ML20148G319

Forwards Final Draft Electrical Tech Specs for Review as Part of Tech Spec Upgrade Program.Submittal May Require Further Revs.Selected Surveillances from Upgraded Tech Specs Will Be Performed During Next Scheduled Shutdown

ML20148G319
Person / Time
Site:	Fort Saint Vrain
Issue date:	03/22/1988
From:	Brey H PUBLIC SERVICE CO. OF COLORADO
To:	Calvo J NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM), Office of Nuclear Reactor Regulation
References
P-88062, NUDOCS 8803290107
Download: ML20148G319 (48)

Text

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I h Public Service ~

m iio s.,

Company of Colorado 2420 W. 26th Avenue, Suite 100D, Denver, Colorado 80211 March 22, 1988 Fort St. Vrain Unit No. 1 P-88062 U. S. Nuclear Regulatory Commission ATTN:

Document Control Desk Washington, D.C.

20555 Attention:

Mr. Jose A. Calvo Director, Project Directorate IV Docket No. 50-267

SUBJECT:

Final Draft Upgrade Electrical Technical Specifications Sections 3/4.8

REFERENCE:

PSC letter, Brey to Calvo, dated 8/24/87 (P-87272)

Dear Mr. Calvo:

Enclosed is the final draft Electrical Technical Specifications, for your review as a part of the Fort St.

Vrain (FSV) Technical Specification Upgrade Program (TSUP).

This final draft reflects recent discussions and telephone conferences with the NRC and its reviewers.

The Specifications included in Attachment I have been reviewed by a subcommittee of the FSV Plant Operating Review Committee (PORC) and were approved for this draft submittal.

This PORC subcommittee has been assembled expressly for the TSUP reviews and its approval is a part of the overall TSUP approval process.

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P-88062 Page 2 March 22, 1988 PSC would like to clarify that this submittal may require further revisions. prior to formal amendment application.

PSC will be performing selected surveillances from the Upgraded Technical Specifications during the next scheduled shutdown.

In addition, PSC is planning to install new batteries prior to the time the Upgraded Technical Specifications become effective.

Changes may be required to this draft submittal based on the impact of these items.

PSC considers the Specifications in Attachment 1 appropriate for inclusion in the Final Draft, currently scheduled for submittal in April 1988. provides a summary of the significant changes from the August 24, 1987 draft Electrical Technical Specifications, submitted in the referenced letter. Attachment 3 provides discussions for the remaining TSUP NRC coninents that had previously been categorized as requiring PSC action.

If you have any uestions on this information, please contact Mr. M.

H. Holmes at (303 480-6960.

Very truly yours, VWWW H. L. Brey, Manager Nuclear Licensing and Fuels Division HLB /JAC/imb Attachments cc:

Regional Administrator, Region IV i

ATTN: Mr. T. F. Westerman, Chief l

Projects Section B Mr. Robert Farrell Senior Resident Inspector Fort St. Vrain Mr. Alan Udy EG&G Idaho, Inc.

f to P-88062

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4 P-88062 UPGRADED TECHNICAL SPECIFICATIONS FOR AUXILIARY ELECTRIC POWER SYSTEMS Margin marks in the attached Draft Specification indicate changes from the August 24, 1987 Draft, previously provided in P-87272.

e Amendment No.

Page 3/4 8-1 DRAFT AUXILIARY ELECTRIC POWER SYSTEMS MAR 2 21988 3/4.8.1 AC POWER SOURCES OPERATING LIMITING CONDITION FOR OPERATION 3.8.1.1 As a minimum, the following AC electrical power sources shall be OPERABLE:

a.

The Unit Auxiliary Transformer (UAT) and the Main Power Transformer (MPT), with or without the generator output links installed, and the Reserve Auxiliary Transformer (RAT).

b.

Two separate and independent Standby Diesel Generators (SDGs) with:

1.

Each diesel fuel oil day tank containing a minimum of 325 gallons of fuel, 2.

A minimum of 20,000 gallons of diesel fuel in underground storage including 5,500 gallons of diesel fuel in the diesel fuel oil e,torage tank (T-9201) and an OPERABLE flow path (s) capable of transferring fuel oil from storage to each day tank, 3.

An OPERABLE water-jacket heater for each SDG diesel engine, and 4

Lubricating oil storage containing a minimum total volume of 100 gallons of lubricating oil.

APPLICABILITY:

POWER, LOW POWER, STARTUP*, and SHUTOOWN*

• Wnenever CALCULATED BULK CORE TEMPERATURE is greater than 760 degrees F.

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s Amendment No.

Page 3/4 8-2 DRAFT ACTION:

MAR 2 21988 a.

With the VAT, the MPT, or the RAT of the above required l

off-site AC electrical power sources inoperable, demonstrate the OPERABILITY of the remaining off-site A.C. electrical power source by performing Surveillance Requirement 4.8.1.1.1.a within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> -thereafter.

If either Standby Diesel Generator (SDG) has not been successfully tested within the past 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, demonstrate its OPERABILITY by performing Surveillance Requirements 4.8.1.1.2.a.5 and 4.3.1.1.2.a.7 for each such SOG, separately, within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Restore the inoperable off-site source to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, or be in at least SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, b.

With either SDG inoperable, demonstrate the OPERABILITY of the above required AC off-site sources by performing Surveillance Requirement 4.8.1.1.1.a within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, and at least once per 8 hcurs thereafter.

If the SDG became inoperable due to any cause other than preplanned preventive maintenance or testing and the remaining SDG has not been demonstrated OPERABLE in the previous 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> demonstrate the OPERABILITY of the remaining SDG by performing Surveillance Requirements 4.8.1.1.2.a.5 and 4.8.1.1.2.a.7, initiating the surveillances within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />

• Restore the inoperable SDG to OPERABLE status within 7? hours or be in at least SHUTDOWN within the next 24 nours.

c.

With the UAT, the MPT, or the RAT, and one SDG of the above required AC electrical power sources inoperable, demonstrate the OPERABILITY of the remaining off-site A.C.

source by performing Surveillance Requirement 4.8.1.1.1.a within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter.

If SDG became inoperable due to any cause other than preplanned preventive maintenance or testing and the remaining SDG has not been demonstrated OPERABLE within the previous 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, demonstrate its OPERABILITY by performing Surveillance Requirements 4.8.1.1.2.a.5 and 4.8.1.1.2.a.7 initiating the surveillances within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />".

Restore at least one of the inoperable AC electrical power sources to OPERABLE status within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />, or be in at least SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Restore the UAT, the MPT and the RAT to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and both SDGs to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from the time of initial loss of OPERABILITY, or be in at least SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

• This test is required to be completed regardless of when the inoperable SDG is restored to OPERABLE.

Amendment No.

[)F1/4Fl' Page 3/4 8-3 MAR 2 21988 d.

With one SDG inoperable, unless declared inoperable due to surveillance testing, perform the following in addition to ACTION b. or c.:

Ensure within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> that all the required SAFE SHUT 00WN COOLING

systems, subsystems, trains, components, and devices that depend on the remaining OPERABLE SOG as a source are also OPERABLE, or be in at least SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

e.

With botn SDGs inoperable, demonstrate the OPERABILITY of two off-site sources of the above required AC

+

electrical power sources by performing Surveillance Recuirement 4.8.1.1.1.a within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, and at least once per 8 hcurs thereafter.

Restore at least one of the inoperable SDGs to OPERABLE status within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />, or be in at least SHUT 00WN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Restore both SDGs to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from the time of initial loss of OPERABILITY, or be in at least SHUTOOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

f.

If results from a fuel oil sample taken per Surveillance Recuirement 4.8.1.1.2.b.2 or 4.8.1.1.2.c are unacceptable, demonstrate the OPERABILITY of both SDGs, separately, by performing Surveillance Requirements 4.8.1.1.2.a.5 and 4.8.1.1.2.a.7 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, if not performed within the last 7 days.

