This plan view details the dimensional requirements for truncated domes in detectable warning surfaces. Center-to-center spacing ranges from 2.3 inches minimum to 2.4 inches maximum in both orthogonal directions. Base-to-base spacing requires a 0.65-inch minimum clearance between adjacent domes.
0.65” Min. 2.3” Min. to 2.4” Max. Center-to-Center Spacing Base-to-Base Spacing Center-to-Center Spacing 2.3” Min. to 2.4” max. TRUNCATED DOMES – PLAN VIEW
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