ML15336A659

Correction to Amendments Revising the Ultimate Heat Sink Temperature Limit

ML15336A659
Person / Time
Site:	LaSalle
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)

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