ML20246F408

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Submits Followup Info Re nonsafety-related Fuse Sizes Protecting Four Isolation Devices Noted in Util
ML20246F408
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 08/24/1989
From: Morris K
OMAHA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
LIC-89-801, NUDOCS 8908300317
Download: ML20246F408 (2)


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a Omaha Fablic Power District j

1623 Hamey Omaha. Nebraska 58102-2241 i

402/536 4000 J

i August 24, 1989 LIC-89-801 i

U. S. Nuclear Regulatory Commission Attn:. Document Control Desk Mail Station PI ~137 Washington, DC 20555

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Reference:

1.

Docket No. 50-285 2

Letter from OPPD (K. J. Norris) to NRC (P. D. Miltnc) dated February 14, 1989 (LIC-89-149) 3.

Letter from NRC (A Bournia) to OPPD (K. J. Morris) dated

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August 11, 1989 (LIC-89-306)

Gentlemen:

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SUBJECT:

Fuse Ratings for four Isolation Devices l

l Per Referencs 3, Omaha Public Power District (OPPD) is providing followup l

information regarding the non-safety related fase sizes protecting the four i.

isolation devices identified in Reference 2.

The fuse ratings are as follows:

1.

Isolati n Device Name:

Contact Output Isolators Model No.:

Foxboro Model #N-2AO-L2C-R Tao No.

Fuse Ratina iAmos) l A/PA-120-2 Annunciator Circuits - 5, Test Circuit - 1 B/FA-120-2 Annunciator Circuits - 5, Test Circuit - 1 l

C/FA-120-2 Anaurciator Circuits - 5, Test Circuit - 1 l

l D/PA-IN-2 Annunciator Circuits - 5, Test Circuit - 1

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Isolation Device Name:

Lockout Relay Mcdel No.: GE 12HEA61A223 Tao No.

Fuse Patina (Amps) 80 A/ DSS 5

86 8/ DSS 5

l 3.

Isolation Device N:,me: Supervisory Relay i

l Model No.:

GE12HGA111J2 Tao No.

Fuse Ratino [Amos) l 85A/DSSS 5

l DEB /DSSS 5

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8908300317 690824 r i j

PDR ADOCK 0D000205

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.4s w4 immoument we nium oppununnu MolC T (dmdie

s U. S. Nuclear Regulatory Commission LIC-89-801 Page'2 4.

Iso htion Device Name: DSS-Test Switch Model No.: Microswitch Part No. PTKEB0332C Tao No.

Fuse Ratina (Amos) k Al/TS-DFS 5

l 81/TS-dss 5

If you should have any questions, please contact us.

Sincerely, l

f?j,b Ks.

.. Morris j

D vision Manager Nuclear Operations KJM/pjc q

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LeBoeuf, Lamb, Leiby & MacRae R. D. Martin, NRC Regional Administrator A. Bournia, NRC Project Manager P. H. Harrell, NRC Senior Resident Inspector 4

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