ML091520479
| ML091520479 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 07/07/2008 |
| From: | NRC/RGN-III |
| To: | Entergy Nuclear Palisades |
| Shared Package | |
| ML082200319 | List: |
| References | |
| Download: ML091520479 (10) | |
Text
NRC REGION III INITIAL LICENSE EXAM JOB PERFORMANCE MEASURE JPM: SRO-ADMIN e TITLE: PERFORM OFF-SITE DOSE CALCULATION NORMAL METHOD CANDIDATE: _____________________________________________
EXAMINER: _____________________________________________
JPM SRO-ADMIN 4 JOB PERFORMANCE MEASURE DATA PAGE Task: Calculate Off-Site Dose Alternate Path: N/A Facility JPM #: NEW K/A: 2.4.44 Importance: SRO: 4.4 K/A Statement: Knowledge of emergency plan protective action recommendations Task Standard: Perform a manual stack gas release rate calculation correctly Preferred Evaluation Location: Simulator __X__ In Plant _____
Preferred Evaluation Method: Perform __X__ Simulate _____
References:
EI-1, Emergency Classification And Actions EI-6.0, Offsite Dose Calculation And Recommendations For Protective Actions EI-6.1, Release Rate Determination From Stack Gas Monitors Validation Time:25 minutes Time Critical: NO Candidate:
Time Start: ________ Time Finish: ________
Performance Time: ________ minutes Performance Rating: SAT______ UNSAT ______
Comments:
Examiner: _______________________________ Date: ______________
Signature PALISADES NUCLEAR PLANT Page 2 of 10 JULY 2008
JPM SRO-ADMIN 4 EXAMINER COPY ONLY Tools/Equipment/Procedures Needed:
EI-6.1, Attachments 1, Stack Gas Monitor Conversion Factor, RIA-2326; Attachment 2, Stack Gas Monitor Conversion Factor, RIA-2327; and Attachment 3, Stack Release Rate Worksheet, Rev. 7 Also see Simulator Operator Instructions (last page of this document).
READ TO CANDIDATE DIRECTION TO CANDIDATE:
I will explain the initial conditions, and state the task to be performed. All control room steps shall be performed for this JPM, including any required communications. I will provide initiating cues and reports on other actions when directed by you. Ensure you indicate to me when you understand your assigned task. To indicate that you have completed your assigned task return the handout sheet I provided you.
INITIAL CONDITIONS:
- A plant trip occurred 7 hour8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> ago
- A radioactive release is currently in progress via the plant stack.
- RGEM is operable and RIA-2326, normal range noble gas stack monitor, has been in high alarm
- No indications of fuel failure exist
- The IBM PC Automated Dose Assessment Program Offsite is not available
- The PPC is not available
- RMC has verified stack activity is consistent with the Radiation Monitor reading
- There is currently a blizzard outside
- A Site Area Emergency has been declared
- The SED will review EI-6.13 to determine any additional requirements, and assign other personnel to complete and process EI-3 notification forms INITIATING CUES:
- The SED has directed you to determine the Stack Release Rate per Section 6.2.1 of EI-6.0 and turn in Stack Release Rate Worksheet , Attachment 3 of EI-6.1 to SED PALISADES NUCLEAR PLANT Page 3 of 10 JULY 2008
JPM SRO-ADMIN 4 Proc. Step TASK ELEMENT 1 STANDARD Grade EI-6.0, Offsite Dose Calculation and Recommendations For Protective Actions, Operator obtains EI-6.0, Section 6.2 n/a Section 6.2, Normal Method Dose S U Assessment located.
Comment:
Proc. Step TASK ELEMENT 2 STANDARD Grade If the Offsite program is not functional, the manual release rate calculation procedure Operator obtains EI-6.1, Release 6.2.1d.1.b .. EI-6.1, Release Rate Determination Determination From Stack Gas Monitors. S U from Stack Gas Monitors, shall be used Comment:
Proc. Step TASK ELEMENT 3 STANDARD Grade Data and results from this procedure should be recorded on Attachment 3, Operator obtains EI-6.1 Att. 3 4.0b Stack Release Rate Worksheet S U Comment:
Evaluator provides candidate with a Working Copy (Attachments 1, 2, and 3 of EI-6.1)
PALISADES NUCLEAR PLANT Page 4 of 10 JULY 2008
JPM SRO-ADMIN 4 Proc. Step TASK ELEMENT 4 STANDARD Grade Determine the Time Since Reactor 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> entered on #1. Time Since Reactor Shutdown (in hours) and record on the 5.1a Shutdown, EI-6.1, Att. 3 S U Stack Gas Release Worksheet Comment:
CRITICAL STEP Proc. Step TASK ELEMENT 5 STANDARD Grade IF unavailable, THEN obtain reading for RIA-2327 from chart recorder RR-2327 9.9 mr/hr entered on Att. 3, #2. Current stack Record reading on Att. 3. Circle gas monitor reading AND CPM circled AND (X) 5.1b appropriate units and mark which monitor RIA-2327 S U was used Comment:
NOTE: RIA-2327 (RR-2327) must be used. This is based on note in Section 6.2.1 of EI-06 which states if RIA-2326 is in High Alarm, all flow is routed through RIA-2327.
CRITICAL STEP Proc. Step TASK ELEMENT 6 STANDARD Grade Obtain the background reading from the same recorder used above. The default value for background are 0.5 mr/hr for 0.5 mr/hr entered on Att. 3, #3. Stack monitor 5.1c RIA-2327, . Record background on Att. S U background reading AND CPM circled 3 Circle the appropriate units.
