What are South Carolina Temporary Concrete Barrier Jersey Shape Specifications?

The South Carolina Department of Transportation outlines specifications regarding the proper dimensions for free standing Jersey shape temporary concrete traffic barriers, including general notes, plan view details, elevation view details, and more.

South Carolina Temporary Concrete Barrier Jersey Shape General Notes

The South Carolina Department of Transportation’s general notes are as follows:

1. These specifications have met MASH TL-3 requirements.

2. All approved temporary concrete barriers should have the SCDOT approval stamp embedded on top of the barrier unless otherwise directed by the department. For the recessed approval stamp details, see the standard drawings.

3. Concrete should be Class AA concrete, 4000 PSI with a minimum compressive strength in 28 days.

4. Reinforcing should be welded wire reinforcement ASTM A1064 Grade 65. All reinforcements should be Grade 60 steel unless otherwise specified. All welded rebar is ASTM A706. Producers have the option to use lifting devices, chairs, spacers or miscellaneous rebar to secure the cage in for and handling as needed.

5. Steel should be ASTM A-36 (A-36M) with a plain/mill finish. Optional: galvanize J-J hooks as required.

South Carolina Temporary Concrete Barrier Jersey Shape Specifications

The South Carolina Department of Transportation’s Jersey Shape temporary concrete barrier specifications are as follows:

Side View

Barriers measure 12’-0” long and 2’-8” tall. They include two lifting slots that are each 1’-3” wide and are spaced 3’-9” from the outside of the barrier, respectively.

Barriers include a 6x6 W2.9 x W2.9 WWF 1’06” Wide x 11’-8” center mesh over the length of the barrier. This mesh is placed 3” from the outside edge of the barrier (there should be a gap of 3” around the circumference of the mesh).

Barriers also include four #5 x 11’-7-5/8” ASTM A706 rebar that’s welded to the J-hook connector plates. There is a J-hook connector plate (typ.) on each end of the barrier.

Barriers include deflection limiters (typ.).

Top View

The J-hook protruding from the end of the barrier measures 2-3/8” wide when viewed from the top. The hook should be positioned in such a way that the “J” it is visible from a top view. There are two deflection limiters (typ.), one on either side of the J-hook. The first limiter is spaced 10-5/8” from the J-hook, and the second limiter is spaced 11” from the J-hook. These measurements are inverted on the opposite side of the barrier. The barrier measures 2’-0” wide.

End View

Barriers measure 2’-0” wide at the bottom and 6” wide at the top. There is a 3” vertical reveal. The lower slope is 7” wide and the upper slope is 2” wide. The interior mesh begins 10” from the bottom of the barrier and stops 4” from the top of the barrier, with a minimum of 3” of clearance.

Deflection Limiter

Deflection limiters are PL 3” x 3” x 3/8 W/M x 1’-6”. They are A706 rebar and should be trimmed to fit as needed. There is a right-hand and a left-hand limiter.

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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