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This overview will explain how to add data to the External corrosion module in PLSS when the Schedule is not available and the data needs to be added manually to the ECH.
In this case the Past and Future corrosion rates and the corrosion morphology should be specified on Equipment Type “Pipeline” with the Equipment ID “EC External Corrosion Test Case P1”.
To enter the data:
Navigate to the Equipment Details Page of the Eqipment "EC External Corrosion Test Case P1".
Scroll to the Condition History section.
Create an ECH with the Description “External corrosion case 1”
On the ECH Details Page, in the Schedules credited section, click the SELECT button in the "Event or Opportunity driven" card.
In the Checklist section, click on GENERAL.
In the Actions Performed column click on “What was done and where?”
Find "External Corrosion Assessment" and in the UOM value column, from the drop-down menu select "YES".
Then click on the Grid button
, this will open the External Corrosion Assessment dialogue box.
Create 3 sections with the following data:
Start at [m] | Length [m] | Past CR mm/y | Future CR mm/y | Corr morphology |
0 | 800 | 0.05 | 0.05 | Pitting |
800 | 640 | 0.1 | 0.11 | General |
1440 | 1560 | 0.05 | 0.05 | General |
Click on the Plus button in the ECH grid.
Fill in the data.
Click Save.