ML19338D215

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Advises That Recirculation Discharge Block Valve Mods Are Complete.Mod Plan,Procedures & Related Documents Available at Site for Review.Work,Authorized for Ge,Was Subcontracted to Baldin Associates
ML19338D215
Person / Time
Site: Clinton Constellation icon.png
Issue date: 08/19/1980
From: Koch L
ILLINOIS POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
U-0169, U-169, NUDOCS 8009220130
Download: ML19338D215 (1)


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/LLIN0/S POWER COMPANY  : N37-80(08-19)-0

,, j,j 500 SOUTH 27TH STREET, DECATUR, ILLINOIS 62525 .

August 19, 1980 Mr. James Keppler.

Director, Region III Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission gg 799-Roosevelt Road Glen Ellyn, Illinois 60137

Dear Mr. Keppler:

Illinois Power Company has completed certain modifications to its Clinton Power Station, Unit 1. General Electric Company was authorized to perform this work which was subcontracted to Baldwin Associates. This notification is in accordance with Subarticle j, WA-1400,Section XI, ASME Boiler and Pressure Vessel Code.

The completed modifications are as follows:

The Recirculation Discharge Block Valves were modified by removing couplings and installing plugs associated with the elimination of the bypass valve and piping, as recommended by General Electric Company to eliminate a potential intergranular stress corrosion cracking problem.

The above work was accomplished in accordance with the 1974 Edition, Summer 1975 Addendc., requirements of Section XI, ASME Boiler and Pressure Vessel. Code. The modification plan, procedures, and

.related documents will be available for your review at the Site.

Sincerely,

. Koch Vice President JBC:dl n M-10Abfl 9-5 -O p cnD/2. AUG 211980

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