ML20204F878

Reg Guide 1.84, Design & Fabrication Code Case Acceptability,Asme Section Iii,Div 1

ML20204F878
Person / Time
Site:	Millstone
Issue date:	06/30/1986
From:	NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES)
To:
Shared Package
ML20204F875	List: ML20204F870 ML20204F878
References
REGGD-01.084, REGGD-1.084, TAC-61256, NUDOCS 8608060224
Download: ML20204F878 (13)

Text

+/%% U.S. NUCLEAR REGULATORY COMMISSION uune 1986 Q%,FA*) OFFICE OF NUCLEAR

+

GUIDE RE REGULATORY GUIDE 1.84 DESIGN AND FABRICATION CODE CASE ACCEPTABILITY ASME SECTION lil DIVISION 1 A. INTRODUCTION Part 50 requires, in part, that measures be established for the control of special processing of materials and that Section 50.55a, " Codes and Standards," of 10 CFR proper testing be performed.

Part 50, " Domestic Licensing of Production and Utiliza-tion Facilities," requires, in part, that co,nponents of the This regulatory guide lists those Section !!! ASME Code reactor coolant pressure boundary be designed, fabri- Cases oriented to design and fabrication that are generally cated, erected, and tested in accordance with the require- acceptable to the NRC staff for implementation in the ments for Class I components of Section 111 " Nuclear licensing of light water cooled nuclear power plants.

Power Plant Components,"8 of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Any information collection activities mentioned in this Code or equivalent quality standards. Footnote 6 to regulatory guide are contained as requirements in 10 GR Q50.55: states that the use of specific Code Cases may Part 50, which provides the regulatory basis for this guide, be authorized by th'e Commission upon request pursuant The information collection requirements in 10 GR Part 50 to Q50.55a(aX2Xii), which requires that proposed alter- have been cleared under OMB Clearance No. 3150 0011.

natives to the described requirements or portions thereof provide an acceptable level of quality and safety. B. DISCUSSION General Design Criterion I, " Quality Standards and The ASME Boiler and Pressure Vessel Committee Records," of Appendix A, " General Design Qiteria for publishes a document entitled " Code Cases."8 Generally, Nuclear Power Plants," to 10CFRPart50 requires,inpart, the individual Code Cases that make up this document that structures, system's, ano components haportant to explain the intent of Code rules or provide for alter-safety be designed, fabricated, erected, and tested to qual- native requirements under special circumstances.

ity standards commensurate with the hnportance of the safety function to be performed.Where generally recognized Most @de Cases are eventually superseded by revision to i codes and standards are used, Criterion I requires that they the @de and then are annulled by suion of the ASME Quncil.

I be identified and evaluated to determine their applicability, In such cases, the intent of the annulled Code Ose becomet part adequacy, and sufficiency and be supplemented or modified c( the revisa! Gde, and therefore continued use of the Ode as necessary to ensure a quality product in keeping with the Ose intent is sanctioned under the rules of the @de. In other required safety function. cases, t he Gde Ose is annulled because it is no longer. accept-

• able or there is no further requirement forit. A@de One that Criterba 30,"QualityofReactor@olantPressareBound- was approved for a particular situation and not for a generic ary," of the same appendid recuires,in part, that compo- apWication should be used only far construction of the approved nents that are part of the reactor coolant pressure boundary situation because annulment of each a @de Qae mund ress!!in be designed, fabricated, erected, a'id tested to the highest construction that would not meet Code requirements.

~

quality standards practical.

The Code . Cases listed in this guide are limited to those Appendix B,

• Quality Assurance Criteria for Nuclear cases applicable to Section 111 that are oriented toward a Power Plants and Fuel Reprocessing Plants," to 10 CFR design and fabrication.

t7 ct l

O as. cet' Em Y.ed ars, Easta a g' me All published Code Cases in the area of design and gg serwe, New .t, New Y k 10017.

$ 7 fabrication that are applicable to Section I!! of the Code en USNRC REGut.ATORY GulOCS The guld 1s.ued in t f.st. wing t.n Ip. d divist.ns E "'M'"M."l'".an** 1: MT4 i ,

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• l and were in effect on May 20, 1985, were reviewed for . 1745 03-01 76 Stress Indices for Structural Attach-inclusion in this guide. In addition to the listing of (N 122) 01 08 79 mmts, Class t, Section ID. Division I acceptable Code Cases, this revision of the guide includes 012142 listings of (I) Code Cases that were identified as accept. 01 21-85 able in a prior version of this regulatory guide and that 1797 03-23 77 Finned Tubing for Construction, were annulled after the original issuance of this guide (N 160) 031740 Section 111, Division I 1

(June 1974) and (2) Code Cases that were identified as 09 07-82 acceptable in a prior version of this regulatory guide -

and that were superseded by revised Code Cases after (2) Code Cases applicable to valve design:

the original issuance of this guide (June 1974). Code Cases that are not listed herein are either not endorsed N 133 2 05 19-85 Use of SB 148 AUoys 952 and 954 I J or will require supplementary provisions on an individual Section III, Division I, Class 3 basis to attain endorsement status. N 282 051540, Nameplates for Valves, Sectionlli, 052543 Division I, Class I,2,and 3 Con-The endorsement of a Code Case by this guide struction constitutes acceptance of its technical position for N 313 05 1141 Alternate Rules for Half Coupling applications not precluded by regulatory or other require- 112843 Branch Connections, Section Ill, ments or by the recommendations in this or other Division I i

regulatory guides. Contingent endorsement is indicated N-394 022044 Restricting Lift to Achieve Reduced in regulatory position C.I.c for specific cases. However, Relieving Capacities of Full Lift, it is the responsibility of the user to make certain that Norrie Type, and Flat Seated i no regulatory requirements are violated and that there Safety and Safety Relief Valves

!* are no conflicts with other recommended limitations for Compressible Fluid Applica-j resulting from Code Case usage. tions, .Section Ill, Division I, Classes 2 and 3 Acceptance or endorsement by the NRC staff applies N-410 120544 Certified Relieving Capacities of only to those Code Cases or Code Case revisions with Pressure Relief Valves Having Set the date of " Council Approval" as shown in the regu- Pressure of 3 psig up to but Not letory position of this guide. Earlier or later revisions of Including 15 psis Installed for Over-a Code Case are not endorsed by this guide. New Code pressure Protection of Compressible g i Cases will require evahastion by the NRC staff to Fluid Systems, Section Ill, Divi-1 determine if they qualify for inclusion in the approved sion 1, Classes 2 and 3 (

list Because of the continuing change in the status of I

Code Cases, at is planned that this guide will require (3) Other Code Cases related to design:

periodic updating to accommodate new Code Cases and any revisions of existing Code Cases. 1630-1 1218418 External Pressare Charts for High (N 661) 120544 Yield Strength Carbon Steels and l '

C. REGULATORY POSITION Low Alloy Steels. (Yield Strength above 38 Ksi to 60 Kslinclusive.)

i. I, The Section III ASME Code Casess listed below Section !!!, Division I, Class I, 2, (by number, date of Council approval, and title) are 3, and MC .

acceptable to' the NRC staff for application la the con- 1739-4 02 2044s Pump Internal Items, Section Ill, struction of components for light water cooled nuclear (N.Il9 41 Division I, Class I, 2, and 3 , ,

pow *r plaats. Their use id : . M withis the limitations N 1961 01 08 79 Exoseption from the Shakedown stated in the " Inquiry" and " Reply" sections of each 012142 Requirements When Plastic Analy-individual Code Case, within the limitations of such 012145 sis is hrformed for SectionIII Divi- l NRC or other requirements as may exist, and wkhin the

• sion!, Claal and CS Construction additional limitations recommended by the NRC staff N 243 08 30 79 Boundaries Within t'a= tinge Used for given with the individual Code Case in the listias. The 071642 Chre Sapport Structures, Section ID, categorisation of Code Cases used in this guide is 051945 Division I, Class CS l intended to faciutate the Code Case listing and is not N247 07 09 79 Osttified Design Itaport summary for intended to ladicate a linketion on ks usage. 012142 Congenus Slendant agparts, Sec-012145 tion Ill, Division I, Class I,2,3 l

a. Designoriented Code Cases (Code Cass number a and MC date of Council approval,3 and title):

41he Code Case wee annuMod on July be, I et (ASME mande.

