Before Operation

This field identifies if further evaluation of the occurrence is required before further operation. This is a required field for all notification and update final reports where Further Evaluation is marked Yes.

To specify the value for this field, highlight it on the Specify New Database Search Criteria page. Click the Refine Search and Specify Values command button. Use the Yes or No radio buttons to specify a value for this field, as shown in the image below:

Before Operation Radio Buttons (Yes/No)


Boolean logic specification edit box

Fields selected from the Identification, Chronology, and Narrative selection boxes have, by default, the Boolean operator AND applied between the fields. For example, suppose you select 2. Operations/Field Office and 6. Report Year from the Identification selection box, and 27. Discovery from the Chronology selection box. When you click on the Refine Search and Specify Valuescommand button, the following logic will apply:

Default logic: 2 and 6 and 27.

An alternative to selecting search fields from the Identification, Chronology, and Narrative selection boxes is to enter the search items (by number) directly into the Boolean logic specification edit box, using Boolean logic. You must use this edit box if you wish to utilize OR or NOT operators (or a combination of all three operators). Parentheses are permitted within the edit box, and allow for grouping and nesting of the search fields. The Boolean operators can be entered as either upper case or lower case, and must be separated from the search item numbers by a space.

Example: Suppose you wish to search for Occurrence Reports where Training is identified as a Causal Factor. In the Boolean logic specification edit box you would type:

15 or 16 or 17

(15 is Cause Code, 16 is ISM Code and 17 is HQ Keywords). Note that the OR logic overrides the default AND logic between search fields. Click on the Refine command button and select 5 - Training Deficiency from the Direct Cause, Contributing Cause and Root Cause selection boxes.

Note that any entry in the Boolean logic specification edit box overrides selections made in the Identification, Chronology, or Narrative selection boxes.


Boolean Operators

The three basic operators, AND, OR, and NOT, can be used in the Boolean logic specification edit box to more precisely define what you want the ORPS database search engine to locate for you.

Search terms combined with the Boolean AND will return occurrence reports that contain all of the search terms.

Search terms combined with the Boolean OR will return occurrence reports that contain any of the search terms.

Search terms combined with the Boolean NOT can be used to exclude occurrence reports from a search.

The precedence of operators within an expression is NOT, AND, and OR, but the order of execution can be specified by the use of parentheses.

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