ML19274D948

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Forwards Rock Anchor Test Program Rept Re Verification & Evaluation of Design Parameters
ML19274D948
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 02/15/1979
From: Brown S
Virginia Power (Virginia Electric & Power Co)
To: O'Reilly J
NRC Office of Inspection & Enforcement (IE Region II)
Shared Package
ML19274D949 List:
References
089, 89, NUDOCS 7902270274
Download: ML19274D948 (1)


Text

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VIRGINI A R ECTRIC AND POW ER COMP ANY, RICHMOND, VIRGINI A 23261 February 15, 1979 Mr. James P. O'Reilly, Director Serial rio. 089 Office of Inspection & Enforcement PSE&C/RHW/adw:mc U. S. Nuclear Regulatory Commission Region II Docket Nos. 50-404 101 Marietta Street, Suite 3100 50-405 Atlanta, Georgia 30303 Ref: Control No. F20097H1

Dear Mr. O'Reilly:

On March 30, 1976 Vepco submitted to the Nuclear Regulatory Commission a letter, Serial No. 956, which transmitted a report titled " REPORT ON STABILIZATION OF INTAKE AND CONTAINMENT AUXILIARY STRUCTURES, NORTH ANNA 3 AND 4, VIRGINIA ELECTRIC AND POWER COMPANY." This report represented our final action on this subject as required under the provisions of 10CFR /J.55(e)

(3).

A section of this report described the Rock Anchor Test Program which was being conducted to verify and evaluate various design parameters, and to arrive at the selection of the rock anchor system which would best meet the requirements of our particular needs. This test program has been completed and evaluated and is documented in a comprehensive report.

We are hereby transmitting a copy of this report titled " ROCK ANCHOR TEST PROGRAM REPORT FOR NORTH ANNA UNITS 3 & 4, VIRGINIA ELECTRIC AND POWER COMPANY" to the Nuclear Regulatory Conmission for your information and documentation.

,-Verytrulyyour[

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Q pSam/ W J d M w n C. B rown, J r.

Senior /VicePresident-ko,wer Station Engineering and Construction cc:

Mr. John G. Davis, Acting Director Office of Inspection & Enforcement Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation 7902270270