What are Utah Precast Concrete Barrier F-Shape 32 Inch Sloped End Section Specifications?

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The Utah Department of Transportation outlines specifications regarding the proper dimensions for 32-inch F-shape concrete barriers with sloped end sections, including general notes, plan view details, elevation view details, and more.

Utah Precast Concrete Barrier F-Shape 32 Inch Sloped End Section General Notes

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

  1. Provide scuppers when shown.

  2. Measurements are to the intersection of barrier slopes.

  3. Used sloped end sections as allowed on the Standard Drawings BA 1D.

  4. Use permitted in work zones when speed is 40 MPH or less before the start of the construction project.

  5. Each barrier unit weighs 3.0 tons.

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Utah Precast Concrete Barrier F-Shape 32 Inch Sloped End Section Specifications

The Utah Department of Transportation’s specifications for 32-inch F-shape concrete barriers are as follows:

Elevation View

Barriers are sloped in the shape of a wedge. The tall side of the barrier measures 32” high, and the short side measures 4” high. Barriers are 20’-0” long with a laying length of 20’-1/2”.

Barriers include a stabilization pin slot (typ.) on the tall end of the barrier, which are spaced 1’-7” from the outer edge of the barrier, as well as connection loops (typ.).

On the short end of the barrier, there is a 2” diameter hole centered in the end section with a stabilization pin. This hole is spaced 2’-0” from the outer edge of the barrier.

Barriers include H1, H2, H3, V1 and V2 reinforcing bars.

Section A-A

Barriers measure 24” wide at the bottom and 9-1/2” wide at the top. They include a 3/4” chamfer on all edges. Barriers stand 32” tall. R=10”. The bottom slops is 7” tall and the top slope is 22” tall. There is a 3” vertical reveal and a keyhole centered on the bottom of the barrier.

Section B-B

Barriers include a stabilization pin slot on the bottom slope on both sides of the barrier. There is a 3” clearance between all internal reinforcements and the outside edge of the barrier on the bottom, and a 1-1/2” clearance for reinforcements on the sides of the barrier.

Barrier Reinforcements

Barriers include:

  1. 2 H1 (#4) bars, which measure 13’-3” long

  2. 3 H2 (#4) bars, which measure 19’-1” long

  3. 1 H3 (#4) bar, which has a total length of 15’-6”

  4. 10 V1 (#4) bars, which are vertical in barrier bars

  5. 2 V2 (#4) bars, which are vertical bars around slots with a total length of 4’-0”

  6. 10 V3 (#4) bars, which are vertical in barrier bars with a total length of 2’-8”

This blog post is an interpretation of specifications by the Utah Department of Transportation. Please consult with UDot's most recent requirements for definitive information.

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