(1) Code Cases applicable to piping deelsn: to,y esaus.est mete). 34 wee reenstated en o her it, assa.

Because of the etresmotences and because there were ne chanses

• en the Code Caos, the NRC eenseders that thle Case wee in

!Jnes indieste substantive ebenges from Revtalen 23. effect dettes the period of 7 le sl etwoush Is.11 sl.

A numedcol het&ns of the Code Casse oppears la the appendis. $The Code Ceee wee annused on December 1,1983 (ASME bhen mere then ene date le siven, the eeruer date le that mondetery annulment dete). It wee reinosated en February 30, en wluch the Code Case wee approved by the ASME Council lea 4. Secomes of the circumsteness and becemos there were no fee d6 t E Ceu ett u t of 8 8 3 SIWous -

1.84 2

N-309 09 1744' identification of Materials for Com. N-412 04 15-85 Alternative Rules for Witnessing ponent Supports, Section Ill. Divi- the Piping System Pressure Tests

( N 319 sion I 071341 Alternate Procedure for Evaluation 071344 of Stresses in Butt Weld Elbows in N 420 of Classes I, 2, and 3 Piping Systems,Section III, Division 1 02 14-85 IJnear Energy Absorbing Supports Class I Piping,Section III, Divi- for Subsection NF, Classes I, 2, sion I , and 3 Construction,Section III, N-341 06 17-82 Certification of Level I!! NDE ? Division 1 05 19-85 Examiner,Section III, Isivision I and 2 Code Case N-420 is acceptable subject to the fol-N-397 02 20-84 Alternative Rules to the Spectral lowing conditions in addition to those conditions Broadening Procedures of N-1226 3 specified in the Code Case Each applicant desiring to for Classes I, 2, and 3 Piping use the Code Case should provide the following i Section Ill, Division I information prior to implementing the Case: (1) indica-  !

tion of systems in which energy-absorbing supports are Code Case N 397 is acceptable subject to the follow- to be used, (2) fatigue design, (3) piping system anal-ing condition in addition to those conditions speci- ysis results considering inelastic behavior of supports, fied in the Code Case. The Code Case is acceptable and (4) plans for inservice examination of energy for specific plant applications on a case by-case basis absorbers.

pending revision of Regulatory Guide 1.122, "Devel-opment of Floor Deugn Response Spectra for Seismic b. Fabrication-oriented Code Cases: '

Design of Floor Supported Equipment or Components."

' (1) Code Cases related to welding and brazing:

N-411 09-1744 Alternative Damping Values for -

Seismic Analysis of Classes 1, 2, N 551 04-05-84 Inertia and Continuous Drive Fric-and 3 Piping Sections,Section III, tion Welding. Section 111, Divi.

Division I sfon !

1791 03 17407Projection Resistance Welding of Code Case N-411 is acceptable subject to the fol- (N 154) 09-09-82 Valve Seats, Section 111, Division I, lowing conditions in addition to those conditions Class I,2 and 3 Valves C) apecified in the Code Case: (1) The damping values specified may be used in analyzing piping response for seismic and other dynamic loads being filtered N-2171 01-07-80 Postweld Heat Treatment of Weld 09-0742 Deposit Cladding on Classes I, 2,3, 120544 MC, and CS Itans,Section III, Divi-through building structures provided response mode alon I frequencies are limited to 33 Hz and below Within N 229 01 08-79 Alternate Rules for Fabrication this ranse, the Code Case damping should be used 01 2142 Welding SB148 Alloy CDA 954 for completely and consistently, if used at' all (For equip- 012145 Section III, Division I, Class 3 ment other than piping, the damping values specified Construction in Regulatory Guide 1.61, " Damping Values for N 233 01 08 79 Alternate Rules for PWHT of P-No.

. Seismic Design of Nuclear Power

• Plants," should be 012142 6, Group 4 Material for Section lli, used.) (2) The damping values specified,anay be used 09 1784 Division!, Class!,2, or 3 Construe- l only in those analyses in whi,,, gosses tion geestGeed chWebeu88 N-260 01 0740 Weld Repair of SA 182 Type 316 -

Esalted entfto~ ~ ^ ' tractral sinalyses (pi==ller to 052543 Forgings,Section III, Division I, that used in the study supportlagits acceptanes Refer- Classes 1, 2, 3, and MC ence NUREG/CR 3526). The acceptance of the use with N-2C 01-0740 Electric Resistance Spot Welding other types of dynamic analyses (e.g., time history anal. 09-0742 for Structural Use in Component ysis) is pending further justification. (3) When used Supports,Section III, Division i for reconciliation work or for support optiadsstion of N271 03 1740 Sirnplified Method for Analyzing existing designs, the effects of lacasesed anotion on Flat Face Flanges with Metal to esisting clearances and on line snounted equipment Metal Contact Outside the Bolt should be cheded. (4) This Code Case is not appro- Circle for Section 15, Class 2,3, and priate for analysias the dynamic response of piping MC Construction systems using supporta designed to dissipate energy N-276 03 1740 Welding of SA458 Pipe, Section Ill, by yielding (Le., the design of which is covered by 02 1443 Division I Code Case N-420). (5) This Code Case is not appli- N-304-2 05 19-85 Use of SB-676 20Cr-25N64Mo (Alby cable to piping in which strees corrosion cracking has UNS N08366) Welded Tubes, Sec.

occurred unless a casespeciGe evaluation is made and tion til. Division I, Classes 2 and 3 i is reviewed by the NRC staff.

'The Code Case was ennuted on May 8 8,1984 (ASME seanda. 7 the Onde Once was ennuued on January 14,1980 (ASME manda.

g sery enauhneet date). It was essestated en Septeenbar 47. 89a4- sery emmulment date). It wee veinetsted on March 87,1980. Because la Case MR considere this Case was in erf a NRY re het thy $was in eYi et du n duetee saw pested et s s 44 threesh 9 87 64. she perted of 8.le-a0 through 3 87 40.

