Regulatory Guide 3.36

Nondestructive Examination of Tubular Products for Use in Fuel Reprocessing Plants and in Plutonium Processing and Fuel Fabrication Plants

ML13350A251
Person / Time
Issue date:	08/31/1975
From:	Office of Nuclear Regulatory Research
To:
References
RG-3.036
Download: ML13350A251 (2)

U.S. NUCLEAR REGULATORY COMMISSION August 1975 gREGULATORY GUIDE

OFFICE OF STANDARDS DEVELOPMENT

REGULATORY GUIDE 3.36 NONDESTRUCTIVE EXAMINATION OF

TUBULAR PRODUCTS FOR USE IN FUEL REPROCESSING PLANTS

AND IN PLUTONIUM PROCESSING AND FUEL FABRICATION PLANTS

A. INTRODUCTION

isslirarice of prortection againlst natural plillelllelilit arid the conisequenlces of Potentiarl aiccidents ;imid linotes Ihail Sectionr 50.34, "'o.tnlnts of" applications

technical tire criteria ill Appendix IBilo Pail 50 will be used in infortirlion,' of 10 CIR Part 50. Licensing of Produc- determrininig tIre ;adequacy i u ' tie quality assurancc tion and Utilizationi. Facilities., requires. amonrmg other progi*aiill.

things. that each applicalion I'r a construction permit I'Or ai fueIl reproicessinug plalnt inlclude sot ll'liien iflufrina. Tlre integrity of lubular products carl blie ri illlpotarilt lio0 relative to Illateria3ls 01' Construction to proVide consideration ill sNa'cvI evaluations. The proper uset of reasonable assurance that the final design will ciitformn nondestructive examlinationl can ideuritf')y dlelts. thlat to tire design bases with adequate margin for safety arid could inp:rir tlie integrity of these iterirs. Acceptable a discussioll Of ho1w the applicable iequiremeitls 0t practices for lite nondestructive ex:ainatiorn otf Itubular Appendix I1. "Quality Assuranlce Criteria for Nuclear Iproducts can differ significaill)y. IIi tlre iiterest of'

Power Plants anid Fuel Reprocessingl Plants." to 10 CFR slandr:rdizatiov. triis guide specifles procedures accept- Part 50 will be satisfied. As .used in Appendix I3. abltoI the NRC staff for tie rIhUindesltiiclive exarinina-

.quality assurance" comprises all tlhose planned arid tion of high-integrity tubular products. These proce- systemratic actions necessary ho provide adequirate con- dures, which draw fil those used for nuclear lotnwrc hidenice that sal'ets-related structures. SvstIIS.lli an1d cI.li- plants, will provide a uniforim quality level consistent ponlenls will perforrn satisfaclorily in service. Appendix with the function of lhigh-integrity tubular products for I1 reqtuires. in part, that mreasures be established to safely-rClatied structures, systems, arid C0ilrprrntliClS of'

enlsure inlaterials contIlrol anid conltrol of special processes fuel reprocessing plants arid plhutoniumrr processinri arid and to ensure the performiance of reliable testing fuel fabricalinll plaills.

programs..

The recorirndur ionsir t' this guide apply ti high- Paragraph 70.22(f) of 10 CFR Par( 70, "Special integrity tubular producs I'Or corrhlrernieri harrieis. filr Nuclear Matcrial., requires, in part, that each applica- process systemls ard collipollenets. for iatditoactive waste tion for a license to possess and use special I*ucear handling aid storage., systemns. The recorrmrmerndations also material in a plutonium. procassinig and fuel fabrication apply to tibular producls whose failhrre rmay adversely plant contain a description of. the quality assurance affect tile safety of other strunctures. systenms. and prograli to be applied to thie design, fabHrication. corirpocrients. arid to tubular products exposCed to co0r o- construction, testing, arifd operation of the structures. sive enviironlmnents and/or high stresses ol" other sa*ll,- systeris, and. components of the plant and that t(ie related structures, systenirs, arid coimporeirts of fuel description incrlude.a discussion of how the criteria of reprocessing plants and plutonium processing aird fuel Appendix, B-of Part 50 will be met. Paragraph 70.23(b) fabrication plants.