Comment:
EVALUATOR CUE: Inform operator to use the default value (0.5 mr/hr) as the background reading, after they have read the step.
CRITICAL STEP PALISADES NUCLEAR PLANT Page 5 of 10 JULY 2008
JPM SRO-ADMIN 4 Proc. Step TASK ELEMENT 7 STANDARD Grade Obtain a net stack reading by subtracting stack monitor background from current 9.4 mr/hr entered on #4. Net stack reading 5.1d stack monitor reading Record background AND mr/hr circled S U on Att. 3 Circle the appropriate units.
Comment:
CRITICAL STEP Proc. Step TASK ELEMENT 8 STANDARD Grade IF the stack gas flow rate indication is not available from the PPC , THEN use 3 82,000 ft /min entered on #5. Stack gas flow 3
82,000 ft /min as a default value rate 5.2f&g S U Record the Stack Gas Flow on Att.3 Comment:
Note: PPC not available for stack gas flow rate.
CRITICAL STEP Proc. Step TASK ELEMENT 9 STANDARD Grade IF performing the manual release rate determination, THEN convert flow rate to 3 3 38.704 m /s entered on #6. Stack gas flow rate 5.2h m /s by multiplying stack gas flow rate by S U 4.27 E-4(units). Record the result on Att. 3 Comment:
CRITICAL STEP PALISADES NUCLEAR PLANT Page 6 of 10 JULY 2008
JPM SRO-ADMIN 4 Proc. Step TASK ELEMENT 10 STANDARD Grade IF the Time Since Reactor Shutdown is >6 hours, THEN obtain factor from Attachment 1 or 2, as appropriate, using 3 the Time Since Reactor Shutdown as the 0.04 Ci/m /mr/hr on #7. Conversion factor AND 3
5.3a.2 Decay Time. Ci/m /mr/hr circled S U Record conversion factor on Att.3, circle the appropriate units Comment:
Note: Attachment 2, STACK GAS MONITOR CONVERSION FACTOR, RIA-2327 Figure 2, is used, all readings on Att. 3, have come from RIA-2327 CRITICAL STEP Proc. Step TASK ELEMENT 11 STANDARD Grade Calculate the noble gas release tare (QN) as follows:
QN (Ci/s) = Net stack gas monitor reading 14 to 16 Ci/s entered on #8. QN, Noble Gas 3
5.3b (mr/hr) x stack gas flow rate (m /s) x release rate S U conversion factor Record the results on Att. 3 Comment:
CRITICAL STEP PALISADES NUCLEAR PLANT Page 7 of 10 JULY 2008
JPM SRO-ADMIN 4 Proc. Step TASK ELEMENT 12 STANDARD Grade Calculate the Iodine release rate (QI) as follows:
QI = QN x (1.0 E-3) 0.014 to 0.016 Ci/s entered on #9. QI, Iodine 5.3c S U release rate Record results on Att. 3 Comment:
CRITICAL STEP Proc. Step TASK ELEMENT 13 STANDARD Grade Date, Time, and Sign Att. 3 of EI-6.1 EI 6.1, Att. 3, signed, dated with time and n/a Completed form given to SED turned over to the SED S U Comment:
CRITICAL STEP END OF TASK PALISADES NUCLEAR PLANT Page 8 of 10 JULY 2008
JPM SRO-ADMIN 4 CANDIDATE CUE SHEET (TO BE RETURNED TO EXAMINER TO UPON COMPLETION OF TASK)
INITIAL CONDITIONS:
- A plant trip occurred 7 hour8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> ago
- A radioactive release is currently in progress via the plant stack
- RGEM is operable and RIA-2326, normal range noble gas stack monitor, has been in high alarm
- No indications of fuel failure exist
- The IBM PC Automated Dose Assessment Program Offsite is not available
- The PPC is not available
- RMC has verified stack activity is consistent with the Radiation Monitor reading
- There is currently a blizzard outside
- A Site Area Emergency has been declared
- The SED will review EI-6.13 to determine any additional requirements, and assign other personnel to complete and process EI-3 notification forms INITIATING CUES:
- The SED has directed you to determine the Stack Release Rate per Section 6.2.1 of EI-6.0 and turn in Stack Release Rate Worksheet , Attachment 3 of EI-6.1 to SED PALISADES NUCLEAR PLANT Page 9 of 10 JULY 2008
Proc No EI-6.1 Attachment 3 Revision 7 Page 1 of 1 STACK RELEASE RATE WORKSHEET
- 1. Time Since Reactor Shutdown = _______7_____ hours
- 2. Current stack gas monitor reading = _____9.9___ cpm or RIA-2326 ( )
(circle units) mrem/hr RIA-2327 ( X
)
- 3. Stack monitor background reading = _____0.5______ cpm or (circle units) mrem/hr
- 4. Net stack reading = ___9.4_ cpm or (circle units) mrem/hr
- 5. Stack gas flow rate = ___82000______ ft3/min
- 6. Stack gas flow rate
(#5) ft3/min x 4.72 E-4 m3/sec = ___38.704______ m3/s 3
ft /min
- 7. Conversion factor = _0.04____ Ci/m3 or Ci/m 3
cpm mrem/hr (circle units)
- 8. QN, Noble Gas release rate =
(#4) x (#6) x (#7) = 14 to 16 Ci/s
- 9. QI, Iodine release rate = (#8) x (1.0 E-3) = 0.014 to 0.016 Ci/s Date: _TODAY____ Time: __NOW__ Completed By: __Joe Operator_________
ANSWER KEY ANSWER KEY ANSWER KEY ANSWER KEY PALISADES NUCLEAR PLANT Page 10 of 10 JULY 2008