SAFETY PROCESS ANALYSIS: PST ON ESD AND ALARM & SAFETY DESIGN & EVALUATION

• Main Author: IDRIS, SYAMSUL FAIZAL
• Format: Final Year Project
• Language: English
• Published: Universiti Teknologi Petronas 2011
• Subjects: TK Electrical engineering. Electronics Nuclear engineering
• Online Access: http://utpedia.utp.edu.my/8575/1/2011%20-%20Safety%20process%20analysis%20-%20PST%20on%20ESD%20and%20alarm%20%26%20safety%20design%20%26%20evaluation.pdf; http://utpedia.utp.edu.my/8575/

Looking from the defmition of the word disaster, it is defined as an unexpected natural or man-made catastrophe of substantial extent causing significant physical damage or destruction, loss of life or sometimes permanent change to the natural environment. Putting in a scenario of a very critical process plant where every action and decision must be analyzed into every minute detail, it is where even the slightest mistake would have an effect on the major process. What more if a disaster should occurred in the plant, the effect would have been unimaginable. In the effort of avoiding such incidence, various countermeasures had been deployed to make sure that every possible case is handled. Among the main and early stage preventive device is the Emergency Shutdown Valve (ESD), place in between the upstream/downstream inventory and the processing plant. The scope of this project is to develop a reliable and efficient controller configuration for the ESD to perform Partial Stroke Testing (PST) and Full Stroke Testing (FST) as per demand. It is important for the controller to ensure the device to perform as per needed, reducing the risk of accidents and mishaps. In the fast moving pace of current technology, newer hardware improves the efficiency of the testing process, thus providing easier insight into the procedure. The use of the ABB Progranunable Logic Control (PLC) together with its progranuning software CoDeSys provides clearer view of the procedure. The report also details the development of the controller function block such as the Proportional Band, PID and process monitoring that includes Alarm & Safety System. The analysis of an actual plant, namely the PETRONAS Carigali RESAK Plant is also included, together with its case study. The findings further demonstrate the importance of the ESD and the FST/PST procedure gained from effective procedure progranuning and thorough data analysis.