Dive summary:

• Tennessee has fined a North Carolina contractor $7,200 in the February 2012 death of a worker who was buried by a wall collapse during demolition work at a sewage treatment plant.
• The state's Division of Occupational Safety and Health said Roberson Construction & Land Development of Enka, N.C., had three serious violations on the job site before a 4-foot by 8-foot section of wall 3½-feet deep toppled onto Michael Eugene Wells.
• "The earthen walls left standing were not sloped, shored, braced or protected" after others walls had been taken down following an earlier collapse that killed two men, a state report said.

From the article:

The other basin walls had been demolished, and Wells was cutting rebar tied into the foundation at the back wall. ...