ML19323H437
| ML19323H437 | |
| Person / Time | |
|---|---|
| Issue date: | 05/31/1980 |
| From: | NRC OFFICE OF STANDARDS DEVELOPMENT |
| To: | |
| References | |
| REGGD-01.084, REGGD-1.084, NUDOCS 8006130001 | |
| Download: ML19323H437 (10) | |
Text
Revision 16 May 1980
/sa nec%
U.S. NUCLEAR REGULATORY COMMISSION
@s@ OFFICE OF STANDARDS DEV GUIDE
\\[...,8 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 Utilization Facilities," requires. in part, that components of the reactor This regulatory guide lists those Section III ASME Code coolant pressure boundary be designed, fabncated, erected, Cases oriented to design and fabrication that are ge terally and tested in accordance with the requirements for Class I acceptable to the NRC staff for implementation in the components of Section 111. " Nuclear Power Plant Compo-licensing of light-water-cooled nuclear power plants.
nents,"' of the American Society of Mechanical Engineers (ASME) Boder and Pressure Vessel Code or equivalent B. DISCUSSION
'luality standards. Footnote 6 to 50.55a states that the use of specific Code Cases may be authonzed by the The ASME Boder and Pressure Vessel Committee pub-Commission upon request pursuant to { 50.55a(a)(2)(ii),
lishes a document entitled " Code Cases,"3 Generally, the which requires that proposed alternatives to the described individual Code Cases that make up this document explain requiremena or portions thereof provide an acceptable the mtent of Code rules or provide for alternative require-level of quality and safety.
ments under special circun. stances.
General Design Critenon I, "Quahty Standards and Most Code Cases are eventually superseded by revision Records," of Appendix A, " General Design Cntena for to the Code and then are annulled by action of the ASME Nuclear Power Plants," to 10 CFR Part 50 requires,in part, Counctl. In such cases, the intent of the annulled Code Case that structures, systems, and components important to becomes part of the revised Code, and thcNfore continued safety be designed, fabncated, erected, and tested to qual-use of the Code Case intent is sanctioned under the rules of sty standards commensurate with the importance of the the Code. In other cases, the Code Case is annulled because safety function to be performed.Where generally recognized it is no longer acceptable or there is no further requirement codes and standards are used,Cnterion I requires that they for it. A Code Case that was approved for a particular be identified and evaluated to determine their applicability, situation and not for a generic application should be used adequacy, and sufficiency and be supplemented or modified only for construction of the approved situation because as necessary to ensure a quality product in keepmg with the annulment of such a Code Case could result in construction required safety function.
that would not meet Code requirements.
Cntenon 30," Quality of Reactor Coolant Pressure Bound-The Code Cases listed in this guide are limited to those ary. ' of tt same appendix requires, in part, that compo-eases applicable to Section !!! that are oriented toward nents that are part of the reactor coolant pressure boundary design and fabrication, be designed, fabricated, erected, and tested to the i.ighest quality standards practical.
All published Code Cases in the area of design and fabricatien that are applicable to Section !!! of the Code Appendix B, " Quality Assurance Cnteria for Nuclear and were in effect on July 10, 1979, were reviewed for j
- Powa Plants and Fuel Reprocessing Plants," to 10 CFR inclusion in this guide. In addition to the listing of accept-able Code Cases, this revision of the guide includes listings I Copies may he obtained from the Amencan Society of Me. 5an-1 ical Enoneers. United Enoncenng Center, 34s East 47th Stss't, New York, New York Iont 7 Lines in iicate substantive changes from Revision 15.
j i
USNRC REGULATOR Y GUIDES Comments should be sent to tne Secretary of the Commission, U.S. Nuclear Regulatory Commissson, Wasnington, D.C. 20 55 5, Regulatory Guides are issued to oescrime and mame availaole to the Attention: Docketing and Service Brancn, ouolic metnods acceptania to the NRC st af f of implementing spoofic carts of the Commission's regulations, to colmeate tech-The quices are issued in the followmg ten eroad divisions:
1 neoues used by the staff in evaluatmq specific prootems or costa-i lated accidents. or to oroviae guidance to aoolicants. Regulatory
- 1. Power Reactors
- 6. Products Guides are no suostitutes for regulations, ano comoliance with 2 Researen and Test Reactors
- 7. Transportation tnem is not reasred. Yetnods and solutions oif ferent from tnose set
- a. Suels and Materials Facilities
- 8. Occupational Healtn j
out in the guides wen De acceptacle if they provide a cases for tne
- 4. Environmental and Siting
- 9. Antitrust and Financial Review fmoings reouisite to the issuance or continuance of a permit or
- 5. Materials and Plant Protection 10. General license oy tne Commission.
Copies ; f issued guiaes may ce purchased at the current Government Comments and suggestions 6morovements in tnese quices are Printing Office orece. A sunscription service for future guices in soe-encouraged at all times, ans coes well os revised, as acoroonate.
cific civisions is availaole througn the Government -.., Me.
to accommocate comments and to reflect new information or information on the sucscription service and current GPO oraces m. y experience. Tnis guide was revised as a result of suostantive com-be ootainea ey writmg the U.S. Nuclear Regulatory Commissv 1, ments received f rom tne puolic and accational staf f review.
