L-2004-004, Inservice Inspection Plan Third 10-Year Interval Relief Request 1, Supplement 1
| ML040850427 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 03/23/2004 |
| From: | Jefferson W Florida Power & Light Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| L-2004-004 | |
| Download: ML040850427 (3) | |
Text
i 0 FPL US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 3rida Power & Light Company, 6501 S. Ocean Drive, Jensen Beach, FL 34957 March 23, 2004 L-2004-064 10 CFR 50.4 10 CFR 50.55a Re:
St. Lucie Unit 2 Docket No. 50-389 Inservice Inspection Plan Third 10-Year Interval Relief Request 1 - Supplement 1 By letter L-2003-189 dated August 6, 2003, Florida Power & Light Company (FPL) submitted the Third 10-year Inservice Inspection (ISI) Program for St. Lucie Unit 2.
Included with the submittal was Relief Request (RR) 1 requesting approval to use the 1998 Edition of the American Society of Mechanical Engineers (ASME) Code, Section Xl with Addenda through 2000, in lieu of using the 1995 Edition of ASME Section Xl with Addenda through 1996. Use of a subsequent edition of the Code requires approval of the NRC pursuant to 10 CFR 50.55a(g)(4)(iv).
The NRC staff discussed the proposed alternative with FPL in a conference call on December 10, 2003 and requested that RR 1 be modified to include the following limitations on the use of the 2000 Addenda:
- Paragraph IWA-4340 regarding mitigation of defects by modification will not be used.
The repair and replacement activity provision of IWA-4540(c) of the 1998 Edition of Section Xl for pressure testing Class 1, 2, and 3 mechanical joints will be applied when using the 1998 Edition through the 2000 Addenda of Section Xl.
On February 25, 2004, the NRC issued a letter requesting FPL to modify RR 1 to commit to the above conditions. The revised RR 1 is attached and includes the specified NRC commitment.
Please contact us if there are any questions about this submittal.
William Heerb Vice President St. Lucie Plant WJ/GRM Attachment
_p4l an FPL Group company
St. Lucie Unit 2 Docket No. 50-389 L-2004-064 Attachment Page 1 St. Lucie Unit 2 Third Inspection Interval Relief Request Number I Revision 1 Proposed Use of Subsequent ASME Code Edition and Addenda In Accordance with 10 CFR 50.55a(g)(4)(iv) for Inservice Inspection Items
- 1. ASME Code Component(s) Affected FPL is requesting that the 1998 Edition of ASME Section XI with Addenda through 2000, as modified by 10CFR50.55a, be used in lieu of using the 1995 Edition of ASME Section Xl with Addenda through 1996 for the St. Lucie Unit 2 third 10-year inservice inspection interval beginning August 8, 2003.
2. Applicable Code Edition and Addenda
IOCFR50.55a, paragraph (g)(4)(ii) in effect on August 8, 2003 stated:
"Inservice examination of components and system pressure tests conducted during successive 120-month inspection intervals must comply with the requirements of the latest edition and addenda of the Code incorporated by reference in paragraph (b) of this section 12 months prior to the start of the 120-month inspection interval, subject to the limitations and modifications listed in paragraph (b) of this section."
The date of 12 months prior to the start of the third 10-year interval was August 8, 2002. At that time, 10CFR50.55a(b)(2) endorsed the 1995 Edition with Addenda through 1996. The revised 10CFR50.55a(b)(2) that endorsed the 1998 Edition with 2000 Addenda was not effective until October 28, 2002.
- 3. Proposed Subsequent Code Edition and Addenda FPL is requesting that the 1998 Edition of ASME Section XI with Addenda through 2000 as modified by 10CFR50.55a, effective date October 28, 2002, be used in lieu of using the 1995 Edition of ASME Section Xl with Addenda through 1996.
- 4. Related Requirements FPL will implement the requirements of the 1998 Edition with Addenda through 2000 of ASME Section Xl, as modified by 10CFR50.55a, effective date October 28, 2002 with the following additional modifications:
- 1. Paragraph IWA4340 of the 2000 Addenda regarding mitigation of defects by "modification" will not be used.
- 2. The repair and replacement activity provisions in IWA-4540(c) of the 1998 Edition of Section Xl for pressure testing Class 1, 2, and 3 mechanical joints will be applied.
St. Lucie Unit 2 Docket No. 50-389 L-2004-064 Attachment Page 2
- 5. Duration of Proposed Request The update to the 1998 Edition with Addenda through 2000 of ASME Section XI will be l effective for the St. Lucie Unit 2 third 10-year inspection interval.
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