| Table 2.4 Comparison of Accessibility Standards across Four Countries. |
| Measurement Dimension |
Country & Standards Document |
| |
Australia |
Canada* |
U.K. |
USA |
| |
AS 1428.2 (mm) |
B651‒04 (mm) |
BS8300:2001 (mm) |
ICC/ANSI A117.1 (mm & in.) |
| Wheelchair Dimensions |
|
|
|
|
| Unoccupied Device Width |
- |
660 |
- |
660 (26) |
| Unoccupied Device Length |
- |
- |
- |
1065 (42) |
| Seat Height, maximum |
480 |
480 |
- |
485 (19) |
| Clear Floor Space |
|
|
|
|
| Width, minimum |
800 |
750 |
900 |
760 (30) |
| Length, minimum |
1300 |
1200 |
1350 |
1220 (48) |
| Knee and Toe Clearances |
|
|
|
|
| Knee Clearance Height, minimum |
640‒650 |
680 |
700 |
685 (27) |
| Toe Clearance Height, minimum |
280 |
230 |
300 |
230 (9) |
| Knee Clearance Depth, minimum |
230 |
200 |
260 |
280 (11) |
| Toe Clearance Depth, maximum |
190 |
230 |
- |
150 (6) |
| Reach Ranges |
|
|
|
|
| Forward Reach - Unobstructed |
250‒1220 |
380‒1220 |
- |
380 (15) −1220 (48) |
| Side Reach – Unobstructed |
230‒1350 |
230‒1400 |
630‒1170 |
380 (15) −1370 (54) |
| Side Reach – between 255‒610 obstruction depth |
- |
- |
- |
Max. 1170 (46) |
| Maneuvering Spaces (minimum) |
|
|
|
|
| 90-Degree Turn |
- |
920 |
- |
915 (36) |
| 180-Degree Turn |
1540x2070 |
1500 |
1500 |
1525 (60) |
| 180-Degree Turn around Barrier |
- |
- |
- |
1065 (42) |
| 360-Degree Turn |
1540x2070 |
1500 |
1500 |
1525 (60) |
| Hand Force for Operating Controls, maximum |
- |
- |
- |
5 lb-f. |
