Text

Amends 101 & 65 to Licenses NPF-39 & NPF-85,respectively, Revising TS Surveillance Requirements Re Emergency DG Acceptable Steady State Voltage Range
	ML20091P060
Person / Time
Site:	Limerick
Issue date:	08/24/1995
From:	Stolz J; Office of Nuclear Reactor Regulation
To:	; Philadelphia Electric Co
Shared Package
ML20091P062	List: ML20091P060; ML20091P064;
References
	NPF-39-A-101, NPF-85-A-065 NUDOCS 9508310380
	Download: ML20091P060 (16)
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9'k UNITED STATES j-NUCLEAR REGULATORY COMMISSION f

WASHINGTON. D.C. 2006H001

%,..... pf PHILADELPHIA ELECTRIC COMPANY DOCKET NO. 50-352 LIMERICK GENERATING STATION. UNIT 1 AMENDMENT TO FACILITY OPERATING LICENSE l

Amendment No. 101 l

License No. NPF-39 1

1.

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

A.

The application for amendment by Philadelphia Electric Company (the licensee) dated February 22, 1995, complies with the standards 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 Comission; C.

There is reasonable assurance (i) that the activities authorized by

{

this amendment can be conducted without endangering the health and l

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 comon 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.

l l

2 9508310380 950824 PDR ADOCK 05000352 P

PDR

' 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-39 is hereby' amended to read as follows:

j Technical Soecifications The Technical Specifications contained in Appendix A and.the Environmental Protection Plan contained in Appendix B, as revised through Amendment No.

101, are hereby incorporated into this license.

Philadelphia Electric Company shall operate the facility in accordance with.the Technical Specifications and the Environmental Protection Plan.

-3.

This license amendment is effective as of its date of issuance and shall

)

be implemented within 30 days of issuance.

FOR THE NUCLEAR REGULATORY COMMISSION i

h 4. Stolz, Director r ject Directorate I vision of Reactor Projects - I/II Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of Issuance: August 24, 1995

ATTACHMENT TO LICENSE AMENDMENT N0.101 FACILITY OPERATING LICENSE NO. NPF-39 DOCKET NO. 50-352 L

Replace the following pages of the Appendix A Technical Specifications with the attached pages.

The revised pages are identified by Amendment number and L

contain vertical lines indicating the area of change.

Remove Insert 3/4 8-3 3/4 8-3 3/4 8-4 3/4 8-4 3/4 8-5 3/4 8-5 3/4 8-6 3/4 8-6 3/4 8-7a 3/4 8-7a 9

l l

ELECTRICAL POWER SYSTEliS SURVEILLANCE REQUIREMENTS 4.8.1.1.1 Each of the above required independent circuits between the offsite transmission network and the onsite Class IE distribution system shall be:

a.

Determined OPERABLE at least once' per 7 days by verifying correct breaker alignments and indicated power availability, and b.

Demonstrated OPERABLE at least once per 24 months by transferring, manually and automatically, unit power supply from the normal circuit to the alternate circuit.

4.8.1.1.2 Each of the above required diesel generators shall be demonstrated OPERABLE:

a.

In accordance with the frequency specified in Table 4.8.1.1.2-1 on a STAGGERED TEST BASIS by:

1.

Verifying the fuel level in the day fuel tank.

2.

Verifying the fuel level in the fuel storage tank.

3.

Verifying the fuel transfer pump starts and transfers fuel from the storage system to the day fuel tank.

4.

Verify that the diesel can start

and gradually accelerate to synchronous speed with generator voltage and frequency at 4280 120 volts and 60 1.2 HZ.

5.

Verify diesel is synchronized, gradually loaded

to an indicated 2700-2800 KW** and operates with this load for at least 60 minutes.

6.

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

7.

Verifying the pressure iri all diesel generator air start receivers to be greater than or equal to 225 psig.

This test shall be conducted in accordance with the manufacturer's recommendations regarding engine pre-lube and warmup procedures, and as applicable regarding loading and shutdown recommendations.

- This band is meant as guidance to avoid routine overloading of the engine.

Loads in excess of this band for special testing under direct monitoring by the manufacturer or momentary variations due to changing bus loads shall not-invalidate the test.

