ML12221A393

St. Lucie, Unit 1, FPL Review Comments on Extended Power Uprate Safety Evaluation

ML12221A393
Person / Time
Site:	Saint Lucie
Issue date:	08/07/2012
From:	Jensen J Florida Power & Light Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
L-2012-309, TAC ME5091
Download: ML12221A393 (4)

Text

0FPL.Florida Power & Light Company, 6501 South Ocean Drive, Jensen Beach, FL 34957August 7, 2012L-2012-30910 CFR 50.90U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, DC 20555Re: St. Lucie Plant Unit 1Docket No. 50-335Renewed Facility Operating License No. DPR-67FPL Review Comments on Extended Power Uprate Safety EvaluationReference:(1) T. Orf (NRC) to M. Nazar (FPL), "St. Lucie Plant, Unit 1 -Issuance of AmendmentRegarding Extended Power Uprate (TAC No. ME509 1)" July 9, 2012 (Accession No.ML12156A208)On July 9, 2012, the U. S. Nuclear Regulatory Commission (NRC) issued extended power uprate(EPU) Amendment No. 213 for Renewed Facility Operating License DPR-67 for St. Lucie PlantUnit 1 [Reference 1 ]. The amendment included the revised EPU license conditions and technicalspecifications, as well as a safety evaluation (SE). Florida Power & Light Company (FPL)reviewed the EPU proprietary SE and comments are provided in the attachment to this letter.In accordance with 10 CFR 50.91 (b)(1), a copy of this letter is being forwarded to the designatedState of Florida official.Should you have any questions regarding this submittal, please contact Mr. Jack Hoffman,St. Lucie Extended Power Uprate LAR Project Manager, at 772-467-7493.Very truly yours,$F76V e PresidentSt. Lucie PlantAttachmentcc" Ms. Cynthia Becker, Florida Department of Health.AjjO Ian FPL Group company L-2012-309AttachmentPage 1 of 3Review Comments on Extended Power Uprate Safety EvaluationSection, Page,No. Paragraph, Document Statement Review Comment Suggested ChangeLine2.4.1 "Therefore, the IR error RAI response to EICB-11 in Revise to replace "radiation" withpt 95 due to high radiation for FPL letter L-2011-565 (Acc. "temperature."6 para normal and accident No. ML12019A067) does not1. 3rd line conditions is negligible." describe radiation as a failuremechanism for insulationresistance. Temperaturecauses insulation resistancechanges.2.5.4.3 "... temperature by Typos Change "eat" to "heat"pg 136 minimizing eat removal1st para and..."7th line2.8.4.5 Shudown Coolinq System Change "Shudown" to "Shutdown"2. pg 193Title2.8.5.4.3 "Power level to a minimum Change to read:pg 223 value in 3 seconds..." "Power level drops to a minimum value in 33rd para seconds..."2nd line2.8.5.2.3 Loss of Normal Feedwater Both steam generators Replace sentence with the following:pg 207 Flow received auxiliary feedwater "Both SGs received auxiliary FW from two3rd para "Only one SG received flow motor driven AFW pumps with an assumed3. 3rd line auxiliary FW due to an See EPU LAR Attachment 5 failure of the steam driven AFW pump."assumed single failure in Section 2.8.5.2.3the AFWS. pg 2.8.5.2.3-4 L-2012-309AttachmentPage 2 of 3Review Comments on Extended Power Uprate Safety EvaluationSection, Page,No. Paragraph, Document Statement Review Comment Suggested ChangeLine2.8.5.6.2.2 "... the containment steam Typo -Change "182,750 Ibm" to "182,705 Ibm"pg 243 of 182,750 Ibm was See FPL letter L-2011-3114. 2nd para after released from the affected Attachment 1 pg 35 Table 7bullets SG." (Acc. No. ML11231A946)11th line2.8.5.6.3.1 SE refers to "ANP- Incorrect reference -Change "ANP-2834(P)" topy 247 2834(P)" See FPL letter L-2011-206 "ANP-2903(P) Rev. 1"4t para (Acc. No. ML11153A048)5. 6 h line &6th para4th line2.8.5.6.3.1 "The licensee stated that Correct value is "29.97 percent" Change "26.7 percent" to "29.97 percent"pg 250 Amin was calculated to be See FPL letter L-2011-2066. 1st para 26.7 percent..." Attachment 2 pg 4-252nd line (Acc. No. ML11153A048)2.8.6 SE refers to "Monte Carlo Incorrect reference -Change "MCNP5" to "MCNP4A"pg 257 code MCNP5" See EPU LAR Attachment 53rd para Table 1.0-27. 4th line &pg 2581st para3rd line L-2012-309AttachmentPage 3 of 3Review Comments on Extended Power Uprate Safety EvaluationSection, Page,No. Paragraph, Document Statement Review Comment Suggested ChangeLine2.8.7.2 "...reached in less than 13 Incorrect based on revised Change the following:pg 267 hours0.00309 days <br />0.0742 hours <br />4.414683e-4 weeks <br />1.015935e-4 months <br /> (12.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> with Natural Circulation Cooldown "12.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />" to "24.8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />"last para 30°F/hr and uses 177,000 evaluation "177,000 gallons" to "287,000 gallons"continued on gallons of condensate, or See FPL Letter L-2012-079 "11.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />" to "23.7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br />"pg 268 11.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> with 50°F/hr (Acc. No. ML12086A202) "170,000 gallons" to "291,500 gallons"and uses 170,000 gallons8. of condensate)."pg 268 "The EPU analyses show Replace last sentence with the following:1st para that the condensate "The increase in NCC condensatelast sentence volume requirement in the requirements for EPU is acceptable asCLB is bounding for the makeup water can be supplied to the CSTEPU Conditions." from the two 500,000 gallon city waterstorage tanks consistent with the CLB."2.9.2.2.2 "The licensee stated that This core design restriction is Delete the first three sentences.pg 287 the St. Lucie 1 core not applicable to the EPU core. Delete "conservatively," from the new first3rd para design... limited to 150 EPU LAR Attachment 5 sentence such that it reads:1st to 5th lines rods. Conservatively, the Section 2.9.2.2.1.1 pg 2.9.2-4, "The licensee evaluated the EPU AST9. licensee..." Section 2.9.2.5.2 pg 2.9.2-11, & analyses...""...high burnup fuel rods Section 2.9.2.7.2 pg 2.9.2-15 Delete "from the actual 0.393 percent of the10th line from the actual 0.393 core" such that it readspercent of the core to "... high burnup fuel rods to 4.6084.608 percent..." percent..."2.12 "rehuested for St. Lucie 1 Typo -Change "3020 MWt" to "3716 MWt"10. pg 341 (3026 MWt and 3020 MWt, See EPU LAR Attachment 51st para respectively)..." Section 2.12.1.2.2 pg 2.12-39th line III