ML15211A005
ML15211A005 | |
Person / Time | |
---|---|
Site: | Calvert Cliffs ![]() |
Issue date: | 08/17/2015 |
From: | Alexander Chereskin Plant Licensing Branch 1 |
To: | George Gellrich Exelon Generation Co, Exelon Nuclear |
Chereskin A | |
References | |
TAC MF4065, TAC MF4066 | |
Download: ML15211A005 (147) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 August 17, 2015 Mr. Bryan C. Hanson President and Chief Nuclear Officer Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555
SUBJECT:
CALVERT CLIFFS NUCLEAR POWER PLANT, UNIT NOS. 1AND2 -
ISSUANCE OF AMENDMENT RE: ADOPTION OF TSTF-425, RELOCATE SPECIFIC SURVEILLANCE FREQUENCIES TO A LICENSEE CONTROLLED PROGRAM (TAC NOS. MF4065 and MF4066)
Dear Mr. Hanson:
The U.S. Nuclear Regulatory Commission (NRC) has issued the enclosed Amendment No. 314 to Renewed Facility Operating License No. DPR-53, and Amendment No. 292 to Renewed Facility Operating License No. DPR-69 for the Calvert Cliffs Nuclear Power Plant, Unit Nos. 1 and 2, respectively. These amendments consist of changes to the Technical Specifications
{TSs) in response to your application transmitted by letter dated May 1, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14125A015), as supplemented by letters dated May 1, 2015 (ADAMS Accession No. ML15126A041 ), and July 30, 2015 (ADAMS Accession No. ML15212A902).
These amendments revise the TSs to require that changes to specific surveillance frequencies will be made in accordance with Nuclear Energy Institute 04-10, Revision 1, "Risk-Informed Technical Specifications Initiative Sb, Risk-Informed Method for Control of Surveillance Frequencies" (ADAMS Accession No. ML071360456). The change is the adoption of NRG-approved Technical Specification Task Force (TSTF) Standard Technical Specifications Change Traveler TSTF-425, Revision 3, "Relocate Surveillance Frequencies to Licensee Control - RITSTF [Risk-Informed TSTF] Initiative 5b" (ADAMS Accession No. ML090850642).
The Federal Register (FR) notice published on July 6, 2009 (74 FR 31996), announced the availability of TSTF-425, Revision 3.
A copy of the related Safety Evaluation is enclosed. A Notice of Issuance will be included in the Commission's next regular biweekly Federal Register notice.
Sincerely, Alexander N. Chereskin, Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-317 and 50-318
Enclosures:
- 1. Amendment No. 314 to DPR-53
- 2. Amendment No. 292 to DPR-69
- 3. Safety Evaluation cc w/encls: Distribution via Listserv
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 AMENDMENT TO RENEWED FACILITY OPERATING LICENSE CALVERT CLIFFS NUCLEAR POWER PLANT. UNIT 1 CALVERT CLIFFS NUCLEAR POWER PLANT. LLC EXELON GENERATION COMPANY. LLC DOCKET NO. 50-317 Amendment No. 314 Renewed License No. DPR-53
- 1. The Nuclear Regulatory Commission (the Commission) has found that:
A The application for amendment by Exelon Generation Company, LLC (Exelon, the licensee), dated May 1, 2014, as supplemented by letters dated May 1, 2015, and July 30, 2015, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Commission's rules and regulations set forth in 10 CFR Chapter I; B. The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission; C. There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations; D. The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and E. The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.
- 2. Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and paragraph 2.C.(2) of Renewed Facility Operating License No. DPR-53 is hereby amended to read as follows:
Enclosure 1
(2) Technical Specifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No. 314, are hereby incorporated into this license. Exelon Generation shall operate the facility in accordance with the Technical Specifications.
- 3. This license amendment is effective as of the date of its issuance and shall be implemented within 120 days.
FOR THE NUCLEAR REGULATORY COMMISSION Michael Dudek, Acting Chief Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation
Attachment:
Changes to the License and Technical Specifications Date of lssuance:August 17, 201 5
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 AMENDMENT TO RENEWED FACILITY OPERATING LICENSE CALVERT CLIFFS NUCLEAR POWER PLANT. UNIT 2 CALVERT CLIFFS NUCLEAR POWER PLANT. LLC EXELON GENERATION COMPANY. LLC DOCKET NO. 50-318 Amendment No. 292 Renewed License No. DPR-69
- 1. The Nuclear Regulatory Commission (the Commission) has found that:
A. The application for amendment by Exelon Generation Company, LLC (Exelon, the licensee), dated May 1, 2014, as supplemented by letters dated May 1, 2015, and July 30, 2015, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Commission's rules and regulations set forth in 10 CFR Chapter I; B. The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission; C. There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations; D. The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and E. The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.
- 2. Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and paragraph 2.C.(2) of Renewed Facility Operating License No. DPR-69 is hereby amended to read as follows:
Enclosure 2
(2) Technical Specifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No. 292, are hereby incorporated into this license. The licensee shall operate the facility in accordance with the Technical Specifications.
- 3. This license amendment is effective as of the date of its issuance and shall be implemented within 120 days.
FOR THE NUCLEAR REGULA TORY COMMISSION
~ i/f?~
Michael Dudek, Acting Chief Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation
Attachment:
Changes to the License and Technical Specifications Date of lssuance:August 17, 2015
ATTACHMENT TO LICENSE AMENDMENTS AMENDMENT NO. 314 TO RENEWED FACILITY OPERATING LICENSE NO. DPR-53 AMENDMENT NO. 292 TO RENEWED FACILITY OPERATING LICENSE NO. DPR-69 DOCKET NOS. 50-317 AND 50-318 Replace the following pages of the Renewed Facility Operating Licenses with the attached revised pages. The revised pages are identified by amendment number and contain marginal lines indicating the areas of change.
Remove Pages Insert Pages 3 3 Replace the following pages of the Appendix A Technical Specifications with the attached revised pages. The revised pages are identified by amendment number and contain marginal lines indicating the areas of change.
Remove Pages Insert Pages 1.1-6 1.1-6 5.5-20 5.5-20 3.1.1-3 3.1.1-3 3.1.4-3 3.1.4-3 3.1.4-4 3.1.4-4 3.1.5-2 3.1.5-2 3.1.6-3 3.1.6-3 3.1.7-2 3.1.7-2 3.1.8-2 3.1.8-2 3.2.1-2 3.2.1-2 3.2.1-3 3.2.1-3 3.2.3-2 3.2.3-2 3.2.4-2 3.2.4-2 3.2.5-1 3.2.5-1 3.3.1-5 3.3.1-5 3.3.1-6 3.3.1-6 3.3.1-7 3.3.1-7 3.3.1-8 3.3.1-8 3.3.2-4 3.3.2-4 3.3.3-2 3.3.3-2 3.3.3-3 3.3.3-3 3.3.4-4 3.3.4-4 3.3.5-3 3.3.5-3 3.3.6-3 3.3.6-3 3.3.7-2 3.3.7-2 3.3.7-3 3.3.7-3
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Remove Pages Insert Pages 3.6.6-4 3.6.6-4 3.6.8-2 3.6.8-2 3.7.3-4 3.7.3-4 3.7.3-5 3.7.3-5 3.7.4-2 3.7.4-2 3.7.5-2 3.7.5-2 3.7.6-2 3.7.6-2 3.7.6-3 3.7.6-3 3.7.7-2 3.7.7-2 3.7.8-5 3.7.8-5 3.7.9-2 3.7.9-2 3.7.11-2 3.7.11-2 3.7.12-2 3.7.12-2 3.7.13-1 3.7.13-1 3.7.14-1 3.7.14-1 3.7.16-1 3.7.16-1 3.7.18-2 3.7.18-2 3.8.1-10 3.8.1-10 3.8.1-11 3.8.1-11 3.8.1-12 3.8.1-12 3.8.1-13 3.8.1-13 3.8.1-14 3.8.1-14 3.8.1-15 3.8.1-15 3.8.1-16 3.8.1-16 3.8.1-17 3.8.1-17 3.8.3-4 3.8.3-4 3.8.3-5 3.8.3-5 3.8.4-2 3.8.4-2 3.8.4-3 3.8.4-3 3.8.4-4 3.8.4-4 3.8.6-3 3.8.6-3 3.8.6-4 3.8.6-4 3.8.7-2 3.8.7-2 3.8.8-2 3.8.8-2 3.8.9-2 3.8.9-2 3.8.10-2 3.8.10-2 3.9.1-1 3.9.1-1 3.9.2-2 3.9.2-2 3.9.3-2 3.9.3-2 3.9.4-3 3.9.4-3 3.9.5-4 3.9.5-4 3.9.5-5 3.9.5-5 3.9.6-1 3.9.6-1
Definitions 1.1 1.1 Definitions verification have been previously reviewed and approved by the NRC.
SHUTDOWN MARGIN (SOM) SOM shall be the instantaneous amount of reactivity by which the reactor is subcritical or would be subcritical from its present condition assuming all full length control element assemblies (CEAs) (shutdown and regulating) are fully inserted except for the single CEA of highest reactivity worth, which is assumed to be fully withdrawn. However, with all CEAs verified fully inserted by two independent means, it is not necessary to account for a stuck CEA in the SOM calculation. With any CEAs not capable of being fully inserted, the reactivity worth of these CEAs must be accounted for in the determination of SOM.
THERMAL POWER THERMAL POWER shall be the total reactor core heat transfer rate to the reactor coolant.
CALVERT CLIFFS - UNIT 1 1.1-6 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Programs and Manuals 5.5 5.5 Programs and Manuals the testing described in paragraph c. The unfiltered air inleakage limit for radiological challenges is the inleakage flow rate assumed in the licensing basis analyses of OBA consequences. Unfiltered air inleakage limits for hazardous chemicals must ensure that exposure of CRE occupants to these hazards will be within the assumptions in the licensing basis.
- f. The provisions of SR 3.0.2 are applicable to the Frequencies for assessing CRE habitability, determining CRE unfiltered inleakage, and assessing the CRE boundary as required by paragraphs c and d respectively.
5.5.18 Not Used 5.5.19 Surveillance Frequency Control Program This program provides controls for Surveillance Frequencies. The program shall ensure that Surveillance Requirements specified in the Technical Specifications are performed at intervals sufficient to assure the associated Limiting Conditions for Operation are met.
- a. The Surveillance Frequency Control Program shall contain a list of Frequencies of those Surveillance Requirements for which the Frequency is controlled by the program.
- b. Changes to the Frequencies listed in the Surveillance Frequency Control Program shall be made in accordance with NEI 04-10, "Risk-Informed Technical Specifications Initiative 5b, Risk Informed Method for Control of Surveillance Frequencies," Revision 1.
- c. The provisions of Surveillance Requirements 3.0.2 and 3.0.3 are applicable to the Frequencies established in the Surveillance Frequency Control Program.
CALVERT CLIFFS - UNIT 1 5.5-20 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SOM 3.1.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3 .1.1.1 Verify SDM is within limits specified in the In accordance COLR. with the Surveillance Frequency Control Program SR 3.1.1.2 -------------------NOTE-------------------
On l y required in MODE 5 with pressurizer level < 90 inches.
Verify Reactor Coolant System level is above Once within the bottom of the hot leg nozzles. 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> after achieving MODE 5 with pressurizer level
< 90 inches 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> thereafter CALVERT CLIFFS - UNIT 1 3.1.1-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CEA Alignment 3.1.4 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME F. Required Action and F.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time of Condition C, D, or E not met.
One or more CEAs untrippable.
Two or more CEAs misaligned by
> 15 inches.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3 .1. 4 .1 Verify the indicated position of each CEA to Within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> be within 7.5 inches of all other CEAs in following any its group. CEA movement of
> 7.5 inches In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.1.4-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CEA Alignment 3.1.4 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.1.4.2 Verify the CEA motion inhibit is OPERABLE. In accordance with the Surveillance Frequency Control Program SR 3.1.4.3 Verify the CEA deviation circuit is In accordance OPERABLE. with the Surveillance Frequency Control Program SR 3.1.4.4 Verify CEA freedom of movement In accordance (trippability) by moving each individual CEA with the that is not fully inserted into the reactor Surveillance core 7.5 inches in either direction. Frequency Control Program SR 3.1.4.5 Perform a CHANNEL FUNCTIONAL TEST of the In accordance reed switch position transmitter channel. with the Surveillance Frequency Control Program SR 3.1.4.6 Verify each CEA drop time is~ 3.1 seconds. Prior to reactor criticality, after each removal of the reactor head CALVERT CLIFFS - UNIT 1 3.1.4-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Shutdown CEA Insertion Limits 3.1.5 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. One shutdown CEA B.1 Restore shutdown 2 hours0.0833 days <br />0.0119 weeks <br />0.00274 months <br /> withdrawn CEA(s) to within
~ 121.5 inches and limit.
< 129 inches for
> 7 days per occurrence or
> 14 days per 365 days.
One shutdown CEA withdrawn
< 121.5 inches.
Two or more shutdown CEAs not within limit.
C. Required Action and C.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3 .1. 5 .1 Verify each shutdown CEA is withdrawn In accordance
~ 129 inches. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.1.5-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Regulating CEA Insertion Limits 3.1.6 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3 .1. 6 .1 Verify each regulating CEA group position is In accordance within its insertion limits. with the Surveillance Frequency Control Program SR 3 .1. 6. 2 Verify the accumulated times during which In accordance the regulating CEA groups are inserted with the beyond the steady state insertion limits, Surveillance but within the transient insertion limits. Frequency Control Program SR 3 .1. 6. 3 Verify power dependent insertion limit alarm In accordance circuit is OPERABLE. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.1.6-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
STE-SOM 3.1. 7 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME A. (Continued)
All CEAs inserted and the reactor subcritical by less than the above shutdown reactivity equivalent.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1. 7.1 Verify that the position of each CEA not In accordance fully inserted is within the acceptance with the criteria for available negative reactivity Surveillance addition. Frequency Control Program SR 3.1. 7.2 -------------------NOTE-------------------
Not required to be performed during initial power escalation following a refueling outage if SR 3.1.4.6 has been met.
Verify that each CEA not fully inserted is Once within capable of full insertion when tripped from 7 days prior to at least the 50% withdrawn position. reducing SOM to less than the limits of LCO 3.1.1 CALVERT CLIFFS - UNIT 1 3.1.7-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
STE-MODES 1 and 2 3.1.8 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.1 Suspend PHYSICS 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> associated Completion TESTS.
Time not met.
AND B.2 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.8.1 Verify THERMAL POWER is equal to or less In accordance than the test power plateau. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.1.8-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
LHR 3.2.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.1 Be in MODE 2. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met.
SURVEILLANCE REQUIREMENTS
NOTE-------------------------------------
Ei ther the Excore Detector Monitoring System or the Incore Detector Monitoring System shall be used to determine LHR.
SURVEILLANCE FREQUENCY SR 3. 2 .1.1 Deleted SR 3.2.1.2 -------------------NOTE-------------------
On l y applicable when the Excore Detector Monitoring System is being used to determine LHR.
Verify ASI alarm setpoints are within the In accordance limits specified in the COLR. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.2.1-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
LHR 3.2.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3. 2.1. 3 ------------------NOTES------------------
- 1. Only applicable when the Incore Detector Monitoring System is being used to determine LHR.
- 2. Not required to be performed below 20% RTP.
