406.1 General. Curb ramps on accessible routes shall comply with 406 and with 405.2, 405.4, 405.5 and 405.10.

　

406.2 Counter Slope. Counter slopes of adjoining gutters and road surfaces immediately adjacent to the curb ramp shall not be steeper than 1:20. The adjacent surfaces at transitions at curb ramps to walks, gutters and streets shall be at the same level.

　

406.3 Sides of Curb Ramps. Curb ramps located where pedestrians must walk across the ramp shall have flared sides. Slope of the flares shall not be steeper 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 48 inches (1220 mm) wide, the flared sides shall have a slope not steeper than 1:12, Curb ramps with returned curbs shall be permitted where pedestrians would not normally walk across the ramp.

　

406.4 Handrails. Handrails are not required on curb ramps.

　

406.5 Location at Marked Crossings. Curb ramps at marked crossings shall be wholly contained within the markings, excluding any flared sides.

　

406.6 Diagonal Curb Ramps. Diagonal or corner type curb ramps with returned curbs or other well-defined edges shall have the edges parallel to the direction of pedestrian flow. The bottom of diagonal curb ramps shall have 48 inches (1220 mm) minimum of clear space. Diagonal curb ramps provided at marked crossings shall provide the 48 inches (1220 mm) minimum clear space within the markings. Diagonal curb ramps with flared sides shall have a segment of straight curb 24 inches (610 mm) long minimum located on each side of the curb ramp and within the marked crossing.

　

406.7 Islands. Raised islands in crossings shall be cut through level with the street or have curb ramps at both sides and shall have a level area at least 48 inches (1220 mm) long minimum by 36 inches (915 mm) wide minimum in the part of the island intersected by the crossings.

　

　

407.1 General. New elevators required to be accessible shall comply with 407.2. New destination-oriented elevators required to be accessible shall comply with 407.3. New limited use/limited application elevators required to be accessible shall comply with 407.4. Altered elements of existing elevators shall comply with 407.5.

　

407.2 New Elevators. New accessible elevators shall comply with 407.2.1 through 407.2.13 and with ASME/ANSI Al7.1. They shall be passenger elevators as classified by ASME/ANSI A17.1.

　

407.2.1 Automatic Operation. Elevator operation shall be automatic. Each car shall be equipped with a self-leveling feature that will automatically bring and maintain the car at floor landings within a tolerance of 1/2 inch (13 mm) under rated loading to zero loading conditions.

　

407.2.2 Call Buttons. Call buttons in elevator lobbies and halls shall be located vertically between 35 inches (890 mm) and 48 inches (1220 mm) above the floor, measured to the centerline of the button. A clear floor space complying with 305 shall be provided. Such call buttons shall have visible signals to indicate when each call is registered and when each call is answered. Call buttons shall be 3/4 inch (19 mm) minimum in the smallest dimension. The button that designates the up direction shall be located above the button that designates the down direction. Buttons shall be raised or flush. Objects located beneath hall call buttons shall protrude 4 inches (100 mm) maximum into the clear floor space.

　

407.2.3 Hall Signals. A visible and audible signal shall be provided at each hoistway entrance to indicate which car is answering a call and the direction of travel. Alternatively, in-car signals shall be located in cars, visible from the floor area adjacent to the hail call buttons, and shall comply the requirements of this section.

　

407.2.3.1 Audible Signals. Audible signals shall sound once for the up direction and twice for the down direction, or shall have verbal annunciators that state the word "up" or "down." Audible signals or verbal annunciators shall have a frequency of 1500 Hz maximum. The audible signal or verbal annunciator shall be 20 dBA minimum and 80 dBA maximum, measured at the annunciator.

