Hello. Please sign in!

Note: This document or portion of document references a state or local code that is stricter than the 2010 ADA Standards requires.

11B-407.4.1 Car dimensions.

Inside dimensions of elevator cars and clear width of elevator doors shall comply with Table 11B-407.4.1.

Exception: In existing buildings, where existing shaft configuration prohibits strict compliance with Section 11B-407.4.1, existing elevator car configurations that provide a clear floor area of 18 square feet (1.67 m2) minimum and also provide an inside clear depth 54 inches (1372 mm) minimum and a clear width 48 inches (1219 mm) minimum shall be permitted.

[2010 ADAS] EXCEPTION: Existing elevator car configurations that provide a clear floor area of 16 square feet (1.5 m2) minimum and also provide an inside clear depth 54 inches (1370 mm) minimum and a clear width 36 inches (915 mm) minimum shall be permitted.

ETA Editor's Note

The CBC Exception at 11B-407.4.1 is more stringent than that of 2010 ADAS regarding minimum car dimensions for existing elevators.

 TABLE 11B-407.4.1 ELEVATOR CAR 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 (1067 mm)

80 inches (2032 mm)

51 inches (1295 mm)

54 inches (1372 mm)

Side

(off-centered)

36 inches (914 mm)1

68 inches (1727 mm)

51 inches (1295 mm)

54 inches (1372 mm)

Any

36 inches (914 mm)1

54 inches (1372 mm)

80 inches (2032 mm)

80 inches (2032 mm)

Any

36 inches (914 mm)2

60 inches (1524 mm)2

60 inches (1524 mm)2

60 inches (1524 mm)2

1. A tolerance of minus 5/8 inch (15.9 mm) is permitted.

2. Other car configurations that provide a turning space complying with Section 11B-304 with the door closed shall be permitted.

Figure (a) shows an elevator car with a centered door. The door clear width is 42 inches minimum and the car width measured side to side is 80 inches minimum. The car depth is 51 inches minimum measured from the back wall to the front return, and 54 inches minimum measured from the back wall to the inside face of the door.

(a)
centered door

Figure (b) shows an elevator car with an off-centered door. The door clear width is 36 inches minimum and the car width measured side to side is 68 inches minimum.  The depth is 51 inches minimum measured from the back wall to the front return, and 54 inches minimum measured from the back wall to the inside face of the door.

(b)
side (off-centered) door

Figure (c) shows a car with a clear door width of 36 inches minimum and the car width measured side to side is 54 inches minimum.  The car depth is 80 inches minimum measured from the back wall to the front return.

(c)
any door location

Figure (d) shows a car with a clear door width of 36 inches minimum and the car width measured side to side is 60 inches minimum. The car depth is 60 inches minimum measured from the back wall to the front return.

(d)
any door location

Figure (e) illustrates the exception for an existing elevator car configuration. The car depth is 54 inches minimum, the width is 39 inches minimum, and the clear floor area is 16 square feet minimum.

(e)
Exception existing elevator car configuration

FIGURE 11B-407.4.1 ‡‡
ELEVATOR CAR DIMENSIONS

[MORE INFO...]

*You must sign in to view [MORE INFO...]