Grading (earthworks)

Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage. The earthworks created for such a purpose are often called the sub-grade or finished contouring (see diagram).

This article is about earthwork. For lumber grading, see Lumber ยง Grades and standards. For the photography term, see Color grading.
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