ML20135D834

Requests Addl Info Re 970116 Submittal to Change Minimum Boron Concentration Required by Refueling Water Storage Tanks,Boric Acid Storage Tanks & Safety Injections Accumulators,During Normal Operation

ML20135D834
Person / Time
Site:	Point Beach
Issue date:	02/28/1997
From:	Gundrum L NRC (Affiliation Not Assigned)
To:	Grigg R WISCONSIN ELECTRIC POWER CO.
References
TAC-M97793, TAC-M97794, NUDOCS 9703060020
Download: ML20135D834 (4)

Text

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4 Distribution February 28, 1997 Docket File LKopp

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PUBL~IC JHannon i .Mr. Richard R. Grigg JRoe JGrobe, RIII Chief Nuclear Officer PD3-1 Reading ACRS Wisconsin Electric Power Company OGC EAdensam (E).

231 West Michigan Street, Room P379 THuffert KParczewski Milwaukee, WI 53201 MShuaibi JMcCormick-Barger, RIII

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION ON TECHNICAL SPECIFICATION CHANGE REQUEST 191, " BORON CONCENTRATION CHANGES TO SUPPORT 18-MONTH FUEL CYCLES - POINT BEACH NUCLEAR PLANT, UNITS 1 AND 2 (TAC NOS. M97793 AND M97794)

Dear Mr. Grigg:

We have received your January 16, 1997, submittal to change the minimum boron concentration required in the refueling water storage tanks, boric acid storage tanks and safety injection accumulators, during normal operation, and the minimum boron concentration of primary coolant during refueling conditions. As stated in your letter these changes are necessary to support loading of the 18-month core for Unit 1 Cycle 25 in the spring of 1997.

During the review, the staff determined that additional information was required. Enclosed is the request for additional information. Please provide your response to these questions by March 12, 1997. For any information requested, please specify any information that you feel meets the criteria that it be withheld from public disclosure pursuant to 10 CFR 2.790.

Section 2.790(b)(1)(ii) of 10 CFR Part 2 of the Commission's regulations requires that each supporting affidavit contain a full statement of the reasons on the basis of which it is claimed that the information should be withheld from public disclosure. . The section further requires the statement to " address with specificity" the considerations listed in 10 CFR 2.790(b)(4).

If you have any questions, please contact me at (301) 415-1380.

Sincerely, Original signed by Linda L. Gundrum, Project Manager Project Directorate III-1 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket Nos. 50-266 and 50-301 cc w/ encl: See next page NRC ELE CENTER COPY j DOCUMENT NAME: G:\WPDOCS\PTBEACH\PTB97793 RAI, To receive a copy of this document, indicate in the box: "C" = Copy withop ejfclosures "E" = Copy with enclosures "N"

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OFFICE PD31:PM & PD31:LAlli OGCMW PD31iPo ppOi \

NAME LGundru11hT4 CJamers@ AHodgTon JHanhon DATE 2/s 7/97 2/'ul/97 7 2/# /97 2/4ff97 0FFICIAL RECORD C0P v l

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{ j NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 3066H001

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Mr. Richard R. Grigg February 28, 1997 Chief Nuclear Officer Wisconsin Electric Power Company 231 West Michigan Street, Room P379 Milwaukee, WI 53201

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION ON TECHNICAL SPECIFICATION CHANGE REQUEST 191, " BORON CONCENTRATION CHANGES TO SUPPORT 18-MONTH FUEL CYCLES - POINT BEACH NUCLEAR PLANT, UNITS 1 AND 2 (TAC NOS. M97793 AND M97794)

Dear Mr. Grigg:

We have received your January 16, 1997, submittal to change the minimum boron ,

concentration required in the refueling water storage tanks, boric acid storage tanks and safety injection accumulators, during normal operation, and the minimum boron concentration of primary coolant during refueling conditions. As stated in your letter these changes are necessary to support loading of the 18-month core for Unit 1 Cycle 25 in the spring of 1997.

During the review, the staff determined that additional information was required. Enclosed is the request for additional information. Please provide your response to these questions by March 12, 1997. For any information requested, please specify any information that you feel me'ets the criteria that it be withheld from public disclosure pursuant to 10 CFR 2.790. ,

i Section 2.790(b)(1)(ii) of 10 CFR Part 2 of the Commission's regulations '

requires that each supporting affidavit contain a full statement of the reasons on the basis of which it is claimed that the information should be withheld from public disclosure. The section further requires the statement to " address with specificity" the considerations listed in 10 CFR 2.790(b)(4).

If you have any questions, please contact me at (301) 415-1380.

i Sincerely, I

dd.un Linda L. Gundrum, Project Manager Project Directorate 111-1 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket Nos. 50-266 and 50-301 cc w/ enc 1: See next page

Mr. Richard R. Grigg Point Beach Nuclear Plant Wisconsin Electric Power Company Unit Nos. I and 2 cc:

Ernest L. Blake, Jr.

Shaw, Pittman, Potts & Trowbridge 2300 N Street, N.W.

Washington, DC 20037 Mr. Scott A. Patulski Site Vice President Point Beach Nuclear Plant Wisconsin Electric Power Company 6610 Nuclear Road Two Rivers, Wisconsin 54241 Mr. Ken Duveneck Town Chairman Town of Two Creeks 13017 State Highway 42 Mishicot, Wisconsin 54228 Chairman Public Service Commission of Wisconsin -

P.O. Box 7854 Madison, Wisconsin 53707-7854 Regional Administrator, Region III U.S. Nuclear Regulatory Commission 801 Warrenville Road Lisle, Illinois 60532-4351 Resident Inspector's Office /

U.S. Nuclear Regulatory Commission i 6612 Nuclear Road '

Two Rivers, Wisconsin 54241 Ms. Sarah Jenkins Electric Division Public Service Commission of Wisconsin P.O. Box 7854 Madison, Wisconsin 53707-7854 mm

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REQUEST FOR ADDITIONAL INFORMATION POINT BEACH TECHNICAL SPECIFICATION CHANGE REQUEST 191 BORON CONCENTRATION CHANGES TO THE REFUELING WATER STORAGE TANKS, BORIC ACID STORAGE TANKS, SAFETY INJECTION TANKS AND PRIMARY COOLANT TO SUPPORT 18-MONTH CYCLE

1. Provide a copy of the Unit 1 Cycle 25 reload evaluation report. I

2. Describe in detail the analysis for determining release of halogens (iodine) from the borated solution during refueling. Especially, explain why specific requirements for boron concentration or solution pH were established in the analysis.

3. Describe in detail the analysis for predicting change of the pH of spray and sump solutions after increase of boric acid concentration in RWSTs l

[ refueling storage water tanks), BASTS [ boric acid storage tanks), and l SI [ safety injection] accumulators. Also, provide the results of this  !

analysis.

4. Describe the review performed for the 18-month fuel cycle length and describe how you reached your conclusion that no additional applications for Technical Specifications will be required to support this change.

5. Identify the WCAP reports referenced in the submitta,1 by number, title, date and NRC staff approval document, or identify the staff Safety Evaluaticn Report for a plant-specific methodology by NRC letter and date. Ensure similar information is provided for WCAPs referenced in the Unit I Cycle 25 reload evaluation report.

6. Have you performed an evaluation of information similar to that included in Generic Letter 91-004, " Changes in Technical Surveillance Intervals to Accommodate a 24-Month Fuel Cycle" for your planned extension from 12-month to 18-month cycles? Specifically, have you addressed instrument drift? If you have such an evaluation of the cycle length change, please provide it.

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