Verify incore detector local power density In accordance alarms satisfy the requirements of the core with the power distribution map, which shall be Surveillance updated at least once per 31 days of Frequency accumulated operation in MODE 1. Control Program SR 3.2.1.4 ------------------NOTES------------------
- 1. Only applicable when the Incore Detector Monitoring System is being used to determine LHR.
- 2. Not required to be performed below 20% RTP.
Verify incore detector local power density In accordance alarm setpoints are less than or equal to with the the limits specified in the COLR. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.2.1-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
F~
3.2.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.2.3.1 -------------------NOTE-------------------
F~ shall be determined by using the incore detectors to obtain a power distribution map with all full length control element assemblies at or above the long-term steady state insertion limit as specified in the COLR.
Prior to Verify the value of F~ . operation
> 70% RTP after each fuel loading In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.2.3-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Tq 3.2.4 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.2.4.1 Verify Tq is within limits. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.2.4-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
ASI 3.2.5 3.2 POWER DISTRIBUTION LIMITS 3.2.5 AXIAL SHAPE INDEX (ASI)
LCO 3.2.5 The ASI shall be maintained within the limits specified in the COLR.
APPLICABILITY: MODE 1 with THERMAL POWER > 20% RTP.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. ASI not within A. l Restore ASI to within 2 hours0.0833 days <br />0.0119 weeks <br />0.00274 months <br /> limits. limits.
B. Required Action and B.l Reduce THERMAL POWER 4 hours0.167 days <br />0.0238 weeks <br />0.00548 months <br /> associated Completion to ~ 20% RTP.
Time not met.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.2.5.l Verify ASI is within limits specified in the In accordance COLR. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.2.5-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RPS Instrumentation-Operating 3.3.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME F. Required Action and F.1 Reduce THERMAL POWER 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion to < 15% RTP.
Time not met for Axial Power Distribution-High and Loss of Load Trip Functions.
G. Required Action and G.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met except for Axial Power Distribution-High and Loss of Load Trip Functions.
SURVEILLANCE REQUIREMENTS
NOTE-------------------------------------
Refer to Table 3.3.1-1 to determine which Surveillance Requirement shall be performed for each RPS Function.
SURVEILLANCE FREQUENCY SR 3. 3.1.1 Perform a CHANNEL CHECK of each RPS In accordance instrument channel except Loss of Load. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.1-5 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RPS Instrumentation-Operating 3.3.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3. 3 .1. 2 ------------------NOTES------------------
- 1. Not required to be performed until 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> after THERMAL POWER is
~ 15% RTP.
- 2. The daily calibration may be suspended during PHYSICS TESTS, provided the calibration is performed upon reaching each major test power plateau, and prior to proceeding to the next major test power plateau.
Perform a calibration (heat balance only) In accordance and adjust the excore power range and ~T with the power channels to agree with calorimetric Surveillance calculation if the absolute difference is Frequency
~ 1. 5%. Control Program SR 3.3.1.3 -------------------NOTE-------------------
Not required to be performed until 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> after THERMAL POWER is ~ 20% RTP and required to be performed prior to operation above 90% RTP.
Calibrate the power range excore channels In accordance using the incore detectors. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.1-6 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RPS Instrumentation-Operating 3.3.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.3.1.4 Perform a CHANNEL FUNCTIONAL TEST of each In accordance RPS instrument channel except Loss of Load with the and Rate of Change of Power-High. Surveillance Frequency Control Program SR 3.3.1.5 -------------------NOTE-------------------
Neutron detectors are excluded from CHANNEL CALI BRA TI ON.
Perform a CHANNEL CALIBRATION on excore In accordance power range channels. with the Surveillance Frequency Control Program SR 3.3.1.6 Perform a CHANNEL FUNCTIONAL TEST of each Once within Rate of Change of Power-High and Loss of 7 days prior to Load instrument channel. each reactor startup SR 3. 3 .1. 7 Perform a CHANNEL FUNCTIONAL TEST on each In accordance automatic bypass removal feature. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.1-7 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RPS Instrumentation-Operating 3.3.1 SURVEILLANCE REQUIREMENTS {continued)
SURVEILLANCE FREQUENCY SR 3.3.1.8 -------------------NOTE-------------------
Neutron detectors are excluded from CHANNEL CALIBRATION.
Perform a CHANNEL CALIBRATION of each In accordance instrument channel, including applicable with the automatic bypass removal functions. Surveillance Frequency Control Program SR 3.3.1.9 -------------------NOTE-------------------
Neut ron detectors are excluded from RPS RESPONSE TIME testing.
Verify RPS RESPONSE TIME is within limits. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.1-8 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RPS Instrumentation-Shutdown 3.3.2 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.2.1 Perform a CHANNEL CHECK of each Wide Range In accordance Logarithmic Neutron Flux Monitor. with the Surveillance Frequency Control Program SR 3.3.2.2 Perform a CHANNEL FUNCTIONAL TEST on the Once within Rate of Change of Power trip instrument 7 days prior to channel. The allowable value shall be each reactor
- 2. 6 dpm. startup SR 3.3.2.3 Perform a CHANNEL FUNCTIONAL TEST on each In accordance automatic bypass removal feature. with the Surveillance Frequency Control Program SR 3.3.2.4 -------------------NOTE-------------------
Neutron detectors are excluded from CHANNEL CALI BRAT ION.
Perform a CHANNEL CALIBRATION, including In accordance automatic bypass removal features. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.2-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RPS Logic and Trip Initiation 3.3.3 ACTIONS {continued)
CONDITION REQUIRED ACTION COMPLETION TIME D. Two channels of RTCBs D.1 Open the affected Immediately or Trip Path Logic RTCBs.
affecting the same trip leg inoperable.
E. Required Action and E.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time of Condition A, AND B, or D not met.
E.2 Open all RTCBs. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> OR One or more Functions with two or more Manual Trip, Matrix Logic, Trip Path Logic, or RTCB channels inoperable for reasons other than Condition A or D.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.3.1 Perform a CHANNEL FUNCTIONAL TEST on each In accordance RTCB channel. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.3-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RPS Logic and Trip Initiation 3.3.3 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.3.3.2 Perform a CHANNEL FUNCTIONAL TEST on each In accordance RPS Logic channel. with the Surveillance Frequency Control Program SR 3.3.3.3 Perform a CHANNEL FUNCTIONAL TEST on each Once within RPS Manual Trip channel. 7 days prior to each reactor startup CALVERT CLIFFS - UNIT 1 3.3.3-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
ESFAS Instrumentation 3.3.4 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.4.1 Perform a CHANNEL CHECK of each ESFAS sensor In accordance channel. with the Surveillance Frequency Control Program SR 3.3.4.2 Perform a CHANNEL FUNCTIONAL TEST of each In accordance ESFAS sensor channel. with the Surveillance Frequency Control Program SR 3.3.4.3 Perform a CHANNEL FUNCTIONAL TEST on each In accordance automatic block removal feature. with the Surveillance Frequency Control Program SR 3.3.4.4 Perform a CHANNEL CALIBRATION of each ESFAS In accordance sensor channel, including automatic block with the removal feature. Surveillance Frequency Control Program SR 3.3.4.5 Verify ESF RESPONSE TIME is within limits. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.4-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
ESFAS Logic and Manual Actuation 3.3.5 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.5.1 ------------------NOTES------------------
- 1. Testing of Actuation Logic shall include verification of the proper relay driver output signal.
- 2. Relays associated with plant equipment that cannot be operated during plant operation are only required to be tested once per 24 months.
Perform a CHANNEL FUNCTIONAL TEST on each In accordance ESFAS Actuation Logic channel. with the Surveillance Frequency Control Program SR 3.3.5.2 Perform a CHANNEL FUNCTIONAL TEST on each In accordance ESFAS Manual Actuation channel. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.5-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
DG-LOVS 3.3.6 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME D. Required Action and D.1 Enter applicable Immediately associated Completion Conditions and Time not met. Required Actions for the associated DG made inoperable by DG-LOVS instrumentation.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.6.1 Perform CHANNEL FUNCTIONAL TEST. In accordance with the Surveillance Frequency Control Program SR 3.3.6.2 Perform CHANNEL. CALIBRATION with setpoint In accordance Allowable Values as follows: with the Surveillance
- 1. Transient Degraded Voltage Function Frequency
~ 3630 V and ~ 3790 V; Control Program Time Delay: ~ 7.6 seconds and
~ 8.4 seconds;
- 2. Steady State Degraded Voltage Function
~ 3820 V and ~ 3980 V Time Delay: ~ 97.5 seconds and
~ 104.5 seconds; and
- 3. Loss of voltage Function ~ 2345 V and
~ 2555 v Time Delay: ~ 1.8 seconds and
~ 2.2 seconds at 2450 V.
CALVERT CLIFFS - UNIT 1 3.3.6-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CRS 3.3.7 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. One required Manual B.1 Place and maintain Immediately Actuation channel or containment purge and Actuation Logic exhaust valves in channel inoperable. closed position.
OR More than one B.2 Enter applicable Immediately radiation monitor Conditions and sensor module or Required Actions for associated affected valves of measurement channel LCO 3.9.3, inoperable. 11 Containment Penetrations, made 11 OR inoperable by isolation Required Action and instrumentation.
associated Completion Time of Condition A not met.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.7.1 Perform a CHANNEL CHECK on each containment In accordance radiation monitor sensor. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.7-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CRS 3.3.7 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.3.7.2 -------------------NOTE-------------------
Test i ng of Actuation Logic shall include verification of the proper relay driver output signal .
Perform a CHANNEL FUNCTIONAL TEST on each In accordance CRS Actuation Logic channel. with the Surveillance Frequency Control Program SR 3.3.7.3 Perform a CHANNEL FUNCTIONAL TEST on each In accordance containment radiation monitor sensor. with the Surveillance Verify CRS high radiation setpoint is less Frequency than or equal to the Allowable Value of Control Program 220 mR/hr.
SR 3.3.7.4 Perform a CHANNEL CALIBRATION on each In accordance containment radiation monitor instrument with the channel. Surveillance Frequency Control Program SR 3.3.7.5 Perform a CHANNEL FUNCTIONAL TEST on each In accordance CRS Manual Actuation channel. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.7-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CRS 3.3.7 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.3.7.6 Verify CRS response time is within limits. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.7-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CRRS 3.3.8 ACTIONS {continued)
CONDITION REQUIRED ACTION COMPLETION TIME C. CRRS trip circuit or C.1 Place one Control Immediately measurement channel Room Emergency inoperable during Ventilation System movement of train in irradiated fuel recirculation mode assemblies. with post-loss-of-coolant incident filter fan in service.
C.2 Suspend movement of Immediately irradiated fuel assemblies.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.8.1 Perform a CHANNEL CHECK on the control room In accordance radiation monitor channel. with the Surveillance Frequency Control Program SR 3.3.8.2 Perform a CHANNEL FUNCTIONAL TEST on the In accordance CRRS radiation monitor trip circuit and with the measurement channel. Surveillance Frequency Verify CRRS high radiation setpoint is less Control Program than or equal to the Allowable Value of 6E4 cpm above normal background.
CALVERT CLIFFS - UNIT 1 3.3.8-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CRRS 3.3.8 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.3.8.3 Perform a CHANNEL CALIBRATION on the CRRS In accordance radiation monitor trip circuit and with the measurement channel. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.8-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CVCS Isolation Signal 3.3.9 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME
- c. Two CVCS isolation C.1 Place one sensor 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> sensor modules or module in bypass and associated place the other measurement channels sensor module in inoperable. trip.
AND C.2 Restore one sensor 48 hours2 days <br />0.286 weeks <br />0.0658 months <br /> module and associated measurement channel to OPERABLE status.
D. Required Action and D.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met. AND D.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.9.1 Perform a CHANNEL CHECK of each sensor In accordance channel. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.9-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CVCS Isolation Signal 3.3.9 SURVEILLANCE REQUIREMENTS {continued)
SURVEILLANCE FREQUENCY SR 3.3.9.2 ------------------NOTES------------------
- 1. Testing of Actuation Logic shall include the verification of the proper relay driver output signal.
- 2. Relays associated with plant equipment that cannot be operated during plant operation are only required to be tested once per 24 months.
Perform a CHANNEL FUNCTIONAL TEST on each In accordance eves sensor channel with setpoints in with the accordance with the following Allowable Surveillance Values: Frequency Control Program West Penetration Room Pressure-High ~ 0.5 psig Letdown Heat Exchanger Room Pressure-High ~ 0.5 psig SR 3.3.9.3 Perform a CHANNEL CALIBRATION on each CVCS In accordance sensor channel. with the Surveillance Frequency Control Program SR 3.3.9.4 Verify CVCS Isolation Signal response time In accordance is within limits. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.9-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
PAM Instrumentation 3.3.10 SURVEILLANCE REQUIREMENTS
NOTE-------------------------------------
These Surveillance Requirements apply to each PAM instrumentation Function in Table 3.3.10-1.
SURVEILLANCE FREQUENCY SR 3.3.10.1 Perform CHANNEL CHECK for each required In accordance indication channel that is normally with the energized. Surveillance Frequency Control Program SR 3.3.10.2 Deleted SR 3.3.10.3 -------------------NOTE-------------------
Neut ron detectors, Core Exit Thermocouples, and Reactor Vessel Level Monitoring System are excluded from CHANNEL CALIBRATION.
Perform CHANNEL CALIBRATION on each In accordance indication channel. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.10-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Remote Shutdown Instrumentation 3.3.11 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.11.1 Perform CHANNEL CHECK for each required In accordance indication channel that is normally with the energized. Surveillance Frequency Control Program SR 3. 3 .11. 2 -------------------NOTE-------------------
Neut ron detectors and Reactor Trip Breaker Indication are excluded from the CHANNEL CALIBRATION.
Perform CHANNEL CALIBRATION for each In accordance required indication channel. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.11-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Wide Range Logarithmic Neutron Flux Monitor Channels 3.3.12 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.12.1 Perform CHANNEL CHECK. In accordance with the Surveillance Frequency Control Program SR 3.3.12.2 Perform CHANNEL FUNCTIONAL TEST. Once within 7 days prior to each reactor startup SR 3.3.12.3 -------------------NOTE-------------------
Neutron detectors are excluded from CHANNEL CALIBRATION.
Perform CHANNEL CALIBRATION. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.3.12-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Pressure, Temperature, and Flow DNB Limits 3.4.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.1.1 Verify pressurizer pressure is within the In accordance limits specified in the COLR. with the Surveillance Frequency Control Program SR 3.4.1.2 Verify RCS cold leg temperature is within In accordance the limits specified in the COLR. with the Surveillance Frequency Control Program SR 3.4.1.3 Verify RCS total flow rate is greater than In accordance or equal to the limits specified in the with the COLR. Surveillance Frequency Control Program SR 3.4.1.4 Verify measured RCS total flow rate is In accordance within the limits specified in the COLR. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.1-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS P/T Limits 3.4.3 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. (Continued) B.2 Be in MODE 5 with 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> RCS pressure
< 300 psia.
- c. ---------NOTE------- C.1 Initiate action to Immediately Required Action C.2 restore parameter(s) shall be completed to within limits.
whenever this Condition is entered. AND C.2 Determine RCS is Prior to Requirements of acceptable for entering MODE 4 Limiting Condition continued operation.
for Operation not met any time in other than MODE 1, 2, 3, or 4.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.3.1 -------------------NOTE-------------------
Only required to be performed during RCS heatup and cooldown operations and RCS inservice leak and hydrostatic testing.