Resample the fuel oil per Surveillance Requirement 4.8.1.1.2.o.2 or 4.8.1.1.2.c, as applicable, within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> of receipt of the unacceptable result (s).

If results from the second sample are unacceptable, the 50Gs shall be declared inoperable.

Drain the fuel oil from the contaminated tank and replace it with f.*esh fuel oil.

Sample the fresh fuel oil per Surveillance Requirement 4.8.1.1.2.c.

g.

With the diesel fuel oil storage tank (T-9201) unavailable, operation may continue provided the diesel

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fuel oil in underground storage tanks 1A and IB has been demonstrated acceptable by performing Surveillance Requirements 4.8.4.d and 4.8.1.1.2.c and by performing t

Surveillance Requirement 4.8.1.1.2.c prior to addition of any fuel oil to these tanks.

If the results from a fuel oil sample taken per Surveillance Requirement 4.8.4.d or 4.8.1.1.2.c are unacceptable, ACTION statement 3.8.1.1.f applies.

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Amendment.No.

Page 3/4 8-4 DRAFT MAR 2 2 888 SURVEILLANCE REQUIREMENTS 4.8.1.1.1 The required off-site sources of AC electric power shall be demonstrated OPERABLE:

a.

At least once per 7 days by verifying correct breaker alignments, indicated power availability, and b.

At least once per 18 months, during SHUTDOWN:

1.

By verifying automatic transfer of house power supply from the Unit Auxiliary Transformer to the Reserve Auxiliary Transformer, and 2.

By verifying that the Unit Auxiliary Transformer generator links can be tagged out and removed within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

4.8.1.1.2 Each Standby Diesel Generator (SDG) shall be demonstrated OPERABLE:

a.

In accordance with the frequency specified in Table 4.8.1-1 on a STAGGERED TEST BASIS by:

1.

Verifying the fuel level in each diesel fuel oil day tank is at least 325 gallons, 2.

Verifying the total fuel oil quantity in underground storage is at least 20,000 gallons with at least 5,500 ga.l lon s in the diesel fuel oil storage tank (T-9201) in addition to the day tanks, 3.

Verifying the capability tc' transfer fuel oil from the underground storage system to the diesel fuel oil day tank, 4

Verifying the water-jacket neaters are OPERABLE by ensuring that the coolant water is being maintained at a temperature of greater than or ecual to 100 degrees F, 5.

Verifying tne SDG diesel engines start from the normal pre-neated condition and accelerate to normal operating soeed; the SOG voltage and frequency shall be 430 plus or minus 45 volts, and 60 olus or minus 1.2 H:,

6.

Verifying the lubrication oil inventory in storage is at least 100 gallons,

Amendmont No.

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Page 3/4 8-5 klhR 2 2 1g93 4

7.

Verifying the SDG is synchronized, loaded to 1150 KW plus oc minus 50 KW* with two diesel engines per SOG and operates for at least,60 minutes, 8.

Veri fying the SDG is aligned to provide standby power to tt.e associated emergency buses, and 9.

Verifying both air start receivers of the SOG are cressurized to greater than or equal to 120 psig, b.

At least once per 31 days:

1.

By checking for anc removing accumulated water from the fuel oil storage tanks:

T-5401, T-8402, and T-9201, and 2.

By cbtaining a sample of fuel oil from the diesel fuel oil storage tank (T-9201) in accordance with ASTM 02276-78 and verifying that the total particulate contamination is iess than 10 mg/ liter when cnecked in accordance with ASTM-02276-78, method A.

4 c.

By sampling fuel oil in accordance with ASTM-04057 prior to addition to the diesel fuel oil storage tank (T-9201) and:

1.

By verifying c clear and bright appearance with proper color when tested in accordance with ASTM-04176-82 prior to addition to the diesel fuel oil storage tank (T-9201), and 2.

By verifying within 14 days of obtaining the sample, when tested in accordance with ASTM 0975-1977.

a) A flash point equal to or greater than 125 cegrees F, and b) A kinematic viscosity at 40 degrees 0 of greater thin or equal to 1.9 centistokes out less than or

ual to 4.1 centistokes.

This is a steacy state lead 4

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Amendment No.

Page 3/4 8-6 DRAFT MAR 2 21988 d.

At least once per 31 days by perhormingaCHANNEL FUNCTIONAL TEST of th<t,SOG engine exhaust temperature "shutdown" and "declutch" function.

e.

At least once per 18 months, during SHUT 00WN by:

1.

Subjecting the 50G diesel engines to an inspection in accordance with the procedures prepared in conjunction with the manufacturer's recommendations.

2.

Performing a

CHANNEL CALIBRATION of the SOG "snutdown" and "declutch" engine protective functions.

3.

Verifying the SDG capability to reject a load of greater than or ecual to 202 KW while maintaining voltage at 480 plus or minus 48 volts and frequency at 60 plus or minus 1.2 Hz.

4 Veritying the SDG capability to reject a load of 1150 KW plus or minus 50 KW without tripping the SDG; the SOG voltage shall not exceed 552 volts during and followieg the load rejection.

5.

Simulating an undervoltage relay actuation signal:

a) Verifying de-energization of the essential 480 VAC buses and load shedding from the essential 480 VAC ouses, b) Verifying tne SDG diesel engines start on the auto-start

signal, energize the essential 480 VAC buses within 60 seconds, start the auto-sequenced loads through the load sequencer, and OPERATE for greater than or equal to 5 minutes while the associated SOG is loaded witn the programmed loacs: after energization, the steady state voltage and frequency shall be maintained at 480 plus or minus 48 volts and 60 plus or minus 1.2 Hz during this test, and c) Verifying the overload and antimotoring SDG trip functions are bypassed wnen tne SCGs are in the auto-start mode.

6.

Verifying that the auto-secuenced loads to each SDG co not exceed 1210 KW, with coth SCG diesel eagines operating.

Amendment No.

Page 3/4 8-7 DRAFT 7.

Verifying the SOG's capability to:

N 2 2 pgg a) Synchronize with the off-site power source while the SDG is loaded with its emergency loads upon a simulated restoration of off-site power, b) Transfer its loads to the off-site power source, and c) Se restored to standby status.

8.

Verifying the SOG 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 SOG shall be loaded to 1260 KW plus or minus 60 KW", and l

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 SDG shall be loaded to 1150 KW plus or minus 50 KW"; the l

SDG voltage and frequency shall be 480 plus or minus 48 volts and 60 plus or minus 1.,2 Hz; within 5 l

minutes after completing the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> test, perform Surveillance Reauirement 4.8.1.1.2.a.5.

9.

Verify that the load sequence timer is OPERABLE with the comolete sequence loaded within p1 s or minus 10*4 of its design time.

f.

At least once per 10 years, or after any modifications which could affect SDG interdependence, by starting both SDGs simultaneously, during SHUTDOWN. and verifying that both SDGs accelerate to normal operating speed.

l g.

At least once per 10 years by draining each underground storage tank, removing te m umulated sediment and cleaning the tank using sadiun. nypochlorite solution or equivalent, h.

REPORTS Standby Diesel Generator (SDG) failures, as required by Table 4.8.1-2, shall be reported to the Commission in a Special Report pursuant to Specification 6.9.2.

Additional reporting and recualification reauirements shall be in accorcance witn Taole 4.8.1-2.

This is a steady state load

Amendment No.

Page'3/4 8-8 DRAFT TABLE 4.8.1-1 STANDBY DIESEL GENERATOR TEST SCHEDULE lLAR 2 21988 Number of Failures in Last 20 Valid Tests

• Test Frequency 51 At least once per 31 days 32 At least once per 7 days **

33 See Table 4.8.1-2 Criteria for determining number of failures and number of valid tests shall be in accordance with Regulatory Position C.2.e of Regulatory Guide 1.108, Revision 1, August 1977, where the last 20 tests are determined on a per Standby Diesel Generator (SOG) basis.

