Landscape · L-MY5RW

Trench Drain at Planter

Materials

Elements

Walls Roofs Floors / Slabs Arches Expansion / Control Joints Waterproofing / Flashing Drainage Site / Paving Reinforcing

Connections

Expansion / Slip Connection

About this detail

A four-inch wide trench drain is positioned along the edge of a raised planter wall at a courtyard boundary. The assembly features a four-inch thick cast-in-place concrete paving slab with reinforcing, sloped to drain toward the trench unit. Below the paving, geofom fill is installed at a typical depth ranging from two-and-a-half to three-and-a-quarter feet, supported by a lower slab structure with waterproofing and drain mat assemblies. An expansion joint is located adjacent to the planter wall, which separates the courtyard from the bioretention planter and property line buffer zone.

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