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| number = ML15336A659
| number = ML15336A659
| issue date = 12/07/2015
| issue date = 12/07/2015
| title = LaSalle County Station, Units 1 and 2 - Correction to Amendments Revising the Ultimate Heat Sink Temperature Limit (CAC Nos. ME9076 and ME9077)
| title = Correction to Amendments Revising the Ultimate Heat Sink Temperature Limit
| author name = Wiebe J S
| author name = Wiebe J
| author affiliation = NRC/NRR/DORL/LPLIII-2
| author affiliation = NRC/NRR/DORL/LPLIII-2
| addressee name = Hanson B C
| addressee name = Hanson B
| addressee affiliation = Exelon Generation Co, LLC, Exelon Nuclear
| addressee affiliation = Exelon Generation Co, LLC, Exelon Nuclear
| docket = 05000373, 05000374
| docket = 05000373, 05000374
Line 13: Line 13:
| document type = Letter
| document type = Letter
| page count = 2
| page count = 2
| project = CAC:ME9077, CAC:ME9076
| project = CAC:ME9076, CAC:ME9077
| stage = Other
| stage = Other
}}
}}


=Text=
=Text=
{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Bryan C. Hanson Senior Vice President Exelon Generation Company, LLC President and Chief Nuclear Officer (CNO) Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555 December 7, 2015
{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 December 7, 2015 Mr. Bryan C. Hanson Senior Vice President Exelon Generation Company, LLC President and Chief Nuclear Officer (CNO)
Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555


==SUBJECT:==
==SUBJECT:==
LASALLE COUNTY STATION, UNITS 1AND2 -CORRECTION.TO AMENDMENTS REVISING THE ULTIMATE HEAT SINK TEMPERATURE LIMIT (CAC NOS. ME9076 AND ME9077)  
LASALLE COUNTY STATION, UNITS 1AND2 - CORRECTION.TO AMENDMENTS REVISING THE ULTIMATE HEAT SINK TEMPERATURE LIMIT (CAC NOS. ME9076 AND ME9077)


==Dear Mr. Hanson:==
==Dear Mr. Hanson:==
By letter dated November 19, 2015, the U.S. Nuclear Regulatory Commission (the Commission) issued Amendment No. 218 to Facility Operating License No. NPF-11 and Amendment No. 204 to Facility Operating License No. NPF-18 for the LaSalle County Station, Units 1 and 2, respectively. The amendment numbers were inadvertently left off the technical specification pages. The replacement technical specification pages are enclosed. Docket Nos. 50-373 and 50-37 4  
 
By letter dated November 19, 2015, the U.S. Nuclear Regulatory Commission (the Commission) issued Amendment No. 218 to Facility Operating License No. NPF-11 and Amendment No. 204 to Facility Operating License No. NPF-18 for the LaSalle County Station, Units 1 and 2, respectively. The amendment numbers were inadvertently left off the technical specification pages. The replacement technical specification pages are enclosed.
Sincerely, Joel S. Wiebe, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-373 and 50-37 4


