ML20100J797
| ML20100J797 | |
| Person / Time | |
|---|---|
| Site: | North Anna  (NPF-07-A-042, NPF-7-A-42) |
| Issue date: | 11/28/1984 |
| From: | John Miller Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20100J800 | List: |
| References | |
| NUDOCS 8412100455 | |
| Download: ML20100J797 (7) | |
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UNITED STATES NUCLEAR REGULATORY COMMISSION j
r,j WASHIN.2 TON, D. C. 20555 VIR.ilNIA ELECTRIC AND POWER COMPANY Oli) DOMINION ELECTRIC COOPERATIVE DOCKET N0. 50-339 NORTH ANNA POWER STATION, UNIT NO. 2 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No.42 License No. NPF-7 1.
The Nuclear Regulatory Comission (the Comission) has found that:
A.
The application for amendment by Virginia Electric and Power Company (the licensee) dat.ed March 15, 1984 complies with the stanc'ards and requirements of the Atomic Energy Act of 1954, as amended (the Act) and the Comission'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 regul6tions; 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 Comission's regulations and all applicable requirements have been satisfied.
8412100455 841128
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pDRADOCK 05000339 PDR
l 2.
Accordingly, the license is amended by changes to the Technical Speci-fications as indicated in the attachment to this license amendment, and paragraph 2.C.(2) of Facility Operating License No. NPF-7 is hereby amended to read as follows:
(2) Technical Snecifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No.42, are hereby incorporated in the license. The licensee shall operate the facility in accordance with the Technical Specifications.
3.
This license amendment is effective upon the date of its issuance.
FOR THE NUCLEAR REGULATORY COMMISSION
/k YU es R. Miller, Chief Operating Reactors Branch #3 Division of Licensing
Attachment:
Changes to the Technical Specifications Date of Issuance:
November 28, 1984 n.
ATTACHMENT TO LICENSE AMENDMENT AMENDMENT NO. 42 TO FACILITY OPERATING LICENSE NO. NPF-7 DOCKET N0. 50-339 Replace the follow'ing pages of the Appendix "A" Technical Specifications with the enclosed pages as indicated. The revised pages are identified by amendment nurber and contain vertical lines indicating the area of change.
The correspnding overleaf pages are also provided to maintain document completeness.
Page 3/4 8-4 3/4 8-5 l
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ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 1.
Verifying the fuel level in the day tank.
2.
Verifying the fuel level in the fuel storage tank.
3.
Verifying the fuel transfer pump can be started and transfers fuel from the storage system to the day tank.
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4.
Verifying the diesel starts from ambient condition and
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accelerates to at least 900 rpm in less than or equal to 10 seconds. The generator voltage and frequency shall be 4160 420 volts and 60 1.2 Hz within 10 seconds after the start signal.
The diesel generator shall be started for this test by using one of the following signals with startup on each signal verified at least once per 124 days.
a)
Manual.
(
b)
Simulated loss of offsite power by itself.
c)
Simulated loss of offsite power in conjunction with an ESF actuation test signal.
d)
An ESF actuation test signal by itself.
5.
Verifying the generator is synchronized, loaded to greater than or equal to 2750 kw in less than or equal to 60 seconds, and operates for greater than or equal to (0 minutes.
c 6.
Verifying the diesel generator is aligned to provide standby power to the associated emergency busses.
b.
At least once per 92 days by verifying that a sample of diesel fuel from the fuel storage tank obtained at a ORAIN Sample in accordance with ASTM-0270-65, is within the acceptable limits specified in Table 1 of ASTM 0975-74 when checked for viscosity, water and i
sediment.
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c.
At least once per 18 months during shutdown by:
l 1.
Subjecting the diesel to an inspection in accordance with procedures prepared in conjunction with its manufacturer's recommendations for this class of standby service, 2.
Verifying that, on rejection of a load of greater than or equal to 610 kw the voltage and frequency are maintained within 4160 420 volts and 60 1 1.2 Hz.
3.
Verirying that the load sequencing timers are OPERABLE with times within the tolerances shown in Table 4.8-1.
NORTH ANNA - UNIT 2 3/4 8-3 i
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J ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 4.
