ML20076E045
| ML20076E045 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 08/06/1991 |
| From: | Quay T Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20076E048 | List: |
| References | |
| NPF-06-A-122 NUDOCS 9108150039 | |
| Download: ML20076E045 (7) | |
Text
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UNITED STATES
? ! Af i NUCLEAR REGULATORY COMMISSION
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ENTERGY OPERATIONS, INC.
DOCKET NO. 50-368 ARKANSAS NUCLEAR ONE, UNIT NO. 2 AMENDMENT TO FACILITY OPERATING _ LICENSE Amendment No. 122 License No. NPF-6 1.
The Nuclear Regulatory Commission (the Commission) has found that:
A.
The application for amendment by Entergy Operations, Inc.
(the licensee) dated January 29, 1991, as revised July 29, 1991, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Commissicn's rules and regulations set forth in 10 CFR Chapter I; B.
The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission; C.
There is reasonable assurance:
(i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations; D.
The issuance of this license amendment will not be inimical to the common defense and security or to the health and safety of the public; and E.
The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.
9108150039 910006 PDR ADOCK 05000360 p
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2 2.
Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and Paragraph 2.C.(2) of facility Operating License No.
NPT-6 is hereby amended to read as follows:
f 2.
Technical Specifications The Technical Specifications contained in Appendix A, as revised through Amendment No.122, are hereby incorporated in the license. The licensee shall operate the facility in accordance with the Technical Specifications.
3.
The license amendment is effective 30 days from date of issuance.
TOR THE NUCLEAR REGULATORY COMMISSION
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Theodore R. Quay, Director Project Directorate IV-1 Division of Reactor Projects 111, IV, and V Office of Nuclear Reactor Regulation
Attachment:
Changes to the Technical Specifications Date of Issuance:
August 6, 1991 k
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4 ATTACHMENT TO LICENSE AMEN 0 MENT NO.12P FACILITY OPERATING LICENSE NO. NPF-6 DOCKET NO. 50-368 Revise the following pages of the Appendix "A" Technical Specifications with the attached pages. The revised pages are identified by Amendment number and contain vertical lines indicating the area of change.
The corresponding overleaf pages are also provided to maintain document completeness.
EMOVEPAGES INSERT PAGES 3/4 2-1 3/4 2-1 3/4 2-7 3/4 2-7
2/_4.2 POWER DISTR!PUTION LIMITS i
3/4.2.1 LINEAR HEAT RATE f1HfTING CONDITfON FOR OPERATION 3.2.1 The linear best rate 11eit shall be maintained by either Maintaining COLSS calculated core power less than or equal to a.
COLSS calculated core power operating limit based on linear host rate (when COLSS is in service); or b.
Operating within the region of acceptable operation of Tigure 3.2-1 using any operable CPC Channel (when COLSS la out of service).
APILICAPILf TY: MODE 1 above 20% of RATED THERMAL POWER.
ACIlfS:
a.
With COLS,, service and the linear heat rate limit not being maintainer, s indicated by COLSS calculated core powes-exceeding the COLSS caleslated core power operating limit based on Ifnear heat rate, within 15 %inutes initiate corrective action to reduce the linear heat rate to within the limit and either 1.
Restore the linear heat rate to within its limits within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> of tie initiating event, or 2.
Reduce THERMAL POWER to less than or equal to 20% of kATED THIRMAL POVER within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
b.
With COLSS out of service and the linear heat rate limit not being maintained as indicated by operation outside the region of acceptable operation in Figure 3.2 1, either:
1.
Restora the linear heat rate to within its limits within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of tl g. initiating event, or 2.
Reduu. THERMAL POWER to less than or equal to 20% of RATED THERM /L POWER within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
SURVEILLANCE REQUIREMENTS 4.2.1.1 The provisions of Specification 4.0.4 are not applicable.
4.2.1.2 The linear heat rate shall be determined to be within its lielts when THERMAL POWER is above 20% of RATED THERMAL POWER by continuously menitoring the core power distribution with the Core Operating Limit Supervisory System (COLSS) or, with the COLSS out of service, by verifying at least once per 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> that the linear heat rate, as indicated on any i
OPERABLE CPC channel, is within the limit shown on Figure 3.2-1.
l 4.2.1.3 At least once per 31 days, the COLSS Margin Alarm shall be
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verified to actuate at a THERMAL POWER level less than or equal to the core i
power operating limit based on linear heat rate.
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ARKANSAS --UNIT 2 3/4 2-2 Amendment No, 14'. 79
POWER DISTRIBUTION LIMITS I
QS)E MARGIN LIMfifMG CONDITION TOR OPTRATION 3.2.4 The DNBR limit shall be maintained by one of the following methods:
Maintaining COLSS calculated core power less than or equal to a.
COLSS calculated core power operating limit based on DNBR (when COLSS is in service, and at least one CEAC is operable); or b.
Maintaining COLSS calculated core power less than or equal to COLSS calculated core power operating limit based on DNBR decreased by 13.0% (when COLSS is in service and neither CEAC is operable); or Operating within the region of acceptable operation of Tigure c.
3.2-2 using any operable CPC channel (when COLSS is out of service and at least one CEAC is operable); or d.
Operating within the region of acceptable operation' of Figure 3.2-3.using any operable CPC channel (when COLSS is out of service and neither CEAC is operable).
APPLICABILITY: HODE 1 above 20% of RATED THERMAL POWER.
AC11Dii:
With COLSS in service and the DNBR limit not being maintained as s.
indicated by COLSS calculated core power exceeding the COLSS calculated core power operating limit based on DNBR, within 15 minutes initiate corrective action to reduce the DNBR to within the limits and either:
1.
Restore the DNBR to s, thin itt-limits within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> of the initiating event, or 2.
Reduce THERMAL POVER to less than or equal to 20% of RATED THERMAL POWER within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.-
b.
With COLSS out of service and the DNBR limit _not being maintained as indicated by operation outside the region of acceptable operation in Figure 3.2-2 or 3.2-3 asfspplicable, either:
1.
Restore the DNBR to within its limits within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of the initiating event, or 2.
Reduce THERMAL POWER to less than or equal to 20% of RATED THERMAL POWER within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
SURVEILLANCE REQUIREMENTS 4.2.4.1 The provisions of Specification 4.0.4 are not applicable.
ARKANSAS - UNIT 2 3/4 2-7 Amendment No. FA. 89. 79 122
POWER DISTRIEUTION LIMITS SURVE!LLANCE PEQ210E"[NTS (c_qglip,ggg) 4.2.4.2 The DNBR shall be determined to be within its limits when THERMAL POWER is above 20'. of RATED THERMAL POWER by continuously monitoring the core power distribution with the Core Operating Limit Supervisory System (COLSS) or, with the COL 55 out of service, by verifying at least once per 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> that the DNBR, as indicated on any OPERABLE CPC channel, is within the limit shown on Figures 3.2-2 or 3.2-3, as applicable.
4.2.4.3 At least once per 31 days, the COL 55 Margin Alarm shall be verified to actuate at a THERMAL POWER level less than or equal to the core power operating limit based on DNSR, ARKANSAS - UNIT 2 3/4 2-7a Amendment No.
79