ML21137A285
| ML21137A285 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 04/08/2021 |
| From: | Greg Werner Operations Branch IV |
| To: | Entergy Operations |
| References | |
| Download: ML21137A285 (4) | |
Text
PROPOSED OUTLINE COMMENTS Facility: ANO2 First Exam Date: 29 March 2021 Written Exam Outline (Date)
Comment Resolution 1 NRC Generated K/A replacements approved.
Document link to 10CFR55.43(b)(1) in Updated as requested.
2 SRO question 99. Outline is missing 55.43 link currently.
Administrative JPM Outline (Date)
Comment Resolution Generic JPM Comment: In the Type Updated as requested.
Codes and Criteria field at bottom of 1 ES-301-1, summarize the exact number of JPMs in each category for quick reference.
Control Room / In-Plant System JPM Outline (Date)
Comment Resolution Generic JPM Comment: Combine the Updated as requested.
ES-301-2 Forms into 1 form for quick 1
reference, with S8 (RO-only) in italics, and the SRO-U JPMs bolded.
Generic JPM Comment: For alternate Updated as requested.
path JPMs, include a brief 1 or 2 2
sentence summary of the alternate path in the JPM title.
Generic JPM Comment: For JPMs that Updated as requested.
are Modified, please briefly summarize what was modified about them. Include 3
the JPM Overview Description excerpts at the end of the ES-301-2 file for quick reference (same for ES-301-1).
Simulator Scenario Outline Comments (Date)
Comment Resolution 2019 Scenario Major Events n/a, reference only 1- Loss of Heat Sink + 2 stuck rods OBDI 202 - IOLE Process Rev 3
2- ATWS + LOCA 3- Feedwater Line Break 2017 Scenario Major Events 2- Stuck open MS Safety ESD 3- LOOP to SBO, no DGs avail 4- SBLOCA, loss of HHSI.
Scenario 2 1 Major Event: SGTR n/a, reference only Event 3, credit it as a C instead of R for Updated as requested.
all positions. An I/C malfunction is more 2
valuable than an R to an SRO-I, who has to have two in the ATC position.
CT-2: Is a 1-hr bounding criteria post- 1 hr. is the FSAR required time for SG tube trip for isolating A SG reasonable / rupture isolation.
sufficiently discriminatory? I recognize Updated with caveat requested.
that we have used that bounding criteria on previous exams (2015, 2014). I would prefer to caveat it with, or upon 3
completion of 2202.010 Attachment 10, whichever comes first. Meaning that it if the crew reports Attachment 10 complete and the SG has not been isolated, we wont wait for a full hour to see if the error is caught.
CT-2: List the specific valves that must Updated as requested.
4 be closed to satisfy CT. OBDI 202 - IOLE Process Rev 3
Scenario 3 1 Major Event: Intersystem LOCA n/a Scenario is characterized as Modified; This was from 2014 Scenario #2. 1 event 1021 ES-301 says A significant was removed, and 3 others were modified.
modification means that, for each Discussed with lead examiner. It was scenario, at least two events have not determined that this was not modified and 2 been used on the previous two NRC thus removed the modified tag.
initial licensing operating exams.
Clarify what previous exam this scenario is modified off of, and what was changed.
Event 4, rephrase in D-1 to intersystem Updated as requested.
3 leak vice LOCA, as its only 15 gpm at this point.
Event 4, credit it as a C instead of R for Updated as requested.
all positions. An I/C malfunction is more 4
valuable than an R to an SRO-I, who has to have two in the ATC position.
Generic - on the pages that include the Updated as requested.
CT summaries, see if you can make 5 those pages appear in landscape mode for wider columns and easier reading.
May need to create section breaks.
Scenario 4 Major Event: Loss of Heat Sink w/ n/a 1
LOOP For the TS portion of Normal event 1, Updated as requested.
make that a separate event, credited as 2
TS-only for the CRS. Reads a little clearer on the D-1 that way.
Event 5, credit it as a C instead of R for Updated as requested.
3 all positions. An I/C malfunction is more OBDI 202 - IOLE Process Rev 3
valuable than an R to an SRO-I, who has to have two in the ATC position.
Event 6 2A-1 bus lockout, credit it as a Updated as requested.
4 C vice M.
CT-1: Reads like a conditional CT, so Updated as requested.
rephrase to WHEN both S/G levels are
<= 70 WR . Also what is the starting The heat up point must be determined during 5
point for 5F RCS heatup? actual performance. It would be the temperature when SG level is low enough to no longer be a heat sink.
CT-1: Specify the alphanumeric Updated as requested.
designators of the valves that are 6
required to be opened in performance indicators.
Scenario 5 1 Major Event: LOOP. n/a A loss of offsite power where at least 1 This was discussed with the Lead examiner EDG can be immediately manually and it was determined that it would be left as started doesnt strike me as a very submitted on the original outline submittal.
discriminatory major event would you not be in and immediately out of the SBO procedure? I prefer this to be a 2
true SBO where the AAC DG is the success path, especially since Unit 2 is the unit that has control of the AAC DG.
I assume you are trying to avoid overlap with the 2017 SBO scenario?
Generic Comments OBDI 202 - IOLE Process Rev 3