ML20079B029

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Proposed Tech Specs,Modifying SR 4.8.1.1.2.g.3 That Will Permit DG Full Load Rejection Tests to Be Performed at Realistic Plant Conditions Using Power Factor to Envelope Calculated Power Factor During Worst Kw Loading Conditions
ML20079B029
Person / Time
Site: Millstone Dominion icon.png
Issue date: 12/23/1994
From:
NORTHEAST NUCLEAR ENERGY CO.
To:
Shared Package
ML20079B015 List:
References
NUDOCS 9501040247
Download: ML20079B029 (6)


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e i Docket No. 50-423 B15067 j l

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l Attachment 1  :

Millstone Nuclear Power Station, Unit No. 3 Proposed Revision to Technical Specifications l Diesel Generator Full-Load Rejection Test and Fuel Oil System Pressure Test Marked-up Pages ,

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December 1994 ,

9501040247 DR 941223 ADOCK 05000423 PDR ,

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w, 11ECTRICAt POWER SYSTEMS yg l

. SURVEILt_ANCE RE00fREMENTS (Continued) b) A kinematic viscosity at 40'C of greater than er equal to 1.9 centistokes, but less than or equal to 4.1 contistokes .

1 (alternatively, Saybolt viscosity, SUS at 100*F of greater than or equal to 32.6, but not less than er equal to l l

40.1), if gravity was not detemined by comparison with the supplier's certification; c) A flash point equal to or greater than 125'F; and i

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

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2) By verifying within 30 days of obtaining the sample that the other properties specified in Table 1 of ASTM-D975-81 are met i when tested in accordance with ASTM D975-81 except that the analysis for sulfur may be performed in accordance with ASTM-D1552-79, ASTM-D2622-82 or ASTM-D4294-83.
f. At least once every 31 days by obtaining a sam >1e of fuel oil in accordance with ASTM-D2276-78, and verifying t1st total particulate i contamination is less than 10 mg/ liter when checked in accordance l with ASTM Df276-78, Method A;
g. At least once per 18 months, during shutdown, by:
1) Subjecting the diesel to an inspection in accordance with i l

procedures prepared in conjunction with its manufacturer's  ;

reconsnendations for this class of standby service;*

2) Verifying the generator capability to reject a load of greater than or equal to 595 kW while maintaining voltage at 4160 1 420 volts and frequency at 6013 Hz;
3) Verifying the generator capability to reject a load of 498 W l without tripping. The generator voltage shall not exceed 784 5000 volts during and,following the load rejection; 4784 voHs
4) Simulating a loss-of-offsite power by itself, and: ,

a) Verifying deenergiration of the ememency busses and load ,

shedding from the emergency busses, and Verifying the diesel starts on the auto-start signal, l b) +

energizes the emergency busses with permanently connected loads within 11 seconds, energizes the auto-connected '

shutdown loads through the load sequencer and operates for i greater than or equal to 5 minutes while its generator is

- loaded with the shutdown loads. After energitation, the '

steady-state voltage and frequency of the emergency busses shall be maintained at 41601 420 volts and 60 1 0.8 Hz during this test.

  • Except that the Surveillance Requirement inspection due no later than December 25, 1992 may be deferred until the next refueling outage, but no  :

later than September 30, 1993 or whichever is earlier. AmendmentNo.f,Jp,(f. t MILLSTONE - UNIT 3 3/4 8-5 5997

. M/92-~

, , htEtTRICAlPOWERSYSTEMS ~~ N O ~7 y

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suevtittaNcf RroutREMrffit (continued)

{M performing a press 1re test of those portions of the diesel fuel eil systes designed to Section !!!, subsection IS of the ASME Code at e test pressure equal to 110E of the system design pressure.

4.5.1.1.3 Rgandt - All diesel generator failures, valid or nonvalid, shall be reported to the Commission in a Special Report pursuant to

$>ecification 6.9.2 within 30 days. Reports of diesel generator failures s sall include the information recommended in Regulatory position C.3.b of Regulatory Guide 1.108. Revision 1. August 1977. If the number of failures in the last 100 valid tests (on a per Diesel Generator basis) is greater than or equal to 7, the report shall be supplemented to include {;

the additional information recessended in Regulatory position C.3.b of l Regulatory Guide 1.108, Revision 1, August 1977.

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MILLSTONE - UNIT 3 3/4 8-8 U eens Amendment No. Jp ,F)  ;

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5 Docket No. 50-423 l B15067 l

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Attachment 2 Millstone Nuclear Power Station, Unit No. 3 )

Proposed Revision to Technical Specifications  ;

i Diesel Generator  !

Full-Load Rejection Test Fuel Oil System Pressure Test .

Retyped Pages  !

l December 1994 I

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, ELECTRICAL P0MER SYSTEMS j o SLEVEILLANCE REQUIRENEN S (Continued) .

b) A kinematic viscosity at 40*C of greater than or equal to'  !

1.9 centistokes, but less than or equal to 4.1 centistokes  :

(alternatively, Saybolt viscosity, SUS at 100'F of greater  :

than or equal to 32.6, but not less than or equal to  ;

40.1), 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 j tested in accordance with ASTM-D4176-82. t

2) By verifying within 30 days of obtaining the sample that the  ;

other properties specified in Table 1 of ASTM-D975-81 are met I when tested in accordance with ASTM-D975-81 except that the analysis for sulfur may be performed in accordance with ASTM- i D1552-79, ASTM-D2622-82 or ASTM-D4294-83. l

f. At 'oast once every 31 days by obtaining a san >1e of fuel oil in accordance with ASTM-D2276-78, and verifying tiat total particulate )

contamination is less than 10 mg/ liter when checked in accordance with ASTM-D2276-78, Method A;

g. At least once per 18 months, during shutdown, by- t
1) Subjecting the diesel to an inspection in accordance with  !

procedures prepared in con. junction with its manufacturer's  !

recommendations for this class of standby service;* l

2) Verifying the generator capability to reject a load of greater i than or equal to 595 kW while maintaining voltage at 4160 1 420 i volts and frequency at 60 i 3 Hz;
3) Verifying the generator capability to reject a load of 4986 kW without tripping. The generator voltage shall not exceed 5000 volts during and 4784 volts following the load rejection;
4) Simulating a loss-of-offsite power by itself, and:

a) Verifying doenergization of the emergency busses and load shedding from the emergency busses, and b) Verifying the diesel starts on the auto-start signal, energizes the emergency busses with permanently connected loads within 11 seconds, energizes the auto-connected shutdown loads through the load sequencer and operates for greater than or equal to 5 minutes while its generator is loaded with the shutdown loads. After energization, the steady-state voltage and frequency of the emergency busses shall be maintained at 4160 1 420 volts and 60 1 0.8 Hz j during this test. j 1

  • Exce)t that the Surveillance Requirement inspection due no later than Decem>er 25, 1992 may be deferred until the next refueling outage, but no )

later than September 30, 1993 or whichever is earlier.  !

MILLSTONE - UNIT 3 3/4 8-5 Amendment No. J. JJ, JJ, 77, om

o- ELECTRICAL POWER SYSTEMS SURVEILLANCEREQUIRENENTS(Continued) 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 infonnation recommended in Regulatory Position C.3.b of Regulatory Guide 1.108, Revision 1, August 1977. If the number of failures in the last 100 valid tests (on a per Diesel Generator basis) is greater than or equal to 7, the report shall be supplemented to include the additional information recommended in Regulatory Position C.3.b of.

Regulatory Guide 1.108, Revision 1, August 1977.

i MILLSTONE - UNIT 3 3/4 8-8 Amendment No. JP, pp, at

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