Slopes

Question 1

A 1 in 12 rise in slope is equivalent to what percentage?

Answer 1

8.33%

Question 2

A 1’ in 20’ rise in slope is equivalent to what percentage?

Answer 2

5%

Question 3

How do you obtain the percentage of a slope?

Answer 3

You take the height of the slope and divide it by the distance, then multiply it by 100 to get your percent.

Example:
Slope length - 12’
Slope height - 1’
1 / 12 = .08333 X 100 = 8.33%

Question 4

What constitutes as a good landing for a ramp?

Answer 4

There must be a landing at the top and bottom. These landings must be the same width as the ramp (handrail to handrail) and 60” long, with no slopes over 2%.

Question 5

What are the requirements for handrails on a sidewalk ramp?

Answer 5

• They must be between 34” and 38” in height.
• They must continue for 12” past the end of the ramp on both ends and follow the same direction as the ramp.
• The extensions will need to have some form of cane detection.

Question 6

What are the requirements for handrails in a hallway?

Answer 6

• They must be between 34” and 38” in height and have a 1-1/2” gap between the bar and the wall.
• They must continue for 12” past the end of the ramp and follow the same direction as the ramp.

Question 7

When does a ramp need a landing?

Answer 7

It needs a landing (60” X handrail width) at the top and bottom.

It also needs a landing every 30” in rise (if it’s a long ramp).

Question 8

A 1 in 48 rise in slope is equivalent to what percentage.

Answer 8

2%