I.84-3

N 315 021443 Repair of Beuows,Section III, N-413 02 14-85 Minimum Size of FiUet WelJs e Division I for Subsection NF 1inear Type

• Code' Case N 315 is acceptable subject to the following conditions in addition to those conditions specified in (2) Other Code Cases related to fabrication:

the Code Case: Prior to implementation of the Code Case, the applicant should present a description of the N 235 05 15 78 Integrauy Finned Titanium Tubes, repair and a justification why the bellows should be,

• Section DI, Division i, Class 3 Con-repaired rather than replaced. Following receipt of struction approval for the repair, but prior to making the repair, N 237-2 05-25-83 Hydrostatic Testing of Internal the applicant should present the results of the quali- Piping, Section 111 Division I, fication on the full-scale facsimile bellows, including Classes 2 and 3 the design requirements, to ensure that the repair N-240 03-19 79 Hydrostatic Testing of Open Ended meets the requirements of the design specification- 01 21-82 Piping, Section Ill, Division 1 09-17-84 N 316 12 !! 81 Alternate Rules for Fiuct Weld N-241 l 07-09-79 Hydrostatic Testing of Piping, Sec-l 09-1744 Dimensions for Socket Welded 012182 tion III, Division 1 Fittings,Section III, Division 1, 091744 l Class I, 2, and 3 N-362 2 07 12-84 Pressure Testing of Containment N 328 12-1141 Thermit Brazing or Welding of Items, Section !!!, Division I, 09-1744 Nonstructural Attachments, Sec. Classes I, 2, and MC l tion Ill, Division 1 N 368 070643 Pressure Testma of Pump Discharge, N 3451 12-1342 Attachment of AMS $382 Alloy 31 Section !!!, Division I, Classes 2 Seat Rings by , Friction Welding, -

and 3 Section III, Divirion 1, dasses I, .  ;

2, and 3 Code Case N-368 is acceptable subject to the fouow-N 346 06 1742 Explosive Welding, Section Ill, ing condition in addition to those conditions speci.

l 051945

• Division I fied in the Code Case: Applicants using this Code N-347 121342 Omtinuous Electric Rasassance Seam Case should provide information to demonstrate that Welding of F-No. 8 Materials for the length of discharge piping is reasonably short.

Component Supports,Section III, Division 1 N 369 021443 Resistance Welding of Bellows, N 357 121342 Certification of Material for O>mpo- Section Ill, Division 1 l 05 1945 ment Supports, Section 111, Divi- N 376 05-2543 Pressure Testing of Embedded sion 1, Subsection NF Class 2 and 3 Piping, Section 111, N-383 10054.1 Weld Repair of SA 182 Austenitic Division 1 Forgings,Section III, Division I, N-421 021445 Brazing Using a Radiant Energy Classes 1, 2,'and 3 05-1945 Source,Section III, Division I Code Case N 383 is acceptable subject to the following c. Code Cases with contingent approval:

condition in addition to those conditions specified in the Code Case: Applicants who apply the provisions  !$40 2 01 14-77 Elastomer Diaphragm Valves, S,ec-of this Case to permit storial ananufacturers to weld (N 31) 01 0740 tion Ill, Class 2 and 3 repair sustenitic to without re sohstion heat 021443 treatment should provide justification to the NRC staff (via the Safety Analysis Report) why this is acceptable Code Case,1540 2 (N-31) is acceptable subject to the for thstr applications, laciuding their evaluation of the following conditions la addition to those conditions susceptibuity for stress corrosion cracking. specified in the Code Case: Each applicant who applica the Code Case should Indicate in the refer.

N 398 112843 Procedure for Evahastion of the encing Safety Analysis Report that the service life of Design of Hollow Circular Cross the elastomer diaphragm should not exceed the Section Welded Attaduments on manufacturer's recommended service life This recom-Gass l Piping, Section !H, Division i mended service life should not exceed 1/3 of the N-392 182843 Procedure for Evaluation of the minimum cycle life as established by the require.

Design of Hollow Circular Cross ments of paragraph 3 of the Code Case, in addition, Section Welded Attachments on the service life of the elastomer diaphrssm should Classes 2 and 3 Piping, Section DI, not exceed 5 years, and the combined service and Division I storage life of the elastomer diaphragm should not N 393 ll 23-83 Repair Welding Structursi Steel exceed 10 years.

Roued Shapes and Plates for Com-ponent Supports, Section !!!, Divi- 1621 2 05 25 77 Internal and Enternal ValveIkas, aion I (N 62 2) 05 1540 Section 10, Division I, Class I, 2 1.844

J 4 .

0$-2543 and 3 IJne Valves Code Case N-292 is acceptable subject to the following 1

conditions in addition to those conditions specified in

{(g

• OHie Case 1621-2 (N42-2)is acceptable subject to the the Code Case: Class 3 piping that is longitudinally fouowing condition in addition to those conditions welded and that has a weld efficiency factor of 1.0 as

.I specified in the Code Case: The Code requires that selected from Table ND3613.4-1 should receive a 100

! Class I and Class 2 valve manufacturers meet the , percent volumetric examination (RT or UI') of the provisions of NCA 4000, " Quality Assurance," and,? deposited weld metal in accordance with the require-a in addition, Class 3 valve manufacturers should also ments of ND 5000.

j meet the provisions of NCA 4000.

N-318 2 07 12 84 Procedure for Evaluation of the 1720-2 11-20 78 Weld End Psupantion for Sectionlu, Design of Rectangular Cross Sec.

0s2841 Division 1 Construction tion Attachments on Class 2 or 3 l Piping.Section III, Division I i

l (N 106-2) 09-1744 Code Case 17202 (N 106-2) is acceptable subject to Code Case N 318 2 is acceptable subject to the fol-the fouowing condition in addition to those condi- lowing conditions in addition to those conditions tions specified in the Code Case: The acceptance of specified in the Code Case. Applicants should identify 4 weld end preparations other than those shown in in their Safety Analysis Report: (1) the method of lug Figures I, 2, and 3 of the Code Case should be attachment, (2) the piping system involved, and (3) the l location in the system where the Case is to be applied.

j evaluated'on a case by case basis.

1792 2 01-08-79 Fiberglass Reinforced 'Ibermoestting N 350 12 07-82 Pbstweld Heat Treatment-Thickness j

Rosin Pipe, Section Ill, Divissori I of Material, Section 111, Divi-sion 1 l (N 155C14145 2) 012142

{

Code Case 1792 2 (N 155 2) is acceptable subject to Code Case N-350 is acceptable subject to the fouow-the follcwing condition in addition to thoes condi- ing conditioe in addition to those conditions speci- '

i tions specified in the Code Case: The applicant should fied in the Code Case: Applicants wishing to use comply with the additional requirements that are this Case for other than F 1 materials should demon-specified in Regulatory Guide 1.72, " Spray Fond strate that the use of this Case will not adversely J )

I Piping Made from Fibersiese Reinforced Thermoestting affect the required material properties.

I Resta."

1. 2. Code Cases that wm endorsed by the NRCin a prior i

091641 Use ofBraidedFlealble Connectors, version of this guide and were later annulled by action of N 192-2 09 1744 Section Ill, Division 1, Class 2 and 3 the ASME Coundt should be considend as deleted from the l l , list of acceptable Code Cases as of the date of the ASME Code Case N 192-2 is acceptable suldoet to the fonowing Councu action that approved the annulment. Such Code conditions in addition to those conditions specified in Cases, which were annuued on or after July 1, 'IM4, are l listed below by number, effective dates,a and title. .

the Code Case: The applicant should indicate system application, design and operating pressure, and pressure-i temperatues rating of the Gentle boss. Data to demon- 1361 2 0349-72 Socket Welds, Section !!!

!

• 034179

! strate ooesplianos of thd finallde hoes with NC/ND 3649,

! partioniarly M3ND 3649.4(e), an seguised to be farnished Code One 13612 was acceptable when used in connection l

with the appliostion.

i

. with Section Ill, paragraph.NS-3356, Flust Welds.

N 284 08 2540 Metal Containment Shou Budling l 14d1 18 ' 034972 Electron Beam Welding,-Section I, 052543 Design Methods, Sectionllt Divi-sion I, CIsse MC 02 16 77 III, and VIII, Division I and 2 i

1470 2 88 12 18 72 Enternal Prosesse Charts for High-Code Case N 284 is acomptable satiset to the fouow- 11 04 74 Stasagth Casboa Steels and for '

ing condition la addition to those eoaditione speci-fled in the Code Case: Prior to implesmentation of demo.strue io a case was e, sees .,4.s.: co en a

• Code Case, m e,,hoeni r. 4..e c g $ g Q T g g *c,*,",$ 0

. C l

the satisfaction of the NRC stNf (v's Safety Analysis Report) that say asisyman.tric techniques that are

1. g d"The% mesdie dose ter desee) was one dose et seernnneuen 3 *f 8"' C*** C"

prwooed wul be' applicaMe to a vessel having large j

asymmetric openings se.d that the overau margin used ** cesse syg ss g ,andigs,e uejneg to prevent shell buck.iing is acceptable, pree, se jaar 3,1974.

