ML20039F979

Concurs in Decontamination Package.Amend & Notice of No Significant Hazards Consideration Forms Correct.No Action Should Be Taken Until Commission Acts on Request for Hearing

ML20039F979
Person / Time
Site:	Dresden
Issue date:	12/05/1981
From:	Scinto J NRC
To:	Crutchfield D Office of Nuclear Reactor Regulation
Shared Package
ML20039F978	List: ML20039F977 ML20039F979
References
NUDOCS 8201150053
Download: ML20039F979 (14)

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hO Note to D. Crutchfield

/2/fe/jo Re: Dresden #1 (0 ELD #80-11-26-4)

It is in the correct form of amendment and notice for a no significant hazards consideration case.

As you know, there is a pending hearing request. No action should be taken on this until the Comission acts upon.the request for hearing.

s Return it to this office for further review at that time.

The safety evaluation is rather good from the standpoint of its metallurgical discussions.

I note that you are using a standard conclusion, that is, the amendment does not increase the probability or consequences and does not reduce margins. However, nothing in the safety evaluation discusses a the probability or consequence of any accidents. Nor does it discuss margins, f

$ You conclusion may be right, but it is a non sequitur.

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' -_.In accoMance with the/Comission's Memorandun and Order (CLI-81-25) - -M in the Matter of Conronwealth Edison Company (Dresden Nulear Power Statio0, (I

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- --- Unit 1) Docket 50-10, September 28, 1981, I have determined that the activities 8

authorized by Amendrent to Facility Li PR present no significant hazaMs consideration.

Support umentation far is provided in the enclosed

" Safety Evalkation.

ated ard the materials referenced therein.

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Accordingly, the Division of Licensing has is,s.

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Thbmendment authorizes the chemical decontamination cf the primary cooling system, revises the Technical Specifications to allow deletion of require-ments for primary containment integrity during the decontamination, and exclusion of the radioactive liquid storage tanks in the seismically designed chemical cleaning building from the above grade storage curie limitations.

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A copy of the Notice ^' '- me is also enclosed.

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Docket No. 50-10 Mr. L. DelGeorge Director of Nuclear Licensing

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Dear Mr. DelGeorge:

The Director of the Office of Nuclear Reactor Regulation ha etermined that LicendagPR the activities authorized by Amndant to Facilit presen,,

no sifnificant hazards consideration.

Accordingly, the Division of Licensirg has issued the enclosed Amendment W. to - =.- _ A (6'

), authorizes the chemical decontamination of the primary cooling system, revises the Technical Specifications to allow deletion of require-ments for primary containment integrity during the decontamination, and exclusion of the radioactive liquid storage tanks in the seismically designed chemical cleaning building from the above grade storage curie limitations.

is action is supported by the NRC staff's Final Environmental Statement (NUREG-0686) related to Primary Cooling System Decontamination at Dresden Nuclear Power Station. Unit No. I dated October 1980g ga, 7 L}'.

i uring our review we identified a change to your proposed specification needed to satisfy our licensing requireme'nts. We discussed the change with your staff and they agreed to the change.

H ennv nf the Nn+ 1re af Y e * - :: i: ;E

, Sincerely.

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Division of Licensir.g Enclosuref:

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~[ ~We have determined that the proposed rinsing procedure will' neutralize and

.. remove the vast majority of the. solvent that might be retained in any cracks' that may'be present in the vess'el cladding.

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. that traces of residual solvent will not cause through clad cracks to pr

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ine proposed Technical Specification 3.7.A.1 would delete the requirement to maintain primary containment integrity during the chemical cleaning outage, when all fuel is removed from the reactor and containment.

The current Technical Specifications require that primary containment integrity be main-l tained if the reactor water temperature is 212 F or higher.

The chemical l

cleaning solution would be above 212*F during the cleaning process.

During the chemical cleaning process there will be several mechanisms in place to detect leaks in the primary coolant system i.e., primary system level detection devices, ficor drain tanks level detection devices, conductivity measurements on floor drains, humidity sensors, and continuo ~us air monitors in the' containment.

In the event of a small leak in the primary coolant system, repairs will be made to limit the amount of contamination in the containment.

l If a.'large primary coolant system leak occurs, it is possible to pump 85% of the liquid in the primary coolant system directly to the radwaste treatment I

facility receiving tanks within 15 minutes.

