Accidents caused by failure to implement LOTO

Accidents caused by failure to implement LOTO

Q: Why do fire pipe valves hang normally open normally closed signs? Toll station where still need to hang usually open often closed sign? Answer: This is actually a standard requirement, that is, the fire valve to hang status identification, in order to prevent misoperation, because the fire water to ensure at all times have to have, that is to say in the process of inspection and maintenance, may temporarily close the valve, so need to remind the relevant personnel. This requirement is actually relatively high, mainly for which key fire prevention units. Your unit is just a suggestion. The valve of the gas pipeline is recommended to be hung. And then it’s gone. The valve of the gas pipeline is also to remind everyone to pay attention to the switch state, to ensure that it is closed after use. This is not mandatory, in the chemical enterprise requirements are higher, they also locked. Prevent misoperation, prevent misoperation, prevent misoperation.
Mistakes are inevitable, so necessary measures should be taken to prevent them. Training should be in place, why to LOTO, must be clear to everyone, rather than the tone of command, have to convince people by reason.

Belt conveyor misopening accident. One day in April 2012, inspection workers found that the connecting port of the belt of the raw coal conveyor was open, and immediately informed the operator to stop the belt for maintenance. However, due to the tight time, they did not Lockout tagout the belt conveyor, and directly repaired the belt. In the maintenance process, the central control operator opened the belt by mistake due to mishearing the equipment number. No one was injured.