This top view detail outlines the dimensional requirements for placing rectangular valve boxes and quick coupling valves adjacent to an edge of lawn, walk, fence, or curb. A typical quick coupling valve is positioned twelve inches away from the edge. A series of fourteen-inch by nineteen-inch rectangular valve boxes are spaced twenty-four inches apart, with a twelve-inch typical setback from the edge. A larger twenty-three-inch by thirty-three-inch rectangular valve box is designated for the emitter manifold. Accompanying notes direct installers to center valve boxes over remote control valves, set boxes flush at finish grade, prioritize ground cover or shrub areas over lawn installations, keep boxes parallel to each other and perpendicular to the edge, and avoid heavy soil compaction around the boxes.
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