LIMERICK - UNIT 1 3/4 8-3 knendment No. 32, 77, 101

.j

7 hELECTRICALPOWER-SYSTEMS f[SilRVEILLANCE REONTREMENTS - (Continued) ib.

By. remov.ing _ accumulate' d water:

1)

From the day. tank at.least..once-per 31 days and after_each occa-sion when the diesel is operated fo greater than 1~ hour, and 2)

From the storage tank'at least once per 31 days..

c.

By sampling new fuel oil in accordance with ASTM D4057-81' prior to j

addition.to the storage tanks and:

1)-

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

?

a)'

An API Gravity of within 0.3 degrees at 60*F or a specific.

q 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 0.83 but less than or a

equal. to 0.89 or an API gravity at-60*F of greater than or -

l equal to 27 degrees but less-than or. equal to 39 degrees.

b)

A kinematic viscosity at 40*C of greater than or equal to 1.9 centistakes, but less than or equal to 4.1 centistokes, i.

if gravity was not determined by comparison with the supplier's certification.

1 c)

. A flash point equal to or greater than 125'F, and-d)

A clear and. bright appearance with~pr'oper-color.when tested in accordance with ASTM D4176-82.

i 2)

By verifying within 31 days of obtaining the sample' that the other properties specified in Table'1 of ASTM D975-81:are met-when tssted in accordance with ASTM D975-81 except that the-analysis for sulfur may be performed Lin accordance with t ASTM D1552-79 or ASTM D2622-82.

i d.-

At least'once every 31 days by obtaining a sample of fuel oil from j

the storage tanks in accordance with ASTM D2276-78, and verifying.

that total particulate contamination is less than 10 mg/ liter when

-checked in accordance with ASTM D2276-78,. Method A, except that the filters specified in ASTM D2276-78, Sections 5.1.6 and 5.1.7, may have.a nominal pore size of.up to three (3) microns.

/

e.

At the following frequency by:-

1.

Every 18 months subjecting the diesel to an-inspection in accordanceL with procedures prepared in~ conjunction with its manufacturer's recommendations for this class of~ standby' service.

2.

Every 24 months verify the-diesel generator capability'to reject =a.

load of greater than_ or equal to that.of the RHR Pump Motor-.(992 Kw).

for each diesel generator while. maintaining voltage _ at 4285 420-volts and frequency at 60 1.2 hz and after steady state conditions are reached, voltage is maintained at 4280 120 volts.

.]

l LIMERICK - UNIT-1 3/4 8-4 Amendment No. 32, 71, 101'

~,.

'ELECTRdkL"PbWER' SYSTEM

..x SNRVEILLAKE REQUIREMENTS 1 Continued) 13.,

Every 24 months verifying the diesel generator capab'ility toireject a load of 2850 kW without. tripping.. The. generator voltage:shall' not exceed:4784 volts during and following the load rejection.

4.

Every 24 -months simulating a. loss-of-offsite power by itself, and:

_a)

Verifying-deenergization of the' emergency busses.and load) e shedding from the emergency busses.

b)

-Verifying the diesel generator. starts

on.the auto-start signal, energizes the emergency busses within 10 seconds; energizes the auto-connected loads through the individuali load timers and operates for greater' than or equal to 5 minutes:

n while-its ganerator.is loaded with.the shutdown loads. After:

energization,-the steady-state voltage and frequency of the 1

emergency busses shall. be maintained at 4280 120 volts-and l -

60 1.2 Hz during this test.

5.

Every 24 months verifying that on an ECCS ' 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. The generator voltage and frequency shall reach 4280 120 volts and 60 1.2 Hz within 10-seconds after the auto-start signal; the steady state generator voltage and j

7 frequency shall be maintained within these limits during this test.

u 6.

Every 24 months simulating a loss-of-offsite power in conjunction with an ECCS actuation test signal, and:

y a)

Verifying deenergization of the emergency busses and load l

-shedding from the emergency busses.

b)

Verifying the diesel generator starts *.on the auto-start ~

signal, energizes the emergency busses 1within 10 seconds, energizes the auto-connected shutdown ~1oads through the individual load timers and operates for greater than or __

equal to 5 minutes while its generator.is loaded with the emergency loads. After energizationi the steady-state voltage and frequency of the emergency busses shall be maintained at 4280 120 volts -and 60 1.2 Hz during ll this test.

