ML19211C770

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Forwards Info Requested on 791115 Re Faulting in Circulating & Svc Water Pump House Excavation.Drawings Available in Central Files Only.Description of Faults Encl
ML19211C770
Person / Time
Site: Millstone Dominion icon.png
Issue date: 01/07/1980
From: Counsil W
NORTHEAST UTILITIES
To: Parr O
Office of Nuclear Reactor Regulation
Shared Package
ML19211C772 List:
References
NUDOCS 8001140470
Download: ML19211C770 (5)


Text

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January 7, 1980 Director of Nuclear Reactor Regulation ATTN: Mr. Olan D. Parr, Chief Light Water Reactors Branch #3 U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Gentlemen: Docket No. 50-423 AEC-MP3-200

SUBJECT:

Millstone Unit No. 3 Geological Fault Data - Circulating and Service Water Pump House We are hereby submitting for your information, the data requested by your Mr. H. LeFevre at a meeting held on November 15, 1979 at Millstone pertaining to faulting in the circt lating and service water pump house excavation.

The data included in this submittal consists of:

1. A site map showing location of all faults found at the site.
2. A description of faults found on site listing displacement, description of fault, etc.
3. A detailed map of the pump house excavation showing faults, slicken sides, and igneous instrusions.
4. A description of faulting in the pump house.

If you have any questions, please contact our project staff.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY 7

/# .1 AAW William G. Counsil Vice President Nuclear Engineering & Operations 1738 048 8001140