Sixty-three people have been penalized over a fatal pipeline explosion that claimed 62 lives in…Qingdao on Nov. 22, 2013, the State Council said…Fu Chengyu, board chairman of Sinopec, China's second-biggest oil producer and operator of the pipeline, received a demerit administrative sanction, and Qingdao mayor Zhang Xinqi received a warning administrative sanction…Sinopec responded by saying that it would submit to the penalties and will learn lessons from the tragedy. It said in a statement that it will continue to cooperate with local government in handling the aftermath of the accident and overhaul safety hazards in its pipeline network. The major cause of the accident was corrosion that wore down the pipeline, leading to the break. Repair work on a sewage cover plate on the day of the accident involved the use of a hydraulic hammer that wasn't explosion-proof, producing the sparks that triggered the blasts, a spokesman from China's top work safety watchdog said…