This test frequency shall be maintained until 7 consecutive failure fre.e demands have been performed and the number of failures in the last 20 demands has been reduced to 1 or less.

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O Amendment No.

-Page 3/4.8-9 TABLE 4.8.1-2 ADDITIONAL RELIABILITY ACTIONS No of Failures No. of Failures in Last 20 in Last 100 Valid Ter.ts Valid Tests Action i,

3 6

Within 30 days, prepsre and maintain a report for NRC audit, describing the 50G diesel engine reliability improvement program implemented at the site.

Minimum requirements for the report are indicated in to this table.

5 11 Declare the SDG inoperable and perform a requalification test program for the affected SOG diesel engine.

Requalifi-cation test program requirements are indicated in Attachment 2 to this table.

N/A N/A Submit a yearly data report on the SOG reliability.

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- 3 Amendment No.

4 Page 3/4 8-10 ATTACHMENT 1 TO TABLE 4.8.1-2 MAR 2 21988 REPORTING REQUIREMENT As a minimum, the reliability improvement program report for NRC audit shall include:

A.

A summary of all tests (valid and invalid) that occurred within the time period over which the last 20/100 valid tests ' were performed.

B.

An analysis of failures and determination of root causes of failures.

C.

An

. evaluation of each of the recommendations of NUREG/CR-0660, "Enhancement of Onsite Emergency Diesel Generator Reliability in Operating Reactors," with respect to their application to the Plant.

O.

An identification of all actions taken, or to be taken, to correct the root causes of failures defined in B above and to achieve a general improvement of SOG reliability.

E.

The schedule for imolementation of eacn action from 0 above.

F.

An assessment of the existing reliability of electric power to essential equipment.

Upon completion of the initial recort detailing the SDG reliability improvement program at tne site, as defined above, prepare only a supolemental report within 30 days af ter each failure during a valia cemand, for as long as the affected SCG diesel engine continues te violate the criteria (3/20 or 6/100) for the reliability improvement program remedial action.

The supplemental report need only update the failure /cemand history for the affected SDG since the last report for that 50G.

The supplemental report shall also present an analysis of tne failure (s) with a root cause determinattor,, if possible, and shall delineate any furtner procedural,

harcware, or operational changes to be incorocrated into the SOG improvement program anc the senedule for implementation of tnose changes.

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Amendment No.

Page 3/4 8-11 DRAFT ATTACHMENT 2 TO TABLE 4.8.1-2 lLAR 2 21988 STANOBY DIESEL GENERATOR REQUALIFICATION PROGRAM A.

Perform 7 consecutive successful demands, as specified in Surveillance Requirement 4.8.1.1.2.a. without a failure within 30 days of the SDG being restored to OPERABLE status, and 14 consecutive successful demands without a failure within 75 cays of the SDG being restored to OPERABLE status.

B.

If a

failure occurs during the first 7 tests in the requalification test program, perform 7 successful demands without an additional failure within 30 days of the SDG being restored to OPERABLE status and 14 consecutive successful demands without a failure within 75 days of the SOG being restored to OPERABLE status.

C.

If a failure occurs during the second 7 tests (tests 8 through

14) of A.,

above, perform 14 consecutive demands without an additional failure within 75 days of the failure.

O.

If a second failure occurs during the requalification test program, be in at least SHUTDOWN within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

E.

During requalification testing, the SCG should not be tested more frequently than at 24-hour intervals.

F.

After a SOG has been successfully requalified, subsequent repeated requalification tests will not be recuired for that SDG under the following conditions:

1.

The number of failures in the last 20 valid demands is less than 5.

2.

The number of failures in the last 100 valid demands is less than 11.

3.

In the event that following successful requalification of a SDG, tne number of failures is still in excess of tna remedial action criteria (1. and/or 2. acove) tne following exception will ce allowed until the SCG is no longer in violation of tne remedial action criteria (1. and/or 2.

above):

Recualification testing wil' not ce required proviced that after eacn valid cemand the number of failures in tne last 20 ana/or 100 valid demands nas not increased.

Once tne SDG is no longer in violation of tne remedial action criteria

above, the provisions of those criteria alone will crevail.

Amendment No.

=.

Page 3/4 8-12 i

DRAFT AUXILIARY ELECTRIC POWER SYSTEMS MAR 2 21988 3/4.8.1 AC POWER SOURCES SHUTDOWN LIMITING CONDITION FOR ODERATION 3.8.1.2 As a minimum, the following AC electrical power sources shall be CPERABLE:

a.

Either the Reserve Auxiliary Transformer (RAT) or the Unit Auxiliary Transformer (UAT) and Main Power Transformer (MPT); and b.

One Standby Diesel Generator (SOG) with:

1.

The' diesel fuel oil day tank containing a minimum of 325 gallons of fuel, 2.

A minimum of 10,000 gallons of diesel fuel in underground storage, and an OPERABLE flow path (s) capable of transferring fuel oil from storage to the day tank, 3.

An OPERABLE water-jacket heater for each SDG diesel engine, and 4.

Lubricating oil storage containing a minimum total volume of 50 gallons of lubricating oil.

APPLICABILITY:

STARTUP*, SHUTDOWN", and REFUELING i

" Whenever CALCULATED BULK CORE TEMPERATURE is less than or eaual to 760 degrees F.

Amendment No.

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Page 3/4 8-13 DRAFT

, ith less than the above minimum required AC electricalbOM 2 2 1988 ACTION:

W power sources OPERABLE, immediately suspend all operations involving CORE ALTERATIONS, control rod movement'resulting in positive reactivity changes, or movement of IRRADIATED FVEL.

Initiate corrective actions to restore the required sources to OPERABLE status as soon as possible.

SURVEILLANCE REQUIREMENTS __

4.6.1.2 No additional surveillance requirements are required other than those surveillsnces identified per Surveillance Requirements 4.8.1.1.1 and 4.8.1.1.2.

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Amendme a.

Page 3/4 o-14 DRAFT

, BASIS FOR SPECIFICATION LCO 3.8.1 / SR 4.8.1 bhyl 2 2 t)gg The OPERABILITY of the AC electrical power sources during POWER, LOW POWER, STARTUP and SHUT 00WN (whenever CALCULATED EULK CORE TEMPERATURE is greater than 760 degrees F) ensures that sufficient power will be available, as required to perform intended safety functions under postulated 3bnormal

.nd accident conditions.

The minimum specified requirements for inuependent anc redundant AC electrical power sources are acequate to satisfy the basis of General -Plant Gesign Criteria No. 24 and No. 39 as stated in Appendix C of the FSAR.

Specification 3.0.5 provides the methodology and necessary data to determine the appropriate time interval to reach a CALCULATED BULK CORE TEMPERATURE of 760 degrees F.

If the active core remains below this temperature, which corresponds to the design maximum c. ore inlet temperature, then the design core inlet temperature cannot be exceeded and there can be no damage to fuel or PCRV internal components regardless of the amount, including total

absence, or reversal, of PRIMARY COOLANT FLOW.

The means of providing AC electrical power to plant auxiliaries during normal operation is through the Unit Auxiliary Transformer (UAT) energized by tne main turbine-generator.

The UAT can also be energized from the high voltage transmissior. lines through the station switchyard via the Main Power Transformer (MPT), af ter the generator links have been removed to isolate the main turbine generator. The VAT is connected to the 4160 VAC Buses 1 and 3,

which are connected to the essential 480 VAC Buses 1 and 3,

respectively.

Off-site AC electrical power during STARTUP, SHUTDOWN or loss of the UAT or MPT is supplied through the Reserve Auxiliary Transformar (RAT).

The RAT is energized from the high voltage transmission lines via tne station switchyard.

The RAT is connected to the 4160 VAC Bus 2, which connects to essential 480 VAC Bus 2.

Upon loss-of-power from the UAT, power supply to the plant auxiliaries is automatically transferred to the RAT.

