What are the Louisiana Guidelines for Temporary Precast Concrete Barriers?

The Louisiana Department of Transportation outlines specifications regarding the proper installation and removal for temporary precast concrete barriers, summarized here.

Barrier Units

Barrier units are required to be furnished by the contractor unless specified otherwise. Each barrier unit should be 15 feet in length. When the barrier units are furnished by the Department, the units will be furnished at no cost to the contractor. It is the contractor’s duty to load the barrier units at the location specified, deliver the units to the construction site, and place them as required. The contractor should relocate barrier units as required during construction.

Connecting Pins and Plastic Reflectors

Connecting pins and plastic reflectors can be furnished at no additional cost to the Department. Reflectors should each have a 7 square inches minimum reflective area. Install reflectors a maximum of 15 feet apart (on each side) and in accordance with the manufacturer’s recommendations. Replace damaged pins or reflectors as directed by the engineer.

Barrier Removal

After completion of the work, barrier units furnished by the Department should be removed, transported by the contractor to the location specified, and unloaded as directed. All costs of loading, transporting, and unloading the barrier units are included in the contract price for this item. Barrier units furnished by the contractor will, upon removal, remain the contractor’s property. Damaged barrier units should be repaired or replaced at no direct pay.

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

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