==Enclosure:==
==Enclosure:==
Technical Specification pages cc w/encls: Distribution via ListServ Sincerely, Joel S. Wiebe, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation 3.7 PLANT SYSTEMS 3.7.3 Ultimate Heat Sink (UHS) UHS 3.7.3 LCO 3.7.3 The Core Standby Cooling System (CSCS) pond shall be OPERABLE. APPLICABILITY: MODES 1, 2, and 3. ACTIONS CONDITION A. CSCS pond inoperable due to sediment deposition or bottom elevation not within limit. B. Cooling water temperature supplied to the plant from the CSCS 10l°F. C. Required Action and associated Completion Time of Condition A not met. CSCS pond inoperable for reasons other than Condition A. LaSalle land 2 A .1 B.l C.l C.2 REQUIRED ACTION Restore CSCS pond to OPERABLE status. Perform SR 3.7.3.1. Be in MODE 3. Be in MODE 4. COMPLETION TIME 90 days Once per hour 12 hours 36 hours 3.7.3-1 Amendment SURVEILLANCE REQUIREMENTS SR 3.7.3.1 SR 3.7 .3.2 SR 3.7.3.3 SURVEILLANCE Verify cooling water temperature supplied to the plant from the CSCS pond is within the limits of Figure 3.7.3-1. Verify sediment level is 1.5 ft in the intake flume and the CSCS pond. Verify CSCS pond bottom elevation is 686.5 ft. UHS 3.7.3 FREQUENCY In accordance with the Survei 11 ance Frequency Control Program In accordance with the Surveillance Frequency Control Program In accordance with the Surveillance Frequency Control Program LaSalle 1 and 2 3.7.3-2 Amendment No. 218/204 105.00 104. 50 *1--------- -----104.00 ;:;:: 103.50 OJ .... .;:; 103.00 "' .... OJ 0. E ;!l 102.50 102.00 101. 50 ! ! -*-1** Unacceptable Operation (102.44) * --------*---'----------* --c--------* (104.00) i -* ' (104.00) I (104.00) Acceptable Operation 1--(104.00) --i------101. 00 -'-' ----'------r-----+-----i-----'---------+----....! UHS 3. 7. 3 (103.78) 00:00 03:00 06: 00 09:00 12:00 15:00 18:00 21:00 24:00 Time of Day Figure 3. 7.3-1 (page 1 of 1) Temperature of Cooling Water Supplied to the Plant from the CSCS Pond Versus Time of Day Requirements LaSalle 1 and 2 3.7.3-3 Amendment No. 218/204 December 7, 2015 Mr. Bryan C. Hanson Senior Vice President Exelon Generation Company, LLC President and Chief Nuclear Officer (CNO) Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555  
 
Technical Specification pages cc w/encls: Distribution via ListServ
 
UHS 3.7.3 3.7   PLANT SYSTEMS 3.7.3   Ultimate Heat Sink (UHS)
LCO   3.7.3       The Core Standby Cooling System (CSCS) pond shall be OPERABLE.
APPLICABILITY:     MODES 1, 2, and 3.
ACTIONS CONDITION                   REQUIRED ACTION          COMPLETION TIME A. CSCS pond inoperable     A .1    Restore CSCS pond to due to sediment                   OPERABLE status.      90 days deposition or bottom elevation not within limit.
B. Cooling water             B.l    Perform SR  3.7.3.1. Once per hour temperature supplied to the plant from the CSCS pond~ 10l°F.
C. Required Action and     C.l      Be in MODE 3.          12 hours associated Completion Time of Condition A not met.
C.2      Be in MODE 4.          36 hours CSCS pond inoperable for reasons other than Condition A.
LaSalle land 2                       3.7.3-1               Amendment No~ i~B/204
 
UHS 3.7.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE                          FREQUENCY SR 3.7.3.1   Verify cooling water temperature supplied   In accordance to the plant from the CSCS pond is within   with the the limits of Figure 3.7.3-1.               Survei 11 ance Frequency Control Program SR  3.7 .3.2  Verify sediment level is ~ 1.5 ft in the   In accordance intake flume and the CSCS pond.             with the Surveillance Frequency Control Program SR  3.7.3.3    Verify CSCS pond bottom elevation is       In accordance
                ~ 686.5 ft.                                 with the Surveillance Frequency Control Program LaSalle 1 and 2                     3.7.3-2         Amendment No. 218/204
 
UHS
: 3. 7. 3 105.00 104. 50 *1----------1------                                       -------     *~ - *---'----------* - - c - - - - - - - -
* Unacceptable Operation                              i (104.00)     (104.00) I (104.00)           (104.00) 104.00 (103.78)
  ;:;:: 103.50                                                                    -*'
OJ
  .;:; 103.00
  "'....OJ 0.
E Acceptable
  ;!l 102.50                                                                                  Operation (102.44)
* 102.00 101. 50            -*-1**
1- -       --i------
101. 00 -'-'- - - - ' - - - - - - r - - - - - + - - - - - i - - - - - ' - - - - - - - - - + - - - - . . . . !
00:00         03:00       06: 00       09:00     12:00       15:00           18:00         21:00               24:00 Time of Day Figure 3. 7.3-1 (page 1 of 1)
Temperature of Cooling Water Supplied to the Plant from the CSCS Pond Versus Time of Day Requirements LaSalle 1 and 2                                                 3.7.3-3                           Amendment No. 218/204
 
December 7, 2015 Mr. Bryan C. Hanson Senior Vice President Exelon Generation Company, LLC President and Chief Nuclear Officer (CNO)
Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555


