Landscape · L-HD95T

Valve Box Layout

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Valve boxes are positioned with a 3M wire connector and centered over the valve to facilitate servicing. Circular ten-inch valve boxes and twelve-by-eighteen-inch or twenty-by-thirty-inch rectangular valve boxes are set two inches maximum above grade in mulch or groundcover areas, and one inch above finish grade in turf areas. Valve boxes are installed in groundcover or shrub areas where possible, placed in turf only when no adjacent groundcover exists. Boxes are set parallel to one another and perpendicular to edges such as walks, fences, curbs, or lawns with twelve-inch spacing requirements. Heavy soil compaction around valve boxes is avoided to prevent deformation and collapse.

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