88 Cede cess 14415 l tested as e Session ill Code N 292 01 M 41 Depositing Weld Metal Prior to cess and as ensreten ddesee sma e sesepeeste no unans-

• 112843 Prepasing Ende for Welding, Seo- s:The enessment et code case 34to: was arteesene tion lit, Division I, Ones I, 2 C****8 *Pg"*,8,j,,C,,',88 ,C,',"d*88,,,,,%* $y$

i .'

and 3 C euen c;*', . e. .. .. i.,e co I.8< s

l- ..

• Low-Alloy Steels, Section Vill, Division I and 2, and Section Ill the Code. It was, therefore, acceptable but unnecessary to include in the Code Case-

• 1471 1 0349-72 Vacuum Election Beem Welding of gl 01 01 78 Tube Sheet Joints, Secdon lit 15521 1

; 14771 08-29-77 Design by Analysis of Section Ill, 03-09 72 Use of 1970 Addenda of ANSI (N 351) 0701 79 Cass ! Valves

! ' 01 01 78 531.7, Secdon ll!

14941 , , .

1553 188 03 03 75 Upset Heading and Roll Thread-03 03-73 Weld Procedure Qualificadon Tedt,

+

014178 Section ill 01-01 76 ins of SA-453 for Bolting in Sec. 1506 12 13 71 Stress Intensification Factors, Sec-tion ll!

15551 01 01 78 tion III, Class 2 and 3 Piping 01 14 77 Certificaden of Safety Relief Valves, 1516-2 081175 Wdding of Seats or Minor Internal 01-01 78 Section lit, Division i 1569 03-03-75:4 Design of Piping for Pressure Relief (N 24) 0701 78 Permanent Attachments in Valves 07-01 79 Valve Ststion, Section ill for Section111 Applications 1516-2 11 20-78t2 Miding of Seats or Minor Internal (N 24) Code Case 1569 was acceptable subject to compliance 014180 Permanent Attachments in Valves for Section Ill Applicadons with the recommendations contained in Regulatory i 153383 06 14-72 Pressure Temperature Ratings of Guide 1.67, " Installation of Overpressure Protection Devices."

07-01 75 SA J51 Grades CF8A, CF3, and ,

I CF3M, Section 11! .

1535 2 1573 04-30 73 Vacuum Relief Valves,Section III  ;

04-30 73 Hydrostade Testing of Section Ill, 01-0178 '

03 21 77 Class ! Valves 1574 04-30 73 Hydrostatic Test Pressure for Safety 1536 08 14 72 Qoug Seam for Electrical Penetra-12 31 74 Relief Valves, Section 111 07-01 77 tiors for Section 111, Cass 2,3, and 1580-1 MC' 11-05 73 BustweWed Ahanment Tolerance and 15391 01 01 78 Acceptable Sapes for Concentric 11 21 77 Mt.tal Bellows and Metal Diaphragm Centerlines for Section lit, Cass 1, i

(N 301) 010141, Stem Sealed Valves, Section 111, 2, and 3 Construction ,

Division I, Casses I, 2, and 3 1581  !

I 1541 3 06 25-73 Power Operated Pressure Relief 0s 15 78 Hydrostatic Testing of Embedded 034179 Valves, Section 111 (N 32 3) 07 01 79 Cass 2 and Class 3 Piping for Sec- 1588 i 08 13 73 ElectroEtching of Section !!! Code tian lit, Division i Construction (N-46) 03 19 79 Symbols N-32-4 03 1641 Hydrostatic Testing of Embedded 031942 '

! 03 1644 Class 2 and 3 Piping forSection III, 1601 Division I Construction Il 05 73 Limits of Reinforcement for Two-07 01 74 Thirds Area, Section !!!, Cass 1 l 16061 12 16 74 Stress Criteria Section lit, Casses 2 -

Code Case N-32-4 was acceptable subject to the fol-lowing conditions in addidon to those conditions 074177 asul 3 Piping Subject so Upset,Emer-specified in the Code Case: sency, and Faulted Operating Con-ditions

l, The acceptance was based on the following clarifi-cation and interpretation. Code Case N 32 4 does Code Case 16061 was acceptable subiect l to the laterpretation that the stress limit designations of not replace paragraph NC/ND 6129, " Provisions for Embedded or f==aa n.a= WeMed 3oints in Piping," "Upest," " Emergency," and "Faultad" do not no:es-serny inoply agreement with specified plant conditions of the Code. The latent of the Code Case is to (1) pro-vide additional testing above Code sequisement and appucable to ASME Code Class 2 and 3 components for fhald . systems. These designations should be (2) permit Equid penetrant er snagnetic partinis testing established end justified in the deelen specifications.

In place of radiographic testing for Oss 3 piping with

.3/8" nominal well thickness or less. 16071 11 04-74 Stress Criteria for Secdon III, 0741 77 Qasses 2.and 3 Vessels Designed

. Paragraph (1) oontains an =Mi*la==t segelsessent to the Code, it was, therefore, aseeptable bus unneces.

to NC/ND 3300 Bacauding the NC3200 Alternate aasy to laadude in the Code Case. Paragraph (2) is i

a variation in the volumetric esamination technique Code Case 1607 ! was asseptable sutdect to the i

and was seseptable as written. Peregraph (3) contains interpretation that the stress limit designations of an addidonal requirement and is not a solemation of " Upset," " Emergency," and " Faulted" do not neces-sarily imply agreement with specified plant conditions is C applicable to ASME Code Class 2 and 3 components AsstE Yeo Yn o. Y 'NY4 ."es e" eye @eb.*TE do Id.7, for fluid systems. These designadons should be l NeeDNeU

• es severed Nes h she code e n'eadNnN.Yh.Imeestablished cE. faseand justified in the design specifications.

vessem eneverere, Ama: roserewd isw C"ee.

m , *,"e e ome **

, Case wes,8deas, a7n gti eYearts.,saw 744a sneeman in seas-n'*j pD'., 1614 12 17 7388 Hydrostatic Testing of Piping Prior 8kede c- 014179 To or Following the lastallation of I seest mes iges%slanced he fleveneen s3 es sids seide.was amnesed 88 en does as hidienced, tus me aeses.

Cervested dete-i .