Wasnington, D.C. 20555, Attention: Puelications Sales Manapr.
80 06 1 n.n00l.
a-.'
of (1) Code Cases that were identified as acceptable in a (2) Code Cases applicable to valve design:
pnor version of this regulatory guide and that were annulled af ter the origmal issuance of this guide (June 1974) and (2) 1539-1 11-21-77 Metal Bellows and Sletal Diaphragm Code Cases that w--r we'itified as acceptabic in a prior (N-30-1)
Stem Scaled Valves, Section !!!,
version of this regulatory guide and that were superseded Division 1, G asses 1, 2, and 3 by revised Code Cases after the original issuance of this 1552-1 08-29-77 Design by Analysis of Section Ill, guide (June 1974). Code Cases that are not hsted herein are (N-35-1)
Class ! Valves either not endorsed or willrequire supplementary provisions 1678 12-16-74 Butterfly Valves of Circular Cross 4
on an individual basis to attain endorsement status.
01 08-79 Section Larger than 24 in. NPS for l Section III, Class 2 and 3 Construc-The endorsement of a Code Case by this guide consti-tion tutes acceptance of its technical position for applications 1700 11-03-75 Determination of Capacities of Liquid not precluded by regulatory or other requirements or by (N-94) 03 19-79 Relief Valves,Sectionill, Division I.,
the recommendations in this or other regulatory guides.
Class 1,2, and 3 Contingent endorsement is indicated in regulatory position 1701-2 07-09-79 Determination of Capacities of Vac-C,1.c for specific cases. Ilowever, it is the responsibility of (N-95-2) uum Relief Valves,Section III,Di-the user to make certain that no regulatory requirements vision 1 Classes 2, 3, and MC and are violated and that there are no conflicts with other Division 2 Concrete Containments recommended limitations resulting from Code Case usage.
1702-1 07-11-77 Flanged Valves Larger than 24 inches (N-96-1) for Section III, Division 1, Class 1.
Acceptance orendorsement by the NRC staff applies only 2 and 3 Construction to thosa Code Cases or Code Case revisions with the date of 1761-1 01-14-77 Use of SB-148 Alloy CA954 Section 111
" Council Approval" as shown in the regulatory position of Division 1, Class 3 this guide. Earlier or later revisions of a Code Case are not 1774-1 07-11-77 Minimum Wall Thickness for Class 2 endorsed by this guide. New Code Cases will require evalua-(N-142-1) and 3 Valves,Section III, Division I tion by the NRC staff to determine if they qualify for N-179 07-11 77 Openings in Valves for Section 111, inclusion in the approved list. Because of the continuing Division 1, Class t. 2 and 3 Cc nstruc-change in the status of Code Cases,it is planned that this tion guide will require periodic updating to accommodate new N-193 I l-21-77 Use of SB-61 and SB-62 Bronze for Code Cases and any revisions of existing Code Case..
Secticn 111, Division 1, Cass 3 Flange and Socket Weld End Valves C. REGULATORY POSITION N-214 05-15-78 Use of SA-351, Grade CN7M, for Valves for Section III, Division 1, 2
- 1. The Section Ill ASME Code Cases listed below (by Construction number, date of Council approval, and title) are acceptable to the NRC staff forapplication in the construction of com-(3) Other Code Cases related to design:
ponents for light-water-cooled nuclear power plants. Their use is acceptable within the hmitations stated in the " Inquiry" and " Reply" sections of eachindividual Code Case, within 1620 03-02-74 Stress Category for Partial Penetra-01-08-79 tion Welded Penetrations, Sec-I the limitations of such NRC or other requirements as may exist, and within the additional limitations recommended ti n 111, Class ! Construction 1630-1 07-10-78 External Pressure Charts for High by the NRC staff given with the individual Code Case in the-listing. The categorization of Code Cases used in this guide (N-66-1)
Yield Strength Carbon Steeis and is intended to facilitate the Code Case listing and is not Low Alloy Steels. (Yield Strength intended to indicate a limitation on its usage.
above 38 Ksi to 60 Ksi inclusive.)
For Section 111, Cass 1,2,3, and MC 1739-2 08-28-78 Pump Internal items, Section 111,
- a. Design-oriented Code Cases (Code Case number, date
[ of Council approval,3 and title):
(N-119-2)
Division 1, Class I,2, and 3 1775 08-13-76 Data Report Forms for Core Sup-(1) Code Cases applicable to piping design:
port Structures, Gass CS, Section Ill, Division 1 N-189 08-29-77 Primary Membrane Plus Primary 1745 03-01-76 Stress Indices forStructural Attach-l (N-122) 01-08 ments, Cass I,Section III, Division 1 Bending Stress Intensity Limits for 1797 03 23-77 Finned Tubing for Construction, Other Than Solid Rectangular Sec-Section III, Division I ti ns for Section III, Division 1, 1812 03-23-77 Size of Fillet Welds for Socket Weld-Class MC Construction N-196-1 01-08-79 Exemption from the Shakedown ing of Piping, Section 111, Division 1 Requirements When Plastic Analy-
,A numerical listing of the Code Cases appears in the appendix.
gig jg performed for Section !!!, Divi-3When two dates are given, the earher date is that on which sion1, Class I and CS Construction
'bIUtha ic'h Is
^
on o Ca vas r aff r"n"e t y" h
/[
N-220 08-28-78 Code Effective Date forComponent l
i council.
