About the author  ⁄ John Hlinka, P.E.

John Hlinka, P.E., is Senior Project Manager/Structural Engineer at QualEx Engineering in Paducah, Kentucky. He can be contacted at jhlinka@qualex.com.

On a recent chemical plant project for which the author was the Engineer of Record, an electrical contractor, contrary to contract specifications, manually arc welded electrical grounding conductors to reinforcing steel for a pipe rack foundation. The electrician explained that the National Electric Code (NEC) allows welding to concrete encased reinforcing steel, and he frequently does so in lieu of independent electrical ground rods which were specified on this project.

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