1.844

o Spray Norries for Section 111, for Section ill, Cass I,2,3 and MC Classes I,2, and 3 Piping Systems Construction (1 04-74 Pressure Temperature Ratings for

(,(l*620 N-61) 03 02 74 Strees Category for Partial Penetra-01 08 79 tion Welded Penetrations, Section 1665 (N 81) 07-01 78 Class ! Valves Made from 5 Cr 1/2 01 08-82 Ill, Class I Construction Mo, Section 111 1623 03-02 74 Design by Analysis for Section HI, 1672 I l-04-74 Nuclear Valves for Section 111, Divi-03 01 79 Class I Sleeve-Coupled and Other; 03-21 77 sion I, Class I, 2, 3 Construction Patented Piping Joints 1675 12-16-74 Tubesheet to Shell or Formed llead 16301 07 10-78 External Pressure Charts for High 07-01 76 Weld Joints, Section lit, Class I l (N-66-1) 07 10-81 Yield Strength Carbon Steels and Vessels Low Alloy Steels. (Yield Strength 1676 83 12 16-74 Clarification of Stress Intensities in above 38 Ksi to 60 Kaiinclusive.) 07-01 76 Curved Pipe or Welded Elbows, For Section Ill, Class 1, 2,3, ed MC Section ill 1633 04-29 74 Brazing of Seats to Class I,2, and 3 1677 12 16-74 Clarification of Flange Dmian Loads, 01 01 78 Valve Body or Bonnets, SectionIII (N-82) 03-01 79 Section Ill, Oass I,2, and 3 1635-1as 08 12 74 Stress Qiseria for Section II, Oass 2 1678 12 16-74 Butterfly Valves of Circular Cross 07 01 77 and 3 Valves Subjected to Upset, 0118-79 Section Larger than 24 in NPS for Emergency, and Faulted Operating 01 01-90 Section III, Cass 2 and 3 Construc-Conditions tion 168111 e 03-03 75 Organizations Accepting Overall Code Case 16351 was acceptable subject to the interpre- (N-84) 03-01 79 Responsibility for Section !!! Con-tation that the stress limit des,anations of " Upset." struction

" Emergency," and " Faulted" do not necessarily imply 1683-1 03 01 76 Bolt Holes for Section!!!, Class I,

! agreement with specified plant ocnditions applicable 07-01 76 2,3 and MC Component Supports to ASME Code Class 2 and 3 components for fluid 1685 04 28 75 Fwnace Benzig Section!!!, Class 1, systems. These designations should be established and 01 01 78 2,3 and MC Construction 3

i justified in the design specifications. 1686 03-03 75 Furnace Brazing, Section til, Sub-01 01 78 section NF, Component Supports 1636-11 s 08 12 74 Stress Otteris for Sectionlli, Class 2 16891 09 10 76 Alternate PWHT Time and Tem-07 01 77 and 3 Pumps Subjected to Upset, 01 01 78 perature for SA 182 Grade F-22, (1

g Emergency, and Faulted Operating SA 387 Grade 22, Class 2, and Conditiona SA 335 Grade P-22 Section III, Class I, 2, 3 and CS Code Case 16361 was acceptable subject to the inter-pretation that the etnas limit desagnations of" Upset," Code Case 16891 was acceptable subject to the follow-

• " Emergency " and " Faulted" do not necessarily imply las condition in addition to that specified in the Code agreement with spadriant plant ' conditions applicable Case: The al'ernate postweld heat treatment should to ASME Code Class 2 and 3 components for Guid bc prequalified along with the applicable welding systeena. These designations should be an.a a and procedure in accordance with ASME Section IX.

justified in the design specifications.

1692 04 28-75 Rules for Design of Welded Qass i j

1651 08 12 74 Intprisa Requirements for Certifica- (N-90) 07 01 78 Pumps 03 01 79 tion of Component Supports, Seo- 16951 11 03-75 3 razing, Section Ill, Division ,I, tionIII, Subsection NF 01 0178 Class 3 1657  !! 04 74 Stress Criteria for Oss:2 and 3 1700 11 03-75 Determination of Capacities of 07 01 77 Atmospheric and Ime Pressure (N 94) 03 19 79 Liquid Relief Valves,Section III, (015 pois) Steel Storage Tanks 0319-42 Division 1, Class I, 2, and 3 1659 11 04-74 Inkroonnection of Two Piping 1701 2 07-09 79 Determination of Capacities of 07 01 77 Systems for Section !!I, Qass I,2, (N 95-2) 0709-42 Vacuum Relief Valves, Section !!I, l Division I, Classes 2,3, and MC and and 3 Construction 1660 11 04-74 Overpsessure riotection under Emer- Division 2 Concrete Containments

. (N 77) 03 01 79 gency Operating Coeditions for 17021 071177 Flanged Yalves Larser than 24 I SectionIII, Class 1 (N-961) 01 01-80 inches for Section lit, Division I, 1661 11-04 74 Postweld Heat Treatiment P No. I Class I, 2 and 3 Construction 01 01 78 Meterials for Section Ill, Oass i 1703 06 30 75 Brasang of Copper Alloys Sectionlli, Vessels ,

01-01 78 Class 2 1 1662 11 04-74 Shop Assembly of Components, Ap- 1706 06 30-75 Data Report Forms for Component 1 010178 purtenances ed Piging Massemblies 12 31 75 Supports, Section lit, Class I, 2 t

and 3 J c.E 8 er connes en at le-te and l,,,, . to and N,s

,,.4eggej ,

".enes' n AusesE, - se. $.Ni, me..er m' cede - case asa was,t,,,p ,ge m , c,,,c, = i,, g 1.84 7

A 1711 114375 Presure Relief Valve Design Rules, 1733

• 11 03-75 Eveluntion of Safe Shut Down Earth-(N 100) 0148 79 Section lit, Division I, Cass I, 2 (N II5) 01-01 78 quake loadings for Section Ill.

011142 and 3 Division I, Cass MC Containment 01 01 83 Vessels 1734 11 03 75 Weld Design for Use for Section lit, Code Case 1711 was acceptable subject to the fouowing (N II6) 01 01 78 (Mvision I, Class I,2,3 and MC Con-conditions in addition to those conditions specified in

• struction of Component Supports the Code Case. The foHowing information should be provided in the Safety Analysis Report: Code Case 1734 was acceptable subject to the follow-ing conditions in addition to those conditions specified (1) If stress limits are used in excess of those specified in the Code Case: If the configuration of Figure 1 of the for the upset operating condition, it should be Code Case is used for Class 1 and MC component demonstrated how the pressure relief function is supports, fuu penetration welds should be used. The ensured. Refer to paragraph 3.1,Section I, of the application of the configuration shown in Figures 2 Case for Cass I and paragraph 3.2,Section II, of and 3 should be restricted to the welding of cans for the Case for Oass 2 and 3 pressum setief valves.

spring encapsulation in spring hangers. In Figure 3, the length of the leg of the fluet weld adjacent to (2) If Case 1660 is to be used in cosquaction with this the plate should be equal to the thickness of the Case, it should be stated that the stress limits exposed end of the plate; also, the leg of the fillet of Case 1660 supersede those of paragraph weld adjacent to the sheu should be equal to the 3.2(b),Section I, of Case 1711. Functional thickness of the exposed.end of the shell.

, assurance of (1) above is required in au situations. .

1712 08 11 75 Nameplates and Stamping for See- 1739-4 11 17 80 Pump Internal items, Sec.

(N 101) 03-01 79 tion lit, Division 1, Oass 1, 2, 3 (N 119-4) 12-01 83 tion 111, Division I, C ' lass I, and MC Construction as Referenced 2, and 3 in NA4300 1744 03-01 76 Carbon Steel Pipe Flanges Larger 171883 08 !!75 Design of $tructural oimmections for (N 121) 03 01 79 than 241n., Sectionlil, DivWn 1, 074176 Linear Type Component Supports, Class 2 and 3 Construction Section II, Division 1 Oass I,2 and 1765 04 26-76 Machining After Hydrostatic Testing 3 and M C 07-01 77 Class 2 and 3 Construction, Section 171982 08!!75 SingleWolded, PialbPenetration Side- Ill, Division 1 07-01 76 wau tutt Joints in Atmospheric 1768 06 29 76 Permanent Attachments to Contain-Storage Tanks,Section III, Divi. 01 01 78 ment Vesseb-Oess MC,Section III, sion 1. Cass 2 Division 1 1726  !! 03 75 Refinement of Low Alloy Steel 17691 02 I6-77 Qualification of NDE Leveill! Per-(N 109) 03 01 79 Heat Affected Zone Under Overlay 10 01 77 sonnel, Section 111, Division !

