ML15336A659

LaSalle County Station, Units 1 and 2 - Correction to Amendments Revising the Ultimate Heat Sink Temperature Limit (CAC Nos. ME9076 and ME9077)

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 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 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. Docket Nos. 50-373 and 50-37 4 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 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 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----------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 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. Docket Nos. 50-373 and 50-37 4 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