of Part 70 provides that the Commission will approve construction of a plutonium processing and fuel fabrica-

B. DISCUSSION

tion plant when it has determined that the design bases Tile riaintenance and decoonltamninationi of radio- and the quality assurance prograin provide reasonable chienniical struct ures. systemsiS, and cormrponents call be USNRC REGULATORY GUIDES Co-,stent% should lie sent to the Sittatv 0o the Co ,,,,iott U S Nuc**a*,

to dtictibf and "like .,Vible t p Regutttih'turd Con-mintoin WWlihinflisn 0 C 12M%Attlltitin Dockletinig and Regulatory Guoide, or Service Sectioi methodt acceplahle *o the NAC sitatf of itliementing specisic pails oftil Commiotion s tegulationi in delinleaite tethrotqlie$ uittd h the Staffi in evalu lhe iuidrs il. i ottitlfit otiillOwini its, boltaidlon ofi..q spicific p preotulated oolemot tlccident%. or to provide guidance to nriblh C ntit Regutlatoty Guidt*4tie not tubstitsstuai, tat regulation% and comptliatnce P e Rs.,ctl', 6 Preducl with them is not required Melthodt and solution%dilferent teom thote st outlit 2 Reenearch ant 11t Rem, till 7 thnihtatiiin the guide% will be accuitpltlhhr i thi r provide . h the hut ,gt in I MFatountl.d ItW ilSl tlds 8 Occupiu* HetaIlitiealth the isua1tue o cnentiuiindict It A pterttiit of licene byr the Comnnsstion 4 1 nvoitonnuentl and Siting 9 Ani* tl RAnvo..

Comments and %iiqiojtiiet tisr i-rutitop enuents - 01tiee qjtiide, a- encouraged 5 Mateialltuid Plant Putalacliois 10 Grenseratl at All time%, and ijuide%w-il h. iitted ast iltrui*ioltte. tii accontnrodate con, mitents .td ti) eftliLt n'ew oiltotatittifn nt erierteiP: Htluesowvi cnnruunnts ofn Ctloiitl of ptubtished gi...e,mayli rvialrtn ttqu-te indicating te*s h, obtatined his this guide. if o!te*iled within ahintil etl te.ciiths Meet it ss-irs-c., *ill ht¥ti$1 diisiont desitesd to the U 5 Nudl*.l egiatotnyi Co*nrntinion. Wsthisolcton, 0 C

ticutIatI undul itt e1vtuatlilI ttre nd lot ,In attey itavtnitl 20i

5. tt Attention

26. i., Oflfie ot Standardt Develotpiment

both diftficult and lazardous. Cracks. crevices, dellects. waste handling acid storage systeits, and ()tubular arid tilhie disconthinuites oin the surfaces of such products exposer" 'o corrosive cniironments and/or high equilpnieutl mi1ay retain radioaclive solutions or iarliieu- stresses of other safely-related structures, systemts. and lailes. This compl~c icates decouiitiitiationi for decoritutis- coitlpontens of fuel reproccssinlg plants and of pIu- sicutiiii.tor when direct lepiair. riiaiitelianc. or ilspeciCioii tonium processing and fuel fabrication plants should lie ilursl be niade.t('rcks aind detects caln also coitribute Io capable of detecting unacceptable defects regardless of

[lie leakaLge of equipmilent by inliliatinig accelerated detfeet shape, otrierlalion, or ocation in the product.

cievice irrcioll by' eithCe ti operliaio or decoiritarii- Accordingly, to Ile degree practical. the examinations I13li11I eC11iironlleill. hIternal cracks and defects mray' should inlude ilethods that apply to ithe cmi lire vohlniC

event I:dllyt be* pod to the ý,ula'Ices by cr10ni1 1al of thi product and stoo1ld itclhide techniques dIC.signed

0,rr osior and wvealr kt the cqolipmeni. Inte at delcots It loc0ate :ll iypes of defelS. Inl particular. IrotcCdutres can I trcrc1,uc' t' considcled as deltrimnial a. as sutl-ice for ultrasonic cxaniinatiurn ti" pipe aid tubing should detctl's anld. for tie tc.StcIS *ivtn aLboVe . should he provide a senisitivity that will detect radoimly oriented

avoided. 'hi'lvielore. rcliabhlc nicidest rctiive examinaito detlkcts that occasionally develop in pipc and tubing ut lhe etirte volilire (d' it"ral o ttl' tblir products Ised nitaitulacl tired by cxlrusion, swagingg. or ttube-redticing in ,art¢cy-ielai'dl !riiclire. stems. mid corniprenl s.hI tis ot processes.

