ML20238C868

Proposed Tech Specs Adding New Limited Condition for Operation Specifying Actions to Be Taken When Fuel Oil Particulate Level in One Main Storage Tank Exceeds Tech Specs Limit of 10 Mg/Liter

ML20238C868
Person / Time
Site:	Peach Bottom
Issue date:	08/28/1987
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20238C802	List: ML20238C801 ML20238C846 ML20238C868
References
NUDOCS 8709100419
Download: ML20238C868 (7)

Text

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'PBAPSL I

LIMITING CONDIT ONS.;FOR OPERATIOM-SURVEILLANCE REQUIREMENTS.

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f. 9 '. A '

4;9.A (Cont'd)

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b. Once per operating cycle the condition under which the O

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diesel generator is-required

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will be simulated and a test conducted to demonstrate that F"

it vill. start and accept the emergency load;within the specified time sequence.

The results shall be logged.

c. Once a month the quantity of t

E diesel fuel available shall be

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logged.

d.-Accumulated water shall be removed:

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1) From the day tanks at least s

once every 31 days and after each occasion when the diesel is operated for greater than 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, and

2) From the main storage tanks at least once every 31 days.

If it is suspected that water has entered the suction piping from the day tank, the entire fuel oil system between the day tank and the injectors shall be flushed.

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e. New fuel oil shall be sampled in accordance with ASTM D4057-81' prior to addition to the main storage tanks and:

1) In accordance with the l.-

tests specified in ASTM D975-81 prior to addition s

to the main storage tanks, it shall be verified that the sample has:

a) An API Gravity of within 0.3 degrees at 60 degrees F or a specific gravity of within 0.0016 at 60/60 degrees F, when l

compared to the p

supplier's certificate; 4

or an absolute specific 4

4 B709100419 370902 h

-218-3 M

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PBAPS LIMITfNG CONDITIONS FOR OPERA 710M SURVEILLANCE REQUIREMENTS 3.9.A 4.9.A (Cont'd) gravity at 60/60 degrees F of greater than or equal to 0.83 but less than or equal to 0.89; or an API gravity at 60 degrees F of greater than or equal to 27 degrees but less than or equal to 39 degrees.

I b) A kinematic viscosity at 40 degrees C of greater than or equal 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 degrees F, and d) A clear and bright appearance with proper color when tested in accordance with ASTM D4176-82.

2) Within 31 days of obtaining the sample, it shall be verified that the other properties specified in Table 1 of ASTM D975-81 are met when tested in accordance with ASTM D975-81 except that the analysis for sulfur may be performed i

l in accordance with ASTM D1552-79 or ASTM D2622-82.

f. At least once every 31 days a sample of fuel oil shall be obtained from the mair storage tanks in accordance with ASTM D2276-78, and it shall be verified that total particulate

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c' PBAPS e

qLXAITfNG CONDITIONS POR OPERATION SURVEILLANCE REQUIREMENTS L3.9.A 4.9.A (Cont'd) contamination'is less than 10 mg/ liter when checked in l

accordance with ASTM D2276-78, I",

Method A, except that the

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filters specified'in ASTM D2276-78, Sections 5.1.6 and I

5.1.'7, may have a. nominal pore size of up to.three'(3) microns.

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Each fuel oil storage tank shall be drained, accumulated sediment removed, and the tanks cleaned using a sodium, hypochlorite or equivalent solution, at least once every ten years.

h. The fuel oil storage tank cathodic protection system shall be checked as follows:

1) At least once every twelve months perform a test to determine whether the cathodic protection is adequate, and

2) At least once every two months inspect the cathodic protection rectifiers.

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PBAPS

'LINITfBG-CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS.

3.9.A-4.9.A (Cont'd)'

j. Each diesel generator (shall'be l-given an annual inspection in accordance with' instructions j

based on the manufacturer's recommendations.

2. Unit Batteries

a. Every week the s;,ecific 4

gravity, the voltage'and temperature ~of the pilot cell and overall battery voltage shall be measured and logged.

b. Every'three months the measurements shall be made of voltage of each cell to nearest 0.1 Volt, specific gravity of'each cell, and temperature of every fifth cell.