　

407.2.3.2 Visible Signals. Visible signals shall comply with 407.2.3.2.1 through 407.2.3.2.3.

　

407.2.3.2.1 Height. Hall signal fixtures shall be centered at 72 inches (1830 mm) minimum above the floor or ground.

　

407.2.3.2.2 Size. The visible signal elements shall be 2-1/2 inches (64 mm) minimum in the smallest dimension.

　

407.2.3.2.3 Visibility. Signals shall be visible from the floor area adjacent to the hall call button.

　

407.2.4 Tactile Signs on Hoistway Entrances. Tactile character and Braille floor designations shall be provided on both jambs of elevator hoistway entrances and shall be 60 inches (1525 mm) above the floor, measured from the baseline of the characters. A tactile star shall also be provided on both jambs at the main entry level. Such characters shall be 2 inches (51 mm) high and shall comply with 703.2.

　

407.2.5 Doors. Elevator doors shall be the horizontal type. Elevator hoistway and car doors shall open and close automatically. Elevator doors shall be provided with a reopening device that shall stop and reopen a car door and hoistway door automatically if the door becomes obstructed by an object or person. The device shall be activated by sensing an obstruction passing through the opening at 5 inches (125 mm) and 29 inches (735 mm) above the floor. The device shall not require physical contact to be activated, although contact may occur before the door reverses. Door reopening devices shall remain effective for 20 seconds minimum.

　

407.2.6 Door and Signal Timing for Hall Calls. The minimum acceptable time from notification that a car is answering a call or designation of which car is assigned to a lobby destination floor entry until the doors of that car start to close shall be calculated from the following equation:

　

T = D/(1.5 ft/s) or T = D/(455 mm/s) = 5 seconds minimum

　

where T equals the total time in seconds and D equals the distance (in feet or millimeters) from the point in the lobby or corridor 60 inches (1525 mm) directly in front of the farthest call button controlling that car to the centerline of its hoistway door. For cars with in-car lanterns, T begins when the signal is visible from the point 60 inches (1525 mm) directly in front of the farthest hall call button and the audible signal is sounded.

　

407.2.7 Door Delay for Car Calls. Elevator doors shall remain fully open in response to a car call for 3 seconds minimum.

　

407.2.8 Inside Dimensions of Elevator Cars. Clear width of elevator doors and inside dimensions of elevator cars shall comply with Table 407.2.8.

　

　

407.2.9 Floor Surfaces. Floor surfaces in elevator cars shall comply with 302. The clearance between the car platform sill and the edge of any hoistway landing shall be 1-1/4 inch (32 mm) maximum.

　

407.2.10 Illumination Levels. The level of illumination at the car controls, platform, car threshold and car landing sill shall be 5 footcandles (54 lux) minimum.

　

407.2.11 Car Controls. Elevator controls shall comply with 407.2.11.1 through 407.2.11.4.

　

407.2.11.1 Buttons. Buttons shall be 3/4 inch (19 mm) minimum in their smallest dimension. Buttons shall be raised or flush. Buttons shall be arranged with numbers in ascending order. When two or more columns of buttons are provided they shall read from left to right. Keypads, where provided, shall be in a standard telephone keypad arrangement.

　

407.2.11.2 Designations and indicators for Control Buttons. Control buttons shall be identified by tactile characters complying with 703.2. Characters and Braille shall be placed immediately to the left of the button to which the designations apply. The control button for the main entry floor and control buttons, other than remaining buttons with floor designations, shall be identified with tactile symbols as shown in Table 407.2.11.2. Buttons with floor designations shall be provided with visible indicators to show that a call has been registered. The visible indication shall extinguish when the car arrives at the designated floor. Where provided, telephone-style keypad buttons shall be identified by tactile characters complying with 703.2 except that Braille is not required. Characters shall be centered on the corresponding keypad button.

　

　

407.2.11.3 Height. Buttons with floor designations shall be located 48 inches (1220 mm) maximum above the floor. Emergency controls, including the emergency alarm, shall be grouped at the bottom of the panel. Emergency control buttons shall have their centerlines 35 inches (890 mm) minimum above the floor.

　

407.2.11.4 Location. Controls shall be located to accommodate a forward reach or side reach as specified in 308.

　

407.2.12 Car Position Indicators. In elevator cars, audible and visible car location indicators shall be provided.

　

407.2.12.1 Visible Indicators. Indicator shall be located above the car control panel or above the door. Numerals shall be 1/2 inch (13 mm) high minimum. As the car passes a floor and when a car stops at a floor served by the elevator, the corresponding character shall illuminate.

