Federal Transit Administration November 4, 2015 Subject: americans with disabilities act (ada): guidance


Stairs (DOT Standards 210.1, 504, 302.1, 505)



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10 Stairs (DOT Standards 210.1, 504, 302.1, 505)

In alterations, stairs between levels where an accessible route already exists are required to comply only with handrail requirements. (210.1 Exception 2)



Note OK, No, or N/A. Note dimensions if No

1

2

3

4

Risers

Risers heights are uniform (504.2)













Risers are 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum (504.2)













No open risers (504.3)













Treads

Treads have uniform depths (504.2)













Treads are 11 inches (280 mm) deep minimum (504.2)













Surface stable, firm, and slip resistant and slope is ≤ 1:48 (2.1%) (504.4)













Nosings

Radius of curvature at the leading edge of the tread ½” (13 mm) maximum (504.5)













Nosings that project beyond risers the underside of the leading edge curved or beveled (504.5)













Risers slope under the tread up to an angle of 30 degrees maximum from vertical (504.5)













Permitted projection of the nosing extends 1½ (38 mm) maximum over the tread below (504.5)













Handrails

Handrails provided on both sides of stairs (505.2)













Handrail continuous (505.3)













Outside rail continuous for length of each stair flight













Inside rail continuous between flights













At top, handrails extend ≥ 12” horizontally beyond first riser nosing (505.10.2)













At bottom, handrails extend at slope of stair flight for a horizontal distance of at least one tread depth beyond last riser nosing. (505.10.3)













End of handrail returned to wall, guard, or floor (505.10.1)













Tops of handrails ≥ 34” to ≤ 38” above stair nosing at consistent height (505.4)













Clearance ≥ 1 ½” between gripping surface and adjoining surface (505.5)













Circular handrail diameter ≥ 1 ¼” and ≤ 2” (505.7.1)













Non-circular handrail perimeter dimension ≥ 4” and ≤ 6 ¼” and diameter ≤ 2 ¼” (505.7.2)













Wet Conditions

Stair treads and landings subject to wet conditions designed to prevent the accumulation of water (504.7)














11 Elevators (DOT Standard 206.6, 407)

A passenger elevator complying with the Standards is required to serve each story or mezzanine in all multi-story facilities not served by a ramp or other accessible route (206.2.3). Label elevators by location (use sketch if available).

Elevator 1: Elevator 3:

Elevator 2: Elevator 4:



Note OK, No, or N/A. Note dimensions if No

Elevator

1

2

3

4

Location (206.3)













Elevator located on an accessible route that coincides or is located in the same area as general circulation paths? (206.3)













Hoistway Signage (407.2.3)













Raised and Braille floor designations on both jambs (407.2.3.1)













Mounting height ≥ 48” from ground to base of lowest tactile character and ≤ 60” to base of highest tactile character (703.4.1)













At main entry level, tactile star on both jambs (407.2.3.1)













Characters













Uppercase sans serif font (703.2.2) (703.2.3)













Characters ≥ 2” high (407.2.3.1)













Characters raised 1/32” (703.2.1)













Accompanied by Grade 2 Braille (703.2)













Hall Call Buttons (All Levels) (407.2.1)













Clear floor area at call buttons ≥ 48” deep by ≥ 60” wide by ≥ 80” high (407.2.1.3) (305)













Up button above the down button (407.2.1.4)













Visible signals light up when call registered and extinguish when call answered (407.2.1.5)
Exception: existing elevators not required to comply with 407.2.1.5













Centerline of lowest call button ≥ 15” above the floor (407.2.1.1) (308)













Centerline of highest call button ≤ 48” above the floor (407.2.1.1) (308)













Button ≥ 3/4” in smallest dimension (407.2.1.2)
Exception: in existing elevators, buttons not required to comply with 407.2.1.2













Buttons raised or flush (407.2.1)
Exception: existing elevators may have recessed buttons













Hall Signals (All Levels) (407.2.2)













Visible and audible signal at each hoistway entrance (407.2.2.1)













Signal visible from area adjacent to the hall call button (407.2.2.1)