On-site AC electrical power is supplied by two Standby Diesel Generators (SDGs), either of which has the cc ability to power all electrical au/iliaries tha*

are essential for SAFE SHUTDOWN COOLING.

Eat DG supplies essentiai 480 VAC Bus 1 or Bus 3,

with tne rirst-in SDG also energizing essentia' 480 VAC Bus 2.

A diesel fuel supply of 16,150 gallons is adequate to provide for operation of one SDG for one week, under required load conditions to shutdown the plant and to meintain it in a safe condition.

This reserve capacity provides ample time for obtaining additional fuel from off site sources.

_ -._. _ __ _ _--_ _ -_ --,.~,_ _ -_. _

~ _ ~ _ _ -

Amendmont No.

Page 3/4 8-15 DRAF' MAR 22 ggg The -ACTION requirements for various allowable levels of degradation of the electrical power sources provide restrictions upon continued facility operation commansurate with the level of Oegradation.

The OPERABILITY of the power sources is consistent with the initial conditions / assumptions of the FSAR, and is based upon maintaining at least one of the redundant sets of on-site AC and DC electrical power sources and associated distribution systems operable during accident conditions which postulate the loss of all off-site power, compounded by a single failure of the other redundant on-site sources.

The term verify as used in the ACTION statements means to administrativiely check by examining logs or other information to determine if certain components are out-of-service for maintenance or other reasons.

The term ensure as used in ACTION statement 3.8.1.1.d allows 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> to verify OPERABLE or to restore to OPERABLE status affectec equipment, with any additional ACTION not required, if in compliance.

The surveillance requirements are adequate to demonstrate the OPERABILITY of the o#f-site and on-site AC electrical power

sources, such that their intended safety functirts under postulated abnormal anc accicent conditions can be performed.

In particular, the surveillance requirements for the SDGs are consistent with the intent of Regulatory Guide 1.108 "Periodic Testing of Diesel Generator Units Used as Onsite Electric Power Systems at Nuclear Power Plants",

Revision 1,

August i

1977 and Generic Letter 84-15 "Proposed Staff Actions to Improve and Maintain Diesel Generator Reliability".

The SDGs are required to reach rated speed, voltage and frequency on demand.

If an SDG does not reach these l

parameters or if the SDG fails to start cue to depletion of l

the starting air receivers, the SDG start is considered a failure.

The SDG fuel il sampling requirements are sufficient to as ess fuel oil quality at Fort St. Vrain. With over 10 years ct diesel generator operational experience, there have been no fuel oil related failures of the SDGs.

Fuel oil is distributed between a diesel fuel oil storage tank for the SDGs and a shared tank arrangement with the Auxiliary doiler.

The turnover of diecel fuel in the underground storage tanks during SHUT 00WN, STARTUP and LOW POWER; the performance of surveillance requirements 4.8.4.d; and the performance of surveillance requirements 4.8.1.1.2.b and 4.8.1.1.2.c demonstrate the quality of diesel fuel oil in uncerground storage.

Figure 3.8.1-1, Diesel Fuel Oil Sp tems,

,now s the tank and related piping arrangements.

l l

t

TRUCK &

- TANK CAR i

T DIEML FUEL OIL l

l

' CONNECTION STORAGE TANK

~9 j

10,000 19,260 19,2EO FUEL OIL STORAGE

')

GAL GAL GAL TANKS IA 8 IB CAPACITY CAPACITY CAPACITY (T-8401, T-8402)

I ogESEL FUEL OIL i

)

(

TRANSFER PUMPS n

l lA S E I

o p

i ACM DIESEL i

h r

3 g

c AUXILIARY OIL TRANSFER W' { '

II BOILER FUEL PUMPS IA B B

(

)! (

lDAY TANKe p

pOIL FEED o

y lA 8 IB h

PUMPS IA RECIRCULATION M8 550 GAL.

(

) DAY TANK l

LINE (TYR) i j

130 GAL. CAPACITY

)

ENGIE ENGIE I

IA IC y

i STANOBY DIESEL TO i

g GENERATORS IA 8 IB ENGINE 1210 KW AUXILIARY BOILERS GEN.

I GEN.

I IA (IB

"(

ACM DIESEL GENERATOR

~

a GEN-2500 KW

(

EtJGWE ENGIE IB ID l

l g" I

=a O

==

l Esa w >

1a w

7 DIESEL FUEL OIL SYSTEM gg m[

m-FIG. 3.8.1-1

Amendment No.

Page 3/4 8-17 DRAFT AUXILIARY ELECTRIC POWER SYSTEMS MAR 2 21988.

3/4.8.2 OC POWER SOURCES OPERATING LIMITING CONDITION FOR OPERATION 3.8.2.1 As a minimum, the following independent DC electrical power sources shall be OPERABLE:

Battery no. lA and 1 dedicated battery charger, a.

b.

Battery no. 18 and 1 dedicated battery charger, and Battery no. 1C and 1 dedicated battery charger.

c.

APPLICABILITY:

POWER, LOW POWER, STARTUP," and SHUT 00WN' ACTION:

a.

With one of the required batteries inoperable, verify the associated DC load is energized with a dedicated battery charger within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

If the battery is inoperable due to any cause other tnan an equalizing charge being performed, restore the inoperable battery to OPERABLE status witnin 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or te in at least SHUTOOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

If the battery is inoperable due to an equalizing charge ceing performed, restore the battery to OPERABLE status within 5 days or be in at least SHUTOOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.**

b.

With one dedicated battery enarger inoperable, restore the inoperable dedicated battery charger to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in at least SHUT 00WN within tne next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Whenever CALCuiATED BULX CORE TEMPERATURE is greater than 760 degrees F.

• • A battery can be disconnected from the distribution system for up to 5 consecutive days and 10 cumulative cays during any 92 day period, if an equalizing cnarge is ceing performee.

l

1 Amendmont No.

H 4

Page 3/4 8-18

. [)F3/AF:1-SURVEILLANCE REQUIREMENTS hhyl 2 21988 4.8.2.1 Each required DC electrical power source shall be demonstrated OPERABLE:

a.

At least once per 7 days by verifying that:

1.

The Category A limits in Table 4.8.2-1 are met, and 2.

The total battery terminal voltage is greater than or equal to 120.4 volts on float cnarge.

b.

At least once per 92 days, and witnin 7 days after a battery discharge with battery terminal voltage below

11) volts, or battery overcharge with battery terminal voltage above 150 volts, by verifying that:

1.

The Category B limits in Table 4.8.2-1 are met, 2.

Thera is no visible corrosion at either terminals or connectors, or the connection resistance of these items is less than or equal to 150 micro-ohms, and 3.

The average electrolyte temperature of at least 20%

of the cells is above 60 degrees F.

c.

At least once per 18 months by ver'1fying that:

1.

The cells. cell plates, battery racks, and cell-to-cell and terminal connections show no visual indication of physical damage or abnormal deterioration, 2.

The cell-to-cell and terminal connections are clean, tight, and coated with anti-corrosion material, and

?.

The resistance of each cell-to-cell and terminal connection is less than or ecual to 150 micro-onms.

Amendment No.

'Page 3/4 8-19 DR^FT 4.

The battery charger will supply at least:

a) 325

(+0,

-25) amperes for at least 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for battery chargers 1A and 18, b) 200

(+0,

-25) amperes for at least 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for l

battery charger IC, and c) 370

(+0,

-25) amperes-for at least 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for cattery charger 10.

d.

At least once per 18 months, during SHUT 00WN, by verifying that the ba t tery capacity is adequate to supply and maintain in an OPERABLE status all of the emergency loads for the design duty cycle when the battery is subjected to a service discharge test.

At least once per 60 months, during SHUTDOWN, by:

l e.

1.