Cadding, Section lit, Division I, 17741 07 11 77 Mininnus Wsil Thickness for Class 2

' Cass ! Components (N 1421) 01-0140 and 3 Valves,Section III, Division !

1727 12 22 75 Alternate Test Fluide,Section III, 1775 08 13-76 Data Report Forms for Core Sup-(N 110) 014179 Division 1 08-13-79 port Sensetuses, dass C3, Section JII, Division ! '

Code Case 1727 was alcceptable outdoct to the follow- 17801 07 10 7484 Hydrostatic Testing and Stamping ing condition in addition to those M8*8=== speciSed (N 346-1) 121141 of Components, Section Ill, Divi-in the Code Case: The applicant eauld psevidejustiSca- 01,0142 s&on I Construction tion in the refesencias Safety Analysis Report for the fluid selected for use in the pressuse test. The informa-tion provided should demonstrate that the Suid selected Onde Case 17801 was acceptable subject to the fouow-wiu not have deleterious effects on the metodel of the las conditions in addition to thoes conditions specified peessuse boundary and that the field may be safely in the Code Chee: On a generic basis, the application of used at the specified temperature and psumuse of the the Code Case is limited to pumps and valves. Applica-test. When the Suid selected for use is the operating tion to other components abould be treated on a case-fluid, additional information is not requhed. bycase basis. Each licensing application in which the Code Case is to be used should contain Information 1729 11 03 75 Minimum Edge Distanse Solting showing that, as a minianum, the closure fixture win (N ill) 03 01 79 for Section lit, Division I, Oassi, impose loads that result in stresses aquel to or greater 2, and 3 and MC Construction of than those Induced during the hydrostatic test of a Component Supports complete pump assembly. A closure fixture for the 1732 11 03 75 Hardeurfaced Yalves with inlet part being tested that is simust in size and shape to (Nl14) 014179 Connections less than 2-in. Nominal the actual mating part is considered adequate to impose Pipe Sise for Sectionill, Division I these loeds. It is not intended that piping reaction Class I and 2 Construction loadings be simuisted in the hydrostatic testing.

1.844

, 1783 1 01 14-77 Qualification of Nondestructive Code Case N 199 was acceptable subject to the folhwing g , 01-01 79 Examination Personnel, Section !!!, condition in addition to those conditions specified in i

Division I the Code Case: The applicant should provide informa-tion in the referencing Safety Analysis Report that Code Case 1783-1 was acceptable subject to the demonstrates that all intervening elements have been following condition in addition to those conditions , designed in compliance with the requirements of the specified in the Code Case: The first sentence of i respective design specification.

paragraph (1) should be replaced with the following:

"The certification of the i.evel III nondestructive 1693 03-20 78 Welding Procedure Qualification of examination personnel for the purpose of this Section (N-212) 01 01-81 Dissimilar Metal Welds When "But-of the Code shall be the responsibility of the employer tering" with Alloy Weld Metal and of the Levelill individual. If the employer is not a Heat Treatment May Be involved,

, Certificate Holder, then the verification of such certifi- Section !!!, Division I, and cate is the responsibility of the Certificate Holder." Section IX N 214-2 05 25-83 Use of SA 351 Grade CN7M, for 1791 01 14-77 Projection Resistance Welding of 12 31-83 Valves,Section III, Division I (N154) 01 14-80 Valve Seats,Section III, Division I, N-220 08-28-78 Code Effective Date for Component Class I,2 and 3 Valves 07 13-81 Supports, Section 111, Division i 1796 01 14-77 Body Neck Thickness Determina- 07-13-84 (N 159) 07 01 78 tion for Valves with inlet Connee- N-226 11 20 78 Temporary Attachment of Thermo-tions 4-Inch Nominal Pipe Size and 010140 couples, Section !!!, Division 1 Smaller,Section III, Division I, Class I, 2 and 3 Component Con-Class 1, 2, and 3 struction 1808 02 I6-77 F-Number Classification of Low N 228 03 19 79 Alternate Rules for Sequence of 01 01 78 Alloy and Carbon Steel Bare Rod 03 19-82 Completion of Code Data Report Electrodes Sections I, II, Ill, IV, V. Forns and Stamping for Section lit, Vill, and IX Class I, 2, 3 and MC Construction 1812 03-23 77 Size of fillet Welds for Sodet Weld- N-238 05 14-79 High Temperature Furnace Brating (N 174) 01 0740 ing of Piping, Section HI, Division 1 01-01-82 of Seat Rings in Valve Bodies or

((

\ 1818 (N175) 01 0141 03 23-77 Welded Joints in Component 07-01 79 Standard Supports, Section Ill, Bonnets for Section III, Division I, Cass I, 2, and 3 Valves Division ! Code Case N-238 was acceptable subject to the follow-ing conditions in addition to those conditions specified Code Case 1818 was acceptable subject to the follow- in the Csde Case: The furnace brazing process proce-Ing enadition in addition to those conditions speci- dure quahfication should include a verification for lied in the Code Case: That portion of the unwelded nonsensitization as given in ASTM A 262-70, Practices housing that is limited to 90* maximum should A or E, or ASTM A 708-74 whenever materials subject include a minimum of two sectors that are uniform to sensitization are to be brued. Documentation is in length, required that a nonsensitizing brazing procedure was N 179 07 !! 77 Openings in Valves for SectionIII, 071140 Division 1, Class I, 2 and 3 Con- N-252 11 19 79 Low Energy Capacitive Discharge struction 0701-82 Welding Method for Temporary or N 182 07 11 77 Alternate Rules for Proceduse Qual-

• Permanent Attachments to Compo-070141 ification Base Material Orientation, ments and Supports, Section Ill, Section 111, Division 1 Qass 2 and Division I, and XI 3 Construction N 184 07!!77 Roll Threading of SA 453 Bolting Code Case N 252 was acceptable subject to the following 07 01 79 for Section 111, Division I, Cass 1, conditions in addition to those conditions specified in 2,3 or CS Construction the Code Case: The applicant should indicate in the N-189 08 29 77 Prisaary Membrane Plus Primary Safety Analysis Report the application, the material.

0701 79 Bending Stress Intensity Limus and the material thickness to which the strain sage or for Other Than Solid itectangular thermocouple will be attached by CD welding.

Sections for Section III, Division I, Class MC Construction -

N 261 05 15 80 Weld Procedure Qualification for

(

N 193 Il 2177 Use of $841 and SB42 Bronze for 12 13-82 Materials with Impact Require-11 2140 Section III, Division t, Clam 3 Flange ments for Section Ill, Division I,

.I and Socket Weld End Valves Class 3 Construction N 199 03 20 78 Intervening Elements, 8-etan III, N 263 031740 Alternate Thread Ibrms, Series and 01 0141 Division 1 Casses I,2,3 and MC 03 17 83 Fits for Component Supports, Sec.

