The Building Code in Lineton, Virginia, Requires That the Slope of a Stairway Cannot Be
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1. Pairs of lines related to slope.
The building code in Lineton, Virginia, requires that the slope of a stairway cannot be steeper than .85. The stairs in Bob Brown’s home measure 12 inches deep and 8 inches high. Do the stairs in his home meet the code requirements? How does slope relate to this problem? 12 8 12 8 12
8 12 8
2. A ramp for use by disabled persons using wheelchairs should have at least a 12-inch run for each rise of 1 inch, with a maximum rise of 30 inches. A local clinic needs to design a ramp 45 feet long. Determine the appropriate slope of the ramp in order to conform to the standards.
3. The maximum road grade recommended by the Federal Highway Commission is 12%. This means tht the slope of a road should be no more than 12/100 or 0.12. At the maximum grade, a road would change 12 feet vertically for every 100 feet horizontally. a. How many horizontal feet will it take for a road with the maximum grade to drop 240 feet? b. If the maximum grade for railroad tracks is 2%, how many more miles will it take a train to climb 500 feet than it will take a car on a road that has the maximum grade?