ML20081H785

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Seismic Confirmatory Program Sample Example 4:Charging/ Safety Injection Pumps
ML20081H785
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 10/18/1983
From:
WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:
Shared Package
ML19268E397 List:
References
PROC-831018, NUDOCS 8311070581
Download: ML20081H785 (15)
v • d • e


Text

-

3RE _ Vi N ARY ISSUE  !

Date whe/9 / /

I VIRGIL C. SUSSIER NUCLEAR STATION SEISMIC CONFIRMATORY PROGRAM SAMPLE EX/JIPLE 4 EQUIPMENT NAME & SYSTEM: Charging / Safety Injection Pumps EQUIPMENT TAG NUMBER

& LOCATION  : XPP-43A Auxiliary Building El. 388' XPP-43B XPP-43C EQUIPMENT VENDOR  : Pacific Pumps QUALIFIED BY  : " Analysis" QUALIFICATION REPORT  : Westinghouse Equipment Specification 678815 (Westinghouse Proprietary)

Pacific Punp Contract 546-CAL-169450-BN MARGIN AGAINST ACRS -

8.55 MARGIN AGAINST ASLB  : 1.78 I

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WESTINGHOUSE ELECTRIC COR"0 RATION R 81 831018 P hhK05000395 PDR ,

TABLE OF CONTENTS

.- Required Response Spectrum - ACRS 3-6 Required Response Spectrum - ASLB 7 - 10 Relevant Information for Qualification Analysis 11 - 15 and Summary of Results Westinghouse Equipment Specification 16 - 58 Pacific Pumps Design Report 59 - 68 Westinghouse Purchase Order 69 - 82 Westinghouse Quality Release 83 - 90 i

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I SCE!.G V.C. S Uld1F R NUCLERR STR110N RCBS-RESERVOIR INDUCEO RUXILIRRY BLOG EL 388-0 EQUIP. SLiSM1C SAFETT MARG. REVIEW SEISM 1CIlY -

R.1.S. X OURKE O COMPRRISON OF FRS FOR SSE FIGURE S2X SPEC 702 EQUIPMENT DAMPING: 0.020 4 RCRS DP'E: 09/17/83 MODIFIED 10 SSE A-A-A ID-ACRS/52X/0.020

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I RELEVANT INFORMATION t

FOR QUALIFICATION ANALYSIS 1

SUFMARY OF RESULTS 1

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8) Supplementary QR's were written for accessories not present at initial

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release.

9) Su==ary of Qualification is attached.

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The follcwi;.g is a brief discussion of hcw the cualificatien prccess proceeds as it relates to the charging / safety injection pumps supplied to V. C. St:rer Nuclear Station.

Please ncte that CGE is the Westinghouse project code for the Su=er Staticn and is used throughout in lieu of the entire station title.

1) A generic (cr base) equiprent spec. was prepared fer AS'E Sec. III Class 2 otrr. s (678315). It was supplerented by additicnal specific info mation.

for the charging /SI pumps at CGE and several other projects. This was done in spec. addendtra 952274. Section 3.1.21 of 678815 includes require-ments for structural intecrity and operability.

2) A base pu chase order was placed with Pacific Pt=ps (169450) . It contai.s c.eneral administrative and technical requirerents for charging /SI et=cs .

for CGE and other plants.

3) Purc'.a:::,e order 169458 was added for project CGE cnly. Requirerents'in 169458 take precedence over tPcse in 169450 for the CGE equiprcent.
4) Change notice 006 to 169450 incorporates spec. 678S15 Rev. 2 as a require-ment for all projects on base order 169450.

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5) Change notice 007 to 169455 incorporates spec. addendt:n 952274 Fev. 2 as applicable to CGE.

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6) A report was suinitted for approval sich verified the pt=ps (bv croject ..

i and ot=.0 serial ntrier) for the structural inte rity ard operabilit.v re-cuirerents of the scecification. It was accreved as being accep uble I

  • verificaticn.

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7) The three pt=ps were released cn Westinghouse quality releases 2149E a-4 l

21499. Tne rele.ases tie the ptr= serial ntrher, cri.ect (CGE), pu chase .

crder ntrier, ard applicable specificaticns :ced.er. It also verifies h.

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14.

SD:MAFJi CF CISd.IFICATICN The chargine .ct:=. s were procured to 3c's horizontal and 2g's vertical per

.~ paragraph 3.1.21.4 of specification 678815. This is egaivalent to 2.lg's in three mutually perpendicular directions per jtc.12 8230 which has been reviewed and accepted by the KTC.

A strrary of stresses at the three rcst critically stressed sections is at-ached.

These stresses are the result of the 2.1, 2.1, 2.lg loading.

Specific requirements for the Virgil Str=er Nuclear Station charging pt:=s in the Auxiliary Building at 388' elevation based en the ASL3 spectra

  • are 1 90, 0.79 , 0.25g's in directions x, y, a .d vertical. Based en the ACPS spectra", the require: rents are 0. 30 , 0. 2 2 , 0.2 2 g 's again in x , y a .d ve-lcal .

Therefcre, the margin between the actual requirer.ents and the gaalifief level is considerable.

  • Spectra dated 9/17/83 1

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15.

Summary of Most Severely Stressed Sections.

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Resultant (1) (2) (3)

Section Stress, psi Allowable, nsi Margin (ACRS) Marcin (ASLB)

Discharge Flange Stress 32,680 33,200 8.55

  • 1.78
  • Suction Nozzle 14,815 16,600 9.43 1.97 Discharge Nozzle 21,771 25,000 9.66 2.02 Bolts (1) Resultant stress is calculated on basis of a 2.lG input in both X, Y, and Vertical directions.

(2) Allowable stress is based on ASME Boiler and Pressure Vessel Code Section III, 1971.

(3) Margin is calculated for each subcomponent as

\/2.12 + 2.12 + 2.12 x Allowable Stress s/ Sax 2 + Say2 + Sav2 Resultant Stress where:

Sax = Spectral acceleration in X direction of a 2% damping RRS curve = 0.30G (ACRS) ; 1.90G (ASLB)

Say = Spectral acceleration in Y direction of a 2% damping RRS curve = 0.22G (ACRS) ; 0.79G (ASLB)

Sav = Spectral acceleration .in Vertical direction of a 2% damping RRS curve = 0.22G (ACRS) ; 0.25G (ASLB) i The fundamental frequency of this equipment is 38.8 hz in X direction.

All the othermodes have frequency higher than 50 hz. For those higher modes Spectral acceleration at 50 hz is used.

  • The s=allest margin among the three subcomponents is defined as the equipment margin and presented on the front cover page.

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