ML20052B212

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Rept of Seismic Qualification Tests of Series 10 & Series 20 Switches.
ML20052B212
Person / Time
Site: Grand Gulf  Entergy icon.png
Issue date: 11/20/1975
From:
ELECTRO SWITCH CORP.
To:
Shared Package
ML20052B163 List:
References
1981-2, NUDOCS 8204300171
Download: ML20052B212 (8)
v • d • e


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I ENGINEERING TEST REPORT.

NO. 1981-2 NOVEMBER 20, 1975 REPORT OF SEISMIC QUALIFICATION TESTS OF THE SERIES 10, AND SERIES 20 SWITCHES i

MANUFACTURED BY ELECTR0 SWITCH CORP.

WEYM0UTH, MASS. 02188 ENGINEERING TEST LABORATORY ELECTRO SWITCH CORP.

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ELECTRO SilITCH COR).

.- Weymouth, Massachusetts 02188 ENGINEERING TEST REPORT NO. 1981-2 NOVEMBER 20, 1975 1.0 PURPOSE l.l Determine conformance of design with respect to IEEE 344-1975, Recommended Practices for Seismic Qualification of Class IE Electric Equipment for Nuclear Power Generating Stations.

2.0 CONCLUSION

S 2.1 The results of seismic vibration, and associated tests performed to determine conformance of design with respect to IEEE 344-1975 of the Series 10, and Series 20 switches indicate an ability to complete the tests with no evidence of loss of functional capability, physical damage, or evidence of switch discontinuity.

3.0 MATERIAL 3.1 Eight samples, Series 10K, 10L, 20K, and 20L switches.

45o can action, 3 position limited (ON1-OFF-ON2) , built by the Assembly Dept. of the Electro Switch Corp. using normal production processes and tools.

3.2 Sample ELECTR0 No. of Weight Qty. P/N Decks (02.) Notes One 10KB-2212C8 12 14 One 10LB-2212C8 12 18 4 lights installed One 10LB-2206C8 6 12 4 lights installed One 20KB-2210C8 10 15 One 20LB-2206C8 6 14 4 lights installed 4.0 PROCEDURE 4.1 EXAMINATION - Each sample was examined for conformance to ELECTRO requirements for materials, design, construction, dimensions, finish, and workmanship.

4.2 OPERATION - Each sample was operated manually, and the switch circuits checked electrically to determine positive action, and making and breaking of the required circuits in all positions and in all decks. Indicator lights of Series 10L, and 20L switches were energized with rated voltage and checked for function.

PAGE 2 NO. 1981-2 s

4.3

'. SEISMIC VIBRATION '

A.

Samples mounted by normal means n ad resonance survey a random input. followed by biaxialsubjected to a biaxial-for test.

B. ELECTRO P/N 10LB2212C8pported The closed circuit' poles of each was rear and the open circuit poles were wired i monitored for switch closed circuits thatsample we n parallel and open circuits that close during test open, or switch Series 10L, and 20L switches were .

Indicator lichts of-C.

The Required Enclosure (1) , FigureResponse 1.

Spectrum est. is ivoltage ncluded in this report as 4.4' OPERATION 4.5

. EXAMINATION' 5.0 TEST LABORATORIES _

5.1 (a) In plant, Weymouth, Mass.

i (b) Acton Environmental Testing C orp., Acton, Mass.

6.0 TEST PERSONNEL 6.1 I

Electro (a) J. R. Switch Corp.

(b) P. B. Wight Qualey .

1 6.2 .

Acton (a) R. Environmental Gilfoy Testing Corp .  !

(b) C. Pilotte i (c) D. McLauglin (d) K. Martini l t

7.0 RESULTS I 7.1 EXAMINATION - Initial I I

All samples were found to conform t  :

workmanship.design, construction, dimen io ELECTRO requirementsqfor materials, s ons, finish, and ,

7.2 OPERATION I j .

All samples make and break the requi and after functiona). the seismic vibration .

testsand in all decks mechanical action before 1

All indicator ~ lights were

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7.3 SEISMIC VIBRATION -

All samples completed the seismic vibration tests with no evidence.

of mechanical damage or deterioration, and with no evidence of switch contact chatter during the tests. All indicator lights remained functional dur.ing the tests.

A.E.T.C. Report Nos. 11944-A (Series 10K, 12 decks), 11944-B (Series 10L, 12 decks), 11944-C (Series 10, 6 decks), 11944-D (Series 20K, 10 decks), and 11944-E (Series 20L, 6 decks) are included in this report as Enclosure 2.

Visicorder oscillograms of the accelerometer measurements are on.

file at Electro Switch Corp.

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7.4 EXAMINATION - Final All samples were disassembled and examined at Electro Switch Corp. at the completion of all tests.

Examination of each sample revealed no evidence of failure, cracks, distortion or deformation as a result of the tests.

We certify that this is a true report of the test conditions applied and the results obtained.

Respectfully submitted ELECTRO SWITCH CORP.

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v 3.'tR. p sy Test Engineer O

PAGE 4 NO. 1901~2

r Ef1 CLOSURE (1)

REQUIRED RESP 0flSE SPECTRUM i ELECTR0 TEST REPORT t10. 1981-2 0

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J I EN" CLOSURE (2) i SEISMIC VIBRATION TEST REPORTS -

ACTON ENVIRONMENTAL TESTING CORP.

REPORT NOS. Il944-A, 11944-B, 11944-C,

' 11944-0, and 11944-E i

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ELECTRO TEST REPORT NO. 1981-2 1

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