Supports, SectionIII, Division 1 I
i 1.84-2 i
N-228 03-19-79 Alternate Rules for Sequence of N-215 05-15-78 Integrally Finned Titanium Tubes, Completion of Code Data Report Section !!!, Division I, Class 3 Con-Forms and Stamping for Section struction III, Cass I,2,3 and SIC Construe.
N-237 07-09-79 Hydrostatic Testing of Internal tion Piping,Section III, Division i N-247 07-09-79 Certified Design Report Summary N-240 03-19-79 Hydrostatic Testing of Open Ended for Component Standard Supports Piping,Section III, Division 1 Section Ill, Division I, Class I,2,.7 N 241 07-09-79 Hydrostatic Testing of Piping, Sec-and NtC tion !!!, Division 1
- b. Fabrication-oriented Code Cases:
- c. Code Cases with contingent approval:
(1) Code Cases related to welding and brazing:
1540-2 01-14 77 Elastomer Diaphragm Valves, Sec-tion III, Class 2 and 3 4
1516-2 11 20-78 Welding of Seats or 51inor Internal (N 24)
Permanent Attachments in Valves Code Case 1540-2 is acceptable subject to the following for Section til Applications conditions in addition to those conditions specified in iic-the Code Case: Each applicant who applies the Code 1609-1 03-01-76 Inertia and Continuous Drive r
l 08-28-78 tion Welding,Section I,
- III, I",
Case should indicate in the referencing Safety Analysis VIII, Division I and 2, and IX Report that the service life of the elastomer diaphragm 1693 03-20-78 Welding Procedure Qualification of should not exceed the manufacturer's recommended (N 212)
Dissimilar 5 fetal Welds When "But-service life. This recommended service life should not tering" with Alloy Weld Metal and exceed 1/3 of the minimum cycle life as established by liest Treatment 5tay Be Involved, the requirements of paragraph 3 of the Code Case. In Section Ill, Division 1, and Section addition, the service life of the elastomer diaphragm IX should not exceed 5 years, and the combined service and 1791 01-14-77 Projection Resistance Welding of storage life of the elastomer diaphragm should not Valve Seats,Section III, Divuon I, exceed 10 years.
Class I,2 and 3 Valves 5
N 182 07-11-77 Alternate Rules for Procedure Qual-1569 03-03-73 Design of Piping for Pressure Relief ification Base Material Orientation, Valve Station,Section III Section III, Division 1, Class 2 and 3 Construction Code Case 1569 is acceptable subject to compliance with N-226 I l-20-78 Temporary Attachment of Ther-the recommendations contained in Regulatory Guide 1.67, mocouples,Section III, Division 1,
" Installation of Overpressure Protection Devices."
Class I, 2 and 3 Component Con-struction 1621-2 05-25-77 Internal and External Valve Items, N-229 01-08-79 Alternate Rules for Fabrication (N-62 2)
Section IH, Divisicn I, Class I, 2 and Welding SB-148 Alloy CDA 954 for 3 Line ValvesSection III, Division 1.
Class 3 Construction Code Case 1621-2 is acceptable subject to the following N-233 01-08 79 Alternate Rules for PWHT of P-No.
condition in addition to those conditions specified in the
- 6. Group 4 Af aterial for Section Ill, Code Case: The Code requires that Class 1 and Class 2 Division 1 Class 1,2, or 3 Construc-valve manufacturers meet the provisions of NCA 4000, tion
" Quality Assurance," and, in addition, Class 3 valve manufacturers should also meet the provisions of NCA (2) Other Code Cases related to fabrication:
4000.
1541-3 05-l'-78 Hydrostatic Testing of Embedded 1711 11-03-75 Pressure Relief Valve Design Rules, (N-32 3)
Class 2 and Class 3 Piping for (N-100) 01-08-79 Section III, Division i, Class 1, 2l Section III, Division 1 Construction and 3 1588 08-13-73 Electro-Etching of Section 111 Code 03-19-79 Symbols Code Case 1711 is acceptable subject to the following N 184 07 11-77 Roll Threading of SA-453 Bolting conditions in addition to those conditions specified in for Section lit, Division 1, Class I, the Code Case. The following information should be 2,3 or CS Construction providedin the Safety Analysis Report:
"This revision of the Code Case was originaHy approved by the (1) If stress limits are used in excess of those specified
^
ubt7c ti n o c on lIl in"theWinte for the upset operating condition, it should be of he r so to 19 Addenda. However, the users did not believe that the Code Case demonstrated how the pressure relief function is j
was covered in the Code revision: therefore ASME reafntmed tt.e Cue on !I/20/78. Because of these circurgtances and because there wre no changes in the Code Case, the ARC considers that 5
this Case was in etfact during the period of 7/l/78 through !l/20/78.
Corrected date.
