ML032260490

2003 Licensee Written Exam Perfomrance Analysis

ML032260490
Person / Time
Site:	Palo Verde
Issue date:	09/03/2003
From:	Gody A Operations Branch IV
To:	Overbeck G Arizona Public Service Co
References
50-528/03-301, 50-529/03-301, 50-530/03-301 50-528/03-301, 50-529/03-301, 50-530/03-301
Download: ML032260490 (3)

Text

PVNGS 2003 RO & SRO License Examination Post-examination Assessment Written Examination Question Assessment

>50% of the candidates missed the following questions Question # Overall Success Description Rate 80 (SRO Only) 33% Question asked the maximum once in a lifetime exposure limit to save a life that the EC may direct. 2 SRO candidates missed this question. They both chose distractor A, which states that 5 REM TEDE is maximum lifetime exposure to save a life. Clarification will be provided on this item during examination review. The question is valid as written.

88 (SRO Only) 33% Question asked which fire extinguisher is used on site to fight flammable liquid fires. 2 of the SRO candidates chose distractor B, carbon dioxide as their choice. This is not the most preferred choice. Clarification will be provided on this item during examination review. The question is valid as written.

71 (RO) 44% Question asked for parameters that indicate the core is in a covered conditon. 4 RO 94 (SRO) candidates missed this question. 1 SRO candidate missed the question. All 5 candidates picked distractor D as their choice. Superheating on the CETs would not be indicative of a core-covered condition. Clarification will be provided on this item during examination review. The question is valid as written.

73 (RO) 22% Question asked to identify which pump should be used to re-establish Shutdown Cooling 97 (SRO) Flow following an unidentified loss of the operating Train Pump. All other conditions are normal. All 6 RO candidates missed this question. 1 SRO candidate missed this question. 4 of the candidates chose distractor A, which states that the same pump that failed for unknown reasons could be restarted. This is not in accordance with procedures or company policy. The other 3 candidates chose distractor D, which states that the same trains Containment Spray Pump should be used. While this is possible, without knowing if there is a problem with that trains header it would not be advisable. In addition, it is quicker to start the other trains LPSI pump to reestablish SDC flow. Additional training will be provided on this item during examination review. The question is valid as written.

All examination questions missed by any candidate have been reviewed and there are no other issues identified with any other questions.

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PVNGS 2003 RO & SRO License Examination Post-examination Assessment Written Examination Question Assessment

>20% of the candidates missed the following questions Question # Overall Success Description Rate 8 (RO) 55% Question asked the candidate which alarm should be in based on current conditions.

10(SRO) The conditions given only support the alarm for RPS to have initiated. 4 RO candidates missed this question. No common distractor was selected. All SRO candidates responded correctly. Additional training will be provided on this item during examination review. The question is valid as written.

16 (RO) 78% Question asked why are two condensate demineralizer placed in service during a 21 (SRO) Steam Generator Tube Rupture. 2 SRO candidates missed this question. No RO candidates missed this question. Both SRO candidates chose distractor B, which states the reason is to prevent contamination of the non-ruptured SG.

Contamination of the non-ruptured SG can not be avoided. Clarification will be provided on this item during examination review. The question is valid as written.

28 (RO) 67% Question asked the suction source for Containment Spray 90 minutes post DBA 37 (SRO) LOCA. 3 RO candidates missed this question. All SRO candidates responded correctly. The 3 RO candidates selected distracter C to be correct, which states that both the Recirculation Sump and the RWT are both available as a suction source.

Assuming no operator action, the RWT is aligned however, the check valve downstream of the RWT would be held closed by containment pressure under this condition and therefore would not be able to provide any water. Additional training will be provided on this item during examination review. The question is valid as written.

55 (SRO only) 67% Question asked the candidate to identify whether PNC-D27 has an auto transfer source of power in place on Unit 1. 1 SRO candidate missed this SRO only question.

Clarification will be provided on this item during examination review. The question is valid as written.

45 (RO) 67% Question asked what to do with the RCPs based on plant conditions and why. Plant 60(SRO) conditions indicate a loss of subcooling. Therefore, it would be appropriate to trip all four RCPs to mitigate saturated conditions in the RCS. 2 of the RO candidates and one SRO candidate missed this question. All 3 candidates selected distractor A, to trip all 4 RCPs to establish Natural Circulation. Natural Circulation will be established but it is not the reason for tripping the RCPs. Clarification will be provided on this item during examination review. The question is valid as written.

63 (SRO Only) 67% Question asked the SRO to identify the concern related to overcooling the RCS during a LOCA due to overfeeding of the SGs. 1 SRO candidate missed this SRO only question. Clarification will be provided on this item during examination review.

The question is valid as written.

53 (RO) 78% Question asked for correct communication and procedure to reference for a Loss of 70 (SRO) Instrument Air to the Cask Loading Pit. 1 RO candidate and 1 SRO candidate missed this question. No common distractor was chosen. Clarification will be provided on this item during examination review. The question is valid as written.

54 (RO) 67% Question asked what 10 CFR governs emergency exposure controls. 3 RO candidates 73 (SRO) missed this question. No common distractor was selected by these 3 candidates. All SRO candidates responded correctly. Clarification will be provided on this item during examination review. The question is valid as written.

58 (RO) 67% Question asked to identify from choices given, the relationship between QSPDS and 77 (SRO) the B02 Post Accident Monitor recorders. 3 RO candidates missed this question. All 3 picked distractor D which states that Pressurizer Pressure is being fed to the PAM recorder. This is not correct. All SRO candidates responded correctly. Clarification will be provided on this item during examination review. The question is valid as 2

PVNGS 2003 RO & SRO License Examination Post-examination Assessment written.

80 (SRO Only) 33% Question asked the maximum once in a lifetime exposure limit to save a life that the EC may direct. 2 SRO candidates missed this question. They both chose distractor A, which states that 5 REM TEDE is maximum lifetime exposure to save a life.

Clarification will be provided on this item during examination review. The question is valid as written.

71 (RO) 44% Question asked for parameters that indicate the core is in a covered conditon. 4 RO 94 (SRO) candidates missed this question. 1 SRO candidate missed the question. All 5 candidates picked distractor D as their choice. Superheating on the CETs would not be indicative of a core-covered condition. Clarification will be provided on this item during examination review. The question is valid as written.

72 (RO) 67% Question asked what CRS action is mandatory per the Operational Considerations 96 (SRO) due to a Plant Fire procedure. No immediate actions are required for the given conditions. 3 RO candidates missed this question. Two candidates picked distractor B which states that immediate action is required. This is not correct. All SRO candidates responded correctly. Clarification will be provided on this item during examination review. The question is valid as written.

73 (RO) 22% Question asked to identify which pump should be used to re-establish Shutdown 97 (SRO) Cooling Flow following an unidentified loss of the operating Train Pump. All other conditions are normal. All 6 RO candidates missed this question. 1 SRO candidate missed this question. 4 of the candidates chose distractor A, which states that the same pump that failed for unknown reasons could be restarted. This is not in accordance with procedures or company policy. The other 3 candidates chose distractor D, which states that the same trains Containment Spray Pump should be used. While this is possible, without knowing if there is a problem with that trains header it would not be advisable. In addition, it is quicker to start the other trains LPSI pump to reestablish SDC flow. Additional training will be provided on this item during examination review. The question is valid as written.

All examination questions missed by any candidate have been reviewed and there are no other issues identified with any other questions.

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