec. 14.
(a) Exterior accessible routes shall consist of one (1) or more of the following components:
(1) Walking surfaces with a slope not greater
than 1:20.
(2) Doorways.
(3) Ramps.
(4) Curb ramps.
(5) Elevators.
(6) Wheelchair (platform) lifts.
(b) All components of an exterior accessible route shall comply with the applicable portions of this rule and as follows:
(1) Walking surfaces that are a part
of an exterior accessible route shall comply with section 13 of this
rule.
(2) Floor or ground surfaces
shall comply with section 13 of this rule.
(3) The running slope of walking surfaces
shall not be greater than 1:20. The cross slope of a walking surface shall not
be greater than 1:48.
(4) Changes
in level shall comply with section 13 of this rule.
(5) The clear width of an exterior accessible
route shall be thirty-six (36) inches (ninety-one and forty-four hundredths
(91.44) centimeters) minimum. Clear width may be reduced to thirty-two (32)
inches (eighty-one and twenty-eight hundredths (81.28) centimeters) for a
twenty-four (24) inch (six and ninety-six hundredths (6.96) centimeters)
maximum segment, and segments shall be separated by no less than forty-eight
(48) inches (one hundred twenty-one and ninety-two hundredths (121.92)
centimeters) of thirty-six (36) inch (ninety-one and forty-four hundredths
(91.44) centimeters) width (see Figure 9). Figure 9 is as follows:
(6) Where
an exterior accessible route makes a one hundred eighty (180) degree (three and
one hundred forty-two thousandths (3.142) radians) turn around an object that
is less than forty-eight (48) inches (one hundred twenty-one and ninety-two
hundredths (121.92) centimeters) wide, clear widths shall be forty-two (42)
inches (one hundred six and sixty-eight hundredths (106.68) centimeters)
minimum approaching the turn; forty-eight (48) inches (one hundred twenty-one
and ninety-two hundredths (121.92) centimeters) minimum during the turn; and
forty-two (42) inches (one hundred six and sixty-eight hundredths (106.68)
centimeters) minimum leaving the turn (see Figure 10). Figure 10 is as follows:
NOTE:Dimensions shown apply when x <48 in.
Figure 10 Clear Width at Turn
(c) Walking surfaces on exterior accessible routes with a running slope greater than 1:20 are ramps and shall comply with the following:
(1) Ramps shall have a running
slope not greater than 1:12.
(2)
The cross slope of ramp runs shall not be greater than 1:48.
(3) Floor or ground surfaces of ramps shall
comply with section 13 of this rule.
(4) The clear width of a ramp shall be
thirty-six (36) inches (ninety-one and forty-four hundredths (91.44)
centimeters) minimum.
(5) The rise
for any ramp run shall be thirty (30) inches (seventy-six and two-tenths (76.2)
centimeters) maximum.
(d) Ramps shall have landings at the bottom and top of each run. Landings shall comply with the following:
(1) Landings shall
have a slope not greater than 1:48 and shall comply with section 13 of this
rule.
(2) The clear width of
landings shall be at least as wide as the widest ramp run leading to the
landing.
(3) The landing length
shall be sixty (60) inches (one hundred fifty-two and four-tenths (152.4)
centimeters) minimum clear.
(4)
Ramps that change direction at landings shall have a sixty (60) inch by sixty
(60) inch (one hundred fifty-two and four-tenths (152.4) centimeters by one
hundred fifty-two and four-tenths (152.4) centimeters) minimum landing at the
change in direction.
(5) Where
doorways are adjacent to a ramp landing, maneuvering clearances required by
section 6 of this rule shall be permitted to overlap the landing
area.
(6) Landings with a rise
greater than six (6) inches (fifteen and twenty-four hundredths (15.24)
centimeters) shall have handrails complying with subsection (f). Handrails
shall not reduce the required clearances of a ramp run or landing.
(7) Edge protection complying with
subdivision (9) shall be provided on each side of ramp runs and on each side of
ramp landings. Exceptions are as follows:
(A)
Ramps not required to have handrails where sides complying with subsection
(e)(3) are provided.
(B) Sides of
ramp landings serving an adjoining ramp run or stairway.
(C) Sides of ramp landings having a vertical
drop-off of one-half (½) inch (twelve and seven-tenths (12.7)
millimeters) maximum within ten (10) inches (twenty-five and four-tenths (25.4)
centimeters) horizontally of the minimum landing area.