==SUBJECT:==
==SUBJECT:==
LASALLE COUNTY STATION, UNITS 1 AND 2 -CORRECTION TO AMENDMENTS REVISING THE ULTIMATE HEAT SINK TEMPERATURE LIMIT (CAC NOS. ME9076 AND ME9077)  
LASALLE COUNTY STATION, UNITS 1 AND 2 - CORRECTION TO AMENDMENTS REVISING THE ULTIMATE HEAT SINK TEMPERATURE LIMIT (CAC NOS. ME9076 AND ME9077)


==Dear Mr. Hanson:==
==Dear Mr. Hanson:==
By letter dated November 19, 2015, the U.S. Nuclear Regulatory Commission (the Commission) issued Amendment No. 218 to Facility Operating License No. NPF-11 and Amendment No. 204 to Facility Operating License No. NPF-18 for the LaSalle County Station, Units 1 and 2, respectively. The amendment numbers were inadvertently left off the technical specification pages. The replacement technical specification pages are enclosed. Docket Nos. 50-373 and 50-37 4  
 
By letter dated November 19, 2015, the U.S. Nuclear Regulatory Commission (the Commission) issued Amendment No. 218 to Facility Operating License No. NPF-11 and Amendment No. 204 to Facility Operating License No. NPF-18 for the LaSalle County Station, Units 1 and 2, respectively. The amendment numbers were inadvertently left off the technical specification pages. The replacement technical specification pages are enclosed.
Sincerely,
                                            /RAJ Joel S. Wiebe, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-373 and 50-37 4


==Enclosure:==
==Enclosure:==
Technical Specification pages cc w/encls: Distribution via ListServ DISTRIBUTION: PUBLIC RidsOgcRp Resource RidsRgn3MailCenter Resource RidsNrrLASRohrer Resource RidsAcrsAcnw_MailCTR Resource Accession Number: ML 15336A659 OFFICE DORL/LPL3-2/PM NAME JWiebe DATE 12/ 2 /15 Sincerely, /RAJ Joel S. Wiebe, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation LPL3-2 R/F RidsNrrDirsltsb Resource RidsNrrDorllpl3-2 Resource RidsNrrDorlDpr Resource RecordsAmend Resource DORL/LPL3-2/LA DORL/LPL3-2/BC SRohrer JPoote (A) 12/2/15 12/7/15 DORL/LPL3-2/PM JWiebe 12/7/15 OFFICIAL RECORD COPY
 
}}
Technical Specification pages cc w/encls: Distribution via ListServ DISTRIBUTION:
PUBLIC                                       LPL3-2 R/F RidsOgcRp Resource                          RidsNrrDirsltsb Resource RidsRgn3MailCenter Resource                  RidsNrrDorllpl3-2 Resource RidsNrrLASRohrer Resource                    RidsNrrDorlDpr Resource RidsAcrsAcnw_MailCTR Resource                RecordsAmend Resource Accession Number: ML15336A659 OFFICE         DORL/LPL3-2/PM     DORL/LPL3-2/LA      DORL/LPL3-2/BC    DORL/LPL3-2/PM NAME              JWiebe            SRohrer           JPoote (A)         JWiebe DATE              12/ 2 /15           12/2/15           12/7/15          12/7/15 OFFICIAL RECORD COPY}}

Latest revision as of 08:31, 19 March 2020

Correction to Amendments Revising the Ultimate Heat Sink Temperature Limit
ML15336A659
Person / Time
Site: LaSalle  Constellation icon.png
Issue date: 12/07/2015
From: Joel Wiebe
Plant Licensing Branch III
To: Bryan Hanson
Exelon Generation Co, Exelon Nuclear
Joel Wiebe, NRR/DORL 415-6606
References
CAC ME9076, CAC ME9077
Download: ML15336A659 (2)
v • d • e


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 December 7, 2015 Mr. Bryan C. Hanson Senior Vice President Exelon Generation Company, LLC President and Chief Nuclear Officer (CNO)

Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555

SUBJECT:

LASALLE COUNTY STATION, UNITS 1AND2 - CORRECTION.TO AMENDMENTS REVISING THE ULTIMATE HEAT SINK TEMPERATURE LIMIT (CAC NOS. ME9076 AND ME9077)

Dear Mr. Hanson:

By letter dated November 19, 2015, the U.S. Nuclear Regulatory Commission (the Commission) issued Amendment No. 218 to Facility Operating License No. NPF-11 and Amendment No. 204 to Facility Operating License No. NPF-18 for the LaSalle County Station, Units 1 and 2, respectively. The amendment numbers were inadvertently left off the technical specification pages. The replacement technical specification pages are enclosed.