　

407.2.12.2 Audible indicators. The audible signal shall be 20 dBA minimum and 80 dBA maximum, measured at the annunciator, and shall have a frequency of 1500 Hz maximum. The signal shall be an automatic verbal announcement which announces the floor at which the car has stopped except an audible signal which sounds as the car passes or stops at a floor served by the elevator shall be acceptable for elevators with a rated speed of 200 feet per minute (1.02 m/s) or less.

　

407.2.13 Emergency Communications. Emergency two-way communication systems between the elevator car and a point outside the hoistway shall comply with ASME/ANSI A17.1. The highest operable part of a two-way communication system shall be 48 inches (1220 mm) maximum above the floor. The device shall be identified by tactile characters complying with 703.2 located adjacent to the device. If the system uses a handset, the cord from the panel to the handset shall be at least 29 inches (735 mm) minimum. The car emergency signaling device shall not be limited to voice communication. If instructions for use are provided, essential information shall be presented in both tactile and visual form.

　

407.3 New Destination-Oriented Elevators. New accessible destination-oriented elevators shall comply with 407.2.1, 407.2.4 through 407.2.10, and 407.2.13. Such elevators shall also comply with 407.3.1 through 407.3.5 and ASME/ANSI A17.1. They shall be passenger elevators as classified by ASME/ANSI A17.1.

　

407.3.1 Call Buttons. Call buttons shall be located vertically between 35 inches (890 mm) and 48 inches (1220 mm) above the floor, measured to the centerline of the button. A clear floor space complying with 305 shall be provided. Call buttons shall be 3/4 inch (19 mm) minimum in the smallest dimension. Buttons shall be raised or flush. Objects located beneath hall call buttons shall protrude 4 inches (100 mm) maximum into the clear floor space. A keypad or other means for the entry of destination information shall be provided. Keypads, where provided, shall be in a standard telephone keypad arrangement. Visible and audible signals which indicate which elevator car to enter shall be provided.

　

407.3.2 Hall Signals. A visible and audible signal shall be provided to indicate a car destination corresponding with 407.3.1. The audible tone and verbal announcement shall be the same as those given at the call button or call button keypad. Each elevator in a bank shall have audible and visible means for differentiation.

　

407.3.2.1 Visible Signals. Visible signals shall comply with 407.3.2.1.1 through 407.3.2.1.3.

　

407.3.2.1.1 Height. Hall signal fixtures shall be centered at 72 inches (1830 mm) minimum above the floor or ground.

　

407.3.2.1.2 Size. The visible signal elements shall be 2-1/2 inches (64 mm) minimum in the smallest dimension.

　

407.3.2.1.3 Visibility. Signals shall be visible from the floor area adjacent to the hoistway entrance.

　

407.3.3 Car Controls. Emergency controls, including the emergency alarm, shall have their centerlines 35 inches (890 mm) minimum and 48 inches (1220 mm) maximum above the floor. Buttons shall be 3/4 inch (19 mm) minimum in their smallest dimension. Buttons shall be raised or flush. Controls shall be located to accommodate a forward reach or side reach as specified in 308.

　

407.3.4 Car Position indicators. in elevator cars, audible and visible car location indicators shall be provided.

　

407.3.4.1 Visible Indicators. Indicators shall be located above the car control panel or above the door. Numerals shall be 1/2 inch (13 mm) high minimum. A display shall be provided in the car with visible indicators to show car destinations. The visible indicators shall extinguish when the call has been answered.

　

407.3.4.2 Audible indicators. An automatic verbal announcement which announces the floor at which the car has stopped shall be provided. The announcement shall be 20 dBA minimum and 80 dBA maximum, measured at the annunciator.

　

407.3.5 Elevator Car Identification. In addition to the tactile signs required by 407.2.4. a tactile elevator car identification shall be placed immediately below the hoistway entrance floor designation. The characters shall be 2 inches (51 mm) high and shall comply with 703.2.