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More About Soil
Proper attention to grading for surface drainage and conserving or developing topsoil will lead to easier care of your lawn in the years to come. Push aside existing topsoil when construction or excessive grade changes are required. Topsoil will be evenly spread over the site once the rough grading is completed.
The area should be rough graded with gentle slopes to adequately drain or divert surface water without erosion. Slopes with a 1-foot drop in 50 feet should be adequate, but should not exceed a 1-foot drop in 15 feet. The finished grade should slope away from the foundation. On sites where topsoil is added over subsoil, be sure that the finished grade is at least 3 inches below the top of the foundation of basement homes. Surface runoff can cause basement flooding if water runs over the basement foundation. Remove all debris such as large stones, tree roots and discarded construction materials that will interfere with turfgrass root growth and water movement through the soil.
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