Drainage Slope

Lots shall be graded to drain surface water away from foundation walls. The grade shall fall not fewer than 6 inches (152mm) within the first 10 feet (3046mm). Source: 2021 IRC, R401.3.
Lots shall be graded to drain surface water away from foundation walls. The grade shall fall not fewer than 6 inches (152mm) within the first 10 feet (3046mm). Source: 2021 IRC, R401.3.

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