A performance discharge test on batteries 1A and 18, separately, (at an average discharge rate of 310 amperes) over a period of 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or until the average battery terminal voltage reaches 1,81 volts / cell; the test shall be acceptable if, after 3.2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> the battery is capable of producing at least 310 amperes, and the average battery terminal voltage is greater than 1.81 volts / cell.

2.

A performance discharge test on battery IC (at an average discharge rate of 183 amceres) over a period of 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or until the average battery terminal voltage reaches 1.81 volts / cell; the test shall be acceptable if, after 3.2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> the battery is capable of producing at least 183 amperes and the average. battery terminal voltage is greater than 1.81 volts / cell.

Once per 60 month interval, the oerformance discharge test may be performed in lieu of the battery service discnarge test in Surveillance Requirement 4.8.2.1.d.

f.

At least once per 18 months, during SHUTDOWN, by a performance discharge test of battery cacacity on any battery that shows signs of aonormal degradation or has reached 85?. of the service life expected for tne application.

Abnormal cegradation is indicated when the i

battery capacity drops more than 10?e of rated capacity l

from its average on previous performance tests, or is below 90*J of the manufacturer's rating, i

Amendment No;

-Page 3/4 8-20 l

TABLE 4.8.2-1 BATTERY SURVEILLANCE REQUIREMENTS-1 il i

l l

^

ll (1) 1 (2) l l

ll CATEGORY A l

CATEGORY B l

l Il I

i l

Il I

i l

ll Pilot Cell l

Connected Cell (s) l l

11 i

l i

11 I

I (3) l l Parameter l l Limi ts (Limits JAllowable value J.

I 11 l

I l

I

..l l I

I I

I ll 1

I i

l Electrolyte ll Greater than l Greater than lAbove top of-i llevel llminimum level iminimum level l plates, and not l l

llindication mark, lindication mark, loverflowing.

l l

lland less than land less than l

l l

l lone quarter inch lone quarter inch l l

l llabove maximum labove maximum l

l l

ll level indication l level indication l l

l limark.

l mark.

l l

1 11 I

I I

I 11 I

l 1

l Float ll2 2.13 volts l3 2.13 volts l3 2.07 volts i

IVoltage 11 l

(4) l 1

1 11 1

I I

i ll 1

l i

ISpecific l13 1.205 (6) l3 1.195 for leach cor.nected l

l Gravity (5) ll leach connected Icell not more i

l ll l cell.

Ithan.020 below I l

ll l

lthe average of j

l ll l

lall connected l

l ll l

l cells.

l l

Il i

_l i

I 11 l

i I

i il lAverage of all l Average of all J

3 l

ll iconnected cells iconnected cells i

1 ll l> 1.205.

I> 1.195. (6) l 1

ll l

I i

i l

'( )' refer to notes on following oage.

l e

l l

l

_.. _ _.,. ~..

~

Amendment No.

Page 3/4 8-21 Notes for Table 4.8.2-1:

MAR 2 2 s88 (1) For any Category A parameter (s) outside the limit (s) shown, the battery may be considered OPERABLE provided that within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> all the Category B measurements are taken and found to be within their allowable values, and provided the Category A and B parameter (s) are restored to within limits within the next 6 days.

(2) For any Category B parameter (s) outside the limit (s) shown, the battery may be considered OPERABLE provided that the Category B parameters are within their allowable values and provided the Category B parameter (s) are restored to within limits within 7 days.

(3) If any Category B parameter is not within its allowable value, declare the battery inoperable.

(4) Measured cell voltages of cells warmer than average may be corrected for electrolyte temperature, if measured cell voltage is less than the acceptance criteria.

(5) Corrected for electrolyte temperature and level.

(6) Or battery cnarging current is less than 2 amperes when on float charge.

i l

I

Amendment No.

Page 3/4 8-22 DRAFT AUXILIARY ELECTRIC POWER SYSTEMS gggggg 3/4.8.2 OC POWER SOURCES SHUTDOWN N.

LIMITING CONDITION FOR OPERATION 3.8.2.2 As a minimum, two of the following independent DC l

electrical power sources shall be OPERABLE:

a.

Battery no lA and 1 dedicated battery charger, or b.

Battery no. 18 and 1 dedicated battery charger, or c.

Battery no. 1C and 1 dedicated battery charger.

APPLICABILITY:

STARTUP", SHUTDOWN *, and REFUELING ACTION:

With only one of the above batteries or only one dedicated battery charger

OPERABLE, immediately suspend all operations involving CORE ALTERATIONS, control rod 1

covement resulting in oositive reactivity changes or movement of IRRADIATED FUEL.

Initiate. corrective action to restore the required sources to OPERABLE status as soon as possible.

SURVEILLANCE REQUIREMENTS 4.8.2.2 The required DC electrical power sources shall be demonstrated OPERABLE per Surveillance Requirement 4.8.2.1.

" Whenever CALCULATED BULK CORE TEMPERATURE is lass than or equal to 760 degrees F.

., ~ _. _ _

Amendment No.

Page 3/4 8-23 DRAF-BASIS FOR SPECIFICATION LCO 3.8.2 / SR 4.8.2 M 2 21988 The OPERABILITY of the DC electrical power sources during POWER, LOW POWER, STARTUP, and SHUTDOWN (whenever CALCULATED BULK CORE TEMPERATURE is greater than 760 degrees F) ensures that sufficient power will be available, as required to perform the intended safety functions under postulated abnormal and accident conditions.

Batteries 1A and 18 are each adequate to supply the required safe shutdown DC loads for not less than 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, while battery IC supplies a DC power source for one channel of the PPS loads, following the loss of all AC power.

The batteries provide the source of

power, through the inverters and static transfer switches, to the AC instrument power buses The minimum specified requirements for independent and redundant DC electrical power sources are adequate to satisfy the basis of General Plant Design Criteria No. 24 and No. 39 as stated in Appendix C of the FSAR.

Specification 3.0.5 provides the methodology and necessary data to determine the appropriate time interval to reach a CALCULATED BULK CORE TEMPERATURE of 760 degrees F.

If the active core remains below this temperature, which corresponds to the design maximum core inlet temperature, then the design core inlet temperature cannot be exceeded and there can be no damage to fuel or PCRV internal components regardless of the amount, including total

absence, or reversal, of PRIMARY COOLANT FLOW.

The FSV DC electrical power systo consists of three batteries and four battery chargers.

Two batteries, IA and IB, are i

connected to DC buses, IA and IB, respectively, and the third battery,1C, is connected directly to inverter / static transfer switch, IC.

Three battery chargers, IA, 18, and 1C, energized from the essential 480 VAC buses, maintain batteries 1A, 18, and IC, respectively, on floar charge during normal operation.

The fourth battery charger,10, is utilized to supply bus IA, or bus 1B or inverter IC, through bus ties, while maintaining incependence between the other DC power sources and the DC loads.

The use of either battery chargers,1A,1B, or 1C or backup battery charger, 10 to supply the associated DC load, i

constitutes a dedicated battery charger.

The ACTION requirements for various allowable levels of degradation of the electrical power sources provide restrictions upon continued facility operation commensurate with the level of degradation.

The OPERABILITY of the power sources is consistent with the initial conditions / assumptions i

j of the FSAR, and are based upon maintaining at least one of the redundant sets of on-site AC and DC electrical power sources and associated distribution systems operable during accident conditions which postulate the loss of all off-site power, compounded by a single failure of the other redundant on-site sources, i

Amendment No.

page 3/4 a-24 DRAFT MAR 2 21988 In Action 3.8.2.1.d a battery can be inoperable for 5

consecutive days and 10 cumulative days during a 92 day

period, if an equalizing charge is being performed. An

- equalizing charge per the manufacturer requires a nominal 3 to 5 days to complete and is required every 2 to 3 months. At FSV a battery / battery charger is disconnected from the distribution system when an equalizing charge i s being performed to preclude damage to-the DC loads.

Due to the fact that a b.o.tery/ battery charger can readily be placed back in service by reconnecting it to the system, this co.ifiguration is not considered a significant degradation of the DC power sources or the on-site distribution system.

