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| document type = OPERATING LICENSES & AMENDMENTS, TEXT-LICENSE APPLICATIONS & PERMITS | | document type = OPERATING LICENSES & AMENDMENTS, TEXT-LICENSE APPLICATIONS & PERMITS | ||
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Latest revision as of 13:32, 11 December 2021
ML20149J993 | |
Person / Time | |
---|---|
Site: | Sequoyah ![]() |
Issue date: | 02/17/1988 |
From: | Zech G NRC OFFICE OF SPECIAL PROJECTS |
To: | |
Shared Package | |
ML20149J959 | List: |
References | |
NUDOCS 8802230315 | |
Download: ML20149J993 (9) | |
Text
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/ 9'% UNITED STATES
' I 'i NUCLEAR REGULATORY COMMISSION
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TENNESSEE VALLEY AUTHORITY DOCKET NO. 50-327 SECUOYAH NUCLEAR PLANT, UNIT 1 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 69 License No. DPR-77
- 1. The Nuclear Regulatory Conrission (the Comission) has found that:
A. The application for amendrent by Tennessee Valley Authority (the licensee) dated January 11, 1988, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act),
and the Comission's rules and regulations ret 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 Comission; C. There is reasorable assurance (1) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, end (ii) that such activities will be concucted in compliance with the Comission's regulations; l D. The issuance of this amendment will not be inimical to the comon defense and security or to the health and safety of the public; ard E. The issuance of this amendment is in accordance with 10 CFR Part 51 of the Comission's regulations and all applicable requirerents have been satisfied.
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- 2. Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachtnent to this license amendrent and paragraph 2.C.(2) of Facility Operating License No. DPR-77 is hereby amended to read as follows:
(2) Technical Specifications The Technical Specifications contained in Appendices A and 8, as revised through Arendment No. 68 , are hereby incorporated in the licerse. The licensee shall operate the facility in accordarce with the Technical Specifications.
- 3. This license amendment is effective as of its date of issuance.
FOR THE Nt' CLEAR REGULATORY COMMISSION
/ **
y r*-}_ y >- C < -.-
Garf-G. 'Zech Assistant Director for Projects TVA Projects Division Office of Special Projects
Attachment:
Changes to the Technice.1 Specifications Date nf Issuance: February 17,198S i
t ATTACHMENT TO LICENSE AMENOMENT NO. 68 ,
FACfLITY OPERATING LICENSE NO. DPR-77 DOCKET NO. 50-327 ;
l Revise the Appendix A Technical Specifications by rer.oving the pages .,'
l identified below and inserting the enclosed pages. The revised pages are identified _by the captioned arendrent number and contain rarginal lines intiicating the area of charge. Overleaf pages* are provided-to maintain doeurent completeness.
PEMOVE INSERT 3/4 7-17 3/4 7-17* ,
, 3/4 7-18 3/4 7-18 l
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PLANT SYSTEMS 3/4.7.7 CONTROL ROOM EMERGENCY VENTILATION SYSTEM LIMITING CONDITION FOR OPERATION 3.7.7 Two independent control room emergency ventilation systems shall be OPERABLE. ,
APPLICABILITY: ALL MODES ACTION:
MODES 1, 2, 3 and 4 With one control room emergency ventilation system inoperable, restore the inoperable system to OPERABLE status within 7 days or be in at least H0T STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> anu in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
MODES 5 and 6
- a. With one control room emergency ventilation system inoperable, restore the inoperable system to OPERABLE status within 7 days or initiate and maintain operation of the control rcom emergency ventilation system in the recirculation mode,
- b. With both control room emergency air ventilation systems inoperable, suspend all operations involving CORE ALTERATIONS or positive reactivity changes.
- c. The provisions of Specification 3.0.3 are not applicable in MODE 6.
SURVEILLANCE REQUIREMENTS 4.7.7 Each control room emergency ventilation system shal! s demonstrated OPEPABLE:
- a. At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by verifying that the control roor.1 air temperature is less than or equal to 1040F.