Component Constavetion tion !!!, Division i 1.84 9

Code Case N 263 was acceptable subject to the fo!!owing

. length of thread engagement and (2) the procedure conJitions in addidon to those conditions specified in used to establish thread engagement.

the Code Case. The following information should be provided in the Safety Analysis Report: (1) a descrip. N 320 lion of the application, (2) a need for the use of the 07-13-81 Altemate PWifr for SA487, Grade 12-31 83 CA6NM, Section !!!, Division 1 Code Case, and (3) a demonstration that support design N 336 06 17-82 Examination of Welds Inaccessible will withstand maximum conditions of loading wijh -

06-30-83 During Pressure Test, Section 111, the worst combination of thread tolerance. Division 1 Class MC N 339 N 272 05-I5-80 Compiling Data Report Forms, 06-17-82 Examination of Ends of Fillet 09 17-84 Welds, Section !!!, Division I, 01-0142 Section ill, Division I Classes I, 2, and MC N 275 05 15-80 Repair of Welds,Section III, N 349 07-16-82 Pressure Testirs Piping Systems, Sec-12-07-82 Division I 12 31-85 tion III, Division 1, Casses 2 and 3 12-31-83 N-359 12 13-82 Weld Connection for Coaxial Cylin-12 3144 ders,Section III, Division 1 Oass I Code Case N 275 was acceptable subject to the following N-377 condition in addition to those conditions specified in the 04-04-83 Effedive Throat Thickness of Partial 12-31-83 Penetration Groove Welds, Section Code Case: Use of the Code Case is applicable only when ill, Division 1, Casses 1, 2, and 3 the removal of an indication requires that the full weld l thickness be removed and, in addition, the backside of

3. Code Cases that were endorsed by the NRC in a prior the weld assembly joint is not accessible for the removal version of this guide and were superseded by revised Code of examination material if an indication is removed Cases on or after July I,1974, should be considered as

, and weld-metal layers still remain, it is not acceptable not endorsed as of the date ,of the Council action that to souge through the wallin order to qualify for use of approved the revised version of the Code Cas,es. These the Code Case. Instead, examination of the cavity is Code Cases that are no longer endorsed are listed in the required when such an indication has been removed. following by number, effective dates,87 and title.

N-279 05 15-80 Use of Torquing as a Locking 1508 88 12 13-71 Allowable Stresses, Design Intensity 071341 Device for Section 111, Division 06-30 75 and/or Yield Strength Values, Sec-1 Cass I, 2, 3, and MC Compo-nent Supports tion I, I!!, and VllI, Divisions 1 and 2 g 1516-1 06-25 73 Welding of Seats in Valves for Sec- g 08 1175 tion Ill Applications Code Case N-279 was acceptable subject to the following 1539 11 06-72 Metal Bellows and Metal Diaphragm condition in addition to those conditions specified in (N-301) 11 21 77 Stem Sealed Valves, Section Ill, the Code Case: When torquing or other preloading is t'ta- 1, 2, and 3 used as a locking device and the joint is later unloaded 15401 03-03 73 Elastomer Diaphragm Valves, Sec-or disassembled, the botting should be replaced unless 01 14 77 tion 111 Casses 2 and 3 it can be demonstrated or proved to the authorized 1541 1 08 13 73 Hydrostatic Testing of Embedded nuclear inspector that the original botting has not 09-30 76 Cass 2 and Cass 3 Piping for Sec-been permanently strained, ~

tion III. Construction 15412 09 3076 Hydrostatic Testing of Embed.ded N-280 051540 Alternate Rules for Examination of -

05 15 78 Qass 2 and Qass 3 Piping for Sec-07 0141 Welds in Section IR, Qass 3 Storage tion 111, Division 1 Construction Tanks 1552 12 18-72 Design by Analysis of Section III, N-281 05 1540 Welding Operator Performance Qual- 05 29-77 Cass ! Valves 070141 ification,Section III, Division 1 1553 12 18-72 Upset Heading and Roll Threading N-300 11 1740 PressusTemperature Ratings, Hydro- 03-03-75 of SA-453 for Bolting,Section III 12-0143 static Tests, and Maalmum Wall 1555 12 18-72 Ortification of Safety Relief Valves Thickness of Valves,Section III, 01 14 77 on Liquids Division I, Cass 1 1606 11 05 73 Stress Criteria for Section 111, Qass N 302 03-1641 Tack Welding, Section 111, Divi- 12 16 74 2 and 3 Piping Subjected to Upset, 112843 alon 1. Construction Emergency, and Faulted Operating N309 05 1141 Idc ,tnation of Materials for Com- Conditions 05 Il44 ponent Supports, Section Ill, Divi-aion ! Code Case 1606 was acceptable subject to the inter.

N 314 0,51181_ Alternate Rules for Thread Engage- pretation that the stress limit designations of " Upset,"

05 11 84 ment,Section III, Division I Code Case N 314 was acceptable subject to the fol- ' f lowing conditions in addition to those conditions g $r,,d y g C* M C y c ",,** g j ,,byp,,,j {

AsME Counc8.

specified in the Code Case. Applicants abould iden- secede cae. Isos is no senser Ihted by ASME as a seetloa III tify in their Safety Analysis Report: (1) the minimum Code caos and is aberefore deseted from the necepteese sostins.

1.84 10

=

I -

" Emergency, and " Faulted" do not necessarily imply 17201 034176 I agreement with specified plant conditions applicable Weld End Preparation for Section !!!,

"to ASME Code Class 2 and 3 components for fluid 11 20 78 Division I Construction systems. These designations should be established and justified in the design specifications, Code Case 1720-1 was acceptable subject to the following condition in addition to tione canditions spa:ified in the 1607 , Code Case: The acceptance of weld end prgerations other 11 05-73 Stress Criteria for Section III Clas- 4 Il 04 74 ses 2 and 3 Vessels Subjected to than those shown in Figures 1,2, and 3 of the Code Case should be evaluated on a case-by-case basis.

Upset, Emergency, and Faulted Operating Conditions 1739 2 08 28 78 Pump Internal Items, Section til, Code Case 1607 was acceptable subj/ct to the inter- (N I19-2) 08-25 80 Division 1,Ctass 1,2, and 3 1739-3 pretation that the stress limit designations of " Upset," 08-25-80 Pump Internal items, Section !!!,

(N-119-3) 11 17-80 Division I, Class I,2,and 3

" Emergency," and " Faulted" do not necessarily imply 1761 agreement with specified plant conditiens applicable 04-26 76 Use of SB-148 AUoy CA954 for Sec-01 14-77 tion Ill, Division I, Class 2 or 3 to ASME Code Class 2 and 3 components for fluid Flanged End Valves systems. These designations should be established and 1761-1 justified in the design specifications. 01 14-77 Use of $B 148 Alloy CA954, (N-133) 0147-80 Section !!!, Division I, Class 3 16091 04 02-82 0341-76 Inertia and Continuous Drive N 1331 (N 55) 08 28 78 Friction Welding, Secten I, Ill. 044282 Use of SB 148 Alloys 952 and 954, 07 13-81 IV, Vill, Division 1 and 2, and 05 19-85 Section 'lli, Division I, Class 3 1769 0445-84 IX 08 13-76 Qualification of NDE levelill Per-1630 02 16-77 sonnel, Section Ill, Division i 1144 74 External Pressure Charts for fligh 1774 (N 77) 07-10-78 Yield Strength Oarbon Steels and low 08-13 76 Minimum Wall 7hickness for dass 2 A!!oy Steels. (Yield strength above 071177 and 3 Valves, SectionIll, Division 1 1780 09 10-76 Hydrostatic Testing and Stamping 38' Ksi to 60 Ksi inclusive.)For Sec- 03-10-78 of Pumps for Class I Construction, tion I!!, Class I,2,3, and MC; and Section lit, Division i Section VI!!, Division I and 2 1683 03 03 75 Bolt Holes for Section !!!, Division

) 03 01 76 1, Class I,2,3 and MC Component Code Case 1780 was acceptable subject to the follow.

Supports ing conditions in addition to those conditions specified 1689 in the Code case: Each licensing application in which 06 30 75 Alternate PWHT Time and Temper-the Code Case is to be used should present informa-09-10-76 sture for SA-182 Grade F22 Section tion that satisfactorily demonstrates that the subassem-Ill, Class I,2, 3 and CS bly tests adequately simulate the pressure loadings.

