|
Approved Interpretations
- This section provides a complete list of all approved interpretations of the NBIC.
- Each interpretation references the edition and addenda applicable to the committee response and approval. Use of interpretations, for other than the approved edition and addenda, may not be appropriate for reference.
- Technical inquiries (also known as “request for interpretation”) may be submitted to the NBIC committee to clarify the meaning or intent of existing rules to the NBIC. The requirements for submitting technical inquiries are described in NBIC Parts 1, 2, and 3 (Section 8), Preparation of Technical Inquiries to the NBIC Committee.
Click on a header to view all interpretations for that year. Click on an Interpretation number to go directly to that specific interpretation.
2017 Interpretations
| Interpretation |
Edition |
Part |
Section |
Subject |
| 17-12 |
2017 |
3 |
3.3.4 |
Reducing a pressure vessel's overall shell length |
| 17-11 |
2017 |
3 |
2.5.3.6 e) |
Changing of Welding Consumables |
| 17-10 |
2017 |
3 |
3.4.5 |
ASME Section VIII, Division 2, Class 1 Vessels. |
| 17-09 |
2017 |
3 |
2.5.2 |
Post-Weld Heat Treatment of full penetration groove weld |
| 17-08 |
2017 |
3 |
3.3.5.2.a and 3.4.5.1.a |
Repair/Alteration Plans for ASME VIII, Division 2, Class 1 Pressure Vessels |
| 17-07 |
2017 |
3 |
2.5.3 |
Omission of PWHT by an R Certificate holder |
| 17-06 |
2017 |
3 |
2.5.3.6 |
Part 3, Section 2.5.3.6, Welding Method 6 |
| 17-05 |
2017 |
3 |
3 |
Repairs to a Pressure Retaining Part |
| 17-04 |
2017 |
2 |
All |
Evaluation of existing equipment with minimal documentation |
| 17-03 |
2017 |
3 |
3, Figure 3.3.4.3-b and 3, 3.3.2(e)(5) |
Adding Handhole Ring on Pressure Side of Pressure Retaining Item |
| 17-02 |
2017 |
3 |
1.5.1 |
Continuity Records Retention |
| 17-01 |
2017 |
3 |
All |
Application of Term "Practicable" |
| Interpretation |
Edition |
Part |
Section |
Subject |
| 15-15 |
2015 |
1 |
2.10, 3.10 |
Installation Pressure Test |
| 15-14 |
2017 |
3 |
1.5.1 |
Continuity Records Retention |
| 15-13 |
2015 |
3 |
5.7.2 |
Routine Repair Stamping Requirements |
| 15-12 |
2015 |
3 |
3.3.2 |
Surface Repair of Corrugating Rolls |
| 15-11 |
2013 |
3 |
3 |
Repair/Replacement of Bolting Material |
| 15-10 |
2017 |
3 |
All |
Application of Term "Practicable" |
| 15-09 |
2015 |
3 |
3 |
Use of Backing Strips to Install Flush Patches |
| 15-08 |
2015 |
3 |
5.7 |
Alteration to One Side of Shell/Tube Heat Exchanger |
| 15-07 |
2015 |
3 |
3.4.3 |
Local Stress from Bracket Loading |
| 15-06 |
2015 |
3 |
3.4.3 |
Change in Boiler Heat Input from HRSG |
| 15-05 |
2015 |
3 |
1.3.2 c) |
Verification of Installation of Repair Nameplate |
| 15-04 |
2015 |
3 |
3 |
Explosive Weld Plugs Tube Repair |
| 15-03 |
2015 |
3 |
3.2.6 |
Fillet Welded Patches |
| 15-02 |
2015 |
3 |
5.12.2 |
Valve Repair Nameplate Field Labels |
| 15-01 |
2015 |
1 |
3.3.4 |
Boiler Clearance Less than Recommended |
2013 Interpretations
| Interpretation |
Edition |
Part |
