ML120470685

SO-2011-11 Draft Outline Comments

ML120470685
Person / Time
Site:	South Texas
Issue date:	10/28/2011
From:	Division of Reactor Safety IV
To:
References
SO-2011-11
Download: ML120470685 (3)

Text

DRAFT OUTLINE COMMENTS Facility: SONGS First Exam Date: 31 Oct 2011 Written Exam Outline (8/9/2011)

Comment Resolution No rejected KAs? Resubmitted ES-401-4 with rejected K/As 1

identified.

ES-201-2, Exam Outline Quality Resubmitted ES-201-2 with all initials.

Checklist, is missing initials for the Author and Facility Reviewer on Item 1.d 2

(Assess whether the justifications for deselected or rejected K/A statements are appropriate.

Administrative JPM Outline (8/9/2011)

Comment Resolution RA4 - What is the LOD on this? Will it This is a task normally assigned to an on-shift be discriminatory for a licensing RO after SM initiates the Emergency Plan.

1 decision? Do only ROs perform these Will evaluate LOD following submission of tasks? draft op test and, if necessary, during validation week.

Control Room / In-Plant System JPM Outline (8/9/2011)

Comment Resolution S-4: This should include a P Type The JPM has been modified. The JxxxFS Code since it appears it was on the 2009 designator on both the 2009 version and the NRC exam. 2011 version is the SONGS numbering 1 nomenclature. The 2011 will have a different nomenclature when it is added to the JPM bank, but that will not happen until after the exam for security reasons.

2 If S-4 is a P, was it randomly selected? N/A OBDI 202 - IOLE Process

Simulator Scenario Outline Comments (8/9/2011)

Comment Resolution Scenario 1: arent the second and third The second critical task is recognizing the Critical Tasks essentially the same? need and taking the action to trip the reactor due to two dropped CEAs. When the operator attempts the manual trip he/she should recognize that a reactor trip is required and should attempt to trip the reactor using the manual trip pushbuttons. If the operator fails to identify the requirement for a reactor trip, there would be a significant negative 1

affect by continuing to remain at power with two dropped CEAs. The third critical task of securing power to the CEAs upstream of the reactor trip circuit breakers is distinct from the second CT as it would be accomplished once the SPTAs were entered after a reactor trip.

Will add clarifying information in parentheses following each of the Critical Tasks.

Scenario 2: second critical task - will Yes. AFW Pump P-140 is a turbine driven feedwater be restored prior to exiting AFW pump which fails to auto start on the 2

SPTAs? EFAS signal but can (and should) be started by a board operator during SPTAs.

All - Target Quantitative Attributes, The reason 2 EOIs were listed is that in EOPs entered. Per Appendix D of scenarios 1-6 there are substantive actions NUREG 1021, page 10, the primary taken from SO23-12-11, EOI Supporting scram response procedure that serves Attachments. 12-11 was considered the 3

as the entry point for the EOPs (SPTA) second EOI on the Target Quantitative is not counted. Attributes. Scenario 6 Target Quantitative Attributes will be changed to reflect 2 EOPs entered.

Scenario 2 - consider failing P-140 after The entry into the Functional Recovery transition to SBO procedure. procedure is due to the fact that emergency boration is required but not achievable due to the loss of both 1E 4kV buses. This is an 4 entry condition to the functional. The station blackout concurrent with the loss of feedwater would require entry into the functional, however AFW Pump P-140 will be started before transitioning to the optimal EOI.

Scenario 4: Explain event 7. Reference? On a unit trip, Non-1E 4kV buses auto transfer from the unit aux transformers to the reserve aux transformers. Event 7 is a failure of one of the Non-1E 4kV buses to auto 5

transfer which results in the bus being deenergized. SO23-12-1, SPTAs, step 4c RNO says to reenergize the bus as time and resources permit. After event diagnosis and OBDI 202 - IOLE Process

transition to the optimal EOI, a board operator is directed to complete the follow-up actions of SPTAs which directs reenergizing the Non-1E 4kV bus (step 13c of SPTAs). This is when the operator would take action to manually transfer the bus to the reserve aux transformer.

Scenario 5: 1st Critical Task - What is This comes from our Crew Critical Task the basis for manual reactor trip within 1 Summary. SO23-12-1, SPTAs, is entered minute of entry into SPTAs? upon a reactor trip OR an RPS trip setpoint being exceeded without the occurrence of a 6 reactor trip. Step 1 RNO action is to manually trip the reactor and our critical task list criteria states that it shall be done within one minute.

Revisit after revision of Scenario 5.

Scenario 6: 3 abnormal events? (3, 5, 6) The Target Quantitative Attributes will be 7

updated to reflect 3 abnormal events.

Scenario 6: Event 8 - what are required Train B 1E 480V bus supplies support system operator actions? (not described in power for the Train B EDG. Per step 4.b 8

Summary) RNO action in SPTAs, the Train B EDG must be placed in Maintenance Lockout.

Need 2 of the 6 scenarios to require Proposal is to modify scenario 5 to replace entry into the Functional Recovery the RCP sheared shaft with an inadvertent procedure. turbine trip, delete event 6 (auto turbine trip 9

failure), and add an ESDE on S/G E-089 inside containment which would require entry into the Functional Recovery procedure.

ES-201-2, Exam Outline Quality Not sure if it should be initialed since ES-301-Checklist, is missing initials for the 4 form not submitted. After discussion with Author and Facility Reviewer on Item 2.c Chief Examiner, will initial and resubmit form.

(To the extent possible, assess whether 10 the outline(s) conform(s) with the qualitative and quantitative criteria specified on Form Es-301-4 and described in Appendix D). OBDI 202 - IOLE Process