ML102720036: Difference between revisions

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| number = ML102720036
| number = ML102720036
| issue date = 09/22/2010
| issue date = 09/22/2010
| title = Technical Specifications Bases (Tsb) Change
| title = Technical Specifications Bases (TSB) Change
| author name = Baxter D
| author name = Baxter D
| author affiliation = Duke Energy Carolinas, LLC
| author affiliation = Duke Energy Carolinas, LLC
Line 15: Line 15:


=Text=
=Text=
{{#Wiki_filter:Duke                                                 DAVE BAXTER Vice President WEnergy.                                              Oconee Nuclear Station Duke Energy ON01 VP / 7800 Rochester Highway Seneca, SC 29672 864-873-4460 864-873-4208 fax dave. baxter@duke-energy.corn September 22, 2010 U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Attention: Document Control Desk
{{#Wiki_filter:Duke WEnergy.
DAVE BAXTER Vice President Oconee Nuclear Station Duke Energy ON01 VP / 7800 Rochester Highway Seneca, SC 29672 864-873-4460 864-873-4208 fax dave. baxter@duke-energy. corn September 22, 2010 U.
S.
Nuclear Regulatory Commission Washington, D. C.
20555 Attention: Document Control Desk


==Subject:==
==Subject:==
Duke Energy Carolinas, LLC Oconee Nuclear Station Docket Numbers 50-269, 270, and 287 Technical Specification Bases (TSB) Change On August 6, 2010, Duke Energy Implemented approved revisions to TSB 3.4.12, Low Temperature Overpressure Protection (LTOP)
Duke Energy Carolinas, LLC Oconee Nuclear Station Docket Numbers 50-269,
System, Surveillance Requirement (SR) 3.4.12.7 frequency.
: 270, and 287 Technical Specification Bases (TSB)
Attachment 1 contains the new TSB pages, Attachment 2 contains the marked up version of the TSB pages.
Change On August 6,
If any additional information is needed, please contact Reene Gambrell at 864-873-3364.
: 2010, Duke Energy Implemented approved revisions to TSB 3.4.12, Low Temperature Overpressure Protection (LTOP)
Sincerely, Dave axter Oconee Nuclear Site AO00 www. duke-energy.corn
System, Surveillance Requirement (SR) 3.4.12.7 frequency. contains the new TSB pages, Attachment 2 contains the marked up version of the TSB pages.
If any additional information is needed, please contact Reene Gambrell at 864-873-3364.
Sincerely, Dave axter Oconee Nuclear Site AO00 www. duke-energy. corn


U. S. Nuclear Regulatory Commission September 22, 2010 Page 2 cc: Mr. John Stang Office, of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-8 G9A Washington, DC 2,0555 Mr. Luis Reyes Regional Administrator, Region II U.S. Nuclear Regulatory Commission Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Ga. 30303-1257 Andy Sabisch Senior Resident Inspector Oconee Nuclear Station S. E. Jenkins, Section Manager Division of Waste Management S.C. Department of Health and Environmental Control 2600 Bull Street Columbia, SC 29201
U.
S.
Nuclear Regulatory Commission September 22, 2010 Page 2 cc:
Mr.
John Stang Office, of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-8 G9A Washington, DC 2,0555 Mr.
Luis Reyes Regional Administrator, Region II U.S. Nuclear Regulatory Commission Marquis One Tower 245 Peachtree Center Ave.,
NE Suite 1200
: Atlanta, Ga.
30303-1257 Andy Sabisch Senior Resident Inspector Oconee Nuclear Station S.
E.
Jenkins, Section Manager Division of Waste Management S.C. Department of Health and Environmental Control 2600 Bull Street
: Columbia, SC 29201
(
(


Attachment #1 Proposed TSB revision Remove Page                Insert Page B 3.4.12-12                   B 3.4.12-12
Attachment #1 Proposed TSB revision Insert Page B 3.4.12-12 Remove Page B 3.4.12-12


LTOP System B 3.4.12 BASES SURVEILLANCE       SR 3.4.12.6 (continued)
LTOP System B 3.4.12 BASES SURVEILLANCE REQUIREMENTS SR 3.4.12.6 (continued)
REQUIREMENTS The Frequency is shown by operating practice sufficient to regularly assess indications of potential degradation and verify operation within the safety analysis.
The Frequency is shown by operating practice sufficient to regularly assess indications of potential degradation and verify operation within the safety analysis.
SR 3.4.12.7 The performance of a CHANNEL CALIBRATION is required every 18 months. The CHANNEL CALIBRATION for the LTOP setpoint ensures that the PORV will be actuated at the appropriate RCS pressure by verifying the accuracy of the instrument string.
SR 3.4.12.7 The performance of a CHANNEL CALIBRATION is required every 18 months. The CHANNEL CALIBRATION for the LTOP setpoint ensures that the PORV will be actuated at the appropriate RCS pressure by verifying the accuracy of the instrument string.
REFERENCES         1.     10 CFR 50, Appendix G.
REFERENCES
: 2.     Generic Letter 88-11.
: 1.
: 3.     UFSAR, 5.2.3.7.
10 CFR 50, Appendix G.
: 4.     10 CFR 50.36.
: 2.
OCONEE UNITS 1, 2, & 3                 B 3.4.12-12       BASES REVISION DATED 7/21/10         I
Generic Letter 88-11.
: 3.
UFSAR, 5.2.3.7.
: 4.
10 CFR 50.36.
OCONEE UNITS 1, 2, & 3 B 3.4.12-12 BASES REVISION DATED 7/21/10 I


