One is to protect your landscape with a concrete retaining wall and ... This type of drain is made up of a gravel-filled trench with a perforated pipe at the bottom. The gravel in the trench ...

In doing so, concrete blocks were placed widthwise at intervals along the creek like vertebrae on a spine. They provided stability for the new stream bed, which was filled in with boulders and ...

It depends. Drain tile installation costs are mostly labor-based, with most going toward digging the trench and/or breaking ...