Line Break gone BAD (Natural Gas and verifying a ZES)
This is a tale of Valve Handle Positions and the assumption the valve was CLOSED based on the position the handle was found in. No Lockout/Tagout and NO VERIFICATION of a Zero Energy State (ZES) before the NG pipe was disassembled. I am not sure why the NTSB makes no mention of “Energy Control” (e.g…....
