ML20095B517

Proposed Rev 2E to BVPS Unit 2 IST Program for Pumps & Valves

ML20095B517
Person / Time
Site:	Beaver Valley
Issue date:	07/07/1995
From:	DUQUESNE LIGHT CO.
To:
Shared Package
ML20095B475	List: ML20095B472 ML20095B509 ML20095B517
References
PROC-950707-01, PROC-950707-1, NUDOCS 9512110076
Download: ML20095B517 (6)

Text

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DUQUESNE IEJfr CDEPANY Deaver Valley FOwer Station Iktit 2 DEERVIS 'ElSTDIG (IST) 190GtAM RR IUEG AIO VATRES 4

W Revision _,2EL, d

4 Pages Tma d OSC Revis/ Data r

y 3 ..c;f 5 Bf-0M .2&f5 4/b.9/9.f 11 nit Operations Manager Review /Date 7f7/95 an=was by Date

'Riis "PW Revisim" was made against Revision 14A of the pr._e. tktit ? ISP Fu.apaira.

9512110076 951204 PDR ADOCK 05000334

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.. PDR. _.

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. l BVPS-2 IST P w gam

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FRfN REGJESP 10 i

i Pump krk No(s).: See attached Table.

Oxle Test aaquinument: Per IWP-4120, the full-scale rarge of eacts instnanent j shall be three times the referenom value or less.

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Pania for peliaf: '1he punps listed cn the attached table use instruments which do not meet the requim==fui of IWP-4120, however, the accuracies of the instruments used is more conservative than the Code requirements of IWP-4110, Table IWP-4110-1. 1%r the attaded i table, the cmbination of the higher range and better accuracy for eacts instrument yields a reading at j least equivalent to the reading achieved frtet ,

instruments that meet the Code requirements.-  ;

'Iherefore, relief is requested in accordance with  !

Generic Letter No. 89-04, Supplement 1 (NUREG-1482), l Paragraph 5.5.1. ]

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Alternate Test: Use the instruments listed on the attached table as long as the cmbination of the higher range and better accuracy for eacts instrument yields a reading at least equivalent to the r*wiing adlieved from instruments that meet the Code requirements.

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Fu--- 91 Revision 2E (Page 1 of 5) ,

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, . _ . - - . . . . . . -. - -~. - - . . . _ . .. - - - . - - . . - .. - - . = . . - - - , - . - . - ~ - _ - .

BVPS-2.IST Program PRr:rRP RElgUEST 10 I

IST Ptap Instrumentation j t

Associated Instrument Condition - i Pung ~I.D. No. Requiring Relief Basis for Relief / Alternate Test '(

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! 20tS*P21A 20tS-PIl51A 'Ihe range of the 'Ihese are the suction pressure l

20tS*P21B 2CHS-PI152A gauges is greater gauges for the Charging Pumps. [

1 2CHS*P21C 20tS-PI153A than 3 times the 'Ihey are sized for all modes of ,

reference pressures punp operation including accident i

during quarterly corditions (i.e., can take suction *

{ recirculaticn flow frcan the Recirculation Spray i l testing and during Punps) with a range of 0-160 psig.  !

full flow testing During recirculation flow testing, l at refueling. the suction pressures are apprm. i

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25% of the range.. During full i i flow testing, the suction ,

- pressures are approx.10% of the  :

range. 'Iheir calibration accuracy is 0.5%, idlich smuld yield a raading more amwate than Code requirements. ,

l 20iS-FI122A 'Ihe range of the 'Ihis Charging Line Flow Indicator I l- gauge is greater is sized for all modes of Charging

! than 3 times the Pung operation with a range of  !

! reference flow 0-150 gpn. It meets the Code  !

during testing at requis-u-its duriry quarterly i refueling. recirculation flow testing of the Charging Punps, however, the portion of flow through this line t during full flow testing at refueling is throttled to between

• l 45-50 gpa, slightly below 1/3 of

! the range. Its calibration >

l accuracy is 1.5%, which would

yield a reading more accurate than Code requi&=usuits.

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'Ihe range of the 'Ihe NHSI Injection Flow Indicator 20iS-FI943

! gauge is greater is sized for full flow Charging i

! than-3 times the Punp operation during an accident 4 i: reference flow with a range of 0-1000 gpm. j during testing at However, the portion of flow '

refueling. throu@l this line during full flow testing of the Charging Pungs at refueling is throttled to approx. l l 30% of the range. Its calibration  !

. accuracy is 1.0%, which would ,

yield a reading more accurate than Cbde requit_sts.

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Proposed Revision 2E (Page 2 of 5) ]

s 1BVPS-2'IST P w p -=

RE22EF REQUEST 10 IST Punp Instrumentation Associated Instrument condition-Pung I.D. No.- Requiring Relief ~ Basis for Relief / Alternate Test 2OIS*P22A 2OIS-PI123A 'Ihe_ range of the 'Ihese are the suction pressure 2OIS*P22B 12OIS-PI123B  ; gauges is. greater gauges for the Boric Acid Transfer than 3 times the Pumps. 'Ihey are sized for all reference pressures modes of punp operation and Boric during quarterly Acid Storage Tank levels with a testing. range of 0-30 psig. -During quarterly testing,.the suction ~

pressures are approx. 10-15% of the range.. 'Ihmir calibration.

accuracy is 0.5%, which would yield a rnading more accurate than code requirements.

