0:06 Welcome to this Application Explainer video, part of our Instrumented Systems topic range.
0:11 In this video, we’ll cover the subject of seal calculation reports within SLM.
0:17 Seal calculation reports are the reports that are populated and can be viewed for further analysis on the Sith or HIPS once its seal calculations are completed.
0:28 In this video, we will discuss what is required for the setup of these reports, where they can be found, and what information is displayed.
0:36 The following information will be covered in this training.
0:39 Chapter one will be RRF and PFD by type, Chapter 2 will be IO sensitivity graphs and charts, and Chapter 3 will be Seal Verification Report.
0:55 In Charter One, we will be covering requirements for the RRF and FD by Type report, viewing the RRF by Type report, and viewing the FD by Type report.
1:07 For the RRF by Type tab to be effective, there are two values needed, the target RRF which can be entered manually or pulled in from the Loper module, and the achieved RRF for the desired failure rate sources.
1:21 As a result of the sill calculations for the PFD by Type report, all that is needed is the achieved PFD for the desired failure rate sources.
1:31 To find the RRF by Type report in the Instrumented Systems module, click on the SIF and then click on the RRF by Type tab.
1:40 The RRF by Type report displays the achieved risk reduction factor for each failure rate source that has been achieved through seal calculations and compares that with the target risk reduction factor for the SIF or HIPS.
1:55 Each horizontal bar shows the risk reduction factor for the different failure rate sources and whether it has met the target RF requirements, shown here as the blue bold vertical line.
2:08 In this example, only the design basis failure rate source has exceeded the target risk reduction factor.
2:15 Define the PFD by Type report, click on the SIF and click on the PFD by Type tab.
2:23 The PFD by Type report displays the seal calculation results for the SIF for each of the failure rate sources.
2:32 The next table shows the failure contributions for each of the failure rate sources by input, logic solver, and outputs.
2:40 Failure contributions are the percentage of the total failures that are attributed to inputs, logic solvers, and outputs.
2:49 UPS’s can also be included for any energized to trip scenarios.
2:55 Below that are paragraphs that show the failure contributions of the SIF components.
3:02 Each PIE graph is associated with a different failure rate source.
3:14 In Chapter 2, we’ll be covering the purpose of the IO sensitivity report, requirements for the IO sensitivity results, setting up the IO sensitivity graph and chart, interpreting the IO sensitivity chart, and interpreting the IO sensitivity graph.
3:32 The IO Sensitivity report allows you to compare and achieve risk reduction factors with the target risk reduction factor with a range of input and output test intervals.
3:43 This report has 2 main uses, 1 ensuring the design for the SIF based on test intervals meets the seal criteria specified from Loper and two, determine how long a test can be deferred before falling short of the target risk reduction factor.
4:00 For the IO sensitivity results to be effective, the same 2 requirements as the RRF by type reports are needed, the target RRF and the achieved RRF.
4:11 However, in this report, the achieved RRF must be the result of one of the three failure rate sources displayed as a result of the SEAL calculations performed in SLM prior use custom failure rate and design basis failure rate.
4:26 To begin using the IO Sensitivity report, click on the IO Sensitivity tab for the SIF.
4:33 Scroll down and click on the blue bar at the bottom of the view.
4:37 Expanding this will reveal a section of fields in which you may designate parameters.
4:42 These include the input and output test interval, the step for each, and the failure rate source used for the inputs, outputs, and logic solvers.
4:52 The drop down does not show the external result as there are no test interval values in SLM associated with this result.
5:07 The step for each test interval is the time between test intervals as shown on the chart and graph.
5:14 The unit of measure for the step always follows those of the corresponding test intervals.
5:20 Click and generate will show the results of the report in both a chart and graphical format.
5:28 The chart view and the graph view show the same information displayed in different ways.
5:33 Starting with the chart, the horizontal axis shows the input test interval as well as any changes in test intervals defined by the input step specified in the initial parameters, while the vertical axis shows the output test intervals in the same way.
5:51 Inside the chart, the coloured cells show the RRF for the intersecting input and output test intervals.
5:58 If the cell is red, the RRF falls short of the target.
6:02 If the cell is green, the RRF meets or exceeds the target RRF.
6:10 The graph view shows the same information in a different way.
6:13 The vertical axis is the achieved risk reduction factor for the SIF.
6:17 The horizontal axis is the output test interval.
6:22 Each curve on the graph is a different input test interval as denoted by the legend.
6:27 Each point on the line show the achieved risk reduction factor for that input or output combination.
6:35 Hovering the cursor over the point displays a tooltip specifying the risk reduction factor.
6:41 The horizontal dotted line is the target RRF.
6:45 Any points on or above the dotted line meet or exceed the target RRF requirements, while those points below it fall short of the target.
6:57 In Chapter 3, we will be covering viewing the Seal Verification Report and printing the Seal Verification Report.
7:06 The Seal Verification Report found by navigating to the SIF and clicking on the Seal Verification tab, is the view that places all seal verification information in one place.
7:18 It displays key information like the SIF functional requirements, which include the target information.
7:24 The sill verification results, which include the governing result source specifying which result among the failure rate sources is the official result for the sill calculations.
7:35 The SIF architectural limits calculated mean time to fail spurious.
7:40 The diagram for the SIF.
7:42 The seal calculation results, which include the total PFD and the total RRF for all of the failure rate sources.
7:52 The failure contributions of the failure rate source designated as the governing result source.
7:59 Test intervals for each of the components, then voting layer information like the voting group, PFD and voting for the beta, as well as information for each of the components like your dangerous, detected, dangerous, undetected, safe detected safe, undetected failure rates and a proof test interval.
8:22 Proof test coverage, diagnostic coverage, and mean times repair for each of the components.
8:27 That includes the inputs, the logic solver, and the outputs.
8:33 This view or report could be printed in two ways.
8:35 First, by navigating to the top of the screen and clicking the print button and printing to PDF.
8:41 Second, clicking on the report section and selecting the sealed verification report.
8:47 Here you can filter down by selecting the site and unit and then select one or multiple Sifs.
8:57 Click Generate to preview this report.
9:01 In this view it will show all Sifs that have been selected.
9:05 This is the first SIF.
9:09 As we Scroll down, we come to the next SIF or by pressing Print the PDF which allows you to print all reports in one view.