Verify RCS pressure, RCS temperature, and In accordance RCS heatup and cooldown rates are within with the limits specified in Figures 3.4.3-1 and Surveillance 3.4.3-2. Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.3-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Loops - MODES 1 and 2 3.4.4 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.4 RCS Loops - MODES 1 and 2 LCO 3.4.4 Two RCS loops shall be OPERABLE and in operation.
APPLICABILITY: MODES 1 and 2.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Requirements of A.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> Limiting Condition of Operation not met.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.4.1 Verify each RCS loop is in operation. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.4-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Loops - MODE 3 3.4.5 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One required RCS loop A.1 Restore required RCS 72 hours3 days <br />0.429 weeks <br />0.0986 months <br /> inoperable. loop to OPERABLE status.
B. Required Action and B.1 Be in MODE 4. 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> associated Completion Time of Condition A not met.
- c. No RCS loop OPERABLE. C.1 Suspend operations Immediately that would cause OR introduction of coolant into the RCS No RCS loop in with boron operation. concentration less than required to meet the SOM of LCO 3.1.1.
AND C.2 Initiate action to Immediately restore one RCS loop to OPERABLE status and operation.
CALVERT CLIFFS - UNIT 1 3.4.5-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Loops - MODE 3 3.4.5 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.5.1 Verify required RCS loop is in operation. In accordance with the Surveillance Frequency Control Program SR 3.4.5.2 Verify secondary side water level in each In accordance steam generator > -50 inches. with the Surveillance Frequency Control Program SR 3.4.5.3 Verify correct breaker alignment and In accordance indicated power available to the required with the pump that is not in operation. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.5-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Loops - MODE 4 3.4.6 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.6.1 Verify one RCS or SOC loop is in operation. In accordance with the Surveillance Frequency Control Program SR 3.4.6.2 Verify secondary side water level in In accordance required steam generator(s) is > -50 inches. with the Surveillance Frequency Control Program SR 3.4.6.3 Verify correct breaker alignment and In accordance indicated power available to the required with the loop components that are not in operation. Surveillance Frequency Control Program SR 3.4.6.4 -------------------NOTE-------------------
Not required to be performed until 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> after entering MODE 4.
Verify required SOC train locations 31 days susceptible to gas accumulation are sufficiently filled with water.
CALVERT CLIFFS - UNIT 1 3.4.6-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Loops - MODE 5, Loops Filled 3.4.7 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.7.1 Verify one SDC loop is in operation. In accordance with the Surveillance Frequency Control Program SR 3.4.7.2 Verify required SG secondary side water In accordance level is > -50 inches. with the Surveillance Frequency Control Program SR 3.4.7.3 Verify correct breaker alignment and In accordance indicated power available to the required with the SDC loop components that are not in Surveillance operation. Frequency Control Program SR 3.4.7.4 Verify required SDC train locations 31 days susceptible to gas accumulation are sufficiently filled with water.
CALVERT CLIFFS - UNIT 1 3.4.7-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Loops - MODE 5, Loops Not Filled 3.4.8 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. Required SOC loops B.l Suspend operations Immediately inoperable. that would cause introduction of coolant into the RCS with boron No SOC loop in concentration less operation. than required to meet the SOM of LCO 3.1.1.
AND B.2 Initiate action to Immediately restore one SOC loop to OPERABLE status and operation.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.8.1 Verify one SOC loop is in operation. In accordance with the Surveillance Frequency Control Program SR 3.4.8.2 Verify correct breaker alignment and In accordance indicated power available to the required with the SOC loop components that are not in Surveillance operation. Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.8-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Loops - MODE 5, Loops Not Filled 3.4.8 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.4.8.3 Verify SOC train locations susceptible to 31 days gas accumulation are sufficiently filled with water.
CALVERT CLIFFS - UNIT 1 3.4.8-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Pressurizer 3.4.9 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME
- c. --------NOTE -------- C.1 Restore at least one 24 hours1 days <br />0.143 weeks <br />0.0329 months <br /> Not applicable when bank of required second bank of pressurizer heaters pressurizer heaters to OPERABLE status.
intentionally made inoperable.
Two required banks of pressurizer heaters inoperable.
D. Required Action and D.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time of Condition B AND or C not met.
D.2 Be in Mode 4. 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.9.1 Verify pressurizer water level is In accordance
~ 133 inches and ~ 225 inches. with the Surveillance Frequency Control Program SR 3.4.9.2 Verify capacity of each required bank of In accordance pressurizer heaters ~ 150 kW. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.9-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Pressurizer PORVs 3.4.11 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME E. Two block valves E. l Place associated 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> inoperable. PORVs in override closed.
AND E.2 Restore one block 72 hours3 days <br />0.429 weeks <br />0.0986 months <br /> valve to OPERABLE status.
F. Required Action and F.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met. AND F.2 Reduce any RCS cold 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> leg temperature s 365°F (Unit 1),
s 301°F (Unit 2).
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.11.1 Perform a CHANNEL FUNCTIONAL TEST of each In accordance PORV. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.11-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Pressurizer PORVs 3.4.11 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.4.11.2 -------------------NOTE-------------------
Not required to be performed with block valve closed in accordance with the Required Actions of this Limiting Condition for Operation.
In accordance Perform a complete cycle of each block with the valve. Surveillance Frequency Control Program SR 3 .4.11. 3 Perform a complete cycle of each PORV. In accordance with the Surveillance Frequency Control Program SR 3.4.11.4 Perform a CHANNEL CALIBRATION of each PORV. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.11-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
LTOP System 3.4.12 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.12.1 Verify a maximum of one HPSI pump is only In accordance capable of manually injecting into the RCS. with the Surveillance Frequency Control Program SR 3.4.12.2 Verify HPSI loop MOVs are only capable of In accordance manually aligning HPSI pump flow to the RCS. with the Surveillance Frequency Control Program SR 3.4.12.3 Verify required RCS vent is open. In accordance with the Surveillance Frequency Control Program SR 3.4.12.4 Verify PORV block valve is open for each In accordance required PORV. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.12-5 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
LTOP System 3.4.12 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.4.12.5 -------------------NOTE-------------------
Not required to be performed until 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> after decreasing any RCS cold leg temperature to~ 365°F (Unit 1), ~ 301°F (Unit 2).
Perform CHANNEL FUNCTIONAL TEST on each In accordance required PORV, excluding actuation. with the Surveillance Frequency Control Program SR 3.4.12.6 Perform CHANNEL CALIBRATION on each required In accordance PORV actuation channel. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.12-6 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
LTOP System 3.4.12 t I
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140,: '21 PSIA
'21 PSIA 130 PSIA 352°1= 1370 PSIA 370°1= 1100 PSIA 0 100 200 300 400 500 100 ACTUAL REACTOR COOLANT TE*ERATURE Tc, of Figure 3.4-12-1 Calvert Cliffs Unit 1, for Fluence :-: ; 4.49xl0 19 n/cm2 Maximum PORV Opening Pressure vs Temperature CALVERT CLIFFS - UNIT 1 3.4.12-7 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
LTOP System 3.4.12 2500
- .
- . : :. l=:::: ~
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2000
. **~;
!:-=:~::
RCS TEMP. PZR PRESS.
~
,_ -~----~* 64°F 443 PSIA ..;..:
....
- __ t=.-J: .:=:.::.::. . _;
90°F 443 PSIA
~
170°F 515 PSIA
~
- l--lollll"'-.l 194°F 583 PSIA *=
,...=
240~ F 1
740 PSIA 500 260,0 f 835 PSIA
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3g4,0f 1250 PSIA
~
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.~. --r:-:~:.=:::-:=t 0 .
0 100 200 300 400 5~0 600 ACTUAL REACTOR COOLANT TEMPERATURE Tc, °F Figure 3.4-12-1 Calvert Cliffs Unit 2, for Fluence s 4.0xl0 19 n/cm 2 Maximum PORV Opening Pressure vs Temperature CALVERT CLIFFS - UNIT 1 3.4.12-8 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Operational LEAKAGE 3.4.13 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time of Condition A AND not met.
B.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> Pressure boundary LEAKAGE exists.
Primary to secondary LEAKAGE not within limit.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.13.1 ------------------ NOTES------------------
- 1. Not required to be performed until 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> after establishment of steady state operation.
- 2. Not applicable to primary to secondary LEAKAGE.
Verify RCS Operational LEAKAGE is within In accordance limits by performance of RCS water inventory with the balance. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.13-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Operational LEAKAGE 3.4.13 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.4.13.2 -------------------NOTE-------------------
Not required to be performed until 12 hours0.5 days <br />0.0714 weeks <br />0.0164 months <br /> after establishment of steady state operation.
Verify primary to secondary LEAKAGE is In accordance
~ 100 gallons per day through any one SG. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.13-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Leakage Detection Instrumentation 3.4.14 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME D. Required Action and D.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met. AND D.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> E. All required alarms E.1 Enter LCO 3.0.3. Immediately and monitors inoperable.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.14.1 Perform CHANNEL CHECK of the required In accordance containment atmosphere radioactivity with the monitor. Surveillance Frequency Control Program SR 3.4.14.2 Perform CHANNEL FUNCTIONAL TEST of the In accordance required containment atmosphere with the radioactivity monitor. Surveillance Frequency Control Program SR 3.4.14.3 Perform CHANNEL CALIBRATION of the required In accordance containment sump level alarm. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.14-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Leakage Detection Instrumentation 3.4.14 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.4.14.4 Perform CHANNEL CALIBRATION of the required In accordance containment atmosphere radioactivity with the monitor. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.14-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Specific Activity 3.4.15 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.1 Be in MODE 3 with 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Tavg < 500°F.
Time of Condition A not met.
OR DOSE EQUIVALENT I-131 in the unacceptable region of Figure 3.4.15-1.
- c. Gross activity of the C. l Be in MODE 3 with 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> reactor coolant not Tavg < 500°F.
within limit.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.15.1 Verify reactor coolant gross activity In accordance
~ 100/f µCi /gm. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.15-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RCS Specific Activity 3.4.15 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.4.15.2 -------------------NOTE-------------------
On ly required to be performed in MODE 1.
Verify reactor coolant DOSE EQUIVALENT I-131 In accordance specific activity ~ 0.5 µCi/gm. with the Surveillance Frequency Control Program Between 2 and 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> after THERMAL POWER change of
~ 15% RTP within a 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> period SR 3.4.15.3 -------------------NOTE-------------------
Not required to be performed until 31 days after a minimum of 2 effective full power days and 20 days of MODE 1 operation have elapsed since the reactor was last subcritical for~ 48 hours2 days <br />0.286 weeks <br />0.0658 months <br />.
Determine E from a sample taken in MODE 1 In accordance after a minimum of 2 effective full power with the days and 20 days of MODE 1 operation have Surveillance elapsed since the reactor was last Frequency subcritical for ~ 48 hours2 days <br />0.286 weeks <br />0.0658 months <br />. Control Program CALVERT CLIFFS - UNIT 1 3.4.15-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
STE-RCS Loops - MODE 2 3.4.16 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.16 Special Test Exception (STE) RCS Loops - MODE 2 LCO 3.4.16 The requirements of LCO 3.4.4, "RCS Loops-MODES 1 and 2," and the listed requirements of LCO 3.3.1, "Reactor Protective System (RPS) Instrumentation-Operating," for the Reactor Coolant Flow-Low, Thermal Margin/Low Pressure, and Asymmetric Steam Generator Transient Functions may be suspended provided:
- a. THERMAL POWER ~ 5% RTP; and
- b. The reactor trip setpoints of the OPERABLE Power Level-High channels are set ~ 15% RTP.
APPLICABILITY: MODE 2, during startup and PHYSICS TESTS.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. THERMAL POWER not A.1 Open reactor trip Immediately within limit. breakers.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.16.1 Verify THERMAL POWER ~ 5% RTP. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.16-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
STE RCS Loops - MODES 4 and 5 3.4.17 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more A.1 Suspend activities Immediately requirements of the being performed under Limiting Condition this Special Test for Operation not Exception.
met.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.17.1 Verify xenon reactivity is within limits. Once within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> prior to suspending the reactor coolant circulation requirements of LCO 3.4.6, LCO 3.4.7, and LCO 3.4.8 SR 3.4.17.2 Verify charging pumps de-energized. In accordance with the Surveillance Frequency Control Program SR 3.4.17.3 Verify charging flow paths isolated. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.17-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
STE RCS Loops - MODES 4 and 5 3.4.17 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.4.17.4 Perform SR 3.1.1.1. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.4.17-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SITs 3.5.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3. 5.1.1 Verify each SIT isolation valve is fully In accordance open. with the Surveillance Frequency Control Program SR 3. 5.1.2 Verify borated water volume in each SIT is In accordance
~ 1113 cubic feet (187 inches) and with the
~ 1179 cubic feet (199 inches). Surveillance Frequency Control Program SR 3. 5 .1. 3 Verify nitrogen cover pressure in each SIT In accordance is ~ 200 psig and ~ 250 psig. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.5.1-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SITS 3.5.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.5.1.4 Verify boron concentration in each SIT is In accordance
~ 2300 ppm and ~ 2700 ppm. with the Surveillance Frequency Control Program
NOTE Only required to be performed for affected SIT Once within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> prior to each solution volume increase of ~ 1% of tank volume SR 3.5.1.5 Verify power is removed from each SIT In accordance isolation valve operator when pressurizer with the pressure is ~ 2000 psig. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.5.1-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
ECCS - Operating 3.5.2 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.2.1 Verify the following valves are in the In accordance listed position with power to the valve with the operator removed. Surveillance Frequency Valve Number Position Function Control Program MOV-659 Open Mini-flow Isolation MOV-660 Open Mini-flow Isolation CV-306 Open Low Pressure Safety Injection Flow Control SR 3.5.2.2 -------------------NOTE-------------------
Not required to be met for system vent flow paths opened under administrative control.
Verify each ECCS manual, power-operated, and In accordance automatic valve in the flow path, that is with the not locked, sealed, or otherwise secured in Surveillance position, is in the correct position. Frequency Control Program SR 3.5.2.3 Verify each high pressure safety injection - In accordance and low pressure safety injection pump's with the developed head at the test flow point is Inservice greater than or equal to the required Testing Program developed head.
SR 3.5.2.4 Deleted CALVERT CLIFFS - UNIT 1 3.5.2-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
ECCS - Operating 3.5.2 SURVEILLANCE REQUIREMENTS {continued)
SURVEILLANCE FREQUENCY SR 3.5.2.5 Verify each ECCS automatic valve that is not In accordance locked, sealed, or otherwise secured in with the position, in the flow path actuates to the Surveillance correct position on an actual or simulated Frequency actuation signal. Control Program SR 3.5.2.6 Verify each ECCS pump starts automatically In accordance on an actual or simulated actuation signal. with the Surveillance Frequency Control Program SR 3.5.2.7 Verify each low pressure safety injection In accordance pump stops on an actual or simulated with the actuation signal. Surveillance Frequency Control Program SR 3.5.2.8 Verify, by visual inspection, each ECCS In accordance train containment sump suction inlet is not with the restricted by debris and the suction inlet Surveillance strainers show no evidence of structural Frequency distress or abnormal corrosion. Control Program SR 3.5.2.9 Verify the Shutdown Cooling System open- In accordance permissive interlock prevents the Shutdown with the Cooling System suction isolation valves from Surveillance being opened with a simulated or actual Frequency Reactor Coolant System pressure signal of Control Program 2 309 psia.