7.

Every 24 months verifying that all automatic diesel generator trips, except engine overspeed and generator differential over-current are automatically bypassed upon an ECCS actuation signal.

1

-o This test shall be conducted in accordance with the manufacturer's 1

recommendations regarding engine prelube and warm-up procedures, and as applicable regarding loading and shutdown recommendations.-

4 L

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' LIMERICK m UNIT 1 3/4 8-5 Amendment No. 32, 71, 101 4

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a ELECTRICAL POWER SYSTEMS i SURVEILLANCE REQUIREMENTS -(Continuedi 8.

' a)

Every 18 months verifying the diesel generator operates

for at least 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .. During the first 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months of this test, the diesel generator shall be loaded to an indicated '2950-3050 kW** and during the remaining 22 hours2.546296e-4 days 0.00611 hours 3.637566e-5 weeks 8.371e-6 months of this test, the diesel generator shall. be loaded to an indicated 2700-2800 kW**.

b)

Every~18 months verifying that, within 5 minutes of shutting-

'down the diesel generator after the diesel generator has

. operated

for at least 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months at an indicated 2700-2800 kW**,

the diesel generator starts *. The-generator voltage and frequency shall reach 4280 120 volts and 60 1.2 Hz within 10 seconds after the start signal.

9.

Every 24 months verifying that the auto-connected loads to each diesel generator do not exceed the 2000-hour rating of 3100 kW.

10.

Every 24 :nonths verifying the diesel generator's capability to:

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)

Be restored to its standby status.

11.

tEvery 24 months verifying that with the diesel generator operating in a test mode and connected to its bus, a simulated ECCS actuation-signal' overrides the test mode by (1) returning the diesel generator to standby operation, and (2) automatically energizes the emergency loads with offsite power.

12.

Every 24 months verifying that the automatic load sequence timers are OPERABLE with the interval between each load block within 10%

of its' design interval.

This test shall be conducted in accordance with the manufacturer's recommendations regarding engine prelube and warmup procedures, and as applicable regarding loading and shutdown recommendations.

' This band is meant as guidance to avoid routine overloading of the engine.

Loads'in excess of this band for special testing under direct monitoring by

-the manufacturer or momentary variations due to changing bus loads shall not' invalidate the test.

LIMERICK - UNIT 1 3/4 8-6 Amendment No. 32, 71, 79, 101

ELECTRICAL POWER SYSTEMS

?.

' SURVEILLANCE REOUIREMENTS i(Continued)-

'h.

At least once per 184l days the diesel generator shall be started * =

and verified to accelerate to' synchronous speed in'less than or equal to 10 seconds. The generator voltage and frequency shall i

reach 4280 120 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:

a)

~ Manual ***

b)

Simulated loss-of-offsite power by itself.

c)

Simulated loss-of-offsite power in conjunction with an ECCS actuation test signal.

4 d)

An ECCS actuation test signal by itself.

The generator shall be manually synchronized to its appropriate l

.' emergency bus,. loaded to an indicated 2700-2800 KW**;in less than or equal to-200 seconds, and operate for at least 60 minutes. ~.This test, if it is performed so-it coincides with the testing required by Surveillance Requirement 4.8.1.1.2.a.4 and 4.8.1.1.2.a.5,.may:

also serve to concurrently meet those requirements as well.

4.8.1.1.3 Reports - All diesel generator. failures,. valid or lnon-valid,

- shall be reported to the Commission in a Special Report' pursuant to-

? Specification 6.9.2 within 30 days. Reports.of. diesel generator failures shall include the information recammended in Regulatory Position C.3.b ~of-

l Regulatory Guide 1.108, Revision 1, August 1977.

.)

t

This test shall be conducted in accordance with the manufacturer's recommendations regarding engine prelube and warmup procedures, and as

. applicable regarding loading and shutdown recommendations.

- This band is meant as guidance to. avoid routine overloading of the engine.

