What are South Carolina Temporary Concrete Barrier F-Shape Specifications?
The South Carolina Department of Transportation outlines specifications regarding the proper dimensions for F-shape temporary concrete traffic barriers, including general notes, plan view details, elevation view details, and more.
South Carolina Temporary Concrete Barrier F-Shape General Notes
The South Carolina Department of Transportation’s general notes are as follows:
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The details for this barrier meet NCHRP Report 350.
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All approved temporary concrete barriers should have the SCDOT approval stamp embedded on top of the barrier. The approval stamp, “SCDOT 350 XX 00 00” should be embedded 12” from either end of the barrier.
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Concrete utilized for this barrier wall design should be Class 4000 for a minimum strength of 4000 PSI.
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Additional reinforcing may be added to the wall to facilitate handling.
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Pin and loop connectors should be ASTM-A36. Reinforcing steel bars should be ASTM A 706 Grade 60.
South Carolina Temporary Concrete Barrier F-Shape Specifications
The South Carolina Department of Transportation’s F-shape temporary concrete barrier specifications are as follows:
Plan View
Barriers measure 20’-0” long and 24” wide. They include two #4 horizontal bars, two #6 longitudinal bars and three #4 stirrups.
Elevation View
Barriers include a nominal drainage slot that 2’-7” long, 2” tall, and is centered on the barrier. Barriers also include a ½” x ½” chamfer on all edges. The #4 stirrups are spaced 9” apart, with the center stirrup being centered on the barrier. There is a 12” gap between the leftmost stirrup and the outer left edge of the barrier, and a 12” gap between the rightmost stirrup and the right edge of the barrier.
Section A-A
Section A-A details the spacing of the lowest horizontal bar in comparison to the #6 longitudinal bar. The horizontal bar is placed behind the longitudinal bar and below the threshold of its hairpin curved ends. There is a gap of 5” between the top of the longitudinal bar and the top of the barrier.
Section B-B
Section B-B details the spacing of the lowest horizontal bar in comparison to the #6 longitudinal bar. According to this view, the horizontal bar sits just above the threshold of the longitudinal bar’s hairpin curved ends. There is a gap of 6-1/2” between the top of the longitudinal bar and the top of the barrier.
Section C-C
Section C-C details the placement of the #6 longitudinal bar in comparison to the barrier; there is a gap of 8” between the top of the bar and the top of the barrier.
This blog post is an interpretation of specifications by the South Carolina Department of Transportation. Please consult with SCDot's most recent requirements for definitive information.
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