Creating New LOPAs
- 09 Aug 2024
- 2 Minutes to read
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Creating New LOPAs
- Updated on 09 Aug 2024
- 2 Minutes to read
- Contributors
- Print
- DarkLight
- PDF
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You can create a new LOPA directly from the LOPA Main Screen. or from the HAZOP itself. In both cases you can link it to a HAZOP Consequence.
Creating LOPAs from the LOPA Main Screen
To create a LOPA:
- Go to the IMS SIS Main Menu.
- Click LOPA to go to the LOPA list (main screen).
- Click + to create a new LOPA.
Go to the LOPA main menu and click +. - Enter the required data in the popup window.
- Click Save when done.
| Field | Description |
|---|---|
Parent Plant Id | Click the search icon here to select the Parent Plant. Alternatively click the search icon in the Parent Unit ID field to select the Parent Unit. You only need to select one of the two. |
Parent Unit Id | Click the search icon to select the Parent Unit. All Units in the selected scope will be available to select. Alternatively click the search icon in the Parent Plant ID to select the Parent Plant. You only need to select one of the two. |
From Consequence | Here you can select an already defined Consequence from one of the HAZOPs in this Plant/Unit. |
From HAZOP | If a Consequence has been selected, the associated HAZOP description will be filled in here automatically. |
Consequence of failure on demand | If a Consequence has been selected, the associated description will be filled in here automatically. Else, you can enter it here. |
Description | Enter a description for the LOPA. |
HAZOP / Node | If a HAZOP Consequence has been selected, then the associated HAZOP/Node will be filled in here automatically. |
Hazard | If a Consequence has been selected, the associated Hazard (and its Severity) will be filled in here automatically, if applicable. Else, you can enter it here. |
The new LOPA will be created, and you will be redirected to the detail page of the LOPA that was just created.
If an existing Consequence from a HAZOP was selected: The Consequence and its Severity will be copied, the Cause(s) (and Frequencies) will be copied as the Initiating Event(s), the Existing safeguards will be copied as Barriers, and the ALARP notes will be copied. These objects in the HAZOP and LOPA will remain synced to each other. See Syncing HAZOPs with connected LOPAs.
Creating LOPAs from the LOPA HAZOP Details Page
A LOPA can also be created directly from any Consequence card on the HAZOP details page.
To create a LOPA:
- Select the desired Consequence.
- If it has already been indicated that a LOPA is required, just click Create LOPA on the associated Severity card; else
On the HAZOP details page, select the desired Consequence and click Create LOPA.
- If you first need to specify the LOPA requirement:
- Click on the Consequence card fold-out.
On the HAZOP details page, select the Consequence card and click the fold-out bar.
- Click on the Consequence card fold-out.
- If the Severity of the Consequence has been estimated (i.e., a Risk Assessment has already been done), you will see a LOPA checkbox.
- Check the box.
- For the LOPA: Enter LOPA description.
- Click Create LOPA, to create the LOPA.
If LOPA is checked, you can click Create LOPA.
- Enter the Description (If not yet done).
- Click Save when done.
The new LOPA will be created, and you will be redirected to the detail page of the LOPA that was just created.
The Consequence and its Severity will be copied, the Cause(s) (and Frequencies) will be copied as the Initiating Event(s), the Existing safeguards will be copied as Barriers, and the ALARP notes will be copied. These objects in the HAZOP and LOPA will remain synced to each other. See Syncing HAZOPs with connected LOPAs.
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