Yard Grading For Drainage

On the other end of the spectrum the maximum slope should be 12 inches for every 4 feet or about 25 percent to prevent erosion.

Yard grading for drainage.

To create the drain you ll have to dig a gradually sloping trench from the source to the outlet. In most cases home owners regrade the yard in order to get the lawn to slope away from the house so that it doesn t pool next to the foundation and potentially cause flooding and water problems in the future. Homeadvisor is the simplest way to find and book yard grading and leveling services near you. Read millions of reviews and get information about project costs.

David says the typical grading job takes a few days and costs around 2 500 including materials such as topsoil and sod but cautions that this number can vary greatly depending on the specific job. If you had a discharge outlet 100 ft. If water stands in your yard for hours or even days after a moderate rain you have poor drainage which can be caused by heavy compacted soils or improper grading. Installing an underground drainage structure such as a french drain or rain garden can divert water to proper locations keeping your basement and foundation dry.

From the inlet it would have to be about 1 ft. The underground drainage pipe should slope downhill at least 1 8 in. During the fall winter and even spring months when you may be getting quite a bit of rain all that excess water needs to drain off of your yard and into some type of drainage or towards your street s gutters. The reason you need to grade your yard is for proper drainage.

Schott says his grading jobs start at 500 for minor work and can go up to several thousand dollars for major jobs. Proper grading will eliminate wet accumulation in your basement. The reason for grading your yard is to move the water runoff from where it s currently traveling to a different location. Often we have found drainage from a neighbors yard inadvertently directed onto adjacent property causes drainage issues.

The consensus seems to be that a good slope to aim for when grading land extending out from a house foundation is about 6 inches for the first 10 feet that translates to a slope of 5 percent. Here landscaping professionals share their advice for solving common drainage and grading issuesin and around the lawn.