(8) The floor or ground surface of the ramp
run or landing shall extend a minimum of twelve (12) inches (thirty and
forty-eight hundredths (30.48) centimeters) beyond the inside face of a railing
complying with subsection (f).
(9)
A curb or barrier shall be provided that prevents the passage of a four (4)
inch (ten and sixteen-hundredths (10.16) centimeters) diameter sphere below a
height of four (4) inches (ten and sixteen-hundredths (10.16)
centimeters).
(10) Outdoor ramps
and approaches to ramps shall be designed so that water will not accumulate on
walking surfaces.
(e) Curb ramps shall comply with the following:
(1) Slopes of curb ramps shall comply with
this section.
(2) Counter slopes of
adjoining gutters and road surfaces immediately adjacent to the curb ramp or
accessible route shall not be greater than 1:20. Transitions from ramps to
walks, gutters, or streets shall be at the same level.
(3) Where pedestrians must walk across a curb
ramp, the ramp shall have flared sides. The slope of flares shall not be
greater than 1:10. Where the width of the walking surface at the top of the
ramp and parallel to the run of the ramp is less than forty-eight (48) inches
(one hundred twenty-one and ninety-two hundredths (121.92) centimeters), the
flared sides shall have a slope not greater than 1:12. Curb ramps with returned
curbs shall be permitted where pedestrians would not normally walk across the
ramp.
(4) Curb ramps shall be
thirty-six (36) inches (ninety-one and forty-four hundredths (91.44)
centimeters) wide minimum, exclusive of flared sides.
(5) Floor or ground surfaces of curb ramps
shall comply with section 13 of this rule.
(f) Handrails shall be provided on both sides of ramps and shall comply with the following:
(1) Handrails shall be continuous within the
full length of each ramp run. Inside handrails on swithchback or dogleg ramps
shall be continuous between runs. Other handrails shall comply with subdivision
(9).
(2) The top of gripping
surfaces of handrails shall be thirty-four (34) inches (eighty-six and
thirty-six hundredths (86.36) centimeters) minimum and thirty-eight (38) inches
(ninety-six and fifty-two hundredths (96.52) centimeters) maximum vertically
above ramp surfaces. Handrails shall be at a consistent height above ramp
surfaces.
(3) Clear space between
the handrail and wall shall be one and one-half (1½) inches (three
and eighty-one hundredths (3.81) centimeters) minimum.
(4) Gripping surfaces shall be continuous
without interruption by newel posts, other construction elements, or
obstructions. An exception is that handrail brackets or balusters attached to
the bottom surface of the handrail shall not be considered obstructions
provided they comply with the following criteria:
(A) Not more than twenty percent (20%) of the
handrail length is obstructed.
(B)
Horizontal projections beyond the sides of the handrail occur two and one-half
(2½) inches (six and thirty-five hundredths (6.35) centimeters)
minimum below the bottom of the handrail.
(C) Edges have a one-eighth (c ) inch (three
and eighteen-hundredths (3.18) millimeters) minimum radius.
(5) Handrails shall:
(A) have a circular cross section with an
outside diameter of one and one-fourth (1¼) inches (thirty-one and
seventy-five hundredths (31.75) millimeters) minimum and two (2) inches (fifty
and eight-tenths (50.8) millimeters) maximum; or
(B) provide equivalent graspability complying
with subdivision (4).
(6)
Handrails with other shapes shall be permitted provided:
(A) they have a perimeter dimension of four
(4) inches (ten and sixteen-hundredths (10.16) centimeters) minimum and six and
one-fourth (6¼) inches (fifteen and eight hundred seventy-five
thousandths (15.875) centimeters) maximum; and
(B) their largest cross section dimension is
two and one-fourth (2¼) inches (five and seven hundred
fifteen-thousandths (5.715) centimeters) maximum.
(7) Handrails, and any wall or other surfaces
adjacent to them, shall be free of any sharp or abrasive elements. Edges shall
have a one-eighth (1/8) inch (three and eighteen-hundredths (3.18) millimeters)
minimum radius.
(8) Handrails shall
not rotate within their fittings.
(9) Ramp handrails shall extend horizontally
twelve (12) inches (thirty and forty-eight hundredths (30.48) centimeters)
minimum beyond the top and bottom of ramp runs. Such extension shall return to
a wall, a guard, or the walking surface or shall be continuous to the handrail
of an adjacent ramp run. An exception is continuous handrails at the inside
turn of ramps.
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