Sincerely, Joel S. Wiebe, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-373 and 50-37 4

Enclosure:

Technical Specification pages cc w/encls: Distribution via ListServ

UHS 3.7.3 3.7 PLANT SYSTEMS 3.7.3 Ultimate Heat Sink (UHS)

LCO 3.7.3 The Core Standby Cooling System (CSCS) pond shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. CSCS pond inoperable A .1 Restore CSCS pond to due to sediment OPERABLE status. 90 days deposition or bottom elevation not within limit.

B. Cooling water B.l Perform SR 3.7.3.1. Once per hour temperature supplied to the plant from the CSCS pond~ 10l°F.

C. Required Action and C.l Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time of Condition A not met.

C.2 Be in MODE 4. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> CSCS pond inoperable for reasons other than Condition A.

LaSalle land 2 3.7.3-1 Amendment No~ i~B/204

UHS 3.7.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.3.1 Verify cooling water temperature supplied In accordance to the plant from the CSCS pond is within with the the limits of Figure 3.7.3-1. Survei 11 ance Frequency Control Program SR 3.7 .3.2 Verify sediment level is ~ 1.5 ft in the In accordance intake flume and the CSCS pond. with the Surveillance Frequency Control Program SR 3.7.3.3 Verify CSCS pond bottom elevation is In accordance

~ 686.5 ft. with the Surveillance Frequency Control Program LaSalle 1 and 2 3.7.3-2 Amendment No. 218/204

UHS

3. 7. 3 105.00 104. 50 *1----------1------ ------- *~ - *---'----------* - - c - - - - - - - -
  • Unacceptable Operation i (104.00) (104.00) I (104.00) (104.00) 104.00 (103.78)
103.50 -*'

OJ

.;:; 103.00

"'....OJ 0.

E Acceptable

!l 102.50 Operation (102.44)
  • 102.00 101. 50 -*-1**

1- - --i------

101. 00 -'-'- - - - ' - - - - - - r - - - - - + - - - - - i - - - - - ' - - - - - - - - - + - - - - . . . . !

00:00 03:00 06: 00 09:00 12:00 15:00 18:00 21:00 24:00 Time of Day Figure 3. 7.3-1 (page 1 of 1)

Temperature of Cooling Water Supplied to the Plant from the CSCS Pond Versus Time of Day Requirements LaSalle 1 and 2 3.7.3-3 Amendment No. 218/204

December 7, 2015 Mr. Bryan C. Hanson Senior Vice President Exelon Generation Company, LLC President and Chief Nuclear Officer (CNO)

Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555

SUBJECT:

LASALLE COUNTY STATION, UNITS 1 AND 2 - CORRECTION TO AMENDMENTS REVISING THE ULTIMATE HEAT SINK TEMPERATURE LIMIT (CAC NOS. ME9076 AND ME9077)

Dear Mr. Hanson:

By letter dated November 19, 2015, the U.S. Nuclear Regulatory Commission (the Commission) issued Amendment No. 218 to Facility Operating License No. NPF-11 and Amendment No. 204 to Facility Operating License No. NPF-18 for the LaSalle County Station, Units 1 and 2, respectively. The amendment numbers were inadvertently left off the technical specification pages. The replacement technical specification pages are enclosed.

Sincerely,

/RAJ Joel S. Wiebe, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-373 and 50-37 4

Enclosure:

Technical Specification pages cc w/encls: Distribution via ListServ DISTRIBUTION:

PUBLIC LPL3-2 R/F RidsOgcRp Resource RidsNrrDirsltsb Resource RidsRgn3MailCenter Resource RidsNrrDorllpl3-2 Resource RidsNrrLASRohrer Resource RidsNrrDorlDpr Resource RidsAcrsAcnw_MailCTR Resource RecordsAmend Resource Accession Number: ML15336A659 OFFICE DORL/LPL3-2/PM DORL/LPL3-2/LA DORL/LPL3-2/BC DORL/LPL3-2/PM NAME JWiebe SRohrer JPoote (A) JWiebe DATE 12/ 2 /15 12/2/15 12/7/15 12/7/15 OFFICIAL RECORD COPY

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