2 SIS *P21A 2 SIS-PI938 'Iha range of the 'Ihese are the suction pressure l 2 SIS *P21B 2 SIS-PI939 gauges'is greater gauges for the Iow Head Safety'  !

than 3 times the Injection Punps. 'Ihey are sized {

reference pressures for recirculation and full f1 w  !

during quarterly testing with a' range of 0-160 psig.  !

recirculation f1w During reciru11ation flow testing, testing and during the' suction pressures are approx. ,

full f1w testing 20% of the range. During full  !

at refueling. f1w testing, the suction pressures  :

are approx.10% of the range. l

'Iheir calibration accuracy is 0.5%,  ;

which would yield a reading more accurate than code requit===4ai.

-2RSS*P22A Test Gauges 'Ihe range of the A test gauge is installed on the 2RSS*P21B (Suct Pres) gauges may be suction line of each Recirculation 2RSS*P21C greater than 3 times Spray Punp during testing at

- 2RSS*P21D the reference refueling. A test dam is erectect pressures during and filled with water to provide testing at NPSH. 'Ihe gauges are sized for refueling. varying levels of water in the test dam with suction pressures varying between 10-30 IWC.' Test gauges of varying ranges and accuracies may be used, however,- the acabination of range and accuracy would yield a pressure Imading within +/-0.5 IWC.

'Iherefore, their better calibration accuracy in ocanbination with a larger range would yield a reading more accurate than Code requirments.

Piupc- i Revision 2E (Page 3 of 5)

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l L , BVPS-2 IST F w p == i 3: I g .

h PPJN REUJEST '10 -

i i IST Pung Instrumentation  !

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i Associated. Instrument Condition

$ Pung I.D. No. Requiring Relief- Basis for Relief / Alternate Test l 2

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} .20CP*P21A 20CP-PIl50A 1he range of the These are the suction pressure

.20CP*P21B 20CP-PI150B- gauges is greater gauges for the Cwi-a. Cooling l 2CCP*P21C 20CP-PI150C than 3 times the Water Punps. They are sized for >

reference pressures all modes of punp operation with a  ;

) during quarterly range of 0-60 psig. - A pung curve 1 testing, is used during quarterly testing )

as approved by Relief Request 1 No.7. The suction pressures vary

between 24-37% of the range. l i- Their calibration accuracy is i 0.5%, whi m would yield a raaM ng j l

mre accurate than Code requirements.

}' 2FWE*P23A 2FWE-FIl00A The range of the These flow meters are located in

- 2FWE*P23B 2FWE-FIl00B gauges is greater t.he three lines to the Steam i 2FWE-FIl00C than 3 times the Generators from the Axiliary

} '~ reference flows Feedwater (APW) Pungs. They are

during full flow and sized with a range of 0-400 l . testing at cold gpm to measure accident flows frun

shutdown and the Turbine-Driven AFW Pung i refueling. [2fME*P22]. They are also used to i maa=we accident flows frun the i Motor-Driven APW Pungs (2FWE*P23A

i. and B), but at a lesser flow rate i of approx. 30% of the range.

i Their calibration accuracy is 1.5%, which would yield a reading

. more accurate than Code l requirements.

l i 2EXIF*P21A 2EGF-PI201A The range of the These are the discharge pressure

! 2EGF*P21B 2B3F-PI201B gauges is greater gauges for the Emergency Diesel i~ -2EGF*P21C - 2EX3F-PI201C than 3 times the Generator Fuel Oil Transfer Punps.

'2EGF*P21D 2EGF-PI201D referanos pressures They are sized for an modes of i during bi-monthly' punp aparation with a range of

. testing. 0-30 psig. During bi 6 y testing, discharge pressures are between 8.5 to 10.5 psig, slightly below 1/3 of the range. Their calibration accuracy is 1.0%,

whi & would yield a reading more accurate than Code requit _ .ts.

1 Proposed Revision 2E (Pege 4 of 5) ,

BVPS-2 IST Pi@rcuu RRr:rRP REQUEST 10  :

t IST Punp Instrumentation ,

Associated Instrument Condition  :

Punp I.D. No. Requiring Relief Basis for Relief / Alternate Test ,.

2SWS*P21A 2SWS-PIl05A 'Ihe range of the '1hese are the Service Water Punp 2SWS*P21B 2SWS-PIl05B gauges is greater seal water pressure gauges. 'Ihey .

2SWS*P21C 2SWS-PIl05C than 3 times the are sized for all modes of punp  !

reference pressures operation with a range of 0-100 during quarterly psig. Durirq quarterly testing, ,

testing. the seal water pressures are  !

approx.10% of the rarge. '1 heir calibration accuracy is 0.5%,  !

whidt would yield a readirg more ,

accurate than Code requirements.

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i Prtponed Revision 2E (Page 5 of 5)