“Grade” refers to the level of the land or your property. “Above grade” and “below grade” are terms commonly used in construction or landscaping and describe whether the item being described is above the ground or in/below the ground.

We require lids to be “at grade,” meaning level to the ground around it and not located under sod, dirt, gravel, or mulch. By being located at grade or slightly above, this will prevent foreign debris or insects that may clog your system from entering through the lids.

Placed Correctly At Grade

Placed Correctly At Grade

Placed Correctly At Grade

Placed Below Grade

Placed Below Grade

Placed Below Grade