CALVERT CLIFFS - UNIT 1 3.5.2-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
ECCS - Operating 3.5.2 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.5.2.10 Verify ECCS locations susceptible to gas 31 days accumulation are sufficiently filled with water.
CALVERT CLIFFS - UNIT 1 3.5.2-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
RWT 3.5.4 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.4.1 -------------------NOTE-------------------
Only required to be performed when ambient air temperature is< 40°F.
Verify RWT borated water temperature is In accordance 2 40°F. with the Surveillance Frequency Control Program SR 3.5.4.2 ------------------ NOTES-------------------
- 1. Only required to be met in MODE 1.
- 2. Only required to be performed when ambient air temperature is> 100°F.
Verify RWT borated water temperature is In accordance
- 100°F. with the Surveillance Frequency Control Program SR 3.5.4.3 Verify RWT borated water volume is In accordance 2 400,000 gallons. with the Surveillance Frequency Control Program SR 3.5.4.4 Verify RWT boron concentration is 2 2300 ppm In accordance and
- :; 2700 ppm. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.5.4-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
STB 3.5.5 3.5 EMERGENCY CORE COOLING SYSTEM (ECCS) 3.5.5 Sodium Tetraborate (STB)
LCO 3.5.5 The STB baskets shall contain~ 13,750 lbm of STB.
APPLICABILITY: MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. STB not within A.1 Restore STB to within 72 hours3 days <br />0.429 weeks <br />0.0986 months <br /> limits. limits.
B. Required Action and B.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.5.1 Verify the STB baskets contain ~ 13,750 lbm In accordance of equivalent weight sodium tetraborate with the decahydrate. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.5.5-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
STB 3.5.5 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.5.5.2 Verify that a sample from the STB baskets In accordance provides adequate pH adjustment of water with the borated to be representative of a post-loss- Surveillance of-coolant accident sump condition. Frequency Control Program CALVERT CLIFFS - UNIT 1 3.5.5-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Containment Air Locks 3.6.2 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME D. Required Action and D.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met. AND D.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.2.1 ------------------NOTES------------------
- 1. An inoperable air lock door does not invalidate the previous successful performance of the overall air lock leakage test.
- 2. Results shall be evaluated against acceptance criteria applicable to SR 3. 6 .1.1.
Perform required air lock leakage rate In accordance testing in accordance with the Containment with the Leakage Rate Testing Program. Containment Leakage Rate Testing Program SR 3.6.2.2 Verify only one door in the air lock can be In accordance opened at a time. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.6.2-5 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Containment Isolation Valves 3.6.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.3.1 Verify each 4 inch containment vent valve is In accordance closed except when the 4 inch containment with the vent valves are open for pressure control, Surveillance ALARA or air quality considerations for Frequency personnel entry, or for Surveillances that Control Program require the valves to be open.
SR 3.6.3.2 -------------------NOTE-------------------
Va l ves and blind flanges in high radiation areas may be verified by use of administrative means.
Verify each containment isolation manual In accordance valve and blind flange that is located with the outside containment and not locked, sealed, Surveillance or otherwise secured and is required to be Frequency closed during accident conditions is closed, Control Program except for containment isolation valves that are open under administrative controls.
CALVERT CLIFFS - UNIT 1 3.6.3-5 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Containment Isolation Valves 3.6.3 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.6.3.3 -------------------NOTE-------------------
Va l ves and blind flanges in high radiation areas may be verified by use of administrative means.
Verify each containment isolation manual Prior to valve and blind flange that is located entering MODE 4 inside containment and not locked, sealed, from MODE 5 if or otherwise secured and required to be not performed closed during accident conditions is closed, within the except for containment isolation valves that previous are open under administrative controls. 92 days SR 3.6.3.4 Verify the isolation time of each automatic In accordance power-operated containment isolation valve with the is within limits. Inservice Testing Program SR 3.6.3.5 Verify each automatic containment isolation In accordance valve that is not locked, sealed, or with the otherwise secured in position, actuates to Surveillance the isolation position on an actual or Frequency simulated actuation signal. Control Program CALVERT CLIFFS - UNIT 1 3.6.3-6 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Containment Pressure 3.6.4 3.6 CONTAINMENT SYSTEMS 3.6.4 Containment Pressure LCO 3.6.4 Containment pressure shall be~ -1.0 psig and~ 1.0 psig.
APPLICABILITY: MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Containment pressure A.1 Restore containment 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> not within limits. pressure to within limits.
B. Required Action and B.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.4.1 Verify containment pressure is within In accordance limits. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.6.4-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Containment Air Temperature 3.6.5 3.6 CONTAINMENT SYSTEMS 3.6.5 Containment Air Temperature LCO 3.6.5 Containment average air temperature shall be ~ 120°F.
APPLICABILITY: MODES l, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Containment average A.1 Restore containment 8 hours0.333 days <br />0.0476 weeks <br />0.011 months <br /> air temperature not average air within limit. temperature to within limit.
B. Required Action and B.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.5.1 Verify containment average air temperature In accordance is within limit. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.6.5-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Containment Spray and Cooling Systems 3.6.6 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.6.1 -------------------NOTE-------------------
Not required to be met for system vent flow paths opened under administrative control.
Verify each containment spray manual, power- In accordance operated, and automatic valve in the flow with the path that is not locked, sealed, or Surveillance otherwise secured in position is in the Frequency correct position. Control Program SR 3.6.6.2 Operate each containment cooling train fan In accordance unit for 2 15 minutes. with the Surveillance Frequency Control Program SR 3.6.6.3 Verify each containment cooling train In accordance cooling water flow rate is 2 2000 gpm to with the each fan cooler. Surveillance Frequency Control Program SR 3.6.6.4 Verify each containment spray pump's In accordance developed head at the flow test point is with the greater than or equal to the required Inservice developed head. Testing Program SR 3.6.6.5 Verify each automatic containment spray In accordance valve in the flow path that is not locked, with the sealed, or otherwise secured in position, Surveillance actuates to the correct position on an Frequency actual or simulated actuation signal. Control Program CALVERT CLIFFS - UNIT 1 3.6.6-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Containment Spray and Cooling Systems 3.6.6 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.6.6.6 Verify each containment spray pump starts In accordance automatically on an actual or simulated with the actuation signal. Surveillance Frequency Control Program SR 3.6.6.7 Verify each containment cooling train starts In accordance automatically on an actual or simulated with the actuation signal. Surveillance Frequency Control Program SR 3.6.6.8 Verify each spray nozzle is unobstructed. Following maintenance that could result in nozzle blockage SR 3.6.6.9 Verify containment spray locations 31 days susceptible to gas accumulation are sufficiently filled with water.
CALVERT CLIFFS - UNIT 1 3.6.6-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
IRS 3.6.8 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.8.1 Operate each IRS train for ~ 15 minutes. In accordance with the Surveillance Frequency Control Program SR 3.6.8.2 Perform required IRS filter testing in In accordance accordance with the Ventilation Filter with the Testing Program. Ventilation Filter Testing Program SR 3.6.8.3 Verify each IRS train actuates on an actual In accordance or simulated actuation signal. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.6.8-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AFW System 3.7.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.3.1 Verify each AFW manual, power-operated, and In accordance automatic valve in each water flow path and with the in both steam supply flow paths to the steam Surveillance turbine-driven pumps, that is not locked, Frequency sealed, or otherwise secured in position, is Control Program in the correct position.
SR 3.7.3.2 Cycle each testable, remote-operated valve In accordance that is not in its operating position. with the Inservice Testing Program SR 3.7.3.3 -------------------NOTE-------------------
Not required to be performed for the turbine-driven AFW pump until 24 hours1 days <br />0.143 weeks <br />0.0329 months <br /> after reaching 800 psig in the steam generators.
Verify the developed head of each AFW pump In accordance at the flow test point is greater than or with the equal to the required developed head. Inservice Testing Program SR 3.7.3.4 -------------------NOTE-------------------
Not required to be performed for the turbine-driven AFW pump until 24 hours1 days <br />0.143 weeks <br />0.0329 months <br /> after reaching 800 psig in the steam generators.
Verify each AFW automatic valve that is not In accordance locked, sealed, or otherwise secured in with the position, actuates to the correct position Surveillance on an actual or simulated actuation signal. Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.3-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AFW System 3.7.3 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.7.3.5 -------------------NOTE-------------------
Not required to be performed for the turbine-driven AFW pump until 24 hours1 days <br />0.143 weeks <br />0.0329 months <br /> after reaching 800 psig in the steam generators.
Verify each AFW pump starts automatically on In accordance an actual or simulated actuation signal. with the Surveillance Frequency Control Program SR 3.7.3.6 -------------------NOTE-------------------
Not required to be performed for the AFW train with the turbine-driven AFW pump until 24 hours1 days <br />0.143 weeks <br />0.0329 months <br /> after reaching 800 psig in the steam generators.
Verify the AFW system is capable of In accordance providing a minimum of 300 gpm nominal flow with the to each flow leg. Surveillance Frequency Control Program SR 3.7.3.7 Verify the proper alignment of the required Prior to AFW flow paths by verifying flow from the entering MODE 2 condensate storage tank to each steam whenever unit generator. has been in MODE 5 or 6 for
> 30 days CALVERT CLIFFS - UNIT 1 3.7.3-5 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CST 3.7.4 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.4.1 Verify CST usable volume is In accordance
~ 150,000 gallons per Unit. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.4-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CC System 3.7.5 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.5.1 -------------------NOTE-------------------
I sol at ion of CC flow to individual components does not render the CC System inoperable.
Verify each CC manual, power-operated, and In accordance automatic valve in the flow path servicing with the safety-related equipment, that is not Surveillance locked, sealed, or otherwise secured in Frequency position, is in the correct position. Control Program SR 3.7.5.2 Verify each CC automatic valve in the flow In accordance path that is not locked, sealed, or with the otherwise secured in position, actuates to Surveillance the correct position on an actual or Frequency simulated actuation signal. Control Program SR 3.7.5.3 Verify each CC pump starts automatically on In accordance an actual or simulated actuation signal. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.5-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SRW 3.7.6 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. One SRW subsystem B. l --------NOTE -------
inoperable. Enter applicable Conditions and Required Actions of LCO 3.8.l, AC 11 Sources--Operating, 11 for diesel generator made inoperable by SRW.
Restore SRW subsystem 72 hours3 days <br />0.429 weeks <br />0.0986 months <br /> to OPERABLE status.
- c. Required Action and C.l Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time of Condition A AND or B not met.
C.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.6.1 -------------------NOTE-------------------
Isol ati on of SRW flow to individual components does not render SRW inoperable.
Verify each SRW manual, power-operated, and In accordance automatic valve in the flow path servicing with the safety-related equipment, that is not Surveillance locked, sealed, or otherwise secured in Frequency position, is in the correct position. Control Program CALVERT CLIFFS - UNIT 1 3.7.6-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SRW 3.7.6 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.7.6.2 Verify each SRW automatic valve in the flow In accordance path that is not locked, sealed, or with the otherwise secured in position, actuates to Surveillance the correct position on an actual or Frequency simulated actuation signal. Control Program SR 3.7.6.3 Verify each SRW pump starts automatically on In accordance an actual or simulated actuation signal. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.6-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SW 3.7.7 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> associated Completion Time of Condition A AND not met.
B.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.7.1 -------------------NOTE-------------------
I sol at ion of SW System flow to individual components does not render SW inoperable.
Verify each SW System manual, power- In accordance operated, and automatic valve in the flow with the path servicing safety-related equipment, Surveillance that is not locked, sealed, or otherwise Frequency secured in position, is in the correct Control Program position.
SR 3.7.7.2 Verify each SW System automatic valve in the In accordance flow path that is not locked, sealed, or with the otherwise secured in position, actuates to Surveillance the correct position on an actual or Frequency simulated actuation signal. Control Program SR 3.7.7.3 Verify each SW System pump starts In accordance automatically on an actual or simulated with the actuation signal. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.7-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CREVS 3.7.8 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.8.1 Operate each required CREVS filter train for In accordance
~ 15 minutes. with the Surveillance Frequency Control Program SR 3.7.8.2 Perform required CREVS filter testing in In accordance accordance with the Ventilation Filter with the VFTP Testing Program (VFTP).
SR 3.7.8.3 Verify each CREVS train actuates on an In accordance actual or simulated actuation signal. with the Surveillance Frequency Control Program SR 3.7.8.4 Perform required CRE unfiltered air In accordance inleakage testing in accordance with the with the Control Room Envelope Habitability Program. Control Room Envelope Habitability Program CALVERT CLIFFS - UNIT 1 3.7.8-5 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
CRETS 3.7.9 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.9.1 Verify each required CRETS train has the In accordance capability to maintain control room with the temperature within limits. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.9-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SF PE VS
- 3. 7 .11 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.11.l Verify an OPERABLE SFPEVS train is in In accordance operation. with the Surveillance Frequency Control Program SR 3. 7 .11. 2 Deleted.
SR 3. 7 .11. 3 Verify each SFPEVS fan can maintain a In accordance measurable negative pressure with respect to with the adjacent areas. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.11-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
PRE VS 3.7.12 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.12.1 Operate each PREVS train for ~ 15 minutes. In accordance with the Surveillance Frequency Control Program SR 3.7.12.2 Verify required PREVS filter testing in In accordance accordance with the Ventilation Filter with the VFTP Testing Program (VFTP).
SR 3.7.12.3 Verify each PREVS train actuates on an In accordance actual or simulated actuation signal. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.12-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SFP Water Level 3.7 .13 3.7 PLANT SYSTEMS 3.7.13 Spent Fuel Pool (SFP) Water Level LCO 3.7.13 The SFP water level shall be~ 21.5 ft over the top of irradiated fuel assemblies seated in the storage racks, and
~ 19.8 ft over the top of fuel assemblies seated on rack spacers in the storage racks for reconstitution activities.
APPLICABILITY: During movement of irradiated fuel assemblies in the SFP.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. SFP water level not A.1 --------NOTE -------
within limits. LCO 3.0.3 is not applicable.
Suspend movement of Immediately irradiated fuel assemblies in SFP and suspend re constitution activities.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.13.1 Verify the SFP water level is ~ 21.5 ft In accordance above the top of irradiated fuel assemblies with the seated in the storage racks. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.13-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Secondary Specific Activity 3.7.14 3.7 PLANT SYSTEMS 3.7.14 Secondary Specific Activity LCO 3.7.14 The specific activity of the secondary coolant shall be
~ 0.10 µCi/gm DOSE EQUIVALENT I-131.
APPLICABILITY: MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Specific activity not A.1 Be in MODE 3. 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> within limit.
A.2 Be in MODE 5. 36 hours1.5 days <br />0.214 weeks <br />0.0493 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.14.1 Verify the specific activity of the In accordance secondary coolant is within limit. with the Surveillance Frequency Control Program ALVERT CLIFFS - UNIT 1 3.7.14-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SFP Boron Concentration 3.7.16 3.7 PLANT SYSTEMS 3.7.16 Spent Fuel Pool (SFP) Boron Concentration LCO 3.7.16 Boron concentration of the SFP shall be~ 2000 ppm.
APPLICABILITY: When fuel assemblies are stored in the SFPs.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Spent Fuel Pool boron ----------- NOTE------------
concentration not LCO 3.0.3 is not applicable.
within limit.
A.1 Suspend movement of Immediately fuel assemblies in the SFPs.