- b. At least once per 31 days on a STAGGERED TEST BASIS by initiating, frem the control room, flow through the HEPA filters and charcoal adsorbers and verifying that the system operates for at least 15 minutes.
- c. At least once per 18 months or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the system by:
SEQUOYAH - UNIT 1 3/4 7-17 Amendment No. 12
1 PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)
- 1. Verifying that the cleanup system satisfies the in place testing acceptance criteria and uses the test procedures of Regulatory Positions C.S.a, C.S.c and C.S.d of Regulatory Guide 1.52, Revision 2, March 1978 (except for the provisions of ANSI N510
- Sections 8 and 9), and the system flow rate is 4000 cfm 10%.
- 2. Verifying within 31 days after removal that a laboratory analysis of a representative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, meets the laboratory testing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978.
- 3. Verifying a system flow rate of 4000 cfm i 10% during system ,
operation when tested in accordance with ANSI N510-1975.
- d. After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation by verifying within 31 days after removal that a laboratory analysis of representa-tive carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, meets the laboratory testing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978.
- e. At least once per 18 months by:
- 1. Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is less than 3 inches Water Gauge while operating the system at a flow rate of 4000 cfm i 10%.
- 2. Verifying that on a safety injection signal or a high radiation signal from the air intake stream, the system automatically diverts its inlet flow through the HEPA filters and charcoal adsorber banks.
- 3. Verifying that the system maintains the control room at a positive pressure of greater than or equal to 1/8 inch Water Gauge relative to the outside atmosphere at a system flow rate of 4000 cfm 10% (1 3000 cfm recirculation and f 1000 cfm fresh air).
- f. After each complete or partial replacement of a HEPA filter bank by verifying that the HEPA filter banks remove greater than or equal to 99.95% of the 00P when they are tested in place in accordance with ANSI N510-1975 while operating the system at a flow rate of 4000 cfm 10%.
- g. After each complete or partial replacement of a charcoal adsorber 3 bank by verifying that the charcoal adsorbers remove greater than or equal to 99.95% of a halogenated hydrocarbon refrigerant test gas when they are tested in place in accordance with ANSI H510-1975 while operating the system at a flow rate of 4000 cfm i 10%.
SEQUOYAH - UNIT 1 3/4 7-18 Amendment No. 73 68
[gha af Cg%, UNITED STATES 8
!j NUCLEAR REGULATORY COMMISSION 3 ., - hy i r i WASHINGTON, O. C. 20555 1 9 /o/b TENNESSEE VALLEY AUTHORITY DOCKET N0. 50-328 SEQUOYAH NUCLEAR PLANT, UNIT 2 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 60 License No. DPR-79
- 1. The Nuclear Regulatory Comission (the Comission) has found that:
A. The application for amendment by Tenr.essee Valley Authority (the licensee) dated January 11, 1988, complies with the standard 3 and requirements of the Atomic Energy Act of 195a, as amended (the Act),
and the Comission's rules and re+ tions set forth in 10 CFP.
Chapter I; B. The facility will operate in conformity with the application, t'he prnvisions of the Act, and the rules and regulations of the Comission; C. There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without erdangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Comission's regulations; D. The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; ar.d E. The issuance of this amendment is in accordance with 10 CFR Part 51 of the Comission's regulatinns and all applicable requirements have been satisfieu.
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- 2. Accordingly, the license is amended by changes to the Technical l Specifications as indicated in the attachment to this license amendment i and paragraph 2.C.(2) of Facility Operatirs License No. DPR-79 is hereby j amended to read as follows 1
(2) Technical Specifications j The Technical Specifications contained in Appendicet A and B, as i revised thrcugh Amendment No. 60 , are hereby incorporated in the !
license. The licensee shall operate the facility in accordance with I the Technical Specifications.
- 3. This license amendment is effective as of its date of issuance.