The Surveillance Requirement for demonstrating the OPERABILITY of the 1A, 18 and 1C batteries is based on the recommendations of Regulr.ory Guide 1.129, "Maintenance Testing and Replacement of Large Lead Storage Batteries for Nuclear Power Plants,"

February

1978, and IEEE Stc 450-1987, "IEEE Recommended Practice for Maintenance, Testing, and Replacement of Large Lead Storage Batteries for Generating Stations and Substations."

Verifying average electrolyte temperature above the minimum for which the battery was

sized, total battery terminal voltage on float charge, connection resistarce values, and the performance of battery service discharge and performance dischargt tests ensures the effectiveness of the charging system, the ability of the battery to handle high discharge

rates, and the adequacy of the battery capacity with respect to the rated capacity and emergency load recuirements.

Table 4.8.2-1 specifies the normal limits for each designated pilot cell and each connected cell for electrolyte level, float voltage, and specific gravity.

The limits for the designated pilot cells float vnltage and specific gravity, greater than or equal to 2.13 volts and 0.010 below the manufacturer's full charge specific gravity is characteristic of a charged cell with adequate capacity.

The normal limits for each connected cell for float voltage and specific gravity, greater than or equal to 2.13 volts and not more than 0.020 below the full charge specific grav'ty of 1.215 with an average specific gravity of all the connected cells not more i

than 0.010 below the full charge specific gravity of 1.215, ensures the OPERABILITY and capability of the battery.

I d

i

,___-.-,_-_..,_.m._-,,,,,,-..__,.....,,,y_...,,_,_.,,,_,.-.,.,..,...-c.,

,..,-..,,__.,.m.-.

Amendment No.

Page 3/4 8-25 DRAFT Operation w th a battery cell's parameter outside the norm bb N limit but within the allowable value specified in Table 4.8.2-1 is permitted for up to 7 days.

During this 7-day perico:

(1) the allowable values for electrolyte level ensures no physical damage to the plates with an adequate electron transfer capability; (2) the allowable value for the average specific gravity of all the cells, not more than 0.020 below the encommended full cnarge specific gravity, ensures that the decreases in rating will be less tnan the safety margin provided in sizing; (3) the allowable value for an individual cell's specific gravity, not more than 0.040 below the full charge specific gravity, ensures that the overall capability of tne battery will be maintained within an acceptable limit; and (4) the allowable value for an individual cell's float voltage, greater than 2.07 volts, ensures the battery's capability to perform its design function.

-Amendment No.

Page 3/4 8-26 ORAFT AUXILIARY ELECTRIC POWER SYSTEMS 3/4.8.3 ON-SITE POWER DISTRIBUTION OPERATING LIMITING CONDITION FOR OPERATION _.

3.8.3.1 The following electrical buses shall be energized in the specified manner with tie breakers open between redundant buses:

a.

Essential 480 VAC Bus 1 energized from the 4160 VAC Bus 1,**

^

b.

Essential 480 VAC Bus 2 energized from the 4160 VAC Bus 2,**

c.

Essential 480 VAC Bus 3 energized from the 4160 VAC Bus 3,"*

d, 120 VAC non-interruptible Bus 1A/1A-1 energized through their respective inverter / static transfer switch from the preferred power source, 125 VDC Bus 1A, e.

120 VAC non-interruptible Bus 18/18-1 energized through their respective inverter / static transfer switch from the preferred power source, 125 VDC Bus IB, f.

120 VAC non-irterruptible Bus 1C/1C-1 energized through their respective inver*er/ static transfer switch from the preferred power scurce battery No.

IC, and 1 dedicated battery charger, g.

125 VDC Bus 1A energized from associated battery No.

1A, and 1 dedicated battery charger, and l

i h.

125 VOC Bus 18 energized from associated battery No.

IB, and 1 dedicated battery charger.

i APPLICABILITY:

POWER, LOW POWER, STARTUP*, and SHUTOOWN*

I l

l Whenever CALCULATED BULK CORE TEMPERATURE is greater than 760 degrees F.

• • The requirement for the tie breakers to be open between redundant buses is not applicable with respect to the 4160 VAC buses.

l i

u

Amendment No.

Page 3/4 8-27 DRAFT ACT ION ~-

MAR 2 21988 a.

With one of the required 480 VAC buses not energized in the required manner, reenergize the bus in the required manner within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or be in at least SHUTOOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, b.

With one 120 VAC non-interruptible bus not energized in the required manner from its preferred source":

1.

Reenergize the 120 VAC non-interruptible bus from the l

essential 480 VAC bus backup source via the inverter / static transfer switch within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or be in at least SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and s

2.

Reenergize the 120 VAC non-interruptible bus through the inverter / static transfer switch from its preferred source within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be *n at least SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

c.

With one 125 VDC bus not energized in the required manner from its associated battery and 1 dedicated battery

charger, reenergize the 125 VOC bus from its associated battery and I dedicated battery charger within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />

• or be in at least SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

SURVEILLANCE REQUIREMENTS 4.8.3.1 The specified buses shall cs determined energized in the requirec manner at least once ver 7 days by verifying correct breaker alignment and indicated voltage on the buses.

4

• A battery / battery charger can be disconnected from the distribution system for up to 5 consecutive days and for up to 10 cumulative days during a 92 day period, if an equalizing charge is being performed.

e -

ne-

r-Amendment No.

Page 3/4 8-28 DRAFT AUXILIARY ELECTRIC POWER SYSTEMS h04R 2 21988 3/4.8.3 ON-SITE POWER DISTRIBUTI0h SHUT 00WN LIMITING ONDITION FOR OPERATION 3.8.3.2 As a minimum, the following electrical buses shall be energized in the specified manner with tie breakers open between redundant buses:

a.

Two essential 480 VAC buses energized from the associated 4160 VAC buses,**

b.

Two 120 VAC non-interruptible buses energized through

-their respective inverter / static transfer switch from their preferred power sources, and c.

One 125 VDC bus energized from its associated battery and 1 dedicated battery charger.

APPLICABILITY:

STARTUP", SHUT 00WN*, and REFUELING ACTION: With any of the above minimum required electrical buses not energized in the required manner, immediately suspend all operations involving CORE ALTERATIONS, control rod movements resulting in positive reactivity changes, or movement of IRRADIATED FUEL and initiate corrective action to reenergize the required buses as soon as possible.

SURVEILLANCE REQUIREMENTS 4.8.3.2 The specified buses shall be determinec energized in the required manner at least once per 7 days by verifying correct breaker alignment and indicated voltage on the buses.

Whenever CALCULATED BULK CORE TEMPERATURE is less than or equal to 760 degrees F.

• • The requirement for the tie breakers open between redundant buses is not applicable with respect to the 4160 VAC buses.

t Amondment No.

Page 3/4 8-29 DRAFT BASIS FOR SPECIFICATION LC0 3.8.3 / SR 4.8.3 h4AR 2 21338 The OPERABILITY and surveillance requirements of the on-site distribution systems ensures adequate power will be available to supply essential equipment required for the safe shutdown of the facility and to mitigate and control postulated accident conditions.

The BASIS for Specifications 3.8.1 and 3.8.2 contains additional information.

Specification 3.0.5 provides the methodology and necessary data to determine the appropriate time interval to reach a CALCULATED BULK CORE TEMPERATURE of 760 degrees F.

If the active core remains below this temperature, which corresponds to the design maximum core inlet temperature, then the design core inlet temperature cannot be exceeded and there can be no dame r.e to fuel or PCRV internal components regardless of tne amount, including total absence, or reversal, of PRIMARY COOLANT FLOW.

In Action 3.8.3.1.b.2, battery / battery charger 1C and in Action 3.8.3.1.c, battery / battery charger 1A or 1B can be inoperable for 5 consecutive days and 10 cumulative days during a 92 day period, if an equalizing charge is being performed.