A.2 Initiate action to Immediately restore boron concentration to within limit.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.16.1 Verify boron concentration is greater than In accordance 2000 ppm. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.16-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
ADVs 3.7.18 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.18.1 Verify one complete cycle of each ADV. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.7.18-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AC Sources-Operating 3.8.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME K. Three or more K.1 Enter LCO 3.0.3. Immediately required LCO 3.8.1.a and LCO 3.8.1.b AC sources inoperable.
SURVEILLANCE REQUIREMENTS
NOTE-------------------------------------
SR 3.8.1.1 through SR 3.8.1.15 are only applicable to LCO 3.8.1.a and LCO 3.8.1.b AC sources. SR 3.8.1.16 is only applicable to LCO 3.8.1.c AC sources.
SURVEILLANCE FREQUENCY SR 3.8.1.1 -------------------NOTE-------------------
Only required to be performed when SMECO is being credited for an offsite source.
Verify correct breaker alignment and Once within indicated power availability for the 69 kV 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> after SMECO offsite circuit. substitution for a 500 kV offs ite circuit In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.1-10 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.2 Verify correct breaker alignment and In accordance indicated power availability for each with the required 500 kV offsite circuit. Surveillance Frequency Control Program SR 3.8.1.3 ------------------NOTES------------------
- 1. Performance of SR 3.8.1.9 satisfies this Surveillance Requirement.
- 2. All DG starts may be preceded by an engine prelube period and followed by a warmup period prior to loading.
- 3. A modified DG start involving idling and gradual acceleration to synchronous speed may be used for this Surveillance Requirement as recommended by the manufacturer. When modified start procedures are not used, the voltage and frequency tolerances of SR 3.8.1.9 must be met.
Verify each DG starts and achieves steady In accordance state voltage~ 4060 V and s 4400 V, and with the frequency ~ 58.8 Hz and s 61.2 Hz. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.1-11 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.4 ------------------NOTES------------------
- 1. DG loadings may include gradual loading as recommended by the manufacturer.
- 2. Momentary transients below the load limit do not invalidate this test.
- 3. This Surveillance shall be conducted on only one DG at a time.
- 4. This Surveillance Requirement shall be preceded by and immediately follow without shutdown a successful performance of SR 3.8.1.3 or SR 3.8.1.9.
Verify each DG is synchronized and loaded, In accordance and operates for ~ 60 minutes at a load with the
~ 4000 kW for DG lA and ~ 2700 kW for Surveillance DGs lB, 2A, and 2B. Frequency Control Program SR 3.8.1.5 Verify each day tank contains ~ a one hour In accordance supply. with the Surveillance Frequency Control Program SR 3.8.1.6 Check for and remove accumulated water from In accordance each day tank. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.1-12 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.7 Verify the fuel oil transfer system operates In accordance to automatically transfer fuel oil from with the storage tank[s] to the day tank. Surveillance Frequency Control Program SR 3.8.1.8 Verify interval between each sequenced load In accordance block is within +/- 10% of design interval for with the each emergency and shutdown load sequencer. Surveillance Frequency Control Program SR 3.8.1.9 -------------------NOTE-------------------
Al l DG starts may be preceded by an engine prelube period.
Verify each DG starts from standby condition In accordance and achieves, in ~ 10 seconds, voltage with the
> 4060 V and frequency > 58.8 Hz, and after Surveillance steady state conditions are reached, Frequency maintains voltage ~ 4060 V and ~ 4400 V and Control Program frequency of> 58.8 Hz and ~ 61.2 Hz.
SR 3.8.1.10 Verify manual transfer of AC power sources In accordance from the normal offsite circuit to the with the alternate offsite circuit. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.1-13 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.11 -------------------NOTE-------------------
- 1. Momentary transients outside the load and power factor limits do not invalidate this test.
- 2. If performed with the DG synchronized with offsite power, the surveillance test shall be performed at the required power factor. However, if grid conditions do not permit, the power factor limit is not required to be met.
Under this condition, the power factor shall be maintained as close to the limit as practicable.
Verify each DG, operating at a frequency In accordance z 58.8 Hz and ~ 61.2 Hz, and an appropriate with the accident load power factor operates for Surveillance z 4 hours0.167 days <br />0.0238 weeks <br />0.00548 months <br /> while loaded to z 4000 kW for DG Frequency lA and z 3000 kW for DGs 18, 2A, and 28. Control Program SR 3.8.1.12 Verify each DG rejects a load z 500 hp In accordance without tripping. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.1-14 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.13 Verify that automatically bypassed DG trips In accordance are automatically bypassed on an actual or with the simulated required actuation signal. Surveillance Frequency Control Program SR 3.8.1.14 Verify each DG: In accordance with the
- a. Synchronizes with offsite power source Surveillance while loaded upon a simulated Frequency restoration of offsite power; Control Program
- b. Manually transfers loads to offsite power source; and
- c. Returns to ready-to-load operation.
CALVERT CLIFFS - UNIT 1 3.8.1-15 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.15 -------------------NOTE-------------------
A11 DG starts may be preceded by an engine prelube period.
Verify on an actual or simulated loss of In accordance offsite power signal in conjunction with an with the actual or simulated Engineered Safety Surveillance Feature actuation signal: Frequency Control Program
- a. De-energization of emergency buses;
- b. Load shedding from emergency buses;
- c. DG auto-starts from standby condition and:
- 1. energizes permanently connected loads in ~ 10 seconds,
- 2. energizes auto-connected emergency loads through load sequencer,
- 3. maintains steady state voltage
~ 4060 V and ~ 4400 V,
- 4. maintains steady state frequency of ~ 58.8 Hz and ~ 61.2 Hz, and
- 5. supplies permanently connected and auto-connected emergency loads for
~ 5 minutes.
CALVERT CLIFFS - UNIT 1 3.8.1-16 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS {continued)
SURVEILLANCE FREQUENCY SR 3.8.1.16 For the LCO 3.8.1.c AC electrical sources, In accordance SR 3.8.1.1, SR 3.8.1.2, SR 3.8.1.3, with applicable SR 3.8.1.5, SR 3.8.1.6, and SR 3.8.1.7 are Surveillance required to be performed. Requirements SR 3.8.1.17 -------------------NOTE-------------------
Momentary transients outside the load and power factor limits do not invalidate this test.
Verify each DG operates for~ 24 hours1 days <br />0.143 weeks <br />0.0329 months <br />: In accordance with the
- a. For ~ 2 hours0.0833 days <br />0.0119 weeks <br />0.00274 months <br /> of the test loaded to Surveillance
~ 4200 kW for DG lA, and ~ 3150 kW and Frequency
~ 3300 kW for DGs 18, 2A, and 28, and Control Program
- b. For the remaining hours of the test loaded to ~ 3600 kW for DG lA, and
~ 2700 kW and ~ 3000 kW for DGs 18, 2A, and 28.
CALVERT CLIFFS - UNIT 1 3.8.1-17 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Diesel Fuel Oil 3.8.3 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME E. One or more DGs with E.1 Restore stored fuel 30 days new fuel oil oil properties to properties not within within limits.
limits.
F. Required Action and F.1 Declare associated Immediately associated Completion DG(s) inoperable.
Time not met.
OR One or more DGs with diesel fuel oil not within limits for reasons other than Condition A, B, C, D, or E.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.3.1 Verify fuel oil volume of: In accordance with the
- a. FOST lA ~ a 7 day supply, and Surveillance
- b. FOST 21 ~ a 7 day supply. Frequency Control Program SR 3.8.3.2 Verify fuel oil properties of new and stored In accordance fuel oil are tested in accordance with, and with the Diesel maintained within the limits of, the Diesel Fuel Oil Fuel Oil Testing Program. Testing Program CALVERT CLIFFS - UNIT 1 3.8.3-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Diesel Fuel Oil 3.8.3 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.3.3 Check for and remove accumulated water from In accordance each FOST. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.3-5 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
DC Sources-Operating 3.8.4 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.4.1 Verify battery terminal voltage is ~ 125 V In accordance on float charge. with the Surveillance Frequency Control Program SR 3.8.4.2 Verify no visible corrosion at battery In accordance terminals and connectors. with the Surveillance Frequency Control Program Verify battery connection resistance is within limits.
SR 3.8.4.3 Verify battery cells, cell plates, and racks In accordance show no visual indication of physical damage with the or abnormal deterioration that degrades Surveillance performance. Frequency Control Program SR 3.8.4.4 Remove visible terminal corrosion and verify In accordance battery cell to cell and terminal with the connections are coated with anti-corrosion Surveillance material. Frequency Control Program SR 3.8.4.5 Verify battery connection resistance is In accordance within limits. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.4-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
DC Sources-Operating 3.8.4 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.4.6 Verify each battery charger supplies In accordance
~ 400 amps at ~ 125 V for ~ 30 minutes. with the Surveillance Frequency Control Program SR 3.8.4.7 -------------------NOTE-------------------
The modified performance discharge test in SR 3.8.4.8 may be performed in lieu of the service test in SR 3.8.4.7.
- Verify battery capacity is adequate to In accordance supply, and maintain in OPERABLE status, the with the required emergency loads for the design duty Surveillance cycle when subjected to a battery service Frequency test. Control Program CALVERT CLIFFS - UNIT 1 3.8.4-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
DC Sources-Operating 3.8.4 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.4.8 Verify battery capacity is ~ 80% of the In accordance manufacturer's rating when subjected to a with the performance discharge test or a modified Surveillance performance discharge test. Frequency Control Program 12 months when battery shows degradation or has reached 85%
of the expected life with capacity
< 100% of manufacturer's rating 24 months when battery has reached 85% of the expected life with capacity
~ 100% of manufacturer's rating CALVERT CLIFFS - UNIT 1 3.8.4-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Battery Cell Parameters 3.8.6 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and 8.1 Declare associated Immediately associated Completion battery inoperable.
Time of Condition A not met.
One or more batteries with average electrolyte temperature of the representative cells
< 69°F.
One or more batteries with one or more battery eel l parameters not within Category C limits.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.6.1 Verify battery cell parameters meet In accordance Table 3.8.6-1 Category A limits. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.6-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Battery Cell Parameters 3.8.6 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.6.2 Verify battery cell parameters meet In accordance Table 3.8.6-1 Category B limits. with the Surveillance Frequency Control Program SR 3.8.6.3 Verify average electrolyte temperature of In accordance representative cells is ~ 69°F. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.6-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Inverters-Operating 3.8.7 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.7.1 Verify correct inverter voltage and In accordance alignment to required AC vital buses. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.7-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Inverters-Shutdown 3.8.8 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME A. (continued) A.2.2 Suspend operations Immediately involving positive reactivity additions that could result in loss of required SOM or boron concentration.
A.2.3 Initiate action to Immediately restore required inverters to OPERABLE status.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.8.1 Verify correct inverter voltage and In accordance alignment to required AC vital buses. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.8-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Distribution Systems-Operating 3.8.9 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME E. Two or more E.l Enter LCO 3.0.3. Immediately electrical power distribution subsystems inoperable that result in a loss of function.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.9.1 Verify correct breaker alignments and In accordance voltage to AC, DC, and AC vital bus with the electrical power distribution subsystems. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.9-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Distribution Systems-Shutdown 3.8.10 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME A. (continued) A.2.2 Suspend operations Immediately involving positive reactivity additions that could result in loss of required SOM or boron concentration.
A.2.3 Initiate actions to Immediately restore required AC, DC, and AC vital bus electrical power distribution subsystems to OPERABLE status.
A.2.4 Declare associated Immediately required shutdown cooling subsystem(s) inoperable and not in operation.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.10.1 Verify correct breaker alignments and In accordance voltage to required AC, DC, and AC vital bus with the electrical power distribution subsystems. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.8.10-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Boron Concentration 3.9.1 3.9 REFUELING OPERATIONS 3.9.1 Boron Concentration LCO 3.9.1 Boron concentrations of the Reactor Coolant System and the refueling pool shall be maintained within the limit specified in the COLR.
APPLICABILITY: MODE 6.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Boron concentration A.1 Suspend positive Immediately not within limit. reactivity additions.
A.2 Initiate action to Immediately restore boron concentration to within limit.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3. 9 .1.1 Verify boron concentration is within the In accordance limit specified in the COLR. with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.9.1-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Nuclear Instrumentation 3.9.2 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.2.1 Perform CHANNEL CHECK. In accordance with the Surveillance Frequency Control Program SR 3.9.2.2 -------------------NOTE-------------------
Neutron detectors are excluded from CHANNEL CALIBRATION.
Perform CHANNEL CALIBRATION. In accordance with the Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.9.2-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Containment Penetrations
3.9.3 APPLICABILITY
During movement of irradiated fuel assemblies within containment.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more A.1 Suspend movement of Immediately containment irradiated fuel penetrations not in assemblies within required status. containment.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.3.1 Verify each required containment penetration In accordance is in the required status. with the Surveillance Frequency Control Program SR 3.9.3.2 Verify each required containment purge and In accordance exhaust valve actuates to the isolation with the position on an actual or simulated actuation Surveillance signal. Frequency Control Program CALVERT CLIFFS - UNIT 1 3.9.3-2 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SOC and Coolant Circulation-High Water Level 3.9.4 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME A. (Continued) A.5 Close one door in 4 hours0.167 days <br />0.0238 weeks <br />0.00548 months <br /> each air lock.
A.6.1 Close each 4 hours0.167 days <br />0.0238 weeks <br />0.00548 months <br /> penetration providing direct access from the containment atmosphere to the outside atmosphere with a manual or automatic isolation valve, blind flange, or equivalent.
A.6.2 Verify each 4 hours0.167 days <br />0.0238 weeks <br />0.00548 months <br /> penetration is capable of being closed by an OPERABLE Containment Purge Valve Isolation System.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.4.1 Verify one SOC loop is in operation and In accordance circulating reactor coolant at a flow rate with the of ~ 1500 gpm. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.9.4-3 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SDC and Coolant Circulation-Low Water Level 3.9.5 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. (Continued) B.5.2 Verify each 4 hours0.167 days <br />0.0238 weeks <br />0.00548 months <br /> penetration is capable of being closed by an OPERABLE Containment Purge Valve Isolation System.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.5.1 Verify required SDC loops are OPERABLE and In accordance one SDC loop is in operation. with the Surveillance Frequency Control Program SR 3.9.5.2 Verify SDC loop in operation is circulating In accordance reactor coolant at a flow rate of with the
~ 1500 gpm. Surveillance Frequency Control Program SR 3.9.5.3 Verify correct breaker alignment and In accordance indicated power available to the required with the SDC loop components that are not in Surveillance operation. Frequency Control Program CALVERT CLIFFS - UNIT 1 3.9.5-4 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
SDC and Coolant Circulation-Low Water Level 3.9.5 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.9.5.4 Verify SDC loop locations susceptible to gas 31 days accumulation are sufficiently filled with water.
CALVERT CLIFFS - UNIT 1 3.9.5-5 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
Refueling Pool Water Level 3.9.6 3.9 REFUELING OPERATIONS 3.9.6 Refueling Pool Water Level LCO 3.9.6 Refueling pool water level shall be maintained~ 23 ft above the top of the irradiated fuel assemblies seated in the reactor vessel .
