Where it is difficult to use gentlysloped walkways to negotiate changes in level, properly designed ramps may provide access for people using wheelchairs, strollers, walkers, or other mobility aids.
The Standard provides organizations with minimum design requirements for ramps on recreational trails.
It should be noted that this requirement does not mandate that recreational trails must include ramps.
The requirements of this Section apply to ramps located on newly constructed or redeveloped recreational trails that an organization intends to maintain.
Requirements for the Design of Ramps in Recreational Trails
- Clear width
- Minimum 900 mm.
- Clear height
- Minimum of 2,100 mm head room clearance above the ramp.
- Firm and stable.
- Running slope
- No steeper than 1:10 (10%).
- At the top and bottom of the ramp
- At abrupt changes in the direction of the ramp, and
- At horizontal intervals not greater than 9 metres apart.
- Minimum 1,670 mm x 1,670 mm at top, bottom and at abrupt changes in direction.
- Minimum 1,670 mm in length and at least the same width of the ramp for landings located along a straight ramp.
- Cross slope: Maximum 1:50 (2%).
- Surface openings
- Openings on the ramp or its landings must not allow the passage of an object more than 20 mm in diameter.
- Are continuously graspable along the entire length.
- Have cross-section with an outside diameter of between 30 mm and 40 mm if they are circular. Non-circular shapes must have a graspable portion with a perimeter between 100 mm and 155 mm and a diameter not more than 57 mm.
- Are between 865 mm and 965 mm high, measured vertically from the surface of the ramp and its landings.
- Terminate in a way that will not obstruct pedestrian travel or create a hazard.
- Extend horizontally 300 mm, at minimum, beyond the top and bottom of the ramp.
- Have a clearance of 50 mm, at minimum, from any wall to which they are attached.
Provide intermediate handrails where a ramp is wider than 2,200 mm. These handrails must be continuous between landings, located so that there is no more than 1,650 mm between handrails and meet the requirements for handrails listed above.
- Walls or guards
- Provide a wall or guard on both sides of a ramp.
Where there is a guard:
- The top of the guard must not be less than 1,070 mm above the ramp surface (measured vertically)
- No element, attachment or opening located between 140 mm and 900 mm above the ramp surface will facilitate climbing.
- Edge Protection
- Provide edge protection where there is no solid enclosure or solid guard. Protection may be a:
- Curb: Minimum 50 mm high, or
- Railings or other barriers: extending to within 50 mm of the finished ramp surface.