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  • Fire Fighting SIL study

    Quote Originally Posted by josefreitas View Post
    I design one electrical power plant (a combined cycle) to supply steam and electricity to one Oil Refinery. Here all standards are based on API and the Client wants that my Water fire fighting and detection system shall be designed with SIL 3. My DCS satisfy that but i need to make a SIL study in order to demonstrate that all system satisfy SIL 3. Who can help me supplying a example SIL 3 study? Thank you for your help.
    Quote Originally Posted by gunnarhole View Post
    josefreitas - If you can get a copy of ISA TR 84 00 04 Part 2, there is an example of an SIS implementation. There may be a similar example in one of the IEC 61511 series documents but I don't know. Perhaps someone with more expertise can jump in here.
    This article was originally published in forum thread: Fire Fighting SIL study started by josefreitas View original post
    Comments 2 Comments
    1. josefreitas's Avatar
      josefreitas -
      thank you. i will go read ISA TR 84. Do you have any software to make the design and after do the reliability calculation?
    1. gunnarhole's Avatar
      gunnarhole -
      You may find an early (freeware) version of Raptor on the internet which will allow you to model the reliability of your SIF. Whether it will be sufficient for your need I dont know. Obtaining good (acceptable) data to build the model may be difficult. Good luck.
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