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I have a question.  What would be the smallest section
or length of W-Beam guardrail allowable for a repair splice?  12’-6” or
6’-3”?  This repair is for an over the post splice section of
guardrail.  Any guidance would be greatly appreciated.

I am not sure I am envisioning the repair splice you are considering.

Do you have a schematic/diagram/photo of the repair you are proposing?

Thanks

A small portion of an existing 25’ w-beam section is damaged and they want to cut out a 6’-3” segment of that rail.  They would then like to put back a new 6’-3” section.  Is that advisable?  I am thinking they should replace the entire section or at least 12’-6” of the damaged piece.

We would not recommend field splicing of the rail in general due to concerns with the structural integrity of the splice.

If a section of rail is damage, we would recommend that the entire section be replaced. You could use smaller sections to comprise the removed section length.

Let me know if that answers your question or if you need anything further.

Thanks