ML17037B550

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Letter Regarding Responses to April 7, 1976 NRC Questions
ML17037B550
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 06/02/1976
From: Rhode G
Niagara Mohawk Power Corp
To: Lear G
Office of Nuclear Reactor Regulation
References
Download: ML17037B550 (8)


Text

FORM 195 (2. 16)

U.S. NUCLEAR REGULATORY MISSION DOCKET NUMOER NRC DISTRIBUTION Fon PART 50 DOCKET MATERIAL FILE NUMBER TO:

MR GEORGE LEAR FrIQNI: NIAGARA MOHAWK POWER CORP SYRACUSE'Y G K RHODE DATE OF DOCUMENT DATE RECEIVED s-'4-"l4

+LETTER

+ORIGINAL C3COPY ONOTORIZED

@UNCLASSIFIED INPUT FORM NUMSEB OF COPIES RECEIVED DESCRIPTIOQM LTR RE OUR 5-7-76 LTR AND THEIR 2-11-76 SUB-MITTAL TRANS THE 'FOLLOWING........

ENCLOSURE RESPONSES TO APRIL 7, 1976 NRC QUESTIONS.....

ZCKNOmEINEO NNX Rzzovm SAFPl'Y ASSIGNED AD:

BRANCH CHIEF:

PROJECT 11ANAGEH:

LIC. ASST.:

FOR ACTION/I) Ence NFO RMATION ASSIGNED AD:

BRANCH CHIEF:

PROJECT MANAGER:

LXC. ASST.:

EG IlIHC PDR I 8c E OFLD GOSSICK' STAFF CASE HANAUEH PARLE S T MMAGVi,.IEhlT HQYY)

P COLLINS HOUSTON PL<<ERSON MF<TZ IK<LTEMES SKOVHOLT LPI)R~O

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NIAGA*AMOHAWK POWER CORPORATION

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MOHAWK 300 ERIE GOULEVARD WEST SYRACUSE, H. Y. l3ROR 51~+

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+gill June 2, l976 "Director of Nuclear Reactor Regulation Attn:

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

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Re:

Nine Mile Point Unit l Docket No. 50-220 DPR-63

Dear Mr. Lear:

Your April 7, l976 letter requested additional information regarding our February 4, l976 license amendment application for Nine Mile Point Unit l.

The attached responses

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address the questions contained in that letter.

Very truly yours, NIAGARA MOHAWK POKER CORPORATION GERALD RHODE Vice President Engineering

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RE+SONSES TO APRIL 7~ 1976 NRC QUESTIONS Nine Mile Point Unit 1 Docket No. 50-220 DPR-63 R~euest A

In Section II of Attachment "C" to your application, you have indicated that large calibration sources in excess of 100 millicuries are located in shielded wells in the I'nstrument Calibrati on Room.

Provide a description of the admini strati ve and/or physical controls which limit access to the shielded wells.

The Instrument Calibration Room is posted as a High Radiation

area, and contains a locked door to preclude unauthorized entry.

In addition, a Radiation fi3ork Permit is required for entry to the room.

This ensures that proper protective clothing and survey requirements are imposed prior to entry.

Also, Site Radiation Protection Procedures cover entry into High Radiation areas.

I

R~euesh B

In Section II.3.2 of Attachment "C", you have indicated Chat a remote source handling device will be used to position Che Co~0 source in its storage well for calibration of portable beta-gamma dose rate instruments.

Provide a description of the technique, device, or procedure which you will use to assure that, after

use, the Co~

source will be returned Co a position in the well that will result in the minimum radiation exposure to personnel at the well surface.

Radiation Protection Technical and Analytical Procedure No. S-RTP-14 covers Che use of'he source and well and requires ChaC the source be returned to the bottom of Che well after use which will result in the minimum radiation exposure to personnel at Che well surface.

In addition, an indicator light denotes whether the source has been returned to the bottom of the well.

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