ML20012G677

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Amend 77 to License NPF-49,revising TS for Facility to Change Measurement Range for Seismic Monitoring Instrument
ML20012G677
Person / Time
Site: Millstone Dominion icon.png
Issue date: 03/08/1993
From: Stolz J
Office of Nuclear Reactor Regulation
To:
Northeast Nuclear Energy Co (NNECO)
Shared Package
ML20012G678 List:
References
NPF-49-A-077 NUDOCS 9303110317
Download: ML20012G677 (4)


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jo, UNITED STATES 8,

'n NUCLEAR REGULATORY COMMISSION g

E WASHINGTON, D. C. 20555

, l NORTHEAST NUCLEAR ENERGY COMPANY. ET AL.

DOCKET NO. 50-423 MILLSTONE NUCLEAR POWER STATION. UNIT N0. 3 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 77 License No. NPF-49 1.

The Nuclear Regulatory Commission (the Commission) has found that:

A.

The application for amendment by Northeast Nuclear Energy Company, et al. (the licensee) dated September 22, 1992, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Commission's rules and regulations set forth in 10 CFR Chapter I; B.

The facility will operate in confnrmity with the application, the provisions of the Act, and the rules and regulations of the Commission; C.

There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations; D.

The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and E.

The issuance of this amendment is in accordance with JFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.

9303110317 930308 DR p

ADOCK 05000423 PDR

i 2.

Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and paragraph 2.C.(2) of Facility Operating License No. NPF-49 is hereby amended to read as follows:

(2) Technical Specifications The Technical Specifications contained in Appendix A, as revised through Amendment No. 77

, and the Environmental Protection Plan contained in Appendix B, both of which_are attached hereto are hereby incorporated in the license. The licensee shall operate the facility in accordance with the Technical Specifications and the Environmental Protection Plan.

3.

This license amendment is effective as of the date of its issuance, to be implemented within 30 days of issuance.

FOR THE NUCLEAR REGULATORY COMMISSION

/

o i F. Stolz, Director roject Directorate I-4 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of Issuance: March 8, 1993 k

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I.

t ATTACHMENT TO LICENSE AMENDMENT NO. 77 FACILTIY OPERATING LICENSE NO NPF-49 DOCKET NO. 50-423 Replace the following page of the Appendix A Technical Specifications with the enclosed page.

The revised page is identified by amendment number and contains vertical lines indicating the areas of change.

Remove Insert 3/4 3-48 3/4 3-48 s

j fl

-TABLE 3.3-7 i

SEISMIC MONITORING INSTRUMENTATION MINIMUM l

MEASUREMENT INSTRUMENTS INSTRUMENTS Als SENSOR LOCATIONS RANGE OPERABLE-1.

Triaxial Time-History Accelerographs

a. NBE20A Ig (Sv/g) 1 Containment Mat. (-24'3")
b. NBE20B Ig (5v/g) 1 Containment Wall (40'6")
c. NBE21 Ig (5v/g) 1 Emer. Generator Enclosure Located i

on Mat in Diesel Fuel Oil Vault (4'6")

d. NBE22 Ig (5v/g) 1 l

Aux. Bldg. F-Line Wall Near The Charging Pumps Cooling Surge Tank (46'6")

2.

Triaxial Peak Accelerographs

a. P/Al i 2g 1

Containment Safety Injection Accum. Tank (-4'7")

b. P/A2 29 1

Safety Injection Accum Disch.

Line (-22'10")

c. P/A3 Ig 1

Aux. Bldg. Charging Pumps 4

Cooling Surge Tank (46'6")

j 3a. Triaxial Seismic Trigger

[

Horizontal

.Olg 1*

(Control Room)

Vertical

.006g 1*

(Control Room) 3b. Triaxial Seismic Switch Horizontal

.099.

1**

i (Contre Room)

Vertic

.06g 1**

(Cont Room) l 4.

TriaxiaT Response-Spectrum Recorders

a. RSA-50 Spectrum Analyzer 1-32 Hz 1*

i (Control Room)

Peak Acceleration l

in Gs (Max of Ig)

b. Self-Contained Recorder 0-30 Hz at 2g 1

Steam Generator Support (51'4")

  • With reactor control room indicator. This unit is activated by signals from the NBE20A Triaxial Accelerograph.
    • This unit is activated by signals from the NBE20A Triaxial' Accelerograph and-is connected to an annunciator in the reactor control room.

4 MILLSTONE - UNIT 3' 3/4 3-48 Amendment No. 77 8888

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