Skid-Mounted Single-Post Perforated Steel Tube Temporary Sign Support

Report Number(s): 0-6946-R2

Description: A 36-inch square extruded thin wall plastic sign panel secured to a 11 ft long section of 1¾-inch square perforated tubing with two hex bolts, with flat washers and hex nuts.  The tubing was inserted into an inverted T‑shape, fabricated from 2-inch square perforated steel tubing, and secured with a bolt, nut, and flat washers,  the bottom corner of the sign was at 84 inches above grade.  A smaller T‑shape, made of 1¾-inch square perforated tubing, was inserted into each end of the larger T‑shape to provide stability. All square perforated tubing was 12 gauge.

Test Level: 3

MASH Test Number: 3-72

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Pass

Evaluation: Testing + Engineering Analysis

Sponsor: Texas Department of Transportation

Test Article Description

Mounting Height: 84"

Base Type: Yielding

Support Type: Perforated Square Tube

Support Size: 1.75"x1.75"x132"

Sign Material: Plastic

Sign Type: Diamond

Sign Size: 36" x 36"

Number of Legs: 1