Code Case 1689 was acceptable subject to the fouow-Also, the closure fixture for the test subassembly should int condition in addition to that specified in the Code adequately simulate the rigidity of adjacent subassem-Case: The alternate postweld heat treatment should blies and also simulate the interface loadings from adjacent subassemblies that would result from a be prequalified along with the applicable welding pro-hydrostatic pressure test of a complete pump assembly, cedure in accordance with ASME sectionIX. As a minunum, the closure fixture should impose loads 1695 that result'in stresses equal to or greater than those 04-28-75 Bradas Section Ill, Class 3 11 03-75 induced during the hydrostatic test of a complete 1701 06 30-75 Determination of Capacities of pump assembly. It is not intended that piping reac-tion loadings 'be simulated la the hydrostatic testing.

03-20 78 Vacuum Relief Valves Section !!!,

Class MC 1783 17011 03-20-78 Determination of Capacities of 09 10-76 Qualification of Nondestructive Per-I 01 14 77 sonnel, Section lif, Division !

(N 951) 03 19-79 Vacuum Relief Valves, Section !!!,

07 09 79 Division I and 2. Class MC Code Case 1783 was acceptable subject to the follow.

1702 06 30-75 Flanged Valves Larger than 24 ing condition in addition to those conditions specified 07 11 77 inches for Section Ill, Class I, 2 I* in the Code Case: The first sentence of paragraph (I) and 3 Construction should be replaced with the following: "The certifica-

1720 08 11 75 Weld End Preparation for Section Bl.

tion of the LevelIll nondestructive examination person-03 01 76 Division i Construction l

• nel for the purposes of this Section of the Code shall

! be the responsibility of the employer of the Level 111 Code Case 1720 was acceptable subject to the fouow-(, ing condition in addition to those conditions specified individual. If the employer is not a Certificate Holder,

, in the Code Case

Weld end preparations other than then the verification of such certificate is the responsibil-ity of the Certificate Holder."

those shown in Figures I, 2, and 3 of the Code Case are not acceptable on a generic basis. Such alternative N 192 and preparations should be treated on a casetycase basis.

01 09-78 Use of Flexible Hose for Section III, 08 30-79 Division 1,0 ass t,2,and 3 0mstructsm 1.84 11

8 Code. Case N 192 was acceptable subject to the following Code Case N-3181 was acceptable subject to the fol-

' conditions in addition to those conditions specified in lowing conditions in addition to those conditions spe-the Code Case. The applicant should indicate system cified in the Code Case. Applicants should identify application, design and operating pressure,and pressure-in their Safety Analysis Report: (I) the method of lug j attachment, (2) the piping system involved, and (3) the temperature rating of the flexible hose. Data to demon-strate compliance of the flexible hose with NQND-3649,

- location in the syst".a where the Case is to be applied.

j particularly NQND 3649.4(e), are required to be furriishe( '

j N 345 06 17-82 Attachment of AMS $382 Alloy 31 i with the application.

121342 Seat Rings by Friction Welding, Sec-08-30-79 Use of Flexible Hose for Section lli, Divi- tion lit, Division 1, Classes I,2, and 3 N 1921 021443 Alternate Rules for Pressure Testing 09-1641 sion I, Class I,2,and 3 Construction N 362 052543 of Containment Items,Section III, Code Case N 192-1 was acceptable subject to the follow. Division I N 3621 05 25-83 Pressure Testing of Containment ing conditions in addition to those conditions specified in the Code Case: The applicant should indicate system 071244 Items, Section lit, Division 1, Classes I,2, and MC application, design and operating pressure,and pressure.

j

- temperature rating of the flexible hose. Data to demon-l '

strate compliance of the flexible hose with NQND-3649,

4. Code Cases for Class I components that are not on l the approved list of this guide (paragraph C.1) or other particularly NQND-3649.4(e), are sequired m be fwnished t

with the application. regulatory guides, or for .which authorization by the Commission has not been' granted, are not acceptable 01 09-78 Exemption from the Shakedown for Class I components.

! N 196 j 0148-79 Requirements When Plastic Anal-

5. Code Cases for other classes of components that are ysis is Performed for Section Ill, I

! Division I, Class ! Construction not on the approved list of this guide (paragraph' Cl) or 05 15 78 Use of SA-351, Grade CN7M, for other regulatory guides should be considered tot acceptable N 214 07-134i Valves for Section III, Division I, on a generic basis.

094742 Construction N 214 l 094742 Use of SA 351 Grade CN7M, for 05-2543 Valves,Section III, Division 1 D. IMPLEMENTATION i N 237 07 09-79 Hydrostatic Testing of Internal 012142 Piping, Section Ill, Division 1 l The purpose of this section is to provide infor-j 094742 mation to applicants regarding ,the use of this regulatory l N2371 09-0742 Hydestatic 'Ihsting of keernal Flping, 05 2543 Section III, Division 1 Casses2 ed 3 guide.

j N-304 06-1141 Use of 20625Ni4Mo(Alloy UNS l

044544 N08366) Welded Tubes for Sec- 1. Except for those Code Cases that have been 07-1244 tion 111, Division 1, Casses 2 and annuued by action of the ASME Council, the NRC 3 Construction staff has found the Code Cases listed in this regula-N-304-1 071244 Use of 20Cr 25Ni4Mo (Alloy UNS tory guide under regulatory position c.1 seceptable,for 05-1945 Mp6366) Welded 'thbes foe Seo-tion lit, Division 1, Oasses 2 and appropriate use. Other Code Cases may be considered 3 Construction for use in accordance with footnote 6 of the Codes and Standar.ds rule,5 50.55s of 10 CFR Part 50.

N 318 071341 Procedure for Evaluation of the

• 022044 Design of Rectangular Cross Sec.

tion Attachments on Class'2 or

2. Components ordered to a specific version of

~

3 Piping, Section !!!, Division l a Code Case need not be changed because a subsequent Code Case N418 wts seseptable setdect to the fotow-revision to the Code Case is listed as the approved version in this guide.

ing conditions in addition to those conditions speci-fled la the Code Case. Applicants should identify in their Safety Analysis Report: (t) the method of lug 3. Components ordered to a Code Case that was attachment, (2) the piping system involved, and (3) the location in the system where the Case is to be applied. previously approved for use need not be changed be-cause the Code Case has been subsequently annulled.

N 31818' 02 2044 Procedure for Evaluati' o n of the '

071244 Design of Rectangular Cross Sec.

4. Code Cases on the approved list may be applied tion Attachments on Class 2 or 3 Piping, Section lli, Division i to components that were in process of construction Prior to the effective date of the Code Case within

. the !!mits specified in the Code Case and applicable sen, ,,,aen

,,an , g, l  : ,,,,,,,,,, ,,, e,,,,,,,,,,, regulations or recommended in other regulatory guides.

• R*'essen as et taas suage.

1.84 12

, *~ .

go .

APPENDIX NUMERICAL LISTING OF CODE CASES

• 1540-2 (N 31) d243 N 346 N 551 N 247 N 347 16212 (N 62 2) N 260 N-350 1630-1 (N-66-1) N 262 N 357 1720-2 (N 106 2) N 271 N-362-2 l 1739-4 (N I19-4) N 276 N-368 1745 (N 122) N 282 N 369 l N 333-2 N 284 N-376 1791 (N 154) N 292 N-383 1792 2 (N 1$$-2) l N 304 2 N 391 1797 (N 160) N-309 N 392 N 192 2 N 313 N-393 N-196-1 N 315 N 394 i

N 215 N-316 N 397 N 2171 l N 318 2 N 410 N 229 N 319, N-411 -

N 233 N 328 N-412 N 237 2

• N 341 N-413 N 2 to N-345 1 N-420 N 241 N-421

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