Hall lantern fixtures > 72” above the floor at centerline (407.2.2.2)













Visible signal ≥ 2 ½” high measured at centerline of signal (407.2.2.2)













Audible signal one for “up” and two for “down” or verbal annunciators (407.2.2.3)













Door Operations













Time from notification that car is answering a call until doors begin to close ≥ 5 seconds (407.3.4)













Door remains fully open ≥ 3 seconds (407.3.5)













Horizontal gap between car and hall floors ≤ 1 ¼” at all levels (407.4.3)













Vertical gap between car and hall floors ≤ ½” at all levels (407.4.4)













Reopening devices effective at heights of 5” and 29” above floor (407.3.3.1)













Reopening devices do not require physical contact to be activated (407.3.3.2)













Door reopening devices to remain effective for 20 seconds minimum (407.3.3.3)













Car Controls (407.4.6)













Emergency control buttons grouped at bottom of panel (407.4.6.4.2)













Lowest button centerline ≥ 35” from floor (407.4.6.4.1)













If > 16 buttons, highest button centerline ≤ 54” from floor (407.4.6.1)













If ≤ 16 buttons, highest button centerline ≤ 48” from floor (407.4.6.1) (308.2)













Control buttons ≥ 3/4” in smallest dimension (407.4.6.2.1)













Control buttons raised or flush (407.4.6.2)
Exception: existing elevators may have recessed buttons













Raised character and braille designations immediately to the left of all buttons (407.4.7.1.2)













Raised Characters (703.2) - Car Controls













Uppercase sans serif font (703.2.2) (703.2.3)













Characters raised ≥ 1/32” (703.2.1)













Characters ≥ 5/8” to ≤ 2” high (703.2.5)













≥ 3/8” separation from borders and decorative elements (703.2.7)













Tactile symbols identify main floor, emergency stop, alarm, door open and close, and phone (407.4.7.1.3)













Floor buttons have visual signals that light when call is registered and extinguish when call answered (407.4.7.1.4)













Car Position Indicators (407.4.8)













Audible car position indicator provided













Visual car position indicator provided above car control panel or door













Visual indicator over door or over control panel, (407.4.8.1.2)













Floor number on indicators ≥ ½” high (407.4.8.1.1)













Visual and audible signal as car passes/stops at floor (407.4.8.1.3)













Elevator Car Requirements

Floor covering stable, firm, slip resistant, and no vertical changes (407.4.2) (302) (303)













Illumination ≥ 5 foot-candles (54 lux) (407.4.5)













Inside dimensions of elevator cars and clear width of elevator doors comply with Table 407.4.1 (below)
Exception: Existing elevator car configurations that provide a clear floor area of 16 square feet (1.5 square meters) minimum and also provide an inside clear depth of 54” (1,370 mm) minimum and a clear width of 36” (915 mm) minimum are permitted

Width of elevator door complies with Table 407.4.1

Emergency Communication













Identified by tactile symbol and characters adjacent to device (407.4.9) and comply with 7.03.2 (see above)













Highest operable part ≤ 48” above floor (407.4.9, 308)













Lowest operable part ≥ 15” above floor (407.4.9, 308)














Elevator Car and Door Dimensions




Minimum Dimensions

Door
Location

Door Clear Width

Inside Car,
Side to Side

Inside Car, Back Wall to
Front Return

Inside Car, Back Wall to
Inside Face of Door

Centered

42 inches
(1065 mm)

80 inches
(2030 mm)

51 inches (1.295 mm)

54 inches (1.370 mm)

Side (off-
centered)

36 inches
(915 mm)1

68 inches
(1725 mm)

51 inches (1.295 mm)

54 inches (1.370 mm)

Any

36 inches
(915 mm)1

54 inches
(1370 mm)

80 inches (2.030 mm)

80 inches (2.030 mm)

Any

36 inches
(915 mm)1

60 inches
(1525 mm)2

60 inches (1.525 mm)2

60 inches (1.525 mm)2

1. A tolerance of minus 5/8” (16 mm) is permitted
2. Other car configurations that provide a turning space complying with Section 304 with door closed shall be permitted

Table 407.4.1


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