| The best way to
explain a 1 inch per foot slope would be to examine the picture above.
The brown polygon or four sided object is 12 inches wide. At one end we
have 6 inches and on the other end we have 7 inches.
For every 12 inches of horizontal distance (right to left), it will drop
1 inch in vertical distance (up and down).
Example: If I had a 10 foot sidewalk with a 1:12 slope, it would drop 10
inches in 10 feet. If I had a 15 foot driveway, it would slope 15 inches
to maintain the same slope.
Slopes like these provide good drainage during rainstorms and prevent
water from ponding up and becoming a problem.
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Sloping Public Walkways
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