li' rej ircessirIg plait is rid it' pIl)IMton4iuinr prcessing anid l'irel Labricatioi plants should he pe, funtied. To adequatevly control the quality of tubular products intended for f ie uses described above. they should be Stibarticle NB1.2550 of Section III. Division I . of the Oxalnitiied and icpaircd as follows:

Arie ricaln Society clt Mechanical l:.4n*crs (ASME)

lBoiler and Pressure Vessel Code;' gives nequire'.nernts tor I. All tub1ular products should bc excnained for both Cximilailioi arnd repair and accelptance 'crileria for c:ircurttl'ctcnIlial and axial delkccts, seiuIIcss a31d melded (titllihul filler metnal) tubular pruduicts an.hd alltitlgs for usC ill nu clear reactor comtin- 1. Wroughl seamless lhuhular products should be ponents. Tire requiirements and crilCria of NI.2550 are exaunirted and repaired in accordance with NB-2550 of also acceptable it thie NRC stafl for the quality contrl the ASMIE ('ode usirie the acceptance criteria given o1f.catitess tubular products I'm use in fiue rireprocessintg therein with the following addition. When ultrascmic p1ant1S :111dt ill pluitulnioti proceSSing and fuel fabricalioli cxainitnalion is performned. the sound should be trars- plarniks %,ith the following ,clarifhalitonsarid additions: mitted in both directions for each mode of scanning; i.e..

I I ) atll tubuular i'podLucts should bl examinired for both when the code requires circuimferential scan. the sotund cilcurilfreintial and axial defects and (2) whcnI ultrasonic should be tr:nsmitted in both circumferential directions.

examiilnialion is required. tIre sound should be trans- and when the code requires circuntlterential and axial miuted in !he two directions. i.e.. in both circumlerenitial scans. 1lie sound sltould be transmitted in both circurn- tdinclioins or both axial and both ci[rct.lferenti al direc- f'erential directions and both axial directions.

timis, as requircd. This scanning may be accomplished by ;llparate passes oh the pipe through thie examination 3. Examinalion arid repair for welded tubular prod- equipmenl ill each direction (back and forth) or by a ucts (with filler metal added) should be in accordance single pass through equiplmntit contlaining complete and with NB-2560 of tlie ASMIE Code. When ultiasonic independent channels of in1strunen tation for each mode examination is performed for ihese products, it should and directioun of scarlminig. be done in accordance with NB-2550 of the ASME Code and with regulatory positions C.A and C.2.

Requiremtents tor the examination and repair and acceptance criteria for welded tubular products (with

D. IMPLEMENTATION

tiller metal added) are given ii1 Subsubarticle N1H-2560 of The purpose of this section is to provide information Section III of the ASME code. These requirements are to applicants and licensees regarding the NRC stafl's accepiable .o Ihe NRC sla Ifwith the following addition.

plans for using this regulatory guide.

When Ine option for ultraIsotiC exarmination of finished welded ppe is invoked as permitted by NB-2560, tine Except iiithose cases in which the applicant proposes tiltrasotic e.xamination should meet the requirements of act acceptable alternative method for complying with NII-2550 and dte recomliniicdations of Ibtis guide. specified portions of the Commission's regulations. (lie

C. REGULATORY POSITION

nmethod described herein will be used in the evaluation of submittals for license applications or construction Nondestructive examination applied to (1)tubular permits docketed after December 26, 1975.

products used for safety-related process systems and comiponents. (2) tubular products used for radioactive If an applicant whose application for license is docketed on or before December 26. 1975, wishes to use aCopics' may bhe oblined I'rtom the American Society cr this regulatory guide in developing submittals for appli- Meclchaical F-nginceers. United IEngineering Center, 345 East cations, the pertinent portions of the application will be

471h Street. New York. N.Y. IMt 17. evaluated on the basis of this guide.

3,36.2