An equalizing cnarge per the manufacturer requires a nominal 3 to 5 days to complete and is required every 2 to 3 months.

At FSV a battery / battery charger is disconnected fror.' the distribution system when an equalizing charge is being performed to preclude damage to the DC loads. Due to the fact that a battery / battery charger can readily be placed back in service by reconnecting it to the system, this configuration is not considered a significant degradation of the DC power sources or the on-site distribution system.

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. Amendment No.

Page 3/4 8-30 DRAFT AUXILIARY ELECTRIC POWER SYSTEMS hAAR22t)38 3/4.8.4 ACM DIESEL GENERATOR LIMITING CONDITION FOR OPERATION 3.8.4 The ACM Diesel Generator shall be OPERABLE with:

a.

A flow path from any fuel oil storage tank through an OPERABLE fuel oil transfer pump to the ACM diesel fuel oil day tank, b.

A minimum of 10,000 gallons of fuel oil total in fuel oil storage tanks IA and 1B (T-8401 and T-8402), and c.

The associated switchgear and motor control center OPERABLE.

APPLICABILITY: POWER, LOW POWER, STARTUP, and SHUTOOWN ACTION:

a.

With the 'ACM Diesel Generator inoperable, restore it to OPERABLE status within 7 days (not to exceed a total of 21 days in a three month period at power for performance of l

maintenance) or be in at least SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

b.

If results from the fuel oil sample taken per Surveillance Requirement 4.8.4.d are unacceptable, demonstrate the operability of the ACM diesel generator by performing Surveillance Requirement 4.8.4.a.3 and Surveillance Requirement 4.8.4.a.4 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, if not performed within the last 7 days.

Rc: ample the diesel fuel oil in fuel oil storage tanks 1A and IB within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> of receipt of the unacceptable sample results.

If the results from i

the second sample are unacceptable, the ACM Diesel Generator shall be declared inoperable.

Drain the fuel oil from the contaminated tank (s) 4>d replace it with j

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fresh fuel oil.

Sample the fresh fuel oil per surveillance requirement 4.8.1.1.2.d.

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Amendment No.

Page 3/4 8-31 m

DRAFT -

MAR 2 21988

-SURVEILLANCE REQUIREMENTS 4.8.4 The ACM diesel generator shall be demonstrated OPERABLE:

a.

In accordance with the frequency specified in Table 4.8.4-i by:

1.

Verifying that the water jacket heater is operable by ensuring the coolant water is being maintained at -a temperature of greater than or equal to 85 degrees F, 2.

Verifying the fuel oil transfer pump starts and transfers fuel from the storage system to the ACM diesel fuel oil day tank, 3.

Verifying the ACM Diesel Generator starts, idles, and accelerates to the engine normal operating speed; the voltage shall be 4160 plus or minus 416 volts, and the frequency shall be 60 plus or minus 1.2 Hz, 4.

Verifying the ACM Diesel Generator is synchronized, loaded to 2250 KW* plus or minus 250 KW, and operates at load for at least. 60 minutes, and 5.

Veri fying the required fuel oil quantity in the fuel oil sttrace tanks.

b.

At least once per 7 days by:

1.

Verifying that the electrolyte level of each starting battery is above the plates, and 2.

Verifying that the total battery terminal voltage is greater than or equal to 126 volts on float charge.

c.

At least once per 31 days, and after each operation of the SDG diesel engines 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 7ccumulated water from the ACM Generator Day tank.

d.

At least once per 31 days, during POWER, by sampling the diesel fuel oil in fuel oil storage tanks 1A and IB (T-8401, T-8402),

in accordance with ASTM D2276-78 and verifying that the total particulate contamination is less than 10 mg/ liter when checked in accordance with ASTM D2276-78, method A.

• This is a steady state load

Amendmont No.

Page 3/4 8-32 DP/"~

bb b

e.

At least once per 18 months by:

1.

Subjecting the ACM Diesel Generator to an inspection in accordance with procedures prepared in conjunction with its manufacturer's recommendations.

2.

Verifying that each of the required ACM loads listed on Table 4.8.4-2 can be energized via the ACM electrical distribution system.

3.

Verifying that the ACM diesel fuel oil day tank level instrumentation functions properly to assure fuel oil transfer pump operation.

4.

Performing a CHANNEL CALIBRATION of the ACM Diesel Generator engine protective functions.

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Amendment No.

Page 3/4 8-33

DRAFT '

MAR 2 21988 4

TABLE 4.8.4-1_

ACM OIESEL GENERATOR TEST SCHEDULE Number of Failures in Last 20 Valid Tests Test Frecuency s1 At least once per 31 days 22 At least once per 7 days" 1

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• This test frequency shall be maintained until 7 consecutive failure free demands nave been performed and the number of fa' lures in the last 20 cemands has been recuced to 1 or less.

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' Amendment No.

Page 3/4;8-34 DRAFT MAR 221988 TABLE 4.8.4-2 ALTERNATE COOLING METHOD - DIESEL GENERATOR LOADS a.

Fire Water Pump (P-4501) b.

Service Water Pump (P-4201 or P-4202) c.

Service Water Tower Fan (C-4201X or C-4202X) d.

Service Water Return Pump

-(P-4203 or-P-4204) e.

PCRV Liner Cooling System Pumps (2)

(P-4601 or P-46015) and (P-4602 or P-46025) f.

Circulating Water Makeup Pump (P-4118 or P-41185) g.

Reactor Plant Exhaust Fan.

(C-7301 or C-7302) h.

Diesel Oil Transfer Pump (P-4803 or P-4804) 1.

Helium Purification Cooling Water Pump (P-4701 or P-4702)

J.

Firewater Pump House Vent Fan & Louvers (C-7521 or C-7522) k.

Motor Operated Valve (HV-2301 or HV-2302).

1.

Stack Effluent Radiation Monitor (RT-4801,RT-4802 and RT-4803) m.

ACM Plant Lighting n.

Breathing Air Compressor (C-4501 or C-4502) o.

ACM battery charger (N-4888)

Amendment No.

Page 3/4 8-35 BASIS FOR SPECIFICATION LCO 3.8.4/SR 4.8.4 MAS 2210gg The OPERABILITY of the ACM (Alternate Cooling Method) Diesel Generator ensures that a reliable and independent source of power will be available to equipment and instrumentation in the event of disruptive faults or. events, such as an incapacitating fire in the THREE-ROOM CONTROL COMPLEX or other congested cable areas. The ACM Diesel Generator provides power independent of the normal plant electrical distribution system by manually repositioning electrical transfer switches.

The ACM ensures that conditions analyzed and presented in FSAR Appendix D.1 for a permanent loss of forced circulation, are not exceeded in the case of such disruptive faults or events in congested cable areas. The ACM Diesel Generator is not SAFE SHUTDOWN COOLING equipment.

The Specification is not applicable in REFUELING because the reactor is in a stable condition with low decay neat requirements, and therefore, low demands on the ACM-supplied equipment.

A 7 day restoration time is required to permit maintenance and repair considering the limited availability of parts for.the unique components of the ACM Diesel Generator. This time period is acceptable beause of the limited nature of the specific events durino which the ACM Diesel Generator is used.

The Surveillance Requirements are adequate for demonstrating the OPERABILITY of the ACM Diesel Generator to perform its intended function as described in FSAR Section 8.2.8.2.

The testing of the ACM Diesel Generator simulates, where practical, l

the parameters of operation that would be expected if an actual cemand was to be placed on the system. Weekly testing of the startup batteries ensures that adequate voltage is available to start the ACM Diesel Generator upon demand, The check that the water jacket heater is operable, increases the probability of a l

successful start during cold weather conditions.

The check that the fuel oil system is capable of transferring fuel oil to the ACM diesel f ael oil day tank ensures fuel oil is available l

for ACM Diesel Generator operation.

The testing of the ACM Diesel Generator demonstrates proper startup and load-carrying capability, and verifies that the required voltage and frequency are attained.

