What is the slope range for accessible ramps?
2 Answers
Accessible ramp designs generally should not exceed a slope of 1:12, with a maximum vertical rise of 750mm and maximum horizontal length of 9000mm per segment. Below are the design specifications for accessible ramps: 1. Straight ramp: Minimum width of 1200mm, maximum slope of 1:12; 2. Switchback double ramp: Width of 1200mm, slope of 1:12, with 1500mm depth at both start/end points and resting platforms; 3. L-shaped ramp: Width of 1200mm, slope less than 1:12, with 1500mm depth at both start/end points and resting platforms.
The slope range for accessible ramps, as I've noticed while helping neighbors inspect facilities in the community, has a standard maximum of 1:12, meaning a one-inch rise for every foot of length. This gradient is very wheelchair-friendly, not too steep, preventing users from exerting too much effort or risking a fall when pushing up. If the slope exceeds this range, say 1:10, it could pose safety hazards, especially in wet conditions where slipping is more likely. I also recommend checking if the surface is slip-resistant and whether handrails are installed for added safety. Remember, public facilities require regular maintenance to stay clean and free of moss or ice that could make the ramp dangerous. In summary, adhering to this standard helps more people move independently.
