A path whose surface width is less than 1 800 mm (see B-2.2.2.1) and whose overall length is more than 50 m, shall be provided with a passing place or places. Passing places should be a maximum of 25 m apart. This does not apply to a landing forming part of a sloped path, a ramp, steps or a stair.
Passing place for two people using wheelchairs shall be a minimum width of 1 800 mm for a minimum length of 2 000 mm (see examples in Fig. 27).
NOTE — Passage widening can be associated with intersections, turns and doorways so as to appear as integrated design features or enhancements.
B-2.2.2.3 For wheelchair manoeuvrability at turnings, minimum turning radius shall be required in accordance with B-5.2.3 and B-5.2.4.
B-2.2.3 Stepped Path and Stair
For ambulant people, a stepped path can provide a safer and more assuring means of access than a sloped path or a ramp. Wherever the rise of a ramp exceeds 300 mm, an additional flight of steps shall also be provided. An isolated single step is not acceptable. Where required on a continuous accessible path of travel, tactile warning indicators shall be located at both the top and bottom of stairways. The surface width of a stepped path and stair shall be not less than 1 200 mm and it shall meet the other requirements of B-6.3.