APPLICABILITY: During movement of irradiated fuel assemblies within containment.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Refueling pool water A.1 Suspend movement of Immediately level not within irradiated fuel limit. assemblies within containment.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.6.1 Verify refueling pool water level is ~ 23 ft In accordance above the top of the irradiated fuel with the assemblies seated in the reactor vessel. Surveillance Frequency Control Program CALVERT CLIFFS - UNIT 1 3.9.6-1 Amendment No. 314 CALVERT CLIFFS - UNIT 2 Amendment No. 292
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION RELATED TO ADOPTION OF TSTF-42S RELOCATE SPECIFIC SURVEILLANCE FREQUENCIES TO A LICENSEE CONTROLLED PROGRAM AMENDMENT NO. 314 TO RENEWED FACILITY OPERATING LICENSE NO. DPR-S3 AMENDMENT NO. 292 TO RENEWED FACILITY OPERATING LICENSE NO. DPR-69 CALVERT CLIFFS NUCLEAR POWER PLANT, UNIT NOS. 1 AND 2 EXELON GENERATION COMPANY, LLC DOCKET NOS. S0-317 AND S0-318
1.0 INTRODUCTION
By application dated May 1, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML 1412SA01 S), as supplemented by letters dated May 1, 201 S (ADAMS Accession No. ML 1S126A041), and July 30, 201S (ADAMS Accession No. ML15212A902), Exelon Generation Company, LLC (Exelon, the licensee), submitted a request for changes to the Calvert Cliffs Nuclear Power Plant, Unit Nos. 1 and 2 (CCNPP, Calvert Cliffs), Technical Specifications (TSs). The supplemental letters dated May 1, 201 S, and July 30, 201 S, provided additional information that clarified the application, did not expand the scope of the application as originally noticed, and did not change the U.S. Nuclear Regulatory Commission (NRC) staff's original proposed no significant hazards consideration determination as published in the Federal Register (FR) on July 22, 2014 (79 FR 42549).
The licensee requested to revise the CCNPP TSs by relocating specific surveillance requirement (SR) frequencies to a licensee-controlled program. The licensee requested to revise the TSs to require that changes to such surveillance frequencies will be made in accordance with Nuclear Energy Institute (NEI) 04-10, Revision 1, "Risk-Informed Technical Specifications Initiative Sb, Risk-Informed Method for Control of Surveillance Frequencies" (ADAMS Accession No. ML0713604S6). The requested change is the adoption of NRG-approved Technical Specification Task Force (TSTF) Standard Technical Specifications (STS) Change Traveler TSTF-42S, Revision 3, "Relocate Surveillance Frequencies to Licensee Control - RITSTF [Risk-Informed TSTF] Initiative Sb" (ADAMS Accession No. ML0908S0642).
The FR notice published on July 6, 2009 (74 FR 31996), announced the availability of TSTF-425, Revision 3.
Enclosure 3
2.0 REGULATORY EVALUATION
2.1 Description of the Proposed Changes The licensee proposed to modify the CCNPP TSs by relocating specific surveillance frequencies to a licensee-controlled program (i.e., the Surveillance Frequency Control Program (SFCP)) in accordance with NEI 04-10, Revision 1. The licensee stated that the proposed change is consistent with the adoption of NRC-approved TSTF-425, Revision 3. When implemented, TSTF-425, Revision 3, relocates most periodic frequencies of TS surveillances to the SFCP, and provides requirements for the new SFCP in the Administrative Controls sections of the TSs.
All surveillance frequencies can be relocated except the following:
- Frequencies that reference other approved programs for the specific interval (such as the In-Service Testing Program or the Primary Containment Leakage Rate Testing Program);
- Frequencies that are purely event-driven (e.g., "each time the control rod is withdrawn to the 'full out' position");
- Frequencies that are event-driven, but have a time component for performing the surveillance on a one-time basis once the event occurs (e.g., "within 24 hours1 days <br />0.143 weeks <br />0.0329 months <br /> after thermal power reaching~ 95% RTP [rated thermal power]"); and
- Frequencies that are related to specific conditions (e.g., battery degradation, age and capacity) or conditions for the performance of a surveillance requirement (e.g., "drywell to suppression chamber differential pressure decrease").
The licensee proposed to add the SFCP to TSs, Section 5.0, "Administrative Controls,"
Subsection 5.5, "Programs and Manuals." The SFCP describes the requirements for the program to control changes to the relocated surveillance frequencies. The TS Bases for each affected surveillance would be revised to state that the frequency is controlled under the SFCP.
The existing TS Bases information will be relocated to the licensee-controlled SFCP. The proposed changes to the Administrative Controls section of the TSs to incorporate the SFCP include a specific reference to NEI 04-10, Revision 1, as the basis for making any changes to the surveillance frequencies once they are relocated out of the TSs.
By letter dated September 19, 2007 (ADAMS Accession No. ML072570267), the NRC staff approved Topical Report NEI 04-10, Revision 1, as acceptable for referencing in licensing actions, to the extent specified and under the limitations delineated in NEI 04-10, Revision 1, and in the NRC staff's safety evaluation (SE) of NEI 04-10, Revision 1.
The licensee proposed other changes and deviations from TSTF-425, Revision 3, which are discussed in Section 3.3 of this SE.
2.2 Applicable Commission Policy Statements In the "Final Policy Statement on Technical Specifications Improvements for Nuclear Power Reactors," dated July 22, 1993 (58 FR 39135), the NRC addressed the use of Probabilistic Safety Analysis (PSA, currently referred to as Probabilistic Risk Assessment or PRA) in STS. In this publication, the Commission stated:
The Commission believes that it would be inappropriate at this time to allow requirements which meet one or more of the first three criteria [of Title 10 of the Code of Federal Regulations (1 O CFR), Section 50.36] to be deleted from Technical Specifications based solely on PSA (Criterion 4). However, if the results of PSA indicate that Technical Specifications can be relaxed or removed, a deterministic review will be performed ....
The Commission Policy in this regard is consistent with its Policy Statement on "Safety Goals for the Operation of Nuclear Power Plants," 51 FR 30028, published on August 21, 1986. The Policy Statement on Safety Goals states in part, "* *
- probabilistic results should also be reasonably balanced and supported through use of deterministic arguments. In this way, judgments can be made*** about the degree of confidence to be given these (probabilistic) estimates and assumptions. This is a key part of the process of determining the degree of regulatory conservatism that may be warranted for particular decisions.
This defense-in-depth approach is expected to continue to ensure the protection of public health and safety." ...
The Commission will continue to use PSA, consistent with its policy on Safety Goals, as a tool in evaluating specific line-item improvements to Technical Specifications, new requirements, and industry proposals for risk-based Technical Specification changes.
Approximately two years later, the NRC provided additional detail concerning the use of PRA in the "Use of Probabilistic Risk Assessment Methods in Nuclear Regulatory Activities; Final Policy Statement, dated August 16, 1995 (60 FR 42622). In this publication, the Commission stated:
The Commission believes that an overall policy on the use of PRA methods in nuclear regulatory activities should be established so that the many potential applications of PRA can be implemented in a consistent and predictable manner that would promote regulatory stability and efficiency ...
PRA addresses a broad spectrum of initiating events by assessing the event frequency. Mitigating system reliability is then assessed, including the potential for multiple and common cause failures. The treatment therefore goes beyond the single failure requirements in the deterministic approach. The probabilistic approach to regulation is, therefore, considered an extension and enhancement of traditional regulation by considering risk in a more coherent and complete manner.
Therefore, the Commission stated:
The use of PRA technology should be increased in all regulatory matters to the extent supported by the state-of-the-art in PRA methods and data and in a manner that complements the NRC's deterministic approach ...
Therefore, the Commission believes that an overall policy on the use of PRA in nuclear regulatory activities should be established so that the many potential applications of PRA can be implemented in a consistent and predictable manner that promotes regulatory stability and efficiency. This policy statement sets forth the Commission's intention to encourage the use of PRA and to expand the scope of PRA applications in all nuclear regulatory matters to the extent supported by the state-of-the-art in terms of methods and data ....
Therefore, the Commission adopts the following policy statement regarding the expanded NRC use of PRA:
(1) The use of PRA technology should be increased in all regulatory matters to the extent supported by the state-of-the-art in PRA methods and data and in a manner that complements the NRC's deterministic approach and supports the NRC's traditional defense-in-depth philosophy.
(2) PRA and associated analyses (e.g., sensitivity studies, uncertainty analyses, and importance measures) should be used in regulatory matters, where practical within the bounds of the state-of-the-art, to reduce unnecessary conservatism associated with current regulatory requirements, regulatory guides, license commitments, and staff practices. Where appropriate, PRA should be used to support the proposal for additional regulatory requirements in accordance with 10 CFR 50.109 (Backfit Rule). Appropriate procedures for including PRA in the process for changing regulatory requirements should be developed and followed. It is, of course, understood that the intent of this policy is that existing rules and regulations shall be complied with unless these rules and regulations are revised.
(3) PRA evaluations in support of regulatory decisions should be as realistic as practicable and appropriate supporting data should be publicly available for review.
(4) The Commission's safety goals for nuclear power plants and subsidiary numerical objectives are to be used with appropriate consideration of uncertainties in making regulatory judgments on the need for proposing and backfitting new generic requirements on nuclear power plant licensees.
2.3 Applicable Regulations In 10 CFR, Section 50.36, the NRC established its regulatory requirements related to the content of TSs. Pursuant to 10 CFR 50.36, TSs are required to include items in the following five specific categories related to station operation: (1) Safety limits, limiting safety system
settings, and limiting control settings; (2) Limiting conditions for operation; (3) Surveillance requirements; (4) Design features; and (5) Administrative controls.
Surveillance requirements are defined at 10 CFR 50.36(c)(3) as:
... requirements relating to test, calibration, or inspection to assure that the necessary quality of systems and components is maintained, that facility operation will be within safety limits, and that the limiting conditions for operation will be met.
The FR notice published on July 6, 2009 (74 FR 31996), announced the availability of TSTF-425, Revision 3. It stated that the addition of the SFCP to the TSs provides the necessary administrative controls to require that surveillance frequencies relocated to the SFCP are conducted at a frequency to assure that the necessary quality of systems and components is maintained, that facility operation will be within safety limits, and that the limiting conditions for operation will be met. The FR notice also stated that changes to surveillance frequencies in the SFCP are made using the methodology contained in NEI 04-10, Revision 1, including qualitative considerations, results of risk analyses, sensitivity studies and any bounding analyses, and recommended monitoring of structures, systems, and components (SSCs). These changes are also required to be documented.
Existing regulatory requirements, such as 10 CFR 50.65, "Requirements for monitoring the effectiveness of maintenance at nuclear power plants" (i.e., the Maintenance Rule), and 10 CFR Part 50, Appendix B, Criterion XVI, "Corrective Action," require licensee monitoring of surveillance test failures and implementing corrective actions to address such failures. Such failures can result in the licensee increasing the frequency of a surveillance test. In addition, by having the TSs require that changes to the frequencies listed in the SFCP be made in accordance with NEI 04-10, Revision 1, the licensee will be required to monitor the performance of SSCs for which surveillance frequencies are decreased to assure reduced testing does not adversely impact the SSCs.
2.4 Applicable NRC Regulatory Guides and Review Plans Regulatory Guide (RG) 1.174, Revision 2, "An Approach for Using Probabilistic Risk Assessment in Risk-Informed Decisions on Plant-Specific Changes to the Licensing Basis" (ADAMS Accession No. ML100910006), describes an acceptable risk-informed approach for assessing the nature and impact of proposed permanent licensing-basis changes by considering engineering issues and applying risk insights. This RG also provides risk acceptance guidelines for evaluating the results of such evaluations.
In Revision 1 of RG 1.177, "An Approach for Plant-Specific, Risk-Informed Decisionmaking:
Technical Specifications" (ADAMS Accession No. ML100910008), it describes an acceptable risk-informed approach specifically for assessing proposed TS changes.
In Revision 2 of RG 1.200, "An Approach for Determining the Technical Adequacy of Probabilistic Risk Assessment Results for Risk-Informed Activities" (ADAMS Accession No. ML090410014 ), it describes an acceptable approach for determining whether the quality of the PRA, in total or the parts that are used to support an application, is sufficient to provide
confidence in the results such that the PRA can be used in regulatory decision making for light-water reactors (LWRs).
General guidance for evaluating the technical basis for proposed risk-informed changes is provided in NUREG-0800, "Standard Review Plan [SRP] for the Review of Safety Analysis Reports for Nuclear Power Plants: LWR Edition," Chapter 19, Section 19.2, "Review of Risk Information Used to Support Permanent Plant-Specific Changes to the Licensing Basis: General Guidance" (ADAMS Accession No. ML071700658). Guidance on evaluating PRA technical adequacy is provided in SRP, Chapter 19, Section 19.1, Revision 3, "Determining the Technical Adequacy of Probabilistic Risk Assessment for Risk-Informed License Amendment Requests After Initial Fuel Load" (ADAMS Accession No. ML12193A107). More specific guidance related to risk-informed TS changes is provided in SRP, Chapter 16, Section 16.1, Revision 1, "Risk-Informed Decisionmaking: Technical Specifications" (ADAMS Accession No. ML070380228), which includes changes to surveillance test intervals (STls) (i.e.,
surveillance frequencies) as part of risk-informed decision making. Section 19.2 of the SRP references the same criteria as RG 1.177, Revision 1, and RG 1.174, Revision 2, and states that a risk-informed application should be evaluated to ensure that the proposed changes meet the following key principles:
- The proposed change meets the current regulations unless it is explicitly related to a requested exemption ...
- The proposed change is consistent with the defense-in-depth philosophy.
- The proposed change maintains sufficient safety margins.
- When proposed changes result in an increase in core damage frequency
[CDF] or risk, the increases should be small and consistent with the intent of the Commission's Safety Goal Policy Statement...
- The impact of the proposed change should be monitored using performance measurement strategies.
3.0 TECHNICAL EVALUATION
The licensee's adoption of TSTF-425, Revision 3, provides for administrative relocation of applicable surveillance frequencies to the SFCP, and provides for the addition of the SFCP to the Administrative Controls section of the TSs. The changes to the Administrative Controls section of the TSs will also require the application of NEI 04-10, Revision 1, for any changes to surveillance frequencies within the SFCP. The licensee's application to implement the changes described in TSTF-425, Revision 3, included documentation regarding the PRA technical adequacy consistent with RG 1.200, Revision 2. In Revision 1 of NEI 04-10, it states that PRA methods are used with plant performance data and other considerations to identify and justify modifications to the surveillance frequencies of equipment at nuclear power plants. This is consistent with guidance provided in RG 1.174, Revision 2, and RG 1.177, Revision 1, in support of changes to STls.
3.1 Review Methodology In Revision 1 of RG 1.177, it identifies five key safety principles required for risk-informed changes to TSs. Each of these principles is addressed by NEI 04-10, Revision 1.
3.1.1 The Proposed Change Meets Current Regulations Paragraph 50.36(c)(3) of 10 CFR requires that TSs include surveillances which are "requirements relating to test, calibration, or inspection to assure that the necessary quality of systems and components is maintained, that facility operation will be within safety limits, and that the limiting conditions for operation will be met." The licensee is required by its TSs to perform surveillance tests, calibrations, or inspections on specific safety-related equipment (e.g., reactivity control, power distribution, electrical, and instrumentation) to verify system operability. The frequencies for these surveillances are based primarily upon deterministic methods such as engineering judgment, operating experience, and manufacturer's recommendations. The licensee's use of NRG-approved methodologies identified in NEI 04-10, Revision 1, provides a way to establish risk-informed surveillance frequencies that complements the deterministic approach and supports the NRC's traditional defense-in-depth philosophy.
