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Publicada porSebastian Iacopi Modificado hace 6 años
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Title area max over 2 lines Insert Topic Icons Click on the picture icon and browse to the location of the Topic Icons AkzoNobel Bullets Only use the List Level buttons to apply the AkzoNobel Branded Bullets What happened? As a consequence of a power outage (short time) in on PLC of the Coil cell, there is an interruption of the level control system, this situation generates the overflow of the intermediate (1000L) tank, at the moment it was transferring resin from the Tank Farm to the plant. As result a spill of 87 kg of flammable material. According to the AN PSE calculator tool, it has been classified as PSE Level 2. Site: Americas – Garín Site Date: 23/01/2019 Title: PSE L#2 – Overflow Spill Coil Cell The importance of having redundant process control instruments in order to ensure an adequate level of protection (layers) in automated systems. In the case of power failure, the PLC must automatically change to a safe mode by blocking the elements that command the pumps Learn from site incidents and similar events in order to review the PLC configuration schemas to determine effective and interdependent safeguards that are aligned with the maximum credible risk scenario of the process node defined in Hazard Study No. 3. The importance of Gemba walks, especially, having a experience of failure of process control devices. level gauge and actuated valve Hatch tank.
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