1.81 3
4 assured. Refer to paragraph 3.1,Section I, of the Code Case N-192 is acceptable subject to the following i
Case for Class I and paragraph 3.2, Section 11, of conditions in addition to those conditions specified in the Case for Class 2 and 3 pressure relief valves.
the Code Case: The applicant should indicate system applicatioa., de:;1gn and operating pressure, and pressure-(2) If Case 1660 isto be used in conjunction with this temperature rating of the flexible hose. Data to demon-Case, it should be stated that the stress limits of strate compliance of the flexible hose with NC/ND-Case 1660 supersede those of paragraph 3.2(b),
3649, particularly NC/ND-3649 4(c), are required to be Section I, of Case 1711. Functional assurance of furnished with the application.
(1) above is required in all situations.
N-199 03-20-78 Intervenmg Elements Section 111, 1720-2 11-20-78 Weld End Preparation for Secton III, Division 1, Classes 1,2,3 and MC Division 1 Construction Component Construction Code Case 1720-2 is acceptable subject to the followmg Code Case N-199 is acceptable subject to the followmg condition in addition to those conditions specilied in the condition in addition to those conditions specified in the Code Case: The acceptance of weld end preparations Code Case: The applicant should provide information in l
other than those shown in Figures 1, 2, and 3 of the the referencing Safety Analysis Report that demonstrates Code Case should be evaluated on a case-by-case basis.
that all intervening elements have been designed m compliance with the requirements of the respective 5
1780-1 07-10-78 liydrostatic Testing and Stamping design specification.
(N 146-1) of Components, Section Ill, Divi-sion 1 Construction N-238 05-14-79 liigh Temperature Furnace Brazing f
of Seat Rmps in Valve Bodies or Code Case 1780-1 is acceptable subject to the following Bonnets for Section Ill, Division 1, conditions in addition to those conditions specified in Class I,2, and 3 Valves the Code Case: On a generic basis, the application of the Code Case is limited to pumps and valves. Apphcation to Code Case N-238 is acceptable subject to the following other components should be treated on a case-by-case conditions in addition to those conditions specified in basis. Each licensms apphcation in which the Code Case the Code Case: The furnace brazing process procedure is to be used should contain information showing that, qualification should include a verification for nonsensi-as a minimum, the closure fixture willimpose loads that tazation as given in ASTM A 262-70, Practices A or E, or result in stren equal to or greater than those induced ASTM A 708-74 whenever materials subject to sensiti-I during the ' rostatic test of a complete pump assem-zation are to be brazed. Documentation is required that bly. A clo _.c fixture for the part being tested that is a nonsensitizing brazing procedure was employed for simdar in size and shape to the actual mating part is valves produced to this Case.
considered adequate to impose these loads. It is not intended that piping reaction loadings be simulated in
- 2. Code Cases that were endorsed by the NRC in a prior the hydrostatic testing.
version of this guide and were later annulled by action of the ASME Council should be considered as deleted from 1792-2 01-08-79 Fiberglass Reinforced Thermoset.
the list of acceptable Code Cases as of the date of the IN-I S S-2) tmg Resin Pipe, Section Ill, Divi-ASME Council action that approved the annulment. Such sion 1 Code Cases, which were annulled on of after July 1,1974, are listed below by number, effective dates,' and title.7 Code Case 1792 2 (N-ISS-2) is acceptable subject to the following condition in addition' to those conditions 1361 2 03-09-72 Socket Welds, Section ill specified in the Code Case: The apphcant should comply 03-01-79 with the additional requirements that are specified in Regulatory Guide 1.72," Spray Pond Piping Made from Code Case 1361-2 was acceptable when used in connec-Fiberglass-Reinforced Thermosetting Resin."
tion with Section Ill, paragraph NB-3356, Fillet Welds.
8 1818 03-23 77 Welded Joints in Component Stand-1461-1 03-09-72 Electron Beam Welding, Section 1, ard Supports, Sectionlil, Division 1 02-16-77 111, and Vill, Division I and 2 Code Case 1818 is acceptable subject to the following condition in addition to those conditions specified in the Code Case: That portion of the unwelded housing that is 6Earlier date.-date code case was approved by ASME Council:
limited to 90* maximum should include a minimum of later date--date code case was annulled.
two sectors that are uniform in length.
7Code cases 1355 3.1534, and i554. which were listed in the original issue of this guide, were annu' ed by Council action prior to J
N-192 01-09-78 Use of Flexible llose for Section Ill, 3"'Y8'3 "
Division 1, Class 1, 2, and 3 Con-scode case 1461 1 is no tonser listed as a section III code case struction and is therefore deleted from the acceptable listing.
1.84-4 l
l l
o 1470-2' 12-18-72 External Pressure Charts for liigh-Code Case 1607-1 was acceptable subject to the inter-11-04-74 Strength Carbon Steels and for pretation that the stress limit designations of " Upset."
Low-Alloy Steels,Section Vill, Divi-
" Emergency," and " Faulted" do not necessarily imoly sion I and 2, and Section III agreement with specified plant conditions applicable to 1471-1 03-09-72 Vacuum Electron Beam Welding of ASME Code Cass 2 and 3 components for fluid systems.
01-01-78 Tube Sheet Joints, Section !!!
These tiesignations should be established and justified in 14771 03-09-72 Use of 1970 Addenda of ANSI the design specifications.
01-01-78 B31.7, Section 111 5
1494 1 03-03-73 Weld Procedure Qualification Test, 1614 12-17-73 Hydrostatic Testing of Piping Prior 01 01 78 Section III 01-01-79 To or Following the installation of 1506 12-13-71 Stress Intensification Factors, Sec.
