ML20083Q431

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Amend 38 to License NPF-86,revising TS Re AC Power Sources During Operation in Modes 1-4
ML20083Q431
Person / Time
Site: Seabrook NextEra Energy icon.png
Issue date: 05/19/1995
From: Mckee P
Office of Nuclear Reactor Regulation
To:
Shared Package
ML20083Q433 List:
References
NUDOCS 9505250333
Download: ML20083Q431 (7)


Text

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UNITED STATES j*

j NUCLEAR REGULATORY COMMISSION o

2 WASHINGTON, D.C. 20666 4001

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NORTH ATLANTIC ENERGY SERVICE CORPORATION. ET AL*

DOCKET NO. 50-443 SEABROOK STATION. UNIT NO. I AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 38 License No. NPF-86 1.

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

A.

The application for amendment by North Atlantic Energy Service Corporation, et al. (the licensee), dated October 4,1993, 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, 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 endangerir,0 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 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.

  • North Atlantic Energy Service Company (NAESCO) is authorized to act as agent for the: North Atlantic Energy Corporation, Canal Electric Company, The Connecticut Light and Power Company, Great Bay Power Corporation, Hudson Light and Power Department, Massachusetts Municipal Wholesale Electric Company, Montaup Electric Company, New England Power Company, New Hampshire Electric Cooperative, Inc., Taunton Municipal Light Plant, and The United Illuminating Company, and has exclusive responsibility and control over the physical construction, operation, and maintenance of the facility.

9505250333 950519 PDR ADOCK 05000443 p

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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, and paragraph 2.C.(2) of Facility Operating License No. NPF-86 is.hereby, amended to read as follows:

~(2) Technical Soecifications The Technical Specifications contained in Appendix A, as revised through Amendment No. 38, and the Environmental Protection Plan contained in Appendix B are incorporated into Facility License No.

NPF-86. NAESCO shall operate the facility in accordance with the Technical Specifications and the Environmental Protection Plan.

3.

This license amendment is effective as of the date of its issuance, to be implemented within 60 days of issuance.

FOR THE NUCLEAR REGULATORY COMMISSION Q1ud Phillip F.

cKee, Direct Project Directorate I-3 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of Issuance:

May 19, 1995 i

1 l

i ATTACHMENT TO LICENSE AMENDMENT NO. 38 FACILITY OPERATING LICENSE NO. NPF-86 DOCKET NO. 50-443 Replace the following pages of Appendix A, Technical Specifications, with the attached pages as indicated. The revised pages are identified by amendment number and contain vertic 1 lines indicating the areas of change. Overleaf pages have been pr,ovided.3 Remove Insert 3/4 8-3 3/4 8-3 3/4 8-4*

3/4 8-4*

3/4 8-7*

3/4 8-7*

3/4 8-8 3/4 8-8 s

4

' ELECTRICAL POWER SYSTEMS A'C. SOURCES OPERATING SURVEILLANCE REQUIREMENTS 4.8.1.1.1 Each of the above required independent circuits between the offsite 1

transmission network and the Onsite Class lE Distribution System shall be:

a.

Determined OPERA 8LE at least once per 7 days by verifying correct breaker alignments, indicated power availability, and b.

Demonstrated OPERABLE at least once per 18 months during shutdown by transferring (manually and automatically) unit power supply from i

the normal circuit to the alternate circuit.

4.8.1.1.2 Each diesel generator shall be demonstrated OPERABLE:*

a.

In accordance with the frequency specified in Table 4.8-1 on a STAGGERED TEST BASIS by:

i 1)

Verifying the fuel level in the day fuel tank; 2)

Verifying the fuel level in the fuel storage tank; r

3)

Verifying the fuel transfer pump starts and transfers fuel from the storage system to the day tank; 4)

Verifying the lubricating oil inventory in storage; 5)

Verifying the diesel starts from standby conditions and attains a generator voltage and frequency of 4160 i 420 volts l

and 60 i 1.2 Hz within 10 seconds after the start signal.

1 The diesel generator shall be started for this test by using one of the following signals:

a)

Manual, or b)

Simulated loss-of-offsite power by itself, or l

  • All planned starts for the purpose of these surveillances may be preceded by an engine prelube period.

SEABROOK - UNIT 1 3/4 8-3 Amendment No. 38

I i

ELECTRICAL POWER SYSTEMS A.C. SOURCES OPERATING SURVEILLANCE REQUIREMENTS 4.8.1.1.2 (Continued) c)

Simulated loss-of-offsite power in conjunction with an SI Actuation test signal, or d)

An SI Actuation test signal by itself.

i-6)

Verifying'the generator.is' synchronized, loaded to greater,

than or equal to 5600 kW and less than or equal to 6100 kW,

and operates with a load greater than or equal to 5600 kW and less than or equal to 6100 kW for at least 60 minutes; and j

7)

Verifying the diesel generator is aligned to provide standby power to the associated emergency busses.

b.