Despite the requested change, the SRs themselves will remain in the TSs, as required by 10 CFR 50.36(c)(3). This change is analogous to other NRG-approved TS changes in which the SRs are retained in TSs, but the related surveillance frequencies are relocated to licensee-controlled documents such as surveillances performed in accordance with the In-Service Testing Program and the Primary Containment Leakage Rate Testing Program. Thus, the proposed change complies with 10 CFR 50.36(c)(3) by retaining in TSs the requirements relating to test, calibration, or inspection to assure that the necessary quality of systems and components is maintained, that facility operation will be within safety limits, and that the limiting conditions for operation will be met.
The regulatory requirements in 10 CFR 50.65, 10 CFR Part 50, Appendix 8, and the monitoring required by NEI 04-10, Revision 1, ensure that the surveillance frequencies are sufficient to assure that the requirements of 10 CFR 50.36 are satisfied; and that any performance deficiencies will be identified and appropriate corrective actions taken. The licensee's SFCP ensures that SRs specified in the TSs are performed at intervals sufficient to assure the above regulatory requirements are met. Based on the above, the NRC staff concludes that the proposed change meets the first key safety principle of RG 1.177, Revision 1, by complying with current regulations.
3.1.2 The Proposed Change Is Consistent With the Defense-in-Depth Philosophy The defense-in-depth philosophy (i.e., the second key safety principle of RG 1.177, Revision 1),
is maintained if:
- A reasonable balance is preserved among prevention of core damage, prevention of containment failure, and consequence mitigation.
- Over-reliance on programmatic activities to compensate for weaknesses in plant design is avoided.
- System redundancy, independence, and diversity are preserved commensurate with the expected frequency, consequences of challenges to the system, and uncertainties (e.g., no risk outliers). (Because the scope of the proposed change is limited to revision of surveillance frequencies, the redundancy, independence, and diversity of plant systems are not impacted.)
- Defenses against potential common cause failures are preserved, and the potential for the introduction of new common cause failure mechanisms is assessed.
- Independence of physical barriers is not degraded.
- Defenses against human errors are preserved.
- The intent of the General Design Criteria in 10 CFR Part 50, Appendix A, is maintained.
The changes to the Administrative Controls section of the TSs will require the application of NEI 04-10, Revision 1, for any changes to surveillance frequencies within the SFCP. In Revision 1 of NEI 04-10, it uses both the CDF and the large early release frequency (LERF) metrics to evaluate the impact of proposed changes to surveillance frequencies. The guidance of RG 1.174, Revision 2, and RG 1.177, Revision 1, for changes to CDF and LERF is achieved by evaluation using a comprehensive risk analysis, which assesses the impact of proposed changes including contributions from human errors and common cause failures (CCFs).
Defense-in-depth is also included in the methodology explicitly as a qualitative consideration outside of the risk analysis, as is the potential impact on detection of component degradation that could lead to an increased likelihood of CCFs. Therefore, the NRC staff concludes that both the quantitative risk analysis and the qualitative considerations assure that a reasonable balance of defense-in-depth is maintained to ensure protection of the public health and safety, thus satisfying the second key safety principle of RG 1.177, Revision 1.
3.1.3 The Proposed Change Maintains Sufficient Safety Margins The engineering evaluation that will be conducted by the licensee under the SFCP when frequencies are revised will assess the impact of the proposed frequency change to assure that sufficient safety margins are maintained. The guidelines used for making that assessment will include ensuring that the proposed surveillance test frequency change is not in conflict with approved industry codes and standards, or adversely affects any assumptions or inputs to the safety analysis; or, if such inputs are affected, justification is provided to ensure sufficient safety margin will continue to exist.
The design, operation, testing methods, and acceptance criteria for SSCs specified in applicable codes and standards (or alternatives approved for use by the NRC) will continue to be met as described in the plants' licensing bases, including the Updated Final Safety Analysis Report and TS Bases, because these are not affected by changes to the surveillance frequencies.
Similarly, there is no impact to the safety analysis acceptance criteria as described in the plant licensing basis. Based on the above, the NRC staff concludes that safety margins are
maintained by the proposed change and, thus, that the third key safety principle of RG 1.177, Revision 1, is satisfied.
3.1.4 When Proposed Changes Result in an Increase in CDF or Risk, the Increases Should Be Small and Consistent with the Intent of the Commission's Safety Goal Policy Statement Revision 1 of RG 1.177, provides a framework for evaluating the risk impact of proposed changes to surveillance frequencies which requires identification of the risk contribution from impacted surveillances, determination of the risk impact from the change to the proposed surveillance frequency, and performance of sensitivity and uncertainty evaluations. The changes to the Administrative Controls section of the TSs will require application of NEI 04-10, Revision 1, in the SFCP. Revision 1 of NEI 04-10 satisfies the intent of the RG 1.177, Revision 1, guidance for the evaluation of the change in risk, and for assuring that such changes are small by providing the technical methodology to support risk-informed TSs for control of surveillance frequencies.
3.1.4.1 Quality of the PRA The quality of the licensee's PRA must be commensurate with the safety significance of the proposed TS change and the role the PRA plays in justifying the change. Specifically, the greater the change in risk or the greater the uncertainty in that risk from the requested TS change (or both), the more rigor that must go into ensuring the quality of the PRA.
In RG 1.200, regulatory guidance is provided for assessing the technical adequacy of a PRA.
The current revision (i.e., Revision 2) of this RG endorses, with clarifications and qualifications, the use of: (1) American Society of Mechanical Engineers (ASME)/American Nuclear Society (ANS) RA-Sa-2009, "Addenda to ASME RA-S-2008 Standard for Level 1/Large Early Release Frequency Probabilistic Risk Assessment for Nuclear Power Plant Applications" (i.e., the PRA Standard), (2) NEI 00-02, "PRA Peer Review Process Guidance" (ADAMS Accession Nos. ML061510619 and ML063390593), and (3) NEI 05-04, "Process for Performing Internal Events PRA Peer Reviews Using the ASME/ANS PRA Standard" (ADAMS Accession No. ML083430462).
The licensee has performed an assessment of the PRA models used to support the SFCP using the guidance of RG 1.200, Revision 2, to assure that the PRA models are capable of determining the change in risk due to changes to surveillance frequencies of SSCs, using plant-specific data and models. Capability Category II of the NRG-endorsed PRA standard is the target capability level for supporting requirements for the internal events PRA for this application. Any identified deficiencies to those requirements are assessed further to determine any impacts to proposed decreases to surveillance frequencies, including the use of sensitivity studies, where appropriate, in accordance with NEI 04-10, Revision 1.
The Pressurized Water Reactors Owners Group performed a full scope peer review of the CCNPP internal events PRA in June 2010. The NRC staff notes that the licensee's September 18, 2014, application associated with containment leak rate test extension (ADAMS Accession No. ML14265A219) clarifies that the peer review was performed against the guidance of RG 1.200, Revision 2, and requirements of ASME/ANS RA-Sa-2009. Table A-1 in
Attachment 2 of the licensee's application dated May 1, 2014, explains how all internal events PRA peer review facts and observations (F&Os) findings from this peer review have been dispositioned, as well as their impact on CDF and LERF. In Attachment 2 to the application dated May 1, 2014, the licensee stated:
The peer review found that 97% of the SR's [Supporting Requirements]
evaluated met Capability Category II or better. There were 3 SR's that were noted as "not met" and 8 that were noted as Category 1. As noted in the peer review report the majority of the findings were documentation related. Of the 11 SR's which did not meet Category 2 or better, 7 were related to conservatisms or documentation in LERF and 2 were related to internal floods. There were 39 findings. Most of the findings have been addressed in the PRA model. No significant changes have been implemented in the internal events PRA. As there are no new methods applied, no follow on or focused peer reviews were required.
The NRC staff reviewed: (1) the summary of the peer review finding, (2) the licensee's resolution to the finding, and (3) the licensee's assessment of the impact on this application, for the F&Os listed in Table A-1 of the application dated May 1, 2014, to identify whether any gaps in the PRA model were identified that could impact the application. The NRC staff assessed these peer review F&Os to ensure that any deficiencies in meeting Capability Category II could be addressed for the SFCP per the NEI 04-10, Revision 1, methodology.
The NRC staff notes that the licensee's February 17, 2015, response to the Division of Risk Assessment, PRA Licensing Branch (APLA) Request for Additional Information (RAI) 1 (ADAMS Accession No. ML15051A409}, associated with the licensee's containment leak rate test extension request, identified the three "not met" SRs as LE-F2, LE-G5, and IFQU-A 10. These correspond to F&Os 4-21, 4-22, and 6-17, respectively. F&Os 4-21 and 4-22 are related to documentation of limitations associated with the LERF analysis and conservative LERF results, respectively. The disposition for F&O 4-22 refers to information associated with F&O 4-19, which pertains to sources of uncertainty and conservatisms in the LERF analysis associated with interfacing-systems loss of coolant accident and steam generator tube rupture modeling.
The disposition for F&O 4-19 explains that the dominant LERF contributors were reviewed and model changes were implemented to address significant uncertainties and reduce LERF.
These PRA model changes were documented as discussed in the disposition for F&O 4-21.
The NRC staff, thus, concludes that the dispositions are acceptable for this application.
The F&O 6-17 for SR IFQU-A 10 relates to documentation of the treatment of the internal flood analysis in the event trees and its impact on the LERF analysis. In the disposition for the F&O, the licensee noted that this F&O has been entered into its configuration control database and that it may result in changes to the PRA model for internal floods. However, the licensee also addressed its impact and explained that cutset reviews have not identified modeling deficiencies associated with this item. Since this F&O finding would only potentially impact the risk metrics associated with internal flooding, particularly for LERF, the NRC staff concludes that the disposition is acceptable for this application.
The NRC staff notes that the licensee's February 9, 2015, response (ADAMS Accession No. ML15043A249, not publicly available per 10 CFR 2.390) to NRC's PRA RAI 02, associated
with the licensee's request to adopt National Fire Protection Association (NFPA) Standard 805 (NFPA 805), further addressed the disposition of F&Os 4-5 and 6-23. F&O 4-5 pertains to modeling of the station blackout diesel generator which is shared between Units 1 and 2. The disposition to the F&O in the licensee's May 1, 2014, application stated that no unit preference is modeled. Part (a) of the NFPA 805 RAI response further explained the strategy for alignment of this diesel generator and why the fixed alignment assumption in the PRA is considered to be a conservative assumption. The F&O 6-23 pertains to human reliability analysis (HRA) and appropriate modeling of time delay for different accident sequences. The disposition to the F&O in the licensee's application dated May 1, 2014, stated that an updated dependency analysis has been performed for the new human error probabilities (HEPs) added to address early and late condensate storage tank (CST) depletion scenarios. Part (b) of the NFPA 805 RAI response provided additional information on the disposition of this issue and explained that an additional review was performed that determined only a very small fraction of HEPs were found to have time delays that might not be appropriate and further discussed the dependency analysis for HEPs associated with CST depletion. Given the additional information provided in the response to NFPA 805 PRA RAI 02, the NRC staff concludes that the licensee's dispositions of F&Os 4-5 and 6-23 are acceptable for this application.
Based on the licensee's assessments using the currently applicable PRA standard and revision of RG 1.200, the NRC staff concludes that the level of PRA quality, combined with the evaluation and disposition of gaps, is sufficient to support the evaluation of changes proposed to surveillance frequencies within the SFCP; and is consistent with Regulatory Position 2.3.1 of RG 1.177, Revision 1.
3.1.4.2 Scope of the PRA The changes to the Administrative Controls section of the TSs will require the licensee to evaluate each proposed change to a relocated surveillance frequency using NEI 04-10, Revision 1, to determine its potential impact on risk (i.e., CDF and LERF) from internal events, fires, seismic, other external events, and shutdown conditions. In cases where a PRA of sufficient scope or quantitative risk models were unavailable, the licensee used bounding analyses, or other conservative quantitative evaluations. A qualitative screening analysis may be used when the surveillance frequency impact on plant risk is shown to be negligible or zero.
The licensee also has an at-power internal events and internal flooding PRA model, as well as an at-power fire PRA, to support the adoption of NFPA 805. In accordance with NEI 04-10, Revision 1, the licensee will use these models to perform quantitative evaluations to support the development of changes to surveillance frequencies in the SFCP. The NRC staff finds that this is acceptable because the NRG-approved methodology in NEI 04-10, Revision 1, allows for more refined analysis to be performed to support changes to surveillance frequencies in the SFCP.
In Attachment 2 to the application dated May 1, 2014, the licensee stated that the CCNPP seismic PRA has not been updated since the Individual Plant Examination of External Events (IPEEE), and, therefore, that the results of the seismic analysis will be qualitatively evaluated for its impact on STI extensions. The licensee also referenced the NRC staff memorandum on Generic Issue 199 (Gl-199) "Safety/Risk Assessment Results for Generic Issue 199,
'Implications of Updated Probabilistic Seismic Hazard Estimates in Central and Eastern United
States on Existing Plants"' (ADAMS Accession No. ML100270582), that discusses recent updates to estimates of the seismic hazard in the central and eastern United States, and explained that the IPEEE values bound the "weakest link" seismic CDFs in Gl-199, Table D-1.
The licensee explained that the IPEEE seismic hazard inputs also appear to be conservative as compared to the latest Ground Motion Response Spectra provided by the Electric Power Research Institute in late 2013. This supports the licensee's conclusion that insights from the IPEEE seismic PRA can be used to support the SFCP. The NRC staff finds that this is an acceptable approach in accordance with NEI 04-10, Revision 1.
In Attachment 2 to the application dated May 1, 2014, the licensee stated that CCNPP has maintained and updated a high winds PRA model which has not been peer reviewed. This model was used to estimate the high winds CDF to be 9.4E-07 per year for CCNPP. This indicates that high winds risk may not have a significant impact on the CCNPP SFCP. In accordance with NEI 04-10, Revision 1, the licensee can perform qualitative or quantitative analyses to evaluate the impact of external events on surveillance frequency changes.
Therefore, the NRC staff finds that the use of the CCNPP high winds model is acceptable for this application.
In its letter dated May 1, 2015, the licensee responded to RAI 2, and explained that CCNPP does not currently have a low power or shutdown PRA model. However, the licensee explained that the CCNPP SFCP will qualitatively assess shutdown events in accordance with NEI 04-10, Revision 1.
Based on the above, the NRC staff concludes that, through the application of NRG-approved NEI 04-10, Revision 1, the licensee's evaluation methodology is sufficient to ensure that the scope of the risk contribution of each surveillance frequency change is properly identified for evaluation and is consistent with Regulatory Position 2.3.2 of RG 1.177, Revision 1.
3.1.4.3 PRA Modeling The licensee's methodology includes the determination of whether the SSCs affected by a proposed change to a surveillance frequency are modeled in the PRA. Where the SSC is directly or implicitly modeled, a quantitative evaluation of the risk impact may be carried out.
The methodology adjusts the failure probability of the impacted SSCs, including any impacted CCF modes, based on the proposed change to the surveillance frequency. Where the SSC is not modeled in the PRA, bounding analyses are performed to characterize the impact of the proposed change to the surveillance frequency. Potential impacts on the risk analyses due to screening criteria and truncation levels are addressed by the requirements for PRA technical adequacy consistent with guidance contained in RG 1.200, and by sensitivity studies identified in NEI 04-10, Revision 1.
Based on the above, the NRC staff concludes that, through the application of NRG-approved NEI 04-10, Revision 1, the CCNPP PRA modeling is sufficient to ensure an acceptable evaluation of risk for the proposed changes in surveillance frequency; and is consistent with Regulatory Position 2.3.3 of RG 1.177, Revision 1.
