L-83-591, Requests Relief from Tech Spec 4.2.1 Inservice Insp Requirements & Specific ASME Code Edition to Perform Visual Exam (VT2) in Lieu of Volumetric & Surface Exam Requirements

Requests Relief from Tech Spec 4.2.1 Inservice Insp Requirements & Specific ASME Code Edition to Perform Visual Exam (VT2) in Lieu of Volumetric & Surface Exam Requirements

ML17345B378
Person / Time
Site:	Turkey Point
Issue date:	12/16/1983
From:	Williams J FLORIDA POWER & LIGHT CO.
To:	Eisenhut D Office of Nuclear Reactor Regulation
References
L-83-591, NUDOCS 8312220117
Download: ML17345B378 (18)

Text

REGULATOR+INFORMATION DISTRIBUTION +TEN (RIBS)

ACCESSION NBR:8312220117 DOC ~ DATE: 83/12/16 NOTARIZED:

NO FACIL:50 250 Turkey Point Planti Unit 3i Florida Power and Light C

50 251 Turkey Point Plantr Unit 4i Florida Power and Light C

AUTH BYNAME AUTHOR AFFILIATION WILLIAMS'

~ 8, F1 or ida Power 8 Light Co ~

RECIP ~ NAME RECIPIENT AFFILIATION EISENHUTiDBG ~

Division of Licensing

SUBJECT:

Requests relief from Tech Spec 4.F 1. inservice insp requirements 8 specific ASME Code edition to perform v)sual exam (YT2) in lieu of volumetric 8 surface exam requirements.

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FLORIDA POWER & LIGHTCOMPANY December 16, 1983 L-83-591 Office of Nuclear Reactor Regul ation

'Attention:

Mr. Darrell G. Eisenhut, Director Division of. Licensing U.

S.

Nuclear Regulatory Commission Washi ngton, D. C.

20555 Deap Mr.

Ei senhut:

Re:

Turkey Point Units 3

and 4

Docket Nos. 50-250 and 50-251 Relief Request from Technical Specifi.cation Inservice Ins ection Re uirements Technical Specification 4.2.1 and 10 CFR 50.55 a(g) contain certain ISI schedular requirements as well as a specific ASME Code Edition.

Please find attached a relief request from certain of these requirements.

The basis for the relief requested is also included in the attachment.

Very truly yours, J.

W. WilliaIIs, Jr.

Vi ce President Nuclear Energy Department JWW/PLP/js Att achment cc:

Mr. James P. O'Reilly, Region II Harold F. Reis, Esquire P NS-LI-83-746 8312220117 831216 PDR ADOCK 05000250 PDR PEOPLE... SERVING PEOPLE

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REVISION HUHJBER 8818880 1 1 <

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.Turkey Point Unit No.

3 8

4 Inservi ce Inspection Relief Request No.

9 A.

Com onent Cl assification:

Cl ass I

1.

Exanination Category B-B, Table IWB-2600 1974 Edition through Summer 1975 Addenda 2.

3.

4.

5.

Exanination Category B-F, Table IWB-2600 1974 Edition through Summer 1975 Addenda Exanination Category B-D, Table IWB-2600 1974 Edition through Summer 1975 Addenda Exanination Category B-J, Table IWB-2600 1974 Edition through Summer 1975 Addenda Exanination Category 8, D, F, J, Table 4.2-1 (1970 Edition and Winter 1970) PTP-3/4 Techni c al Speci ficati on B.

EXAMINATION REQUIREMENTS:

1.

2.

3.

4' 4a.

Code Item No. 83.1 'olumetric Exanination, to include 10$ of the length of each longitudinal shell weld and meridional head weld and 5$ of the length of each circumferential shell weld and head weld.

Code Item No. 83.3 Volumetric and surface examination to include 100$ of the circumference weld.

Code Item No. 83.2 Volumetric, to include 100', of the volume.

All nozzles shall be exanined during the inspection interval.

