Daryl Wayne Wurster

6604891, Aug 12, 2003

Oct 18, 2002

10/274164

Daryl Wurster - Greenville SC, 29615

E02D 2902

405284, 405262, 405285, 405286, 521695

A drainage unit for an earth retaining wall system to provide water drainage from a vertical drainage sheet through the retaining wall to reduce hydrostatic pressure on the retaining wall. The drainage unit comprises a drainage collector for attaching to a sheet drain to collect and discharge water that flows into the sheet drain. A drain hub is included in the drainage collector for being mounted in fluid communication with the sheet drain to receive and channel water for discharge. A discharge extension is included in the drainage collector that extends from the drain hub for discharging water through the retaining wall. A retainer is provided for engaging the discharge extension after passing through the sheet drain and securing the drain hub and discharge extension in position on the sheet drain.