ML17037B636

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Letter Regarding a Plan to Have a Containment Atmospheric Dilution System Operable by the End of 1976 and Information That the System Will Not Be Operational Until September 30, 1977
ML17037B636
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 03/08/1977
From: Rhode G
Niagara Mohawk Power Corp
To: Lear G
Office of Nuclear Reactor Regulation
References
Download: ML17037B636 (6)


Text

ASSIGNED AD:

FOR 'ACTION/INFORMATION N

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R I BUTION IST PLANT SYSTEMS

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COLLINS KREGER CONTROL NUMBER

NR C Fo AM 'I95 12 70I NRC DISTRIBUTION FoR PART 50 DOCKET MATERIAL DOCKET NUMBER 50-220 FILE NUMBER

" Mr. George Lear FROM:

Niagara Mohawk Power Corp.

Syracuse, New York G. K. Rhode DATE OF DOCUMENT 3/8/77 DATE AECEIVED 3/ll/77 ETTE R 0 ORIGINAL 0 COPY DL=SCAIPTION ONOTORIZED RUNCLASSIFIE D PROP INPUT FORM ENCLOSURE NUMBER OF COPIES AECEIVED One PLANT NAME:

Nine Mile Point Unit No.

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Ltr.'re their 7/2/74 ltr....furnishing information regarding their Containment Atmospheric Dilution System............

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>OKNOWLEDGZD:

FOR ACTION/INFORMATION INTERNALD Rl BUTION EXTERNAL DISTRIBUTION CONTROL NUMBER 77c)'7 (d8$ P NAC I'OAM IBB I2 76l

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nIAGARAMOHAWKPOWER CORPORATION

)ItI14 NIAGARA MOHAWK

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300 ERIE BOULEVARD WEST SYRACUSE. N. Y. I3202 MNMmmmmiTLF@gyp March 8, 1977 Director of Nuclear Reactor Regulation Attn:

Mr. George Lear, Chief Operating Reactor's Branch ¹3 U.S. Nuclear Regulatory Commission Washington, D.C.

20555 Re:

Nine Mile Point Unit ¹1 Docket No. 50-220 DPR - 63 Gentlemen:

Our letter of July 2, 1974 indicated that we planned to have a Con-tainment Atmospheric Dilution System operable by the end of 1976.

However, due to a change to an 18 month refueling schedule and longer than anticipated equipment lead time, the system cannot be operational until September 30, 1977.

In the interim, capability for nitrogen addition and manual venting will be maintained.

Very truly yours, NIAGARA MOHAWK POWER CORPORATION G.

K.

ode Vice-Preside t Engineering

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