ML20063B209

Amend 58 to License NPF-76,changing TSs by Allowing one-time -only Extension of Allowed Time for Unit 1 TDAFP from 72 to 168 H

ML20063B209
Person / Time
Site:	South Texas
Issue date:	01/25/1994
From:	Black S Office of Nuclear Reactor Regulation
To:
Shared Package
ML20063B212	List: ML20063B209 ML20063B213
References
NUDOCS 9401280070
Download: ML20063B209 (7)

Text

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0 ft UNITED STATES y,q j

j NUCLEAR REGULATORY COMMISSION s

WASHINoToN, D.C. 20066 0001 HOUSTON LIGHTING & POWER COMPANY CITY PUBLIC SERVICE BOARD OF SAN ANTONLQ CENTRAL POWER AND LIGHT COMPANY CITY OF AUSTIN. EXAS DOCKET NO. 50-498 SOUTH TEXAS _ PROJECT. UNIT 1 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 58 License No. NPF-76 1.

The Nuclear Regulatory Commission (the Commission) has found that:

A.

The application for amendment by Houston Lighting & Power Company *

(HL&P) acting on behalf of itself and for the City Public Service Board of San Antonio (CPS), Central Power and Light Company (CPL), and City of Austin, Texas (C0A) (the licensees) dated December 6, 1993, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Commission's rules and regulations set forth in 10 CFR Chapter I; B.

The facility will operate in conformity with the application, as amended, 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 d9fense and security or to the health and safety of the public; and F.

The issuance of this amendment is in accordance with 10 CFR Part 51 of the Comission's regulations and all applicable requirements have been satisfied.

• Houston Lighting & Power Company is authorized to act for the City Public Service Board of San Antonio, Central Power and Light Company and City of j

Austin, Texas and has exclusive responsibility and control over the physical construction, operation and maintenance of the facility.

l 9401280070 940125 PDR ADOCK 05000498 i

P pop _

a 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. NPF-76 is.hereby amended to read as follows:

2.

Technical Soecifications The Technical Specifications contained in Appendix A, as revised through Amendment No. 58

, and the Environmental Protection Plan contained in Appendix B, are hereby incorporated in the license. The-licensee shall operate the facility in accordance with the Technical i

Specifications and the Environmental Protection Plan.

3.

The license amendment is effective as of its date of issuance to be implemented within 10 days of issuance.

FOR THE NUCLEAR REGULATORY COMMISSION S

ew Suzan C. Black, Director Project Directorate IV Division of Reactor Projects Ill/IV/V Office of Nuclear Reactor Regulation

Attachment:

J Changes to the Technical Specifications Date of issuance: January 25, 1994 q

1

ATTACHMENT TO LICENSE AMENDMENT N0. 58 FACILITY OPERATING LICENSE NO. NPF-76 DOCKET NO. 50-498 Replace 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 areas of change. The corresponding overleaf pages are also provided to maintain document completeness.

REMOVE INSERT 3/4 7-4 3/4 7-4 3/4 7-5 3/4 7-5

TABLE 3.7-2 t

STEAM LINE SAFETY VALVES PER LOOP i

VALVE NUMBER LIFT SETTING (i 1%)*

ORIFICE SIZE LOOP A LOOP B LOOP C LOOP D 1.

PSV-7410 F5V 7420 F5V 7430 PSV-7440 1285'psig 16-in.2 2.

PSV-7410A PSV-7420A PSV-7430A PSV-7440A 1295'psig 16 in.2-3.

PSV-74108 PSV-74208 PSV-74308 PSV-7440B 1305 psig 16 in.2 4.

PSV-74100 PSV-74200 PSV-7430C PSV-7440C 1315 psig 16 in.2 5.

PSV-7410D PSV-74200 PSV-74300 PSV-74400 1325 psig 16 in.2 "The lift setting pressure shall correspond to ambient conditions of the valve at nominal operating temperature and pressure.

SOUTH TEXAS UNITS 1 & 2 3/4 7.

PLANT SYSTEMS AUXILIARY FEE 0 WATER SYSTEM LIMITING CONDITION FOR OPERATION 3.7.1.2 At least four independent steam generator auxiliary feedwater pumps and associated flow paths shall be OPERABLE with:

a.

