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Final Grades


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What is a final grade? Like a rough grade, a final grade involves sloping the soil so that water can properly drain away from the building. Each city lot has a slope design. The slopes are engineered so that water flows away from the house, down the edges of the lot, and into the sewers.

A final grade is completed by covering the lot with between 8 and 20 inches of top soil. The deeper your top soil, the better your grass will grow. But if you put too much top soil, your lot elevation will not adhere to the city's plan, and your inspection will fail.

Drain pipes and window wells must be properly installed before the city can approve a final grade. The city carefully checks the top soil to make sure that it slopes smoothly.

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