ML20072B137

Rev 2 to Seismic Qualification Reevaluation,Class IE Equipment for Shoreham Nuclear Power Station,Unit 1

ML20072B137
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	04/03/1981
From:	Ramadas E GENERAL ELECTRIC CO., SCIENCE APPLICATIONS INTERNATIONAL CORP. (FORMERLY
To:
Shared Package
ML20072B132	List: ML20072B130 ML20072B137 ML20072B147 ML20072B151
References
029-QA-80-PA, 029-QA-80-PA-R02, 29-QA-80-PA, 29-QA-80-PA-R2, NUDOCS 8306130328
Download: ML20072B137 (5)

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SHOREHAM S0,RT ORF# A00-992 m m-t P

Rev. 1 SHOREHAM NUCLEAR s/s/81 i

'1 POW:ER STATION l.

UNIT 1 h

SEISMIC QUALIFICATION REEVALUATION CLASS lE EQUIPMENT

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' LOCAL PANELS i

SAI # 029-QA-80-PA Rev.2 E. S, RAMADAS, ~~kQ /

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April 3,1981 l

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SCIENCE APPLICATIONS, INC, L

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5 Polo Alto Saucre, Suite 200 s

Polo Alto, California 94304 a

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Table 2 SHOREHAM NUCLEAR POWER STATION

1. 555 CLASS 1E LOCAL PANEL DEVICES WITH. SINGLE AXIS MALFUNCTION LI gx! MUM EXPECTED ACCELERATION AT MOUNTING. LOCATION.

I IEEE 344-71 CAPABILITY MAX. EXPECTED ACC. AT ANY MPL i GE PPD DWGf (MAX.ACCN ON TESTED PANELS)

LOCATION ON SHOREHAM PANELS g

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i O G D EN TECH N O LO GY LAB OR ATO RIES, IN C-j.If

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gf O b.YALINCIA Oftlyt. FULLERTON. CAL'FORNIA 33g3 g TELEPHONE &s 734/t79.g33o siva..uns 24 September 1973 FUiLERTON DIVISIO!! REPORT NUMBER F-73493 Darksdale~P. O. Number 31600 A.

TEST:

Seismic Vibration B.

TEST' ITEM:

Part No. PlH-MB5SS-V Switch C.

SPECIFICATION:

General Electric 225A5766 and Instructions of Barksdale and General Electric representative.

This is to certify that the test item was subjected D.

RESULTS:_

to the Seismic Vibration Test according to the specifications.

The test are detailed on the second page.

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OGDEN TECIINOLOGY LABORATORIES, INC.

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.J P G R. D. Short, Division Manager T. P. Smith, Project Engineer Subscribe.

and sworn to before me this 24th day of September 1973.

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AMADOR HERNANDEZ d

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Amador flernandez, Notarydeblic -in an)d for the County of Orange, State

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of California.

My commi

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• Rf J. McKellig6tt, i

. Quality' Assurance Manager jc

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u Details of Seismic Vibration Test

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1.

Resonance Search A.

Procedure Frequency Range 2 to 33 Hz Vibration. Levels :

- 0.2g'from 2 to 5 Hz

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A*0.5g from 5 to 33 Hz Sweep Rate 0.8' octave / minute Duration of Test :

9 minutes Applied Pressure.:

85 ps'ig

' Chatter Monitor 10 Microseconds Recording Response accelerometer mounted on the test item in the axis of vibration.

B.

Nesults There were no indication of resonant frequencies.

2.

Dwell Oibration e(

A.

Procedure Frequency Ulth.mateLevel*

r, Duration (Seconds)

2. H z 1 inch da 30 5 Hz 1 inch da 30 10 Hz 24g 30 15 Hz 179 30 3

20 Hz

• 179 30 25 Hz 124g j

30 Ur, 1299 30 30 t

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• Level. gradually increased at each frequency in attempt to induco faiinre mode, chatter.

Applied Pressure 85 psig

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Chatter Monitor 10 microseconds i

B.

Results

;j There was no indication of contact chatter in excess of 10 l

microseconds up to and including the ultimate levels shown'in

.A above.

These ultinate levels are vibration machine limits i

.at the different frequencies.

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' There was no visib1e evidence of physical damage rest.1 ting fro = the. tests.

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SAllPLE CALCULATION 0F PRESSURE SWITCH NATURAL FREQUENCY Item:

Barksdale Pressure Switch Model !!o PlH-M340SS-V MPL tio. E21-t:008/f;039 PPD flo.159C4602P002 Hechancial Construction:

Sensi ng el ement ------------------

diaphragm sealed piston Diaphragm material----------------

Viton 1.625" Diaphra gm diameter----------------

Pi ston trav el --------------------

0.040" max Spring constant ------------------

100 lb/in Mass of mechanism ----------------

0.1 lb Natural Frequency:

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2 where k = spring constant f

m =. mass of mechanism l

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