Spray Nozzles for Section III, 01-01-78 tion III, C ass 2 and 3 Piping Gasses I, 2, and 3 Piping Systems 1516 2 08-11-75 Welding of Seats or Minor Internal 1623 03-02-74 Design by Analysis for Section III, (N-24) 07-01-78 Permanent Attachments in Valves 03-01-79 Cass 1 Sleeve-Coupled and Other for Section Ill Applications Patented Piping 3oints 80 1533 06-14-72 Pressure Temperature Ratings of 1633 04-29-74 Brazing of Seats to Class 1,2, and 3 07-01-75 SA-351 Grades CF8A, CF3, and 01-01-78 Valve Body or Bonnets, Section ill CF3M,Section III 1635-l ' 08-12-74 Stress Criteria for Section III, Gass 2 1535-2 04-30-73 flydrostatic Testing of Section III, 07-01-77 and 3 Valves Subjected to Upset, 03-21-77 Ons 1 Valves Emergency, and Faulted Operating 1536 08 14-72 Closing Seam for Electrical Penetra-Conditions 07-01-77 tions for Section III, Class 2,3, and MC Code Case 1635-1 was acceptable subject to the interpre-80 1553-1 03-03-75 Upset Heading and Roll Threading tation that the stress limit designations of " Upset,"
01-01-76 of SA-453 for Bolting in Section III
" Emergency," and " Faulted" do not necessarily imply 1555-1 01 14-77 Certification of Safety Relief Valves, agreement with specified plant conditions applicable to 01-01-78 Section III, Division 1 ASME Code Class 2 and 3 components for fluid systems.
1573 04-30-73 Vacuum Relief Valves, Section Ill These designations should be established and justified in 01-01-78 the design specifications.
1574 04-30-73 Ilydrostatic Test Pressure for Safety 12-31 74 Relief Valves, Section Ill 1636-1
08-12-74 Stress Criteria for Section !!I, Class 2 1580-1 11-05 73 Bettwelded Alignment Tolerance and 07-01-77 and 3 Pumps Subjected to Upset, 01-01-78 Acceptable Slopes for Concentric Emergency, and Faulted Operating Centerlines for Section III, Cass 1, Conditions 2, and 3 Construction
'1581 06-25-73 Power Operated Pressure Relief Code Case 1636-1 was acceptable subject to the inter-l 03-01-79 Valves,Section III pretation that the stress limit designations of " Upset,"
1601 11-05-73 Limits of Reinforcement for Two-
" Emergency," and " Faulted" do not necessarily imply 07-01-74 Thirds Area,Section III, Cass 1 agreement with specified plant conditions applicable to 1606-1 12-16-74 Stress Criteria Section III, Gasses 2 ASME Code Cass 2 and 3 components for fluid systems.
07-01-77 and 3 Piping Subject to Upset, Emer-These designations should be established and justified in gency, and Faulted Operating Cond-the design specifications.
itions 1651 08-12-74 Interim Requirements for Certifica.
Code Case 16061 was acceptable subject to the inter-03-01-79 tion of Component Supports, Sec-pretation that the stress limit designations of " Upset,"
tion 111, Subsection NF
" Emergency," and " Faulted" do not necessarily imply 1657 11-04-74 Stress Criteria for Gass 2 and 3 agreement with specified plant conditions applicable to 07-01-77 Atmospheric and Low Pressure ASME Code Class 2 and 3 components for fluid systems.
(0-15 psig) Steel Storage Tanks These designations should be established andjustified in 1659 11-04-74 Interconnection of Two Piping the design specifications.
07-01-77 Systems for Section III, Cass 1, 2, and 3 Construction 16071 I l-04-74 Stress Criteria for Section Ill, 1660 11-04-74 Overpressure Protection Under 07-01-77 Classes 2 and 3 Vessels Designed to (N-77) 03-01-79 Emergency Operating Conditions NC/ND-3300 Excluding the NC-3200 for Section !!!, Cass I Alternate 1661 11-04-74 Postweld Heat Treatment P-No.1 01-01-78 Materials for Section III, Class !
'The annulment of Code Case 1470-2 was effective upon Councd approval of Code Case 1630. However. because of an over-sight, the annulment was not noted untd publication of Supplement gg h.13 to the 1974 Code Cases.
Code Cases 163s and 1636 were approved by Council on July 1, 1974, and revised on August 12. 1974. Because Code
- Code Case was annulled on date as indicated, but the annul-Cases 1635 and 1636 were not in effect on September 1,1974, ment was first mdicated in Revtsion i2 to this guide.
they are not included in this guide.
l.84-5
e.,
1662 11-04-74 Shop Assembly of Components, 1719'8 08-11 75 Single-Welded, Full-Penetration Side-01-01 78 Appurtenances and Piping Sub.
