ML18043A738

Forwards Revision 2 to Palisades Plant Steam Generator Repair Rept, Containing Responses to 790417 & 19 Requests for Addl Info.Requests Authorization to Use Listed Code Cases During Repairs

ML18043A738
Person / Time
Site:	Palisades
Issue date:	06/11/1979
From:	Hoffman D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	Ziemann D Office of Nuclear Reactor Regulation
References
NUDOCS 7906140375
Download: ML18043A738 (8)

Text

consumers Power company General Offices: 212 vyest Michigan Avenue, Jackson, Michigan 49201

• Area Code 517 788-0550 June 11, 1979 Director, Nuclear Reactor Regulation Att Mr Dennis L Ziemann, Chief Operat*i.ng Reactors Branch No 2 US Nuclear Regulatory Commission Washington, DC 20555 DOCKET 50:..255 - LICENSE DPR-20*. :-

PALISADES PLANT -

STEAM GE.l\\:"ERATOR REPAIR REPORT -

REVISION 2 JUNE 1979 AND CODE CASE AUTHORIZATION Attached: is Revision 2 dated June 1979 of the "Palisades Plant Steam Generator Repair Report." This Revision 2 contains responses to. requests for additional information transmitted by letters dated April 17 and 19, 1979.

Additionaily, pursuant to 10 CFR 50.55a(a)(2)(ii), Consumers Power requests authorization to utilize. the following Code Cases during the Palisades Plant Steam Generator Repair Program..

Code Case l332-6

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Subject Requirements.fa~ Steel Forgi.ngs SB:..163 Nickel;,,.Chromium

• Iron. Tubi.ng Alternative Ultrasonic Examination Techniq~e Use and Remarks This code case permits higher manganese content for SA 105, SA 508 and SA 541 materials.

This promotes better welding without loss of mechanical properties.*

• This code case permits higher yield strength for Inconel

• tubing with accompanying higher design stress inten-sity values.

This code case permits immer-sion techniques to.be used as an alternate to contact tech-niques for UT of forgings.

This method is considered in general to be as good as contact tecii?l~que and better for certain geometries.

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All three Code Cases are approved by Regulatory Guide 1.85, Revision 14, November 1978.

David P Hoffman Assistant Nuclear Licensing Administrator CC JGKeppler, USNRC 2

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CONSUMERS POWER COMPANY PALISADES PLANT STEAM GENERATOR REPAIR REPORT DOCKET NO 50-255 LICENSE NO DPR-20 At the request of the Commission and pursuant to the Atomic Energy Act of 1954 and the Energy Reorganization Act of 1974, as amended, and the Commission's Rules and Regulations thereunder, Consumers Power Company submits the

• "Palisades Plant Steam Generator Repair Report*," Revision 2, June 1979, which describes the potential repair program based on complete replacement of the existing steam generators if major repairs become necessary.

CONSUMERS POWER COMPANY Sworn and subscribed to before me this 11th day of June 1979.

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LildaRThayer~

.Jackson County, Michigan My commis.s<l:on expires July 9, 1979.

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ATTACHMENT

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G- '2-=t-'1-9 PALISADES PLANT SGRR cc.p Remove Insert vi Rev 0 vi Rev 2 vii Rev 0 vii Rev 2 x

Rev 0 x

Rev 2 Appendix A -

A-l(a)-1 Rev 2 A-l(b)-1 Rev 2 A-2-1 Rev 2 A-2-2 Rev 2 A-2-3 Rev 2 Appendix B -

B-l(a)-1 Rev 2 B-l(b)-1 Rev 2 B-l(b)-2 Rev 2 B-l(c)-1 Rev 2 B-l(c)-2 Rev 2 B-2-1 Rev 2 B-2-2 Rev 2 B-2-3 Rev 2 B-3-1 Rev 2 B-4-1 Rev 2

e-PALISADES PLANT SGRR 8.6 ENT OF STEAM GENERATO R SEC'IIONS 8.8

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9.0 ~OST BENEFIT~ ALYSIS E DECONTAMINATION,

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____ G_E ___ ~AN..__D~D..--S_PO~SAL

__ ~--.--E--..OL...__D §.!~GENERATORS CONSIDERING ALA 9.1 9.2 9.3.1 9.3.2

9. 3. 3

9. 3. ~

10.0 vi 8-6 8-6 8-7 9-1 9-1 9-1 9-2 9-2 9-2 9-3 9-3 10-1

TABLE NO.*

2.. 1-1.

2.1-2 2.2-1 4~2-,1 4.2-2

.4.2-3 4.3-1

. 4. 3-2 4.4-1 4.4-2 6.2-1 6.2-2 6.2-3 6.2-4 6.2-5 8.4-1 8.8-1 PALISADES PLANT SGRR LIST OF TABLE?

TITLE STEAM GENERATOR COMPARISON DATA REPLACEMENT STEAM GENERATOR DATA STEAM GENERATOR MATERIALS ELECTRICAL EQUIPMENT AND INSTRUMENTS TO BE TEMPORARILY REMOVED 480 V MOTOR CONTROL CENTER B09 LOAD TABULATION TEMPORARY AND PERMANENT ELECTRICAL LOADS ASSOCIATED WITH STEAM GENERATOR REPAIR AND THEIR CORRESPONDING POWER SOURCE TYPICAL PORTABLE SURVEY INSTRUMENT SPECIFICATIONS MAN-REM ASSESSMENT FOR REPLACEMENT ACTIVATED CORROSION PRODUCTS AFTER SHUTDOWN MAN-REM ASSESSMENT FOR OFFSITE DISPOSAL ESTIMATES OF AIRBORNE RELEASES TO ENVIRONMENT DURING STEAM GENERATOR REPAIR EFFORT COMPARISON OF GASEOUS EFFLUENT RELEASES ESTIMATED SPECIFIC ACTIVITY OF LAUNDRY WASTEWATER ESTIMATED RADIOACTIVE LIQUID EFFLUE,f.'IT RELEASED DURING THE S~EAM GENERATOR REPAIR COMPARISON OF RADIOACTIVE LIQUID EFFLUENT RELEASES STEAM GENERATOR REPAIR ALTERNATIVE COSTS COMPARISON OF MAJOR REPAIR ALTERNATIVES vii

e.

4.2""".4 4.2-5 4.2-6 4.2-7 4.2-8 4.3-1 4.3-2 4.3-3 4.3-4 4.3-5 4.3-6 4.3-7 PALISADES PLANT SGRR LIST OF FIGURES PRIMARY COOLANT PIPING CUT POINTS MAIN STEAM PIPING CUT POINTS FEEDWATER PIPING CUT POINTS BLOWDOWN PIPING CUT POINTS STEAM GENERATOR UPPER SUPPORT DETAILS ACCESS CONTROL (EL 590'-0" AND EL 611'-0")

ACCESS CONTROL (EL 649'-0")

PRIMARY COOLANT PIPING CONTACT RADIATION SURVEY AVERAGE RADIATION FIELDS 10 WEEKS AFTER SHUTDOWN RADIATION SURVEY (EL 607'-6")

MAXIMUM DOSE RATE INSIDE STEAM GENERATORS GENERAL RADIATION FIELD NEAR STEAM GENERATOR PIPING x