Loads in excess of this band for special testing under direct-monitoring by'the manufacturer or momentary variations due to changing bus loads shall not-invalidate the test.

- - If diesel generator started manually from the control room,10 seconds Lafter the automatic prelube period.

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- LIMERICK - UNIT 1 3/4 8-7a Amendment No. 32, 101 l

Jl

p 4 *i UNITED STATES 1

E NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20566-0001 PHILADELPHIA ELECTRIC COMPANY DOCKET NO. 50-353 LIMERICK GENERATING STATION. UNIT 2 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 65 License No. NPF-85 1.

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

A.

The application for amendment by Philadelphia Electric Company (the licensee) dated February 22, 1995, complies with the standards 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 Comission; 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 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.

j

' 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-85 is hereby amended to read as follows:

Technical Soecifications The Technical Specifications contained in Appendix A and the Environmental Protection Plan contained in Appendix B, as revised through Amendment No.

65, are hereby incorporated into this license.

Philadelphia Electric Company shall operate the facility in accordance with the Technical Specifications and the Environmental Protection Plan.

1 3.

This license amendment is effective as of its date of issuance and shall be implemented within 30 days of issuance.

FOR THE NUCLEAR REGULATORY COMMISSION

)))_.

oh rf. Stolz, Direct r Pr ject Directorate I ivision of Reactor Projects - I/II Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of Issuance: August 24, 1995 w

ATTACHMENT TO LICENSE AMENDHENT NO. 65 FACILITY OPERATING LICENSE NO. NPF-85 DOCKET NO. 50-353 t

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 area of change.

Remove Insert 3/4 8-3 3/4 8-3 3/4 8-4 3/4 8-4 3/4 8-5 3/4 8-5 3/4 8-6 3/4 8-6 3/4 8-7a 3/4 8-7a 4

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o, JELECTRICALPOWER1 SYSTEMS SURVEILLANCE REOUIREMENTS p

4.8.1.1.1>

Each of the above' required independent circuits between the offsite transmission network and the onsite Class IE distribution system shall be:

a.

Determined OPERABLE at least once.per'7 days by verifying correct breaker alignments and indicated power availability, and 4

'b.

Demonstrated OPERABLE at.least once per 24 months by.

transferring, manually and. automatically, unit power supply from the 3

normal circuit' to the alternate circuit.

4.8.1.1.2 Each of the-above required diesel generators shall be demonstrated OPERABLE:

a.-

In accordance with the frequency specified in Table 4.8.1.1.2-1 on a STAGGERED TEST BASIS by:

1.

Verifying the~ fuel level in the day fuel tank.

2.

Verifying the fuel level in the fuel storage tank.

3.

Verifying the: fuel transfer pump starts and transfers fuel from the storage system to the day fuel tank.

4.

Verify that the diesel can start

and gradually accelerate to synchronous speed with generator voltage and frequency at 4280 120 volts and 60 1.2 Hz.

l.

5.

Verify diesel is synchronized, gradually loaded

to an indicated-2700-2800 kW** and operates with this load for at least 60 minutes.

]

6.

Verifying the diesel generator is aligned to provide standby /

power to the. associated emergency busses.

7.

Verifying the pressure in all diesel generator air start receivers to be greater than or equal to 225 psig.

This test shall'be conducted in accordance with.the manufacturer's recommendations regarding engine prelube and warmup procedures, and as applicable regarding loading and shutdown recommendations.

- This band is meant as guidance to avoid routine overloading of the engine.

- Loads:in excess of this band for special testing under direct monitoring by

.the manufacturer or momentary variations due to changing bus loads shall not invalidate the test.

LIMERICK - UNIT 2 3/4 8-3 Amendment No. M, 65 I

A

N ELECTRICAL POWER SYSTEMS.

'NContinued) e &, SURVEILLANCE REQUIREMENTS b.

By removing accumulated water:-

1).

From the day. tank'at least once' per 31 days and'after. each occa "

.sion'when the diesel is operated for. greater than 11 hour1.273148e-4 days 0.00306 hours 1.818783e-5 weeks 4.1855e-6 months ,fand.