Since the decontamination radio-active species in the primary coolant system during chemical cleaning are non-volatile'(mostly Co-58 and Co-60, since iodine has decayed to insignifi-l cant levels) and no fuel will be inside the containment, release of volatile l

airborne activities due to a leak would be minimal.

This conclusion is con-sistent with the tests and experience of.the licensee and its contractor and the experience during decontamination of the Plutonium Recycle Test Reactor (PRTR) primary system.

Even though minimal volatile airborne activities would be released by a j

l chemical cleaning leak, we require that the primary containment be closed during the chemical cleaning process.

This means that all primary containment openings will have covers in place and fastened.

The licensee has proposed to

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,r portion of the amendment. du.nyed h.'MTMrmM anlA*"f f use t p < f w A an d it 4 W tr1 L u & h

/970 For further details with respect to this action, see (1) the applications for amendment dated December 19, 1974, as supplemented, and November 14, 1979, (2) Amendment No.

to License No. DPR-2, and (3) the Comission's related v J eN'd Lw:<twmv.-fM Wh.u.f Safety Evaluation. All of these items are available for public inspection at A

the Comission's Public Document Room,1717 H Street, N. W., Washington, D. C.

20555 and at the Morris Public Library, 604 Liberty Street, Morris, Illinois 60451. A single copy of items (2) and (3) may be obtained upon request addressed to the U. S. Nuclear Regulatory Comission, Washington, D. C.

20555, Attention: Director, Division of Licensing.

Dated at Bethesda, Maryland, this FOR THE NUCLEAR REGULATORY COMMISSION Dennis M. Crutchfield, Chief Operating Reactors Branch #5 i

Division of Licensing l

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c DCrutchf Docket No. 50-10 DISTRIBUTION:

VBenaroya Docket P0'Connor NRC PDR HSmith LPDR OELD l-TERA Ol&E (5)

Mr. J. S. Abel NSIC BJ ones ' (4)..

Director of Nuclear Licensing HDenton BScharf (10)

Commonwealth Edison Conpany ECase ACRS (16)

Post Office Box 767 DEisenhut CMiles, OPA Chicago, Illinois 60690 RPurple RDiggs.

Glainas Gray File

Dear Mr. Abel:

JRoe Xtra cy (6)

DCrutchfield VNoonan The Comission has issued the enclosed Amendment No.

to Facility Operating-License No. DPR-2 for Dresden Nuclear Power Station Unit No.1.

This amend-ment-is in response to your application dated December 14, 1974, and supple-ments thereto identified as references in the enclosed Safety Evaluation Report, and your application dated Noventer 14, 1979.

This amendment authorizes the chemical decontamination of ~ the primary cooling system, revises the Technical Specifications to allow deletion of require-ments for primary containnent integrity during the decontamination, and exclusion of the radioactive liquid _ storage tanks in the seismically qualified chemical cleaning building from the above grade storage curie limitations.

This action is supported by the NRC staff's Final Environmental Statement (NUREG-0686) related to Primary Cooling System Decontamination. at Dresden Nuclear Power Station, Unit No. I dated October 1980.

During our review we identified a change to your proposed specification needed to satisfy our licensing requirements. We discussed the change with your staff and they agreed to the change.

A ' copy of' the Notice of Issuance is also enclosed.

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Sincerely, n) p& y cT J

Dennis M. Crutchfield, Chief g

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Operating Reactors Branch #5 Di ision of Licensinc

Enclosures:

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Enclosures:

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Notice of. Issuance 3

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See next pagej 4-i' i.

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~ fMYR F@RM 318 R9 76TINR@M 0240 YU.S. GS$VE RNMENT ' PRINTING OFflCEt 1979-289-369 '

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COMM0 WEALTH EDIS0N COMPANY

' DOCKET-NO. 50-10 DRESDEN NUCLEAR POWER STATION UNIT N0.

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AMENOMENT TO FACILITY OPERATING LICENSE-

- Amendment No.-

License No. DPR-2

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The Nuclear Regulatory Comission (the Comission) h'as-found that :

A.

The-applications for amendment by the Commonwealth Edison Coapany

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(the licensee) dated December 19. 1974, as supplemented, and Novenber 14 1979, conply with the stan.dards and requirements-t

. of the Atomic Energy Act of 1954,. as amended (the Act), ~ and the

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Comission's rules and regulations set forth in 10 CFR Chapter I; B.

The facility will operate in conformity with the applications, the provisions of the Act, and the rules ~and regulations of the Comission;

'C.

