Civil · C-JBK4G

Raised Truncated Domes (In-Line)

Materials

Concrete

Elements

Expansion / Control Joints Site / Paving Anchors / Embeds Reinforcing

Connections

Rebar Splice / Development Expansion / Slip Connection

About this detail

A detectable warning surface features in-line raised truncated domes with dimensions specifying a top diameter between 0.45 and 0.47 inches, a base diameter between 0.9 and 0.92 inches, a height of 0.2 inches, and an in-line center-to-center spacing ranging from 2.3 to 2.4 inches. The adjacent flush concrete curb has a maximum height of 6 inches above grade, an 18-inch minimum depth resting on a 4-inch minimum Class II aggregate base, and includes a half-inch diameter smooth dowel, 18 inches long, at all expansion joints per Caltrans Standard Plan RSP A88A.

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