L-2012-309, FPL Review Comments on Extended Power Uprate Safety Evaluation

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

0 Florida Power & Light Company, 6501 South Ocean Drive, Jensen Beach, FL 34957 FPL.

L-2012-309 August 7, 2012 10 CFR 50.90 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 Re: St. Lucie Plant Unit 1 Docket No. 50-335 Renewed Facility Operating License No. DPR-67 FPL Review Comments on Extended Power Uprate Safety Evaluation

Reference:

(1) T. Orf (NRC) to M. Nazar (FPL), "St. Lucie Plant, Unit 1 - Issuance of Amendment Regarding 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 Plant Unit 1 [Reference 1]. The amendment included the revised EPU license conditions and technical specifications, 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 designated State 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 President St. Lucie Plant Attachment cc" Ms. Cynthia Becker, Florida Department of Health.

AjjO I an FPL Group company

L-2012-309 Attachment Page 1 of 3 Review Comments on Extended Power Uprate Safety Evaluation Section, Page, No. Paragraph, Document Statement Review Comment Suggested Change Line 2.4.1 "Therefore, the IR error RAI response to EICB-11 in Revise to replace "radiation" with pt 95 due to high radiation for FPL letter L-2011-565 (Acc. "temperature."

6 para normal and accident No. ML12019A067) does not

1. 3 rd line conditions is negligible." describe radiation as a failure mechanism for insulation resistance. Temperature causes insulation resistance changes.

2.5.4.3 "... temperature by Typos Change "eat" to "heat" pg 136 minimizing eat removal 1st para and..."

7 th line 2.8.4.5 Shudown Coolinq System Change "Shudown" to "Shutdown"

2. pg 193 Title 2.8.5.4.3 "Power level to a minimum Change to read:

pg 223 value in 3 seconds..." "Power level drops to a minimum value in 3 3 rd para seconds..."

2 nd line 2.8.5.2.3 Loss of Normal Feedwater Both steam generators Replace sentence with the following:

pg 207 Flow received auxiliary feedwater "Both SGs received auxiliary FW from two 3rd para "Only one SG received flow motor driven AFW pumps with an assumed

3. 3 rd line auxiliary FW due to an See EPU LAR Attachment 5 failure of the steam driven AFW pump."

assumed single failure in Section 2.8.5.2.3 the AFWS. pg 2.8.5.2.3-4

L-2012-309 Attachment Page 2 of 3 Review Comments on Extended Power Uprate Safety Evaluation Section, Page, No. Paragraph, Document Statement Review Comment Suggested Change Line 2.8.5.6.2.2 "... the containment steam Typo - Change "182,750 Ibm" to "182,705 Ibm" pg 243 of 182,750 Ibm was See FPL letter L-2011-311

4. 2nd para after released from the affected Attachment 1 pg 35 Table 7 bullets SG." (Acc. No. ML11231A946) 1 1 th line 2.8.5.6.3.1 SE refers to "ANP- Incorrect reference - Change "ANP-2834(P)" to py 247 2834(P)" See FPL letter L-2011-206 "ANP-2903(P) Rev. 1" 4t para (Acc. No. ML11153A048)

5. 6 h line &

6 th para 4 th line 2.8.5.6.3.1 "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-2011-206

6. 1 st para 26.7 percent..." Attachment 2 pg 4-25 2 nd 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 5 3 rd para Table 1.0-2

7. 4 th line &

pg 258 1 st para 3 rd line

L-2012-309 Attachment Page 3 of 3 Review Comments on Extended Power Uprate Safety Evaluation Section, Page, No. Paragraph, Document Statement Review Comment Suggested Change Line 2.8.7.2 "...reached in less than 13 Incorrect based on revised Change the following:

pg 267 hours (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 5 0 °F/hr (Acc. No. ML12086A202) "170,000 gallons" to "291,500 gallons" and uses 170,000 gallons

8. of condensate)."

pg 268 "The EPU analyses show Replace last sentence with the following:

1st para that the condensate "The increase in NCC condensate last sentence volume requirement in the requirements for EPU is acceptable as CLB is bounding for the makeup water can be supplied to the CST EPU Conditions." from the two 500,000 gallon city water storage 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 first 3 rd para design... limited to 150 EPU LAR Attachment 5 sentence such that it reads:

1st to 5 th lines rods. Conservatively, the Section 2.9.2.2.1.1 pg 2.9.2-4, "The licensee evaluated the EPU AST

9. 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 the 1 0 th line from the actual 0.393 core" such that it reads percent of the core to "... high burnup fuel rods to 4.608 4.608 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 5 1 st para respectively)..." Section 2.12.1.2.2 pg 2.12-3 9 th line III