2)

From'the storage tank at least once'per 31 days.

c.

By sampling new fuel: oil in accordance with ASTM D4057-81' prior to

. addition to the' 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 sampleLhas:

a)-

An. API Gravity of within 0.3 degrees _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 1 0

at 60/60*F of greater than or. equal to' 0.83 but.less than or equal to 0.89 or an API gravity at 60*F of greater than or equal to'27 degrees but less than or equal to 39 degrees.

b)

A kinematic viscosity at 40*C of. greater than orfequal;to 1.9 centistokes, but less than'or equal to 4.1 centistokes,-

if gravity was not determined by comparison with the supplier's certification.

c)

A flash point equal to or greater than 125'F, and d)

A clear and bright appearance with proper color when tested in accordance with ASTM D4176-82.

~

2)

By verifying within 31 days of obtaining the sample that the other properties specified in Table 1 of ASTM 0975-81 are met when tested in accordance with ASTM D975-81 except that the f

analysis for sulfur may be performed-in accordance with i

ASTM D1552-79 or ASTM D2622-82.

'I d.

At least once every 31 days by. obtaining a sample of fuel oil from the storage tanks in accordance with ASTM D2276-78, and verifying that total particulate contamination is less than 10 mg/ liter when checked in accordance with ASTM D2276-78, Method A, except that the-filters specified in ASTM D2276-78, Sections 5.1.6.and 5.1.7, may_

')

have a nominal pore size of up to three (3) microns.

q e.

At the following frequency by:

1.

Every 18 months 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.

Every 24 months: verifying the diesel generator capability to' reject a load of greater than or equal to that of the RHR Pump Motor (992 kW) for each diesel generator while maintaining voltage at 4285 i

420 volts and frequency at 60 1.2 Hz and after steady state.

i conditions are reached, voltage is maintained at 4280 120 volts.

-l LIMERICK'- UNIT 2 3/4 8-4 Amendment No. M,.65 e

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LECTRICA POWER SYSTEMSg l

f Y LSURVEILLANCE RE0VIREMENTSi (Continuedf

3. -

Every 24 months verifying the diesel generator _ capability to reject -

.aLload of.2850 kW without tripping. ~The generator voltage'shall not

~.

exceed 47841 volts during and following the load rejection.

4.-

-Every 24 monthsisimulating a loss-of-offsite power by itself, and:-

~

a)

Verifying-deenergization of.the~ emergency buses _and load-shedding from the emergency buses.

h'-

Verifying the diesel ' generator. starts

on the auto'-start b) signal, energizes the. emergency buses within~10' seconds, energizes the auto-connected loads through-the. individual; n

load timers and operates for greater than or equal to 5 minutes-while.its generator is loaded with theLshutdown loadst After '

energization, the steady-state voltage and frequency of-the emergency buses shall be maintained at 4280 120 volts'and 60 1.2 Hz.during this test.

5.

Every; 24 months verifying ' that on.an - ECCS 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. The generator voltage'and frequency shall reach 4280 120 volts and' 60 -

112 Hz.within;10 seconds;after1the; l_

auto-start signal; the steady state generatorivoltage and frequency shall be maintained within these limitsiduring this test..

l' 6.

Every 24 months simulating.a-loss-of-offsite power ~ 1n conjunction with an' ECCS actuation test signal, and:

a)

. Verifying deenergization of the. emergency bu~ses and load-N shedding from the emergency buses.:

b)

Verifying the diesel generator starts

on the auto-star.

signal,. energizes;the emergency buses within 10 seconds.

H energizes the auto-connected shutdown loads.thr.ough the equal.idual load timers and operates for greater than or indiv j

to 5 minutes while its generator.'is loaded with the 1

emergency loads.. After energization, the steady-state voltage and frequency of. the emergency buses -shal1~ be; maintained at 4280 120. volts and 60 1.2 Hz during.

-l-~

this test.

7.

Every 24' months verifying that all automatic diesel generator trips, except engine overspeed and generator differential over-current are-automatically bypassed upon an ECCS actuation signal.

This test shall be Leonducted in accordance with the manufacturer's recommendations regarding engineLprelube and warm up procedures, and as J

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applicable regarding'_ leading and shutdown recommendations.