Simulating a loss of offsite power by itself, and:
a)
Verifying de-energization of the emergency busses and load shedding from the emergency busses.
b)
Verifying the diesel starts on the ?.uto-start signal, energizes the emergency busses with pennanently connected loads within 10 seconds, energizes the auto-connected shutdown loads through the sequencing timers and operates for greater than or equal to 5 minutes while its generator is loaded with the shutdown loads. After energization of these loads, the steady state voltage and frequency shall be maintained at 4160 1 420 volts 3nd 60 1 1.2 Hz.
5.
Verifying that on an ESF actuation test signal (without loss of offsite power) the diesel generator starts on the auto-start signal and operates on standby for greater than or equal to 5 minutes.
6.
Simulating a loss of offsite power in conjunction with an ESF l
actuation test signal, and a)
Verifying de-energization of the emergency busses and load shedding from the emergency busses, b)
Verifying the diesel starts from ambient condition on the auto-start signal, energizes the emergency busses with permanently connected loads within 10 seconds, energizes the auto-connected emergency (accident) loads through the sequencing times and operates for greater than or equal to 5 minutes while its generator is loaded with the emergency loads and maintains the steady state voltage and frequency at 4160 + 420 volts and 60 + 1.2 Hz.
c)
Verifying that all diesel generator trips, except engine l
overspeed, generator differential and breaker over current are automatically bypassed upon loss of voltage on the emergency bus and/or a safety injection actuation signal.
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' NORTH ANNA - UNIT 2 3/4 8-4 Amendment No. 42
ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (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 />.
1 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 greater than or equal to 3025 kw and 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 2750 kw. Within 5 minutes after completing this 24-hour test, perform Specification 4.8.1.1.2.c.4.
8.
Verifying that the auto-connected loads to each diesel gener-I ator do not exceed the 2000 hour0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br /> rating of 3000 kw.
9.
Verifying the diesel generator's capability to:
l a)
Synchronize with the offsite power source while the generator is loaded with its emergency loads upon a simulated restoration of offsite power, b)
Transfer its loads to the offsite power source, and c)
Proceed through its shutdown sequence.
10.
Verifying that the following diesel generator lockout features I
prevent diesel generator starting only when requitad:
a)
Remote Local Selection Switch b)
Emergency Stop Switch d.
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 diesel generators accelerate to at least 900 rpm in less than or equal to 10 seconds.
4.8.1.1.3 Each diesel generator 125-volt battery bank and charger shall be demonstrated OPERABLE:
a.
At least once per 7 days by verifying that:
1.
The electrolyte level of each pilot cell is between the minimum and maximum level indication marks, 2.
The pilot cell specific gravity, corrected to 77'F and full electrolyte level, is greater than or equal to 1.200, 3.
The pilot cell voltage is greater than or equal to 2.08 volts, and NORTH ANNA - UNIT 2 3/4 8-5 Amendment No. 42
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n-l ELECTRICAL POWER SYSTEMS TE SURVEILLANCE REQUIREMENTS (Continued)
Op 4.
The overall battery voltage is greater than or equal to 125 volts, b.
At least once per 92 days by verifying that:
1.
The voltage of each connected cell is greater than or equal to 2.08 volts under float charge and has not decreased more than 0.05 volts from the value observed during the previous test, 2.
The specific gravity, corrected to 77'F and full electrolyte level, of each connected cell is greater than or equal to 1.200 and has not decreased more than 0.08 from the value observed during the previous test, and 3.
The electrolyte level of each connected cell is between the minimum and maximum level indication marks.
c.
At least once per 18 months by verifying that:
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1.
The cells, cell plates and battery racks show no visual indica-tion of physical damage or abnormal deterioration.
2.
The cell-to-cell and terminal connections are clean, tight and coated with anti-corrosion material.
1 3.
The resistance of each cell-to-cell and terminal connection is less than or equal to 0.01 ohms.
4.
The battery charger will supply at least ten amperes at 125 volts for at least 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.
d.
At least once per 60 months, during shutdown, by verifying that the battery capacity is at least 80% of the manufacturer's rating when subjected to a performance discharge test.
4.8.1.1.4 Reports - All diesel generator failures, valid or non-valid, shall be reported to the Commission pursuant to Specification 6.9.1.
If the number of failures in the last 100 valid tests (on a per nuclear unit basis) is is greater than or equal to 7, the report shall be supplemented to include the additional information recommended in Regulatory Position C.3.b of Regulatory Guide 1.108, Revision 1 August 1977.
NORTH ANNA - UNIT 2 3/4 8-6 1