This test also verifies that the components of the ACM Diesel Generator are OPERABLE.

The "ACM Diesel Generator" consists of the engine, generator, combustion air system, cooling system, fuel supply system, lubricating oil system, starting battery system, automatic and manual controls, and the diesel generator breaker.

Periodic energization of the ACM loads ensures that power can be distributed from the ACM Diesel Generator to the ACM components upon demand.

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't Amendment No.

Page 3/4 8-36 DRAFT MAR 221988 At least 10,000 gallons of fuel oil is required to be available in fuel oil storage tanks IA and 18.

This requirement is normally met by satisfaction of LC0 3.8.1.1.b.2.

During STARTUP and SHUTDOWN with a CALCULATED BULK CORE TEMPERATURE less than 760 degrees F, the 10,000 gallon requirement of this Specification assures OPERABILITY of the ACM diesel generatcr.

Ensuring that a fuel oil transfer system is OPERABLE with 10,000 gallons of fuel provides for over 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> of ACM Diesel Generator operation with a full ACM load of 900 KW, This is considered more than adequate time for obtaining additional fuel from of f-site sources.

The requirements on the fuel oil system provide adequate assurance that the ACM Diesel Generator will continue to supply i

reliable electric power for the duration of the ACM event.

With over 10 years experience, there have been no fuel oil related failures of the ACM Diesel Generator.

Fuel oil is distributed to the ACM Diesel Generator between a shared tank arrangement with the Auxiliary Boilers.

Diesel Fuel Oil Systems tank and related piping arrangements are shown in Figure 3.8.1-1.

The turnover of the fuel oil in the Auxiliary Boiler fuel oil storage tanks during SHUTDOWN STARTUP, and LOW POWER and the performance of surveillance requirement 4.8.4.d during POWER ensure the quality of fuel oil in the underground storage tanks and the ACM fuel oil day tank.

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P-88062 ATTACHMENT 2 This attachment contains a summary of significant changes made to the August 24, 1987 draft of the Technical Specification Upgrade Program, Auxiliary Electric Power System Technical Specifications, Section 3/4.8.

Changes the document based on discussions in meetings with s

the NRC on August 25, 1987, December 2, 1987, and March 15, 1988 and teleconferences with the NRC on January 11, 1988 and January 13, 1988 are not included in this Attachment.

1 P-88062

-Attachment 2 Section Summary of Chance Action 3.8.1.1.g Added Action statement to allow continued operation with T-9201 based on sampling the diesel fuel oil in the underground storage tanks 1A and 10 consistent with the requirements for l

T-9201 and following the requirements of Action Statement 3.8.1.1.f.

3.8.1.1.b.2 Added the requirement for a minimum quantity of fuel in the diesel fuel oil storage tank (T-9201),

due to the modified fuel oil surveillances, consistent with the existing-Technical-Specifications.

4.8.1.1.2.e.9 Revised the surveillance requirement to require the total load sequence be completed within 10%

of design time versus each load block interval be within 10.% of the design time.

3.8.1.2.b.2 Decreased the minimum required quantity of fuel oil from 20,000 gallons to 10,000 gallons.

During shutdown periods the Auxiliary Boilers are using a continuous supply of fuel oil and maintaining a 20,000 gallon supply during shutdown would be difficult.

During shutdown periods', decay heat l

removal requirements are reduced, along with the power requirements of some of the heat removal equipment.

Also, diesel fuel is being delivered up to three times per day,during this period, and i

if required, some of this could be dedicated for SOG use.

The requirement for 10,000 gallons during 1-shutdown periods is a new TSUP requirement, as the

^

current FSV Tech Specs only require a minimum fuel i.

oil quantity during power operations.

This change is consistent with the quantity required, originally proposed in the November 30, 1985 draft.

3.8.1.2.b.4 Decreased the minimum required quantity of lubricating oil consistent with the reduction in quantity of diesel fuel oil required in 3.8.1.2.b.2.

Figure 3.8.1-1 Revised ACM Day Tank capacity to 130 gallons consistent with as-built design.

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.t P-88062 Section Summary of Change Action 3.8.2.1.a Added clarification to specify action required '

with a battery inoperable due to an equalizing charge being performed.

4.8.2.1.b.2 Revised connection resistance requirement to be less-4.8.2.1.c.3 than or equal to 150 micro-ohms consistent with STS.

4.8.2.1.c.4 Added tolerances to the load on the battery chargers to allow for minor variations in the load.

4.8.2.1.e Revised voltage and current parameters to an average terminal voltage of 1 81 volts / cell, which corresponds to a total battery voltage of 105 VAC for a 58 cell battery.

Table 4.8.2-1 Revised applicability of note (4) to include only the Category B limits consistent with the STS.

Notes for Revised electrolyte temperature note to allow Table 4.8.2-1 correction when the measured cell is warmer than average.

This correction factor is normally small but it may be used to confirm acceptable voltages.

I 4.8.4.b.2 Revised the total battery terminal voltage to 126 l

volts based on design.

l 4.8.4.d Revised the surveillance to sample and verify the total particulate contamination in the underground storage tanks versus sampling and verifying the water and sediment content and kinematic viscosity in the day tank and underground storage tanks. The underground storage tanks fuel oil is replenished frequently due to the demand of the Auxiliary Boiler during shutdown.

The reduced surveillances, as clarified in the basis are therefore acceptable.

Deleted requirement to empty and clean the underground storage tanks.

This is redundant to 4.8.1.1.2.g.

Table 4.8.4-1 Added test schedule to determine ACM Diesel Generator test frequency based on the number of failures in last 20 demands.

to P-88062 i

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P-88062 OPEN ITEMS FOR PSC ACTION This Attachment provides PSC's responses to the remaining open NRC comments (provided in G-86285) that were categorized during the meetings of October 27-30, 1986 as requiring PSC action (A#).

A discussion is provided for the remaining two comments that were designated as "Resolution Pending" in Attachment 3 to P-87063.

The Resolutions provided herein reflect discussions held with the NRC on March 15-16, 1988.

u P-88062 NRC Comment: LC0 3.7.8-1:

"Adequate justification has not been submitted to justify deviation from existing ACTION requirements."

PSC Resconse:

PSC has revised the AC;-1 Diesel Generator Tech Spec, and has included the current restrictions that the ACM cannot be inoperable for more than 21 days in a 3 month period.

This has been added to Action a, in the Specification which has been re-numbered 3/4.8.4, to support the inclusion of the ACM Diesel Generator Technical Specifications ;n the Auxiliary Electric Power Systems chapter.

PSC has also revised the ACM diesel start test interval.

The existing Technical Specification SR 5.2.20 requires a weekly start test.

PSC has reviewed historical surveillance data and confirmed the reliability of this ACM diesel. A test schedule that requires ACM diesel testing either once per 31 days or once per 7 days, depending on the number of failures (similar to the SDG schedule) has been included.

Resolution:

PSC agreed to change Action a,

as shown in the Attachment 1 Specification. A#

The change in the ACM diesel start test interval will be justified in the safety analysis accompanying the April, 1988 draft of the proposed technical specifications.

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P-88062 NRC Comment: LC0 3.7.8-4:

"The deletion of oil sampling from the first draf t was not justified.

Also, an oil sampling ACTION statement needs to be added to tie LCO 3.7.8 to LCO 3.8.1.1 and conform with sampling of the ACM day tank in Specification 4.7.8.c."

PSC Response:

PSC has included a fuel oil sampling surveillance and appropriate ACTION in the attached revision to Specification 3/4.8.4.

The ACM generator day tank is checked for accumulated water and the underground storage tanks that supply the ACM day tank are either sampled for particulate contamination or their oil is kept fresh by high oil turnover associated with auxiliary boiler operation.

Resolution:

PSC agreed to add fuel oil sampling requirements and ACTIONS, as per the Attachment 1 Specification.

A#.