George A. Harmon v. General Motors Corporation v. Aetna Casualty and Surety Company, Intervening

JERRY E. SMITH, Circuit Judge:

I

Plaintiff George Harmon, at the time in question, worked for Southern Systems, Inc. (“SSI”). SSI contracted with General Motors Corporation (“GM”) to install a new conveyor system in the Arlington, Texas, assembly plant. Harmon was injured while attempting to hoist parts from the ground floor of the plant to the roof.

Prior to the accident, Harmon had been conveying materials to the roof using a crane outside the plant. On November 9, 1989, Harmon and two employees decided to use an existing hoist inside the plant. Harmon and two other workers entered an…