Attachment #2 Markup of current TSB
Attachment #2 Markup of current TSB


LTOP System B 3.4.12 BASES SURVEILLANCE     SR 3.4.12.6 (continued)
LTOP System B 3.4.12 BASES SURVEILLANCE REQUIREMENTS SR 3.4.12.6 (continued)
REQUIREMENTS The Frequency is shown by operating practice sufficient to regularly assess indications of potential degradation and verify operation within the safety analysis.
The Frequency is shown by operating practice sufficient to regularly assess indications of potential degradation and verify operation within the safety analysis.
SR 3.4.12.7
SR 3.4.12.7
                /"Iipfqrmance of a CHANNEL CALIBRATION is required every
/"Iipfqrmance of a CHANNEL CALIBRATION is required every 8 m is.
* 8 m is. The CHANNEL CALIBRATION for the LTOP setpoint                       I
The CHANNEL CALIBRATION for the LTOP setpoint
            /'*   ensure that the PORV will be actuated at the appropriate RCS pressure
/'*
            *--.~--*.y.~ying the accuracy of the instrument string.
ensure that the PORV will be actuated at the appropriate RCS pressure
REFERENCES         1.     10 CFR 50, Appendix G.
*--.~--*.y.~ying the accuracy of the instrument string.
: 2.     Generic Letter 88-11.
REFERENCES
: 3.     UFSAR, 5.2.3.7.
: 1.
: 4.     10 CFR 50.36.
10 CFR 50, Appendix G.
OCONEE UNITS 1, 2, & 3                 B 3.4.12-12           Amendment Nos.
: 2.
Q24&Wt-P9           X04}}
Generic Letter 88-11.
: 3.
UFSAR, 5.2.3.7.
: 4.
10 CFR 50.36.
I OCONEE UNITS 1, 2, & 3 B 3.4.12-12 Amendment Nos.
Q24&Wt-P9 X04}}

Latest revision as of 02:45, 14 January 2025

Technical Specifications Bases (TSB) Change
ML102720036
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 09/22/2010
From: Baxter D
Duke Energy Carolinas
To:
Document Control Desk, Office of New Reactors
References
Download: ML102720036 (6)
v • d • e


Text

Duke WEnergy.

DAVE BAXTER Vice President Oconee Nuclear Station Duke Energy ON01 VP / 7800 Rochester Highway Seneca, SC 29672 864-873-4460 864-873-4208 fax dave. baxter@duke-energy. corn September 22, 2010 U.

S.

Nuclear Regulatory Commission Washington, D. C.

20555 Attention: Document Control Desk

Subject:

Duke Energy Carolinas, LLC Oconee Nuclear Station Docket Numbers 50-269,

270, and 287 Technical Specification Bases (TSB)

Change On August 6,

2010, Duke Energy Implemented approved revisions to TSB 3.4.12, Low Temperature Overpressure Protection (LTOP)

System, Surveillance Requirement (SR) 3.4.12.7 frequency. contains the new TSB pages, Attachment 2 contains the marked up version of the TSB pages.

If any additional information is needed, please contact Reene Gambrell at 864-873-3364.

Sincerely, Dave axter Oconee Nuclear Site AO00 www. duke-energy. corn

U.

S.

Nuclear Regulatory Commission September 22, 2010 Page 2 cc:

Mr.

John Stang Office, of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-8 G9A Washington, DC 2,0555 Mr.

Luis Reyes Regional Administrator, Region II U.S. Nuclear Regulatory Commission Marquis One Tower 245 Peachtree Center Ave.,

NE Suite 1200

Atlanta, Ga.

30303-1257 Andy Sabisch Senior Resident Inspector Oconee Nuclear Station S.

E.

Jenkins, Section Manager Division of Waste Management S.C. Department of Health and Environmental Control 2600 Bull Street

Columbia, SC 29201

(

Attachment #1 Proposed TSB revision Insert Page B 3.4.12-12 Remove Page B 3.4.12-12

LTOP System B 3.4.12 BASES SURVEILLANCE REQUIREMENTS SR 3.4.12.6 (continued)

The Frequency is shown by operating practice sufficient to regularly assess indications of potential degradation and verify operation within the safety analysis.

SR 3.4.12.7 The performance of a CHANNEL CALIBRATION is required every 18 months. The CHANNEL CALIBRATION for the LTOP setpoint ensures that the PORV will be actuated at the appropriate RCS pressure by verifying the accuracy of the instrument string.

REFERENCES

1.

10 CFR 50, Appendix G.

2.

Generic Letter 88-11.

3.

UFSAR, 5.2.3.7.

4.

10 CFR 50.36.

OCONEE UNITS 1, 2, & 3 B 3.4.12-12 BASES REVISION DATED 7/21/10 I

Attachment #2 Markup of current TSB

LTOP System B 3.4.12 BASES SURVEILLANCE REQUIREMENTS SR 3.4.12.6 (continued)

The Frequency is shown by operating practice sufficient to regularly assess indications of potential degradation and verify operation within the safety analysis.

SR 3.4.12.7

/"Iipfqrmance of a CHANNEL CALIBRATION is required every 8 m is.

The CHANNEL CALIBRATION for the LTOP setpoint

/'*

ensure that the PORV will be actuated at the appropriate RCS pressure

  • --.~--*.y.~ying the accuracy of the instrument string.

REFERENCES

1.

10 CFR 50, Appendix G.

2.

Generic Letter 88-11.

3.

UFSAR, 5.2.3.7.

4.

10 CFR 50.36.

I OCONEE UNITS 1, 2, & 3 B 3.4.12-12 Amendment Nos.

Q24&Wt-P9 X04

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