07-01-76 wall Butt Jointsin Atmo. ohcric Stor-assemblies for Section III, Class I, age Tanks, Section Ill, Division I, 2,3 and MC Construction Class 2 1665 11-04 74 Pressure-Temperature Ratings for 1726 11-03-75 Refinement of Low Alloy Steel (N 81) 07-01 78 Cass t Valves Made from 5 Cr 1/2 (N 109) 03-01-79 Ileat Affected Zone Under Overlay Mo, Section til Claddmg Section 111, Division I, 1672 Il-04 74 Nuclear Valves for Section 111, Class 1 Components 03 21-77 Division 1 Cass I, 2, and 3 Con-1727 12-22-75 Alternate Test Fluids, Section 111, struction (N-1101 01-01-79 Division 1 1675 12-16-74 Tubesheet to Shell or Formed licad 07-01-76 Weld Joints,Section III, Cass 1 Code Case 1727 was acceptable subject to the follow-Vessels ing condition in addition to those conditions specified 1676
12-16 74 Clarification of Stress Intensities in in the Code Case: The applicant should provide justifi-07-01 76 Curved Pipe or Welded Elbow s, cation in the referencing Safety Analysis Report for the Section 111 fluid selected for use in the pressure test. The informa-1/ 77 12-16-74 Clarification of Flange Design Loads, tion provided should demonstrate that the fluid selected C -82) 03-01-79 Section lit, Class I, 2, and 3 will not have deleterious effects on the material of the 12 (581-1 03-03-75 Organizations A cepting Overall pressure boundary and that the fluid may be safely used (N-84) 03-01-79 Responsibility for Section Ill Con-at the specified temperature and pressure of the test.
struction When the fluid selected for use is the operating fluid, 1683 1 03-01-76 Bolt floles for Section 111, Class 1, additional information is not required.
07-01 76 2,3 and MC Component Supports 1685 04-28 75 Furnace Brazmg SectionIII, Class 1, 1729 I l-03-75 Minimum Edge Distance - Bolting 01 01 78 2,3 and MC Construction (N-11 I )
03-01-79 for Section III, Division 1, Class I, 1686 03-03 75 Furnace Brazing, Section Ill, Sub-2, and 3 and MC Construction of 01-01 78 section NF, Component Supports Component Supports 1689I 09-10-76 Alternate PWIIT Time and Temper-1732 11-03-75 liardsurfaced Valves with inlet 01 01 78 ature for S A-182 Grade F22, (N Il4) 01-01-79 Connections less than 2 in. Nominal S A-387 Grade 22. Class 2, and Pipe Size for Section Ill, Division I, [
SA-335 Grade P-22 Section Ill, Class 1 and 2 Construction i
Class 1,2,3 and CS 1733 11-03-75 Evaluation of Safe Shut Down Earth-(N-115) 01-01-76 quake Loadings for Section 111, Code Case 16891 was acceptable subject to the follow-Division 1, Class MC Containment ing condition in addition to that specified in the Code Vessels Case: The alternate postweld heat treatment should be 1734 11-03-75 Weld Design for Use for Section III, prequalified along with the applicable welding procedure (N-116) 01-01-78 Division I, Class 1, 2,3 and MC Con-in accordance with AShfE Section IX.
struction of Component Supports 1692 04-28-75 Rules for Design of Welded Class !
Code Case 1734 was acceptable subject to the follow-(N-90) 07-01 78 Pumps ing conditions in addition to those conditions specified 1695-1 11-03 75 Brazing, Section Ill, Division 1,
in the Code Case: If the configuration of Figure 1 of 01-01-78 Class 3 the Code Case is used for Class I and MC component 1703 06-30-75 Brazing of Cop;rt AlloysSectionill, supports, full penetration welds should be used. The 01-01 78 Class 2 application of the configuration shown in Figures 2 1706 06-30-75 Data Report Forms for Component and 3 should be restricted to the welding of cans for 12 31 75 Supports, Section ill, Class 1, 2 spring encapsulation in spring hangers. In Figure 3, and 3 the length of the leg of the fillet weld adjacent to the 1712 08-11-75 Nameplates and Stamping for Sec.
plate should be equal to the thickness of the exposed (N 101) 03 01 79 tion 111,' Division I, Class I, 2, 3 end of the plate; also, the leg of the fillet weld adjacent and MC Construction as Referenced to the shell should be equal to the thickness of the in NA-8300 exposed end of the shell.
88 1718 08-11-75 Design of Structural Connections 07-01 76 for Linear Type Component Sup-1744 03-01 76 Carbon Steel Pipe Flanges Larger i ports, Section Ill, Division 1,
(N-121) 03-01 79. than 24 in. Section lli, Division 1, j Class 1,2 and 3 and MC Class 2 and 3 Construction-i 1765 04-26 Machining After liydrostatic Testing 07-01-77 Class 2 and 3 Construction,Section III, Division 1 1768 06-29-76 Permanent Attachments toContain-3Its'.$ca'uS NeYse [si ws. Eat intr'fe t
' 01-01-78 ment Vessels-Class MC, Section Ill, re d March 31,197s. the Code Case was not included in this guide.
