Page 283 - Dubai Universal Design Code

Level changes

Facility/Building…………………………….
Sheet Number ………
Space/Floor …………………….…………..

YES N/A
NON Observations

Ramps

Corridors in landings with no less than
1200 mm width

Doors at ≥ 1500 mm from start of each
ramp run
Stairs

With an alternative elevator

Steps rises between 150 - 176 mm

Steps stair treads between 300 - 340
mm

Steps rise (R) and Treat (T) fulfil:

650 mm < 2R + T < 700 mm

No open risers or discontinued treads

Steps with nosing ≤ 25 mm

30 mm from the step edge shall
present a reflectance contrast of 30
LRV

Steps with same height with a ± 4 mm
tolerance

Stair flights steps number between 3
and 12

Usable width ≥ 1200 mm

Illumination at top and bottom ≥ 200lux

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