3.1.4.4 Assumptions for Time Related Failure Contributions The failure probabilities of SSCs modeled in PRAs may include a standby time-related contribution and a cyclic demand-related contribution. In its letter dated May 1, 2015, the licensee responded to RAI 1 and explained that the standby time-related contribution evaluation will be performed in accordance with NEI 04-10, Revision 1. The criteria in NEI 04-10, Revision 1, adjust the time-related failure contribution of SSCs affected by the proposed change to a surveillance frequency. This is consistent with RG 1.177, Revision 1, Section 2.3.3, which permits separation of the failure rate contributions into demand and standby for evaluation of SRs. If the available data does not support distinguishing between the time-related failures and demand failures, then the change to surveillance frequency is conservatively assumed to impact the total failure probability of the SSC, including both standby and demand contributions. The SSC failure rate (per unit time) is assumed to be unaffected by the change in test frequency such that the failure probability is assumed to increase linearly with time, and it will be confirmed by the required monitoring and feedback implemented after the change in surveillance frequency is implemented. The NEI 04-10 process requires consideration of qualitative sources of information with regard to potential impacts of test frequency on SSC performance, including industry and plant-specific operating experience, vendor recommendations, industry standards, and code-specified test intervals. Thus, the process is not reliant upon risk analyses as the sole basis for the proposed changes.
The potential benefits of a reduced surveillance frequency, including reduced downtime and reduced potential for restoration errors, test-caused transients, and test-caused wear of equipment, are identified qualitatively but not quantitatively assessed.
Based on the above, the NRC staff concludes that, through the application of NRG-approved NEI 04-10, Revision 1, the licensee has employed reasonable assumptions with regard to extensions of STls; and is consistent with Regulatory Position 2.3.4 of RG 1.177, Revision 1.
3.1.4.5 Sensitivity and Uncertainty Analyses By having the TSs require that changes to the frequencies listed in the SFCP be made in accordance with NEI 04-10, Revision 1, the licensee will be required to have sensitivity studies that assess the impact of uncertainties from key assumptions of the PRA, uncertainty in the failure probabilities of the affected SSCs, impact on the frequency of initiating events, and any identified deviations from Capability Category II of the PRA standard. Where the sensitivity analyses identify a potential impact on the proposed change, revised surveillance frequencies are considered along with any qualitative considerations that may impact the results of such sensitivity studies. The licensee will also be required to perform monitoring and feedback of SSC performance once the revised surveillance frequencies are implemented. Based on the above, the NRC staff concludes that, through the application of NRG-approved NEI 04-10, Revision 1, the licensee has appropriately considered the possible impact of PRA model uncertainty and sensitivity to key assumptions and model limitations; and is consistent with Regulatory Position 2.3.5 of RG 1.177, Revision 1.
3.1.4.6 Acceptance Guidelines The licensee will be required to quantitatively evaluate the change in total risk (including internal and external events contributions) in terms of CDF and LERF for both the individual risk impact of a proposed change in surveillance frequency, and the cumulative impact from all individual changes to surveillance frequencies using NEI 04-10, Revision 1, in accordance with the TS SFCP. Each individual change to a surveillance frequency must show a risk impact below 1E-6 per year for change to CDF and below 1E-7 per year for change to LERF. These changes to CDF and LERF are consistent with the acceptance criteria of RG 1.174, Revision 2, for very small changes in risk. Where the RG 1.174, Revision 2, acceptance criteria are not met, the process in NEI 04-10, Revision 1, either considers revised surveillance frequencies which are consistent with RG 1.174, Revision 2, or the process terminates without permitting the proposed changes. Where quantitative results are unavailable for comparison with the acceptance guidelines, appropriate qualitative analyses are required to demonstrates that the associated risk impact of a proposed change to surveillance frequency is negligible or zero. Otherwise, bounding quantitative analyses are required which demonstrate the risk impact is at least one order of magnitude lower than the RG 1.174, Revision 2, acceptance guidelines for very small changes in risk. In addition to assessing each individual SSC surveillance frequency change, the cumulative impact of all changes must result in a risk impact less than 1E-5 per year for change to CDF and less than 1E-6 per year for change to LERF; and the total CDF and total LERF must be reasonably shown to be less than 1E-4 per year and 1E-5 per year, respectively.
These values are consistent with the acceptance criteria of RG 1.174, Revision 2, as referenced by RG 1.177, Revision 1, for changes to surveillance frequencies.
Consistent with the NRC's SE dated September 19, 2007, for NEI 04-10, Revision 1, the TS SFCP will require the licensee to calculate the total change in risk (i.e., the cumulative risk) by comparing a baseline model that uses failure probabilities based on surveillance frequencies, prior to being changed per the SFCP to a revised model that uses failure probabilities based on the changed surveillance frequencies. The NRC staff further notes that the licensee included a provision to exclude the contribution to cumulative risk from individual changes to surveillance frequencies associated with insignificant risk increases (i.e., less than 5E-8 CDF and 5E-9 LERF) once the baseline PRA models are updated to include the effects of the revised surveillance frequencies.
The quantitative acceptance guidance of RG 1.174, Revision 2, is supplemented by qualitative information to evaluate the proposed changes to surveillance frequencies, including industry and plant-specific operating experience, vendor recommendations, industry standards, the results of sensitivity studies, and SSC performance data and test history. The final acceptability of the proposed change is based on all of these considerations and not solely on the PRA results. Post implementation performance monitoring and feedback are also required to assure continued reliability of the components. Based on the above, the NRC staff concludes that the licensee's application of NRG-approved NEI 04-10, Revision 1, provides acceptable methods for evaluating the risk increase associated with proposed changes to surveillance frequencies and is thus consistent with Regulatory Position 2.4 of RG 1.177, Revision 1.
Therefore, the NRC staff concludes that the proposed change satisfies the fourth key safety principle of RG 1.177, Revision 1, by assuring that any increase in risk is small consistent with the intent of the Commission's Safety Goal Policy Statement.
3.1.5 The Impact of the Proposed Change Should Be Monitored Using Performance Measurement Strategies The licensee's adoption of TSTF-425, Revision 3, requires application of NEI 04-10, Revision 1, in the SFCP. In Revision 1 of NEI 04-10, it requires performance monitoring of SSCs whose surveillance frequencies have been revised as part of a feedback process to assure that the change in test frequency has not resulted in degradation of equipment performance and operational safety. The monitoring and feedback includes consideration of Maintenance Rule monitoring of equipment performance. In the event of SSC performance degradation, the surveillance frequency will be reassessed in accordance with the methodology, in addition to any corrective actions which may be required by the Maintenance Rule. The performance monitoring and feedback specified in NEI 04-10, Revision 1, is sufficient to reasonably assure acceptable SSC performance and is consistent with Regulatory Position 3.2 of RG 1.177, Revision 1. Thus, the NRC staff concludes that the fifth key safety principle of RG 1.177, Revision 1, is satisfied.
3.2 Addition of Surveillance Frequency Control Program to Administrative Controls The licensee proposed including the SFCP and specific requirements into the CCNPP TSs, Section 5.5.19, as follows:
Surveillance Frequency Control Program This program provides controls for Surveillance Frequencies. The program shall ensure that Surveillance Requirements specified in the Technical Specifications are performed at intervals sufficient to assure that the associated Limiting Conditions for Operation are met.
- a. The Surveillance Frequency Control Program shall contain a list of Frequencies of those Surveillance Requirements for which the Frequency is controlled by the program.
- b. Changes to the Frequencies listed in the Surveillance Frequency Control Program shall be made in accordance with NEI 04-10, "Risk-Informed Technical Specifications Initiative 5b, Risk Informed Method for Control of Surveillance Frequencies," Revision 1.
- c. The provisions of Surveillance Requirements 3.0.2 and 3.0.3 are applicable to the Frequencies established in the Surveillance Frequency Control Program.
The proposed program is consistent with the model application of TSTF-425 and, therefore, the NRC staff concludes that it is acceptable.
3.3 Deviations from TSTF-425 and Other Changes 3.3.1 Revised Clean TS Pages In its application dated May 1, 2014, the licensee only provided marked-up TS pages. Only providing mark-ups of the proposed TS changes satisfies the requirements of 10 CFR 50.90 "Application for amendment of license, construction permit, or early site permit," in that the mark-ups fully describe the changes desired. The NRC staff finds that this is an administrative deviation from the NRC staff's model application dated July 6, 2009 (74 FR 31996), with no impact on the NRC staff's model SE published in the same FR notice.
3.3.2 Differences between Calvert Cliffs TSs and NUREG-1432 In its application dated May 1, 2014, the licensee stated that the Calvert Cliffs TS SR numbers, and associated TS Bases numbers, differ from those in NUREG-1432, Revision 4, "Standard Technical Specifications - Combustion Engineering Plants," Volumes 1 and 2, and TSTF-425, Revision 3. There are also surveillances contained in NUREG-1432 that are not contained in the Calvert Cliffs TSs. These surveillances identified in TSTF-425 for NUREG-1432 are not applicable to Calvert Cliffs. These differences are administrative deviations from TSTF-425 with no impact on the NRC staff's model SE dated July 6, 2009 (74 FR 31996). Therefore, the NRC staff finds this acceptable.
In its application dated May 1, 2014, the licensee noted that the Calvert Cliffs TSs include plant-specific SR 3.4.17, that is not contained in NUREG-1432, and, therefore, is not included in the NUREG-1432 SRs provided in TSTF-425. In its application dated May 1, 2014, the licensee requested that this surveillance frequency be relocated to the SFCP. The relocation of the plant-specific surveillance frequencies is consistent with TSTF-425 and with the NRC staff's model SE dated July 6, 2009 (74 FR 31996), including the scope exclusions identified in Section 1.0, "Introduction," of the model SE because the plant-specific surveillance frequencies involved fixed period frequencies. Changes to the frequencies for these plant-specific surveillances would be controlled under the SFCP. Therefore, the NRC staff finds this acceptable.
3.3.3 Technical Specification Bases In its application dated May 1, 2014, the licensee noted that the TSTF-425 TS Bases insert, "The Surveillance Frequency is based on operating experience, equipment reliability, and plant risk and is controlled under the Surveillance Frequency Control Program," should be revised to state, 'The Surveillance Frequency is controlled under the Surveillance Frequency Control Program." The licensee noted that this change is due to an agreement between the TSTF and the NRC Notice of Issuance (ADAMS Accession No. ML100990099) as it was recognized that surveillance frequencies that were relocated, but not changed, under the SFCP may not have been based on operating experience, equipment reliability, or plant risk. This is an administrative deviation from TSTF-425 with no impact on the NRC staff's model SE dated July 6, 2009 (74 FR 31996). Therefore, the NRC staff finds this acceptable.
3.3.4 Technical Specification 5.5.15 In its application dated May 1, 2014, the licensee stated that the TSTF-425 TS Section 5.5.15 insert references NEI 04-10, "Risk-Informed Method for Control of Surveillance Frequencies."
The Calvert Cliffs TS 5.5.19 insert references NEI 04-10, "Risk-Informed Technical Specifications Initiative Sb, Risk-Informed Method for Control of Surveillance Frequencies."
Both of these inserts reference the same NEI 04-10 document, although Calvert Cliffs referenced the full title of NEI 04-10. This is an administrative deviation from TSTF-425 with no impact on the NRC staff's model SE dated July 6, 2009 (74 FR 31996). Therefore, the NRC staff finds this acceptable.
3.4 Technical Evaluation Summary and Conclusions The NRC staff has reviewed the licensee's proposed relocation of specific surveillance frequencies to a licensee-controlled document, and controlling changes to these surveillance frequencies in accordance with a new program (the SFCP) identified in the Administrative Controls section of the TSs. The NRC staff confirmed that this amendment does not relocate surveillance frequencies that: reference other approved programs for the specific interval, are purely event-driven, are event-driven but have a time component for performing the surveillance on a one-time basis once the event occurs, or are related to specific conditions. The SFCP and proposed newTSs Section 5.0, Subsection 5.5.19, reference NEI 04-10, Revision 1, which provides a risk-informed methodology using plant-specific risk insights and performance data to revise surveillance frequencies within the SFCP. This methodology supports relocating surveillance frequencies from the TSs to a licensee-controlled document provided that those frequencies are changed in accordance with NEI 04-10, Revision 1, which is specified in the Administrative Controls section of the TSs.
The proposed licensee adoption of TSTF-425, Revision 3, and risk-informed methodology of NRG-approved NEI 04-10, Revision 1, as referenced in the Administrative Controls section of TSs, satisfies the key principles of risk-informed decision making applied to changes to TSs as delineated in RG 1.177 and RG 1.174, in that:
- The proposed change meets current regulations ...
- The proposed change is consistent with defense-in-depth philosophy.
- The proposed change maintains sufficient safety margins.
- When proposed changes result in an increase in core damage frequency or risk, the increases should be small and consistent with the intent of the Commission's Safety Goal Policy Statement. ..
- The impact of the proposed change is monitored with performance measurement strategies.
Paragraph 50.36(c) of 10 CFR discusses the categories that must be included in TSs.
Paragraph 50.36(c)(3) of 10 CFR discusses the specific category of SRs and states that,
"Surveillance requirements are requirements relating to test, calibration, or inspection to assure that the necessary quality of systems and components is maintained, that facility operation will be within safety limits, and that the limiting conditions for operation will be met." Based on the above evaluation, the NRC staff concludes that, with the proposed relocation of surveillance frequencies to a licensee-controlled document that is administratively controlled in accordance with the TS SFCP, the licensee continues to meet the requirements in 10 CFR 50.36.
4.0 STATE CONSULTATION
In accordance with the Commission's regulations, the Maryland State official was notified of the proposed issuance of the amendments. The State official had no comments.
5.0 ENVIRONMENTAL CONSIDERATION
The amendments change a requirement with respect to the installation or use of a facility component located within the restricted area as defined in 10 CFR Part 20. The NRC staff has determined that the amendments involve no significant increase in the amounts, and no significant change in the types, of any effluents that may be released offsite, and that there is no significant increase in individual or cumulative occupational radiation exposure. The Commission has previously issued a proposed finding that the amendments involve no significant hazards consideration, and there has been no public comment on such finding published in the FR on July 22, 2014 (79 FR 42549). Accordingly, the amendments meet the eligibility criteria for categorical exclusion set forth in 10 CFR 51.22(c)(9). Pursuant to 10 CFR 51.22(b), no environmental impact statement or environmental assessment need be prepared in connection with the issuance of the amendments.
6.0 CONCLUSION
The Commission has concluded, based on the considerations discussed above, that: (1) there is reasonable assurance that the health and safety of the public will not be endangered by operation in the proposed manner, (2) there is reasonable assurance that such activities will be conducted in compliance with the Commission's regulations, and (3) the issuance of the amendments will not be inimical to the common defense and security or to the health and safety of the public.
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Principal Contributors: David J. Gennardo Jonathan E. Evans Alexander N. Chereskin Date:August 17, 2015
ML15211A005 *via dated memo OFFICE DORL/LPLl-1 /PM DORL/LPLl-1 /LA DRA/APLA/BC DSS/STSB/BC NAME AChereskin KGoldstein SRosenberg* RElliot DATE 8/05/2015 8/05/2015 7/29/2015 8/04/2015 OFFICE OGC DORL/LPLl-1/BC(A) DORL/LPLl-1/PM NAME JWachutka MDudek AChereskin DATE 8/12/2015 8/14/2015 8/17/2015