Division I l.84-6
4 l
1769-1 02-16-77 Qualification of NDE Level 111 Per-1606 11-05-73 Stress Criteria for Section Ill, Class 10-01-77 sonnel,Section III, Division 1'
12-16-74 2 and 3 Piping Subjected to Upset, 1783-1 01 14-77 Qualification of Nondestructive Emergency, and Faulted Operating 01-01 79 Examination Personnel,Section III, Conditions Division 1 Code Case 1.16 was acceptable subject to the inter-Code Case 1783-1 was acceptable subject to the follow-pretation that the stress limit designations of " Upset,"
ing condition in addition to those conditions specified "I'mergency," and " Faulted" do not necessarily imply in the Code Case: The first sentence of paragraph (1) agreement with specified plant conditions applicable to should be replaced with the following: "The certifica-ASME Code Class 2 and 3 components for fluid systems.
tion of the Level III nondestructive examination per-These designations should be established and justified in sonnel for the purpose of this Section of the Code the design specifications.
shall be the responsibility of the employerof the Leveltil individual. If the employer is not a Certificate lioider, 1607 11-05-73 Stress Criteria for Section !!!, Clas-then the verification of such certificate is the responsibil-I l-04-74 ses 2 and 3 Vessels Subjected to ity of the Certificate IIolder."
Upset, Emergency, and Faulted Operating Conditions 1796 01-14-77 Body Neck Thickness Determina-(N 159) 07-01-78 tion for Valves with Inlet Connec-Code Case 1607 was acceptable subject to the inter-tions 4-Inch Nominal Pipe Size and pretation that the stress limit designations of " Upset,"
Smaller, Section Ill, Division 1,
" Emergency," and " Faulted" do not necessarily imply Class 1, 2, and 3 agreement with specified plant conditions applicable to 1808 02-16-77 F-Number Classification of Low ASME Code Class 2 and 3 components for fluid systems.
01-01-78 Alloy and Carbon Steel Bare Rod These designations should be established and justified in Electrodes Sections I, II, III, IV, V, the design specifications.
Vill, and IX 1630 11-04-74 External Pressure Charts for High
- 3. Code Cases that were endorsed by the NRCin a prior (N-77) 07-10-78 Yield Strength Carbon Steels and version of this guide and were superseded by revised Code Low Alloy Steels. (Yield strength Cases on or after July 1,1974, should be considered as not above 38 Ksi to 60 Ksi Inclusive).
endorsed as of the date of the Council action that approved For Section III, Class 1, 2, 3, and the revised version of the Code Cases. These Code Casas MC; and Section Vill, Division I that are no longer endorsed are listed in the following by and 2 number, effective dates,8 3 and title.
1683 03-03-75 Bolt Ilotes for Section III, Division 03-01 76 1, Class 1, 2,3 and MC Component 34 1508 12 13 71 Allowable Stresses, Design Intensity Supports 06-30-75 and/or Yield Strength Values, Sec-1689 06-30-75 Alternate PWitT Time and Temper-tion I,III,and VIII, Divisions I and 2 09-10-76 ature for SA-182 Grade F22 Section 1516-1 06-25-73 Welding of Seats in Valves for Sec-
!!!, Class 1,2,3 and CS 08-11 75 tion til Appiications 1539 I l-06-72 Metal Bellows and Metal Diaphiagm Code Case 1689 was acceptable subject to the follow-(N-30-1)
Il 21-77 Stem Sealed Valves,Section III, ing condition in addition to that specified in the Code I
Classes 1,2, and 3 Case: The alternate postweld heat treatment should 1540-1 03-03-73 Elastomer Diaphragm Valves, Sec-be prequalified along with the applicable welding pro-01-14-77 tion Ill, Classes 2 and 3 cedure in accordance with ASME Section IX.
1541-1 08-13-73 Ilydrostatic Testing of Embedded 09-30-76 Class 2 and Class 3 Piping for Sec-1695 04-28-75 Brazing,Section III, Class 3 tion III Construction I l-03-75 1541 2 09-30-76 l{ydrostatic Testing of Embedded 1701 06-30-75 Determination of Capacities of 05 15 78 Class 2 and Class 3 Piping for Sec-03-20-78 Vacuum Relief ValvesSection III, tion III, Division 1 Construction Class MC 1552 12-18-72 Design by Analysis of Section III, 17011 03 20-78 Determination of Capacities of 08-29 77 Class ! Valves (N-95-1 ) 0319-79: s Vacuum Relief Valves,Section III, 1553 12 18-72 Upset Heading and Roll Threading 07-09-79 Division I and 2, Class MC 03-03-75 of SA-453 for Botting, Section !!!
1702 06-30-75 Flanged Valves Larger than 24 1555 12-18-72 Certification of Safety Relief Valves 07-11-77 inches for Section III, Class 1, 2 01-14-77 on Liquids and 3 Construction 1720 08-11-75 Weld End Preparation for Section DI, 33 Earlier date.-date Code Case was approved by ASME Council:
03-01-76 Division 1 Construction later date-date revision of Code Case was approved by ASME Council.
15 I#Cc D Case 1508 is no lonser listed by ASME as a Section 111 This Code Case had been reaffirmed by the ASME Council Code Cau m,/ is therefore deleted from the acceptable listing.
Prior to its annulment.
l.84-7
e Code Case 1720 was acceptable subject to the follow-should be replaced with the following: "The certifica-ing condition in addition to those conditions specified tion of the Level 111 nondestructive examination person-in the Code Case: Weld end preparations other than ne! for the purposes of this Section of the Code shall be those shown in Figures 1,2, and 3 of the Code Case are the responsibility of the en, loyer of the Level 111 not acceptable on a generic basis. Such alternative end individual. If the employer is not a Certificate lloider, preparations should be treated on a case by case basis.
then the verification of such certificate is the responsibil-ity of the Certificate lloider."
