For a well drained area, which slope option is considered acceptable for a brick walkway?

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Prepare for the CR-21 Landscapes and Irrigation Test. Utilize flashcards and multiple-choice questions featuring hints and explanations. Get exam-ready!

Multiple Choice

For a well drained area, which slope option is considered acceptable for a brick walkway?

Explanation:
When a brick walkway is laid, you want a gentle slope to let water drain off the surface instead of pooling. For a well-drained area, the best range is about 1/8 inch to 1/4 inch of drop per foot of run. That creates roughly a 1–2% grade, which is enough to shed water toward a drain or edge without making the surface feel steep or causing bricks to move or crack from a harsh incline. Slopes much steeper than this (like 3/8 to 1/2 inch per foot or more) can make the surface feel uneven and increase runoff problems, while shallower slopes (less than 1/8 inch per foot) may not drain effectively and allow standing water to form.

When a brick walkway is laid, you want a gentle slope to let water drain off the surface instead of pooling. For a well-drained area, the best range is about 1/8 inch to 1/4 inch of drop per foot of run. That creates roughly a 1–2% grade, which is enough to shed water toward a drain or edge without making the surface feel steep or causing bricks to move or crack from a harsh incline. Slopes much steeper than this (like 3/8 to 1/2 inch per foot or more) can make the surface feel uneven and increase runoff problems, while shallower slopes (less than 1/8 inch per foot) may not drain effectively and allow standing water to form.

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