Berm means a bank of earth piled against a wall.
Compaction means the increase in soil bulk density.
Shrub means and refer to a woody plant, smaller than a tree, consisting of several small stems from the ground or small branches near the ground.
Porch means a covered surface supported on pillars or otherwise for the purpose of a pedestrian or vehicular approach to a building.
Backflow means the backflow of water or other liquids, mixtures, or substances into the distribution pipes of a potable water system from any source other than the intended source of the potable water supply.