At least once per 31 days and after each operation of the diesel where the period of operation was greater than or equal to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> by checking for and removing accumulated water from the day fuel r tank; c.

At least once per 31 days by checking for and removing accumulated water from the fuel oil storage tanks; d.

By sampling new fuel oil in accordance with ASTM-D4057-81 prior to addition to storage tanks and:

1)

By verifying in accordance with the tests specified in ASTM-D975-81 prior to addition to the storage tanks that the sample has:

a)

An API Gravity of within 0.3 degree at 60*F, or a specific gravity of within 0.0016 at 60/60*F, when compared to the supplier's certificate, or an absolute specific gravity at 60/60'F of greater than or equal to 0.81 but less than or equal to 0.89, or an API gravity of greater than or equal to 28 degrees but less than or equal to 42 degrees;

    • Diesel generator loading may be in accordance with manufacturers recommendation, including a warmup period. The load range is provided to preclude routine overloading of the diesel generator. Momentary transients outside the load range, due to changing bus conditions, do not invalidate the test.

I SEABROOK - UNIT 1 3/4 8-4 Amendment No. 13

]

ELECTRICAL POWER SYSTEMS A.C. SOURCES OPERATING SURVEILLANCE REQUIREMENTS 4.8.1.1.2 (Continued) 7)

Verifying the diesel generator operates for at least 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.. During the first 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of this test, the diesel

  • generator shall be loaded to greatg,r than or equal to 6363 kW and less than or equal to 6700 kW.

During the remaining 22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> of this test, the diesel generator shall be loaded to greater than or equal to 5600 kW and.less than or equal to 6100 kW.

The generator voltage and frequency shall be 4160 i 420 volts and 60 i 1.2 Hz within 10 seconds after the start signal; the steady-state generator voltage and frequency shall be maintained within these limits during this test. Within 5 minutes after completing this 24-hour test, verify that the diesel generator starts on a manual or auto start signal, attains generator voltage and frequency of 4160i420voltsand60i1.2Hzwigin10 seconds,and operates for longer than 5 minutes.

J 8)

Verifying that the auto-connected loads to each diesel generator do not exceed the short time rating of 6697 kW; 9)

Verifying the diesel generator's capability to:

I 1

a)

Synchronize with the offsite power source while the generator is loaded with its emergency loads upon a simulated restoration of offsite power, i

b)

Transfer its loads to the offsite power source, and 1

c)

Be restored to its standby status.

    • Diesel generator loading may be in accordance with manufacturers recommendations, including a warmup period. The load range is provided to preclude routine overloading of the diesel generator. Momentary transients outside the load range, due to changing bus conditions, do not invalidate the test.
      • If the diesel generator fails to start during this test, then it is not necessary to repeat the preceding 24-hour test.

Instead, the diesel

. generator may be operated at greater than or equal to 5600 kW and less than or equal to 6100 kW for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or until operating temperature has stabilized. The load range is provided to preclude routine overloading of the diesel generator. Homentary transients outside the load range, due to changing bus conditions, do not invalidate the test.

l SEABROOK - UNIT 1 3/4 8-7 Amendment No. 13 i

1 ELECTRICAL POWER SYSTEMS

'A.C. SOURCES OPERATING SURVEILLANCE REQUIREMENTS e

4.8.1.1.2 (Continued) 10)

Verifying that with the diesel generator operating in a test

, mode, connected to its bus, a simulated Safety Injection signal overrides the test mode by: (1) returning the diesel generator to standby operation, and (2) automatically energizing the emergency loads with offsite power; 11)

Verifying that the fuel transfer pump transfers fuel from each fuel storage tank to the day tank of each diesel via the installed cross-connection lines; 12)

Verifying that the emergency power sequence timer is OPERABLE with the interval between each load block within i 10% of its design interval; 13)

Verifying that the following diesel generator lockout features prevent diesel generator starting:

t a)

Barring device engaged, or b)

Differential lockout relay.

14)

Simulating a Tower Actuation (TA) signal while the diesel generator is loaded with the permanently connected loads and auto-connected emergency (accident) loads, and verifying that the service water pump automatically trips, and that the cooling tower pump and fan (s) automatically start. After energization the steady state voltage and frequency of the emergency buses shall be maintained at 4160 i 420 volts and 60 i 1.2 Hz; and 15)

While diesel generator IA is loaded with the permanently.

connected loads and auto-connected emergency (accident) loads, manually connect the 1500 hp startup feedwater pump to 4160-volt bus E5. After energization the steady-state voltage and frequency of the emergency bus shall be maintained at 4160 i 420 volts and 60 i 1.2 Hz.

g.

At least once per 10 years or after any modifications which could affect diesel generator interdependence by starting both diesel generators simultaneously, during shutdown, and verifying that both j

diesel generators accelerate to 60 i 1.2 Hz in less than or equal l

to 10 seconds; and SEABROOK - UNIT 1 3/4 8-8 Amendment No. 38

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