There is reasonable assurance (1) 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 conplia'nce with the~Comission's regulations; D.

The issuance of this amendment will not be inimical to the comon -

defense and securitycor to the health and safety of the public; and E..The issuance of this amendment is in accordance with 10 CFR Part -

' 51; of the Comission's regulations and all_ applicable requirements :

-have been satisfied.-

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Mn kR$l FCERM 318 R9 763 fiRCM O240 '

NU.S. GOVERNMENT PRINTING OFFICE: 1979 289.3G9

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L2. ' Accordingly..the 11 cense'iscamended by changes to the Technical.~

Specifications as' indicated in the attachment to this license amends.ent, cand Pagragraph 2.C(2) of Facility Operating License No. DPR-2 is hereby amended to read as follows:

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

, are hereby 1.ncorporated in the license. The licensee shall operate the. facility in accordance with the Technical Specifications..

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3.. Facility Operating License.No.- DPR-2'is further amended by incorporation of a new Paragraph 2'H. to read as follows:

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The licensee is' authorized to chemically decontaminate the primary cooling system of Unit No. I using Dow Chemical Solvent NS-1.. The waste generated by this decontamination shall' be solidified and disposed of in an. arid low-level waste-burial site authorized to accept' chelated waste for burial.

4.. This license amendment is effective as of the date of its. issuance.

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FOR THE ' NUCLEAR REGULATORY C0lWISSION Dennis M. Crutchfield, Chief Operating Reactors Branch #5 Division of Licensing

Attachment:

Changes to the Technical Specifications' T

Date-of Issuance:

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NT.C FORM 318 (9-76) NRCM O240.

DU.S. GQVERNMENT PRINTING OFFICE: 1979-289-369

7590-01 UNITED STATES NUCLEAR REGULATORY COMMISSION DOCKET NO. 50-10 COMM0?MEALTH EDISON COMPANY NOTICE OF ISSUANCE OF AMENDMENT TO FACILITY OPERATING LICENSE The U. S. Nuclear Regulatory Comission (the Comission) has issued Amendment No.

to Facility Operating License No. DPR-2, issued tc the Comonwealth Edison Coupany (the licensee), which revised the Technical Specifications for operation of Unit 1 of Dresden Nuclear Power Station (the facility) located in Gruncty County, Illinois. The license amendment is effective as of its date of issuance.

This amendment authorizes the chemical cleaning of the Primary Cooling System and revises the Technical Specifications to allow deletion of the.

primary system and exclusion of the radioactive liquid storage tanks in the seismically qualified Chemical Cleaning Building from the above-grade storage curie limitations.

The applications for the amendment couply with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Comission's rules and regulations. The Comission has made appropriate findings as required by the Act and the Comission's rules and regulations in 10 CFR Chapter I, which set forth in the license amendment. Prior public notice of this amendment was not requirediince the amendment -does not involve a significant hazards consideration.

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NRC FORM 318 09 76) NRCM 0240,. _ _,

, k U.S. GOVERNMENT PRINTING OFFICE:_1979-289 369.___,_

5. -

. The environmental igact.of the chemical cleaning has been assessed in NUREG-0685 entitled " Final Environmental Statement Related to Primary Cooling System Chemical Decontamination at Dresden Nuclear Power Station, Unit No.1",

dated October 1980. The Comission has determined that the issuance of the.

technical specification change portion of the amendment will not result in any significant environmental.igact and that pursuant to 10 CFR s51.5(d)(4) an environmental inact statement or' negative declaration and environmental igact appraisal 'need not be prepared in connection with the issuance of that portion of the amendment.

For further details with respect to this action, see (1) the applications

.for amendment dated Deceder 19, 1974, as supplemented, and November 14, 1979, (2) Amendment' No.

to License No. DPR-2, and (3) the Comission's related

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Safety Evaluation. All of these items are available for public inspection at the Comission's Public Documer:t Room,1717 H Street, N. W..' Washington, D. C..

20555. and at the Morris Public Library, 604 Liberty Street, Morris Illinois L

60451. A single copy of items (2) and (3) may be obtained upon request-addressed to the U. S. Nuclear Replatory Comission, Washington, D. C.

20555,

. Attention: Director, Division of Licensing.

Dated at Bethesda, Maryland, this FOR THE NUCLEAR REGULATORY CO MISSION Dennis M. Crutchfield, Chief

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Operating Reactors Branch #5 Division of Licensing OFFICE h....

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