LIMERICK

. UNIT 2 3/4 8-5 Amendment No. M, 65

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? ELECTRICAL POWER' SYSTEMS'

SURVEILLANCE REQUIREMENTS (ContinuedF

8.

a).

Every 18 months verifying'the, die'el generator operates

for~at -

s 1 east 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months . During the first 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months of this test, the diesel

~

generator shall;be' loaded to:an indicated 2950-3050 kW** and during the remaining 22 hours2.546296e-4 days 0.00611 hours 3.637566e-5 weeks 8.371e-6 months of-this test, the diesel-generator.shall_be-4 loaded.to an indicated 2700,-2800_kW**.

-b)

'Every.18 months. verifying that, within'5 minutes'of shutting down the diesel generator after the diesel-generator has.

operated

for at least 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months at an indicated 2700-2800 kW**,

the diesel generator starts *. The.. generator voltage and frequency shall-reach 4280 1 120 volts and 60 1.2 Hz within-10 seconds after the start signal.=

9.

Every 24 months verifying that theiauto-connected loads' to each diesel generator do not exceed the 2000-hour rating of 3100 kW1 10.

Every 24 months verifying the diesel.' generator's capability to:

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)

Be restored to its standby status.

11.

Every:24 months verifying that with the' diesel generator operating in a test mode and connected to its-bus,-a simulated-ECCS actuation signal overrides the test mode by'.(1) returning the diesel generator.-

to standby operation, and (2) automttically energizes the

emergency loads with offsite power.

12.

Every 24 months verifying that the automatic load sequence timers are OPERABLE with the' interval between each load block within 10%

of its design interval.

j l

~

This test shall be conducted in accordance with the manufacturer's.

recommendations regarding engine prelube and warmup procedures, and as applicable'regarding loading and shutdown reconnendations.

This band is meant as guidance to avoid routine overloading of the engine.

Loads in excess of this band for special testing under direct monitoring by i

the manufacturer or momentary variations due_ to changing bus loads shall not 1

invalidate the test.

1 1

LIMERICK --UNIT 2 3/4 8-6 Amendment No. 34, M, 65

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f'4 ELECTRICAL POWER' SYSTEMS l 1

4

' SURVEILLANCE REQUIREMENTS '(Continued) j h.

At least-once per:184 daysithe [ diesel: generator 'shall be started

and

.l

verified to accelerate _ to_ synchronous speed in less than or equal to 10' seconds. !The generator voltage and frequency shall reach 4280 120

= 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' q

the _following signals:

a)

Manual ***

4

'b)

Simulated loss-of-offsite power by _itself.

c)

~ Simulated loss-of-offsite power in conjunction with an ECCS' actuation test signal.

~

-d)

An ECCS actuation test. signal by 1tself.

The generator shall.be manuallyzsynchronized to its appropriate emergency bus, loaded to an indicated 2700-2800 KW** in less than.or

-l This

'. equal to 200 seconds, and operate-forf at least 60 minutes. test, if it _-l Surveillance Requirement.4.8.1.1.2.a.4 ~ and.'4.8.1.1.2.a.5, may also serve to concurrently meet those requirements as well-.

4.8.1.1.3 Reoorts - All diesel generator failures, valid or. nonvalid, shall be reported to the Commission in a Special Report pursuant to Specification 6.9.2 within ; 30 days.

Reports of diesel generator failures '.shall include the.

information recommended in Regulatory Position C.3.b of Regulatory Guide 1

1.~108, Revision 1, August 1977.

I

.i

This test shall be conducted in accordance with the manufacturer's recommendations regarding engine prelube and warmup procedures, and-as.

l applicable regarding loading and shutdown recommendations.

l

- This band is meant as guidance to avoid routine: overloading of the engine.

Loads-in excess of this band for special-testing under direct monitoring by1 the' manufacturer or momentary variations due to changing bus loads shall-not invalidate the test.

- - If diesel generator started manually from the control room,- 10 seconds

. after the automatic prelube period.

LIMERICK - UNIT 2 3/4 8-7a Amendment No. 65

-

ML20091P060

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