These measurements shall be logged.

c. The station batteries shall be subjected to a performance test every third refueling outage and a service test during the other refueling outage.

In lieu of the performance test every third-refueling outage, any battery that shows " signs of degradation or has reached 85%

of its service life" shall be subjected to an annual performance test.

The service test need not be performed on the refueling outage during which the performance test was conducted.

The specific gravity and voltage of each cell shall be determined after the discharge and logged.

3. Swing Buses

a. Every two months the swing buses supplying power to the Low Pressure Coolant Injection System (LPCIS) valves shall be tested to assure that the transfer circuits operate as designed.

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3.

PBAPS LIMITING' CONDITIONS FOR OPERATION' SURVEILLANCE REQUIREMENTS L3.9.B-(Cont'd) 6.

From and after the date that the fuel' oil in one of the diesel: generator main storage

= tanks:does not conform with specification 4.9.A.l.f, either:

1.. Declare.the associated diesel generator inoperable, or 2.

. Implement the~following actions:

a.

Isolate the main storage tank from'the system, with the associated diesel generator being supplied from one of the remaining storage' tanks, and b.-

Establish and maintain a minimum of 104,000 gallons of diesel fuel oil in the other three main storage tanks within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and c.

Sample-the fuel oil in.the other three main storage-tanks and confirm conformance with specifi-cation 4.9.A.l.f within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and d.

. Replace the unacceptable fuel oil with acceptable fuel oil and return the storage tank to i

service within 7 days, or place the reactors in Cold Shutdown within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Accelerated I

testing of the diesel generators and ECCS as specified in 4.5.F.1 is not required.

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i PBAPS 4.9 BASES (Cont'd.).

Periodic tests between refueling outages verify.the ability of the diesel generator to run at full load and the core.and containment cooling pumps.to deliver full flow.

Periodic testing _of the various components, plus a functional test' one-a-cycle,.is sufficient to maintain adequate reliability.

Although station batteries will deteriorate with time, utility experience indicates there is almost no possibility of precipitous failure.

The type of surveillance described in.this specification is that which has been demonstrated over the years to provide an indication of a cell becoming irregular or unserviceable long before it becomes a failure.

In addition, the checks. described also provide adequate indication that the batteries have the specified' amperd hour capability.

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The station batteries shall be subjected to a performance test every third refueling outage and a service test duringt s

the other refueling outages.

This testing frequency complies a

with the testing requirements of the Institute of Electrical 7 and Electronics Engineers (IEEE) Standard 450 (1975),

" Recommended Practice for Maintenance, Testing and s,

Replacement of Large Lead Storage Batteries," and Regulatcry, Guide.l.129, Revision 1 (February 1978), " Maintenance, L

Testing and Replacement of Large Lead. Storage Batteries for Nuclear Power Plants."

A performance test determines the ability of the battery to meet a specified discharge rate and duration based on the manufacturer's rating.

A service test proves the capability 1

of the battery to deliver the design requirements of the de systems; i.e.,

supply and maintain in operable status all of the actual emergency loads for the design basis accident.

A performance test is the most severe test because the cycling on the battery at manufacturer's rating shortens the service life of the battery.

A service test is performed at design i

load instead of manufacturer's ratings.

The diesel fuel oil quality must be checked to ensure proper operation of-the diesel generators.

Water content should be j

minimized because water in the fuel could contribute to excersive damage to the diesel engine.

Amendment No.

l centralized commitments related to Position C.2 of Regulatory

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Guide 1.137, Revision 1 (October, 1979) " Fuel Oil Systems for

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Standby Diesel Generators".

When it is determined that some auxiliary electrical i

equipment is out-of-service, the increased surveillance I

required in Section 4.5.F is deemed adequate to provide assurance that the remaining equipment will be operable.

The test interval for the Emergency Service Water System,

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plus the ESW booster pumps, Emergency Cooling Tower fans, and I

pump room fans associated with the ESW pumps is deemed adequate to provide assurance that the equipment will be operable based on good engineering judgment and system redundancy, plus the additional testing accomplished when the diesel generators are tested.

Pump flow tests during normal operation will be performed by measuring the shut-off head.

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