ML20207H954: Difference between revisions
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SPDS LOGIC VERIFICATION SUpBEARY PACKAGE CATAWBA NUCLEAR STATION Section I: | |||
Nuclear Engineering Design Engineering Department March 14, 1986 Page 1 of 3 8607250143 860715 PDR | Description of the Verification Process Section II: | ||
Summary of Results Section III: | |||
Listing of Applicable Correspondence H. J. Lee, Jr. | |||
Nuclear Engineering Design Engineering Department March 14, 1986 Page 1 of 3 8607250143 860715 PDR ADOCK 05000414 P | |||
PDR | |||
I. | |||
Description of the Verification Process The NPD Nuclear Engineering Group Reactor Safety Section verified the SPDS logic. | |||
Each logic element on e ch diagram was reviewed according to the following criteria: | |||
1. | |||
Correctness and completeness of input 2. | |||
Correctness of combinatorial logic Each logic diagram was reviewed against the following criteria: | |||
startups, and during ordinary reactor trips II. Summary of Results since verification comments were incorporated continuously during the logic generation process, the resulting logic diagrams are applicable for both. | 1. | ||
_III. Listing of Applicable Correspondence Since logic generation and verification were performed as a continuous interactive process, it is difficult to separate the relevant correspondence into generation versus verifica-tion lists. Therefor the list given below is applicable to both. | Accuracy in representing the corresponding status tree 2. | ||
Date | Completeness and consistency of signal indication such that some indication is always present and that normal (green) and abnormal (some other color) are not simultaneously present. | ||
3. | |||
Satisfaction of all safety functions (green indication) during normal plant transients which go as planned, e.g. | |||
startups, and during ordinary reactor trips II. | |||
Summary of Results since verification comments were incorporated continuously during the logic generation process, the resulting logic diagrams are applicable for both. | |||
_III. Listing of Applicable Correspondence Since logic generation and verification were performed as a continuous interactive process, it is difficult to separate the relevant correspondence into generation versus verifica-tion lists. | |||
Therefor the list given below is applicable to both. | |||
Date From To Subject 03/23/83 GB Swindlehurst RL Brown Review of SPDS Logic & Displays 08/10/83 RL Brown KS Canady Request for PM Abraham Safety Review Page 2 of 3 | |||
Date From M | |||
Subject 08/18/83 RL Brown KS Canady Revised copies PM Abraham of logic | |||
: diagrams, tables, specs 09/05/83 GB Swindlehurst CP Rogers Changes to Status Trees 10/07/83 GB Swindlehurst RL Brown Review of SPDS WA Hallman Logic & Displays CP Rogers Page 3 of 3 | |||
. -}} | |||
Latest revision as of 21:06, 6 December 2024
| ML20207H954 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 03/14/1986 |
| From: | Lee H DUKE POWER CO. |
| To: | |
| Shared Package | |
| ML20207H868 | List: |
| References | |
| NUDOCS 8607250143 | |
| Download: ML20207H954 (3) | |
Text
.
SPDS LOGIC VERIFICATION SUpBEARY PACKAGE CATAWBA NUCLEAR STATION Section I:
Description of the Verification Process Section II:
Summary of Results Section III:
Listing of Applicable Correspondence H. J. Lee, Jr.
Nuclear Engineering Design Engineering Department March 14, 1986 Page 1 of 3 8607250143 860715 PDR ADOCK 05000414 P
I.
Description of the Verification Process The NPD Nuclear Engineering Group Reactor Safety Section verified the SPDS logic.
Each logic element on e ch diagram was reviewed according to the following criteria:
1.
Correctness and completeness of input 2.
Correctness of combinatorial logic Each logic diagram was reviewed against the following criteria:
1.
Accuracy in representing the corresponding status tree 2.
Completeness and consistency of signal indication such that some indication is always present and that normal (green) and abnormal (some other color) are not simultaneously present.
3.
Satisfaction of all safety functions (green indication) during normal plant transients which go as planned, e.g.
startups, and during ordinary reactor trips II.
Summary of Results since verification comments were incorporated continuously during the logic generation process, the resulting logic diagrams are applicable for both.
_III. Listing of Applicable Correspondence Since logic generation and verification were performed as a continuous interactive process, it is difficult to separate the relevant correspondence into generation versus verifica-tion lists.
Therefor the list given below is applicable to both.
Date From To Subject 03/23/83 GB Swindlehurst RL Brown Review of SPDS Logic & Displays 08/10/83 RL Brown KS Canady Request for PM Abraham Safety Review Page 2 of 3
Date From M
Subject 08/18/83 RL Brown KS Canady Revised copies PM Abraham of logic
- diagrams, tables, specs 09/05/83 GB Swindlehurst CP Rogers Changes to Status Trees 10/07/83 GB Swindlehurst RL Brown Review of SPDS WA Hallman Logic & Displays CP Rogers Page 3 of 3
. -