'1720-1 03-01-76 Weld End Preparation for Section !!!.
Il 20-78 Division 1 Construction N-196 01-09-78 Exemption from the Shakedown 01-08-79 Requirements When Plastic Anal-Code Case 1720-1 was acceptable subject to the follow-ysis is Performed for Section Ill, mg condition in addition to those conditions specified in Division 1, Class 1 Construction the Code Case: The acceptance of weld end preparations other than those shown in Figures 1, 2, and 3 of the
- 4. Code Cases for Class I components that are not on Code Case should be evaluated on a case-by case basis.
the approved list of this guide (paragraph C.1) or other a
regulatory guides, or for which authorization t;/ the Com-1761 04-26-76 Use of SB 148 Alloy CA954 for Sec,
mission has not been granted, are not acceptable for Class 1 01-14-77 tion !!!, Division 1, Class 2 or 3 components.
1 Flanged End Valves i
1769 08 13-76 Qualification of NDE LevelIll Per-
- 5. Code Cases for other classes of components that are 02-16-77 sonnel, Section Ill, Division I not on the approved list of this guide (paragraph C.1) or 1774 08-13-76 Minimum Wall Thickness for Class 2 other regulatory guides should be considered not acceptable
^
07 11-77 and 3 Valves, Section !!!, Division 1 on a generic basis.
i 1780 09-10-76 Ilydrostatic Testing a d Stamping 03 10-78 of Pumps for Class 1 Construction, D. IMPLEMENTATION i
Section III, Division 1 The purpose of this section is to provide information to i
Code Case 1780 was acceptable subject to the follow-applicants regarding the use of this regulatory guide.
ing conditions in addition to those conditions specified 1
in the Code Case: Each heensing application in which
- 1. Except for those Code Cases that have been annulled the Code Case is to be used should present informa-by action of the ASME Council,the NRC staff has found the tion that satisfactorily demonstrates that the subassem-Code Cases listed in this regulatory guide under regulatory bly tests adequately simulate the pressure loadings.
position C.1 acceptable for appropriate use. Other Code Also, the closure fixture for the test subassembly should Cases may be considered for use in accordance with foot-adequately simulate the rigidity of adjacent subassembhes note 6 of the Codes and Standardsrule, @ 50.55a of 10 CFR and also simulate the interface loadings from adjacent Part 50.
subassemblies that would result from a hydrostatic l
pressure test of a compkte pump assembly. Asa minimum,
- 2. Components ordered to a specific version of a Code
{
the closure fixture sh ild' impose loads that result in Case need not be changed because a subsequent revision to stresses equal to or grea r than those induced during the the Code Case is listed as the approved version in this guide.
i hydrostatic test of a coe olete pump assembly, it is not intended that piping reaction loadings be simulated in
- 3. Components ordered to a Code Case that was previ-the hydrostatic testing, ously approved for use need not be changed because the Code Case has been subsequently annulled.
1783 09-10-76 Qualification of Nondestructive Per-01 14-77 sonnel, Section 111, Division 1
- 4. Code Cases on the approved list may be applied to components that were in process of construction prior to Code Case 1783 was acceptable subject to the follow-the effective date of the Code Case within the hmits speci-ing condition in addition to those conditions specified fied in the Code Case and applicable regulations or recom-in the Code Case: The first sentence of paragraph (1) mended in other regulatory guides.
Y I,84-8
e APPENDlX NUMERICAL LISTING OF CODE CASES
- 1 1516-2 (N-24-2)
- 1720-2 N-192 1539-1 (N-30-1) 1739-2 (N-119-2)
N-193 1540-2 1745 N-196-1 l 1541-3 (N-32-3) 1761 1 N-199 1552-1 (N-35-1) 1774-1 (N 142-1)
N-214 1569 1775 N-215 l'88 1780-1 (N-146-1)
N-220 1609-1 1791 N-226 1620
! 1792-2 (N-155-2)
N-228 1621-2 (N-62-2) 1797 N-229 1630-1 (N-66-1) 1812 N-233 1678 1818 N-237 1693 (N-212)
N-179 N-238 1700 N-I82 N-240 l 1701-2 (N-95-2)
N 184 N-241 1702-1 (N-96-1)
N-189 N-247 1711
- Code Case 1625 was inadvertently listed in the appendix of Pegulatory Guide 1.84, Revision 1. This Code Case is covered in Regulatory Guide 1.85, Revision 1.
Code Case 1575 is a Section VI!! Case and therefore has been eliminated from this regula-tory guide, which covers Section 111 Cases.
k.
~
i e
4 1.84-9 iY
UNITED STATES NUCsEAR REGULATonY COMMISSION F
]*
WASHINGTON, D. C. 2:SS5 postaos ano rges paio OFFICI AL SUSINESS u.s. MucLean ngGuLaTony couusssion PE NALTY FOR PRevATE USE. 53OO Mall i
L m
i
.)S u b 15 L= 3 I L = \\ <' 1 fc) h J s L I., J Cilis II
'T' A n! A JL:i CN1? F 6 ' d. i
. ' - 11.p3f L1 3:
aT #2 Y-20555
.11/rd o ooJ s.
I l
-