B11757, Forwards Addl Responses to NRC Request for Info Re Draft Proof & Review Tech Specs

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Forwards Addl Responses to NRC Request for Info Re Draft Proof & Review Tech Specs
ML20133C131
Person / Time
Site: Millstone Dominion icon.png
Issue date: 09/26/1985
From: Opeka J
NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To: Youngblood B
Office of Nuclear Reactor Regulation
References
B11757, NUDOCS 8510070238
Download: ML20133C131 (6)


Text

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HARTFORD. CONNECTICUT 06141-0270 k L J [',(([",", (203) 665-5000 September 26, 1985 Docket No. 50-423 Bil757 Director of Nuclear Reactor Regulation Mr. B. 3. Youngblood, Chief Licensing Branch No.1 Division of Licensing U. S. Nuclear Regulatory Commission Washington, D. C. 20555

References:

(1) 3. F. Opeka letter to B. 3. Youngblood, Technical Specifications - Proof and Review, dated September 19,1985.

(2) 3. F. Opeka letter to B. 3. Youngblood, Technical Specifications - Proof and Review, dated September 20,1985.

(3) 3. F. Opeka letter to B. 3. Youngblood, Technical Specifications - Proof and Review, dated September 23,1985.

(4) 3. F. Opeka letter to B. 3. Youngblood, Technical Specification - Proof and Review, dated September 24,1985.

(5) 3. F. Opeka letter to B. 3. Youngblood, Technical Specifications - Proof and Review, dated September 25,1985.

Gentlemen:

Millstone Nuclear Power Station, Unit No. 3 Technical Specifications - Proof and Review In the above references, Northeast Nuclear Energy Company (NNECO),

submitted information requested by the Staff concerning certain draf t technical specifications for Millstone Unit No. 3. Enclosed please find additional NNECO responses to question:, raised.

We trust the attached will resolve the Staff's concerns. If there are additional questions, please contact our licensing representative directly.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY et. al. ,.

BY NORTHEAST NUCLEAR ENERGY COMPANY Their Agent A

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STATE OF CONNECTICUT )

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Then personally appeared before me 3. F. Opeka, who being duly sworn, did state that he is Senior Vice President of Northeast Nuclear Energy Company, an Applicant herein, that he is authorized to execute and file the foregoing information in the name and on behalf of the Applicants herein and that the statements contained in said information are true and correct to the best of his knowledge and belief.

hAA/uS b 7?MN V N6tary Publi(/

My CommissiQa EKGites Magh 31,1988 1

i ADDITIONAL REVIEW REQUIRED Item: Table 3.3-5, Engineered Safety Features Response Times Provide response time for:

a.) Outside Chlorine High Control Building Isolation b.) Control Building Inlet Radiation Control Building Isolation NNECO's Response:

Table 3.3-5 ENGINEERED SAFETY FEATURES RESPONSE TIMES INITIATION SIGNAL AND FUNCTION RESPONSE TIME IN SECONDS Outside Chlorine High f7 Control Building Isolation Control Building Inlet Radiation 3.7 seconds af ter signal from Control Building Isolation radiation monitor.

ADDITIONAL REVIEW REQUIRED Item: 3/4.7.13, Area Temperature Monitoring Justify our submittal.'

NNECO's Response:

The general area temperature around EEQ equipment is less limiting than a specified temperature for an environmental zone. The equipment has been specified and designed for the zone it will be located in to its (zone) highest temperature requirements. In addition, the zone location of the Temperature Monitoring device has been designated worse case for a particular zone.

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ADDITIONAL REVIEW REQUIRED Item: -Table 3.6-2, Containment Isolation Valves.

Table 3.6-2, submitted in our September 20,1985, contained an error on page 6 of the table. Attached is the revised page 6 of Table 3.5-2.

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TABLE 3.6-2 (Continued)

CONTAINMENT ISOLATION VALVES MAXIMUM VALVE NUMBER FUNCTION ISOLATION TIME (Seconds) 3QSS-MOV34A QUENCH SPRAY HEADER SUPPLY (OUTSIDE) 30 3QSS-MOV34B QUENCH SPRAY HEADER SUPPLY (OUTSIDE) 30

4. MANUAL VALVES

( 3CHS-V371 REACTOR COOLANT LOOP FILL (OUTSIDE) NA 3CHS-V372 REACTOR COOLANT LOOP FILL (INSIDE) NA 3CHS-V58 CHARGING'TO RCS RETURN HEADER (INSIDE) NA l

3CHS-V394 REACTOR COOLANT PUMP SEAL WATER SUPPLY (INSIDE) NA 3CHS-V434 REACTOR COOLANT PUMP SEAL WATER SUPPLY (INSIDE) NA

%