FOR THE NUCLEAR REGULATORY COMMISSION i 1
, '.. v Gary 6 Zech, Assistant Director I for Projects ,
TVA Projects Division l Office of Special Projects Attacheent:
Changes to the Technical Specifications )
Date of Irsciace: February 17, 1988
ATTACHMENT TO LICENSE AMENDMENT NO. 60 FACILITY CPEPATING LICENSE NO. OPR-79 DOCKET NO. 50-328 Revise the Appendix A Technical Specifications ~ by removing the pages identified. bel' ow and inserting the enclosed pages. The revised pages are identified by the captioned amendment number and contain marginal lines indicating the area of change. Overleaf pages* are provided to maintain document completeness.
REPOVE I!4 SERT 3/4 7-17 3/4 7-17*
3/4 7-18 3/4 7-18 a
, PLANT SYSTEMS 3/4.7.7 CONTROL ROOM EMERGENCY VENTILATION SYSTEM LIMITING CONDITION FOR OPERATION 3.7.7 Two independent control room emergency ventilation systems shall be OPERABLE. ,
APPLICABILITY: ALL MODES ACTION:
MODES 1, 2, 3 and 4:
With one control room emergency ventilation system inoperable, restore the inoperable system to OPERABLE status within 7 days or be in at least H0T STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
MODES 5 and 6:
- a. With one control room emergency ventilation system inoperable, restere the inoperable system to OPERABLE status within 7 days or initiate and maintain operation of the control room emergency ventilation system in the recirculation mode.
- b. With both control room emergency air ventilation systems inoperable, suspend all oper utions involving CORE ALTERATIONS or positive ;
reactivity changes.
)
- c. The provisions of Specification 3.0.3 are not applicable in MODE 6.
SURVEILLANCE REQUIREMENTS 1
l 4.7.7 Each control room emergency ventilation system shall be demonstrated OPERABLE:
- a. At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by verifying that the control room air temperature is less than or equal to 104*F.
- b. At least once per 31 days on a STAGGERED TEST BASIS by initiating, t from the control room, flow through the HEPA filters and charcoal l adsorbers and verifying that the system operates for at least i 15 minutes.
- c. At least once per 18 months or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the system by:
SEQUOYAH - UNIT 2 3/4 7-17 Amendment No. 12
PLANT SYSTEMS '
SURVEILLANCE REQUIREMENTS (Continued) 1.
Verifying that the cleanup system satisfies the in place testing acceptance criteria and uses the test procedures of Regulatory Positions C.5.a, C.S.c and C.5.d of Regulatory Guide 1.52, Revision 2, March 1978 (except for the provisions of ANSI N510 Sections 8 and 9), and the system flow rate is 4000 cfm 1 10%.
- 2. ' Verifying, within 31 days after removal, that a laboratory analysis of a representative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, meets the laboratory testing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978.
- 3. Verifying a system flow rate of 4000 cfm + 10% during system operation when tested in accordance with ANSI N510-1975.
d.
After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation by verifying within 31 days after removal, that a laboratory analysis of a represen-tative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, meets the laboratory testing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978.
- e. At least once per 18 months by:
- 1. Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is less than 3 inches Water Gauge while operating the system at a flow rate of 4000 cfm 110%.
2.
Verifying that on a safety injection signal or high radiation signal from the air intake stream, the system automatically diverts its inlet flow through the HEPA filters and charcoal adsorber banks.
- 3. Verifying that the system maintains the control room at a positive pressure of greater than or equal to 1/8 inch Water Gauge relative to the outside atmosphere at a system flow rate of 4000 cfm i 10% (i: 3000 cfm recirculation and 5 1000 cfm fresh air). I
- f. After each complete or partial replacement of a HEPA filter bank by verifying that the HEPA filter banks remove greater than or equal to 99.95% of tN 00P when they are tested in place in accordance with ANSI N510-1975 while operating the system at a flow rate of 4000 cfm i 10%,
- g. After each complete or partial replacement of a charcoal adsorber bank by verifying that the charcoal adsorbers remove greater than or equal to 99.95% of a halogenated hydrocarbon refrigerant test gas when they are tested in place in accordance with ANSI N510-1975 while operating the system at a flow rate of 4000 cfm i 10%.
SEQUOYAH - UNIT 2 3/4 7-18 Amendment No. 60 l
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