Three motor-driven auxiliary feedwater pumps, each capable of being powered from separate emergency busses, and b.

One steam turbine-driven auxiliary feedwater pump capable of being powered from an OPERABLE steam supply system.

APPLICABILITY:

MODES 1, 2, and 3.

ACTION:

a.

With the Train A motor-driven auxiliary feedwater pump inoperable, initiate corrective actions to restore the pump to OPERABLE status as soon as possible. The provisions of Specification 4.0.4 are not applicable, b.

With any of the following combinations of auxiliary feedwater pumps inoperable:

1)

Train B or Train C motor-driven pump, 2)

Train D turbine-driven pump and any one motor-driven pump, 3)

Train A and either Train B or Train C motor-driven pump, or 4)

Train D turbine-driven pump Restore the affected auxiliary feedwater pump (s) to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT 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 HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

c.

With Train D turbine-driven auxiliary feedwater pump inoperable, restore the inoperable pump to OPERABLE status within 168 hours0.00194 days <br />0.0467 hours <br />2.777778e-4 weeks <br />6.3924e-5 months <br /> or be in at least HOT 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 H0T SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

These actions are applicable for Unit 1 only during the restart of Unit I from the 1993 Unit 1 Outage.

d.

With Train B and Train C motor driven pumps, or any three auxiliary l

feedwater pumps inoperable, be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

e.

With four auxiliary feedwater pumps inoperable, immediately initiate I

corrective action to restore at least one auxiliary feedwater pump to OPERABLE status as soon as possible.

SOUTH TEXAS - UNITS 1 & 2 3/4 7-4 Unit 1 - Amendment No.58

PLANT SYSTEMS SURVEILLANCE RE0VIREMENTS 4.7.1.2.1 Each auxiliary feedwater pump shall be demonstrated OPERABLE:

a.

At least once per 31 days on a STAGGERED TEST BASIS by:

1)

Verifying that each motor-driven pump develops a discharge pressure of greater than or equal to 1454 psig at a flow of greater than or equal to 540 gpm; 2)

Verifying that the steam turbine-driven pump develops a discharge pressure of greater than or equal to 1454 psig at a flow of greater than or equal to 540 gpm when the secondary steam supply pressure is greater than 1000 psig.

The provisions of Specification 4.0.4 are not applicable for entry into MODE 3; 3)

Verifying that each non-automatic valve in the flow path that is not locked, sealed, or otherwise secured in position is in its correct position; and 4)

Verifying that each automatic valve in the flow path is in the correct position whenever the Auxiliary Feedwater System is placed in automatic control or when above 10% RATED THERMAL POWER.

b.

At least once per 18 months during shutdown by:

1)

Verifying that each automatic valve in the flow path actuates to its correct position upon receipt of an Auxiliary Feedwater Actuation test signal, and 2)

Verifying that each auxiliary feedwater pump starts as designed automatically upon receipt of an Auxiliary Feedwater Actuation test signal.

3)

Verifying that each auxiliary feedwater flow regulating valve limits the flow to each steam generator between 550 gpm and 675 gpm.

4.7.1.2.2 An auxiliary feedwater flow path to each steam generator shall be demonstrated OPERABLE following each COLD SHUTDOWN of greater than 30 days prior to entering MODE 2 by verifying normal flow to each steam generator.

SOUTH TEXAS - UNITS 1 & 2 3/4 7-5 Unit 1 - Amendment No. 58

PLANT SYSTEMS AUXILIARY FEEDWATEI STORAGE TANK LIMITING CONDITION FOR OPERATION l

3.7.1.3 The auxiliary feedwater storage tank (AFST) shall be OPERABLE with a contained water volume of at least 485,000 gallons of water.

i APPLICABILITY:

MODES 1, 2, and 3.

ACTION:

With the AFST inoperable, within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> restore the AFST to OPERABLE status or be in at least HOT 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 HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

l SURVEILLANCE REOUIREMENTS i

I 4.7.1.3 The AFST shall be demonstrated OPERABLE 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 l

verifying the contained water volume is within its limits.

i t

SOUTH TEXAS - UNITS 1 & 2 3/4 7-6 Unit 1 - Amendment No. 33 Unit 2 - Amendment No. 24

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