Portfolio - Downspouts and Drain Tile Trenching Downspouts & Drain Tile | Trenching Water Supply | Retaining Wall Decreative | Retaining Wall Block Click on any picture for an enlarged version Backyard before trenching Beginning of Trenching downspout lines Downspout drain trench Multiple 4" diameter drain tiles in individual trenches Multiple 4" diameter drain tiles in individual trenches Trench cross overs Drain Tile being installed into Trench Downspout tied into drain tile within trench Curved radius of 4" drain tile Drain tile "T" connection covered in watertight tape to stop sand contamination within tile Larger picture of "T" connection Utility Trench Multiple trunk lines trenches connecting to main drain tile Different view of trunk lines Trench cross over Water supply lines were also run within the trench for a remote outoor spigot Utilities being laid into trench Hand dug drain trench around existing A/C unit