Code Item No. 84.6 Volumetric Exaaination, to include 25$ of the circumferential joints including the adjoining 1 ft. sections of longitudinal joints and 25$ of the pipe branch connection joints.

Code Item No. 84.7 Surface Exanination, to include 25$ of the circumferential joints including the adjoining 1 ft. sections of longitudinal joints and 25$ of the pipe branch connection joints.

TECHNICAL SPEC IF ICATION REQUIREMENTS 5.

.5 a.

Code Item No. 3.1 Volumetric Exanination, is limited to the circumferential weld attaching the tube sheet to the channel head 5$

per int erv al.

Code Item No. 3.3 'isual, Surface, Volumetric Exanination includes 25K of nozzle to safe-end welds.

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5b.

Code Item No. 3.2 The primary nozzles are cast with the head.

No inspections are pl armed.

Sc.

Code Item No. 4.2 Visual and Volumetric Exanination includes circumferenti al and longitudinal pipe welds.

C.

RELIEF RE UESTED:

REGENERATIVE HEAT EXCHANGER - see attachment 4

In lieu of Volumetric and Surface Exaoination requirements, Florida Power 5 Light Co. opts to perform:

1)

A Visual Exanination (VT-2) which has been satisfactorily completed during the system hydro pressure test (1st Inspection Interval).

D.

BASIS FOR RELIEF:

The anount of associated effort and supporting work to comply with the code requirements is not justified for the following reasons:

1)

To perform these exaninations, large expenditures of manhours and man-rem are required, with essenti ally no compensating increase in plant safety, coupled by the increase in radi ation (see attachment no.

3 and 4 for comparison in radi ation levels from 11-2-82 to 10-9-83) exposure.

Additional areas contributing to the justification are as follows:

Florida'Power 5 Light Company performed examinations on both Unit 3 and 4 heat exchangers during the first and second inspection periods.

The coverage and/or the examination limitations, are depicted in attachment I.

The component design, ar rangement and accessibility are not normally conducive to meaningful examinati on.

Additional temporary shielding must be installed for any examination, except for the visual method.

As a consequence, this would reduce the access to the component for exanination due to existing space conditions.

The component has to be uninsulated for exaninations.

Typically, surfaces also have to be conditioned resulting in additional man-rem and creating significant cleanliness problems.

E.

ALTERNATE EXAMINATIONS: ~

1)

Perform a Visual Exmination, (VT-2) in accordance with section XI of the ASME boiler and pressure'essel code.

F.

IMPLEMENTATION.SCHEDULE:

At or near the end of the inspection interval.

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"IDENTIFICATION OF ALL WELDS" Attachment 4

Unit II3/4 Regenerative Heatexchanger Head To Shell RGX-(I)-1 PGX-(II)-1 RGX-(III)-l Shell To Tube Sheet RGX-(I)-2 RGX-(II)-2 RGX-(III)-2 Tube Sheet To Tube S) eet RGX-(I)-3 RGX-(II)-3 RGX-(III)-3 Tube Sheet To Head RGX-(I)-4 RGX-(II)-4 RGX-(III)-4 Shell I

Nozzle-Welds RGX-(I)-9 RGX-(I)-10 RGX-(I)-11 RGX-(I)-12 Shell II RGX-(II)-9 RGX-(II)-10 RGX-(II)-ll RGX-(III)-12 Shell III RGX-:(III)-9 RGX-(III)-10 P.GX-'( II I ) -11 RGX-(III)-12 Nozzle - Pipe Intersta e

Pi in Shell I

RGX-(I)-7 RGX-(I)-8 RGX- ( I ) -9 Shell II RGX-(II)-5 RGX-(II)-6 RGX-(II)-7 RGX-(II)-8 Shell III Nozzl e-pi pe RGX-(III)-5 RGX-(III)-6 Integ ra 1 1 y

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~So orts RGX-(I)-Lug RGX-( I I )-Lug RGX-( III)-Lug Clam Restraint RGX-(I)-CR RGX-(II)-CR RGX-(III)-CR

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