Section |
Subject |
| 13-11 |
2013 |
3 |
3 |
Repair/Replacement of Bolting Material |
| 13-10 |
2013 |
3 |
3 |
Use of Backing Strips to Install Flush Patches |
| 13-09 |
2013 |
3 |
4 |
Penetrant Examination in Lieu of Hydrostatic Test |
| 13-08 |
2013 |
3 |
1.6.1 |
Quality Control System Responsibilities |
| 13-07 |
2013 |
3 |
3.3 |
Weld Buildup of Wasted Areas |
| 13-06 |
2013 |
3 |
2.5.2 |
Postweld Heat Treatment Requirements |
| 13-05 |
2013 |
1 |
3.8.2.3 |
Operating Limit Control Location on Hot Water Supply Boilers |
| 13-04 |
2013 |
3 |
3.3.2 e) |
Seal Welding of Inspection Opening Covers |
| 13-03 |
2011 |
3 |
3.3.2 d) 1) |
Standard Threaded Fitting Welded through
ASME VIII, Div. 1 Vessel |
| 13-02 |
2011 |
3 |
5.7.5 |
Stamping Requirements for Alterations |
| 13-01 |
2013 |
3 |
1.8.5 q) |
Personnel Qualified IAW ANSI/ASME N45.2.23 |
| Interpretation |
Edition |
Part |
Section |
Subject |
| 11-06 |
2011 |
3 |
3.2.5 |
Calculations / Start of Work |
| 11-05 |
2011 |
2 |
5.2.2 – 5.2.3 |
Replacement of Stamped Data on Corrugator Rolls |
| 11-04 |
2011 |
3 |
1.7 |
Application of "VR" Stamp |
| 11-03 |
2011 |
2 |
2.5.8 |
Test Frequencies |
| 11-02 |
2011 |
3 |
4.4.2 a) |
Liquid Pressure Test Requirements |
| 11-01 |
2011 |
3 |
3.3.2 |
Routine Repair Considerations |
| Interpretation |
Edition |
Addenda |
Part |
Section |
Subject |
| 07-16 |
2007 |
|
3 |
3.3.5.2 |
Requirement for Repair / Alteration Plan |
| 07-15 |
2007 |
2008 |
2 |
S2.10.6 |
Average Pitch |
| 07-14 |
2007 |
2009 |
3 |
3.3.3 |
Replacement of Pressure Retaining Parts |
| 07-13 |
2007 |
2009 |
All |
|
The Original Code of Construction |
| 07-12 |
2007 |
2009 |
3 |
3.4.3 |
Replacement of Heads with Different Types |
| 07-11 |
2007 |
2010 |
3 |
3.2.2 a) |
Replacement Parts |
| 07-10 |
2007 |
2009 |
3 |
3.3.2–3.3.3 |
Routine Repairs |
| 07-09 |
2007 |
2008 |
2 |
S2.9 b) & S2.11 b) 7) b) |
Schedule 80 Pipe in External Piping |
| 07-08 |
2007 |
2009 |
3 |
3.4.3 c) |
Handhole Replacement with Flush Patch |
| 07-07 |
2007 |
2009 |
3 |
3.3.4.3 e) & 3.3.2 d) 3) |
Weld Buildup of Wasted Area / Routine Repair |
| 07-06 |
2007 |
|
3 |
|
Replacement Parts for Repairs and Alterations |
| 07-05 |
2007 |
2008 |
1 |
2.9.5.1 c) |
Change-Over Valve Permitted in ASME Code Case-2254 Use |
| 07-04 |
2007 |
|
1 |
4.5.1 a) |
Installation of New Rupture Disc in an Existing Holder |
| 07-03 |
2007 |
|
3 |
2.5.3 |
Use of Alternative Welding Method 2 on P-No 4 and P-No 5A Base Material |
| 07-02 |
2007 |
|
3 |
1.6.2, 1.7.5.4, & 1.8.2 |
NBIC Manual Requirements for "R", "VR", and "NR" Stamp Holders |
| 07-01 |
2004 |
2006 |
|
RB-8400 & RB-8410 |
"Try Testing" of Pressure Relief Valves |
| Interpretation |
Edition |
Addenda |
Section |
Subject |
| 04-23 |
2004 |
2005 |
RC-1110, RC-2050(c), RC-3030(c), & RC-3031(e) |
Jurisdictional Acceptance of NDE |
| 04-22 |
2004 |
|
RC-1130 |
Inspector Verification of NDE Performed |
| 04-21 |
2004 |
2005 |
RC-1130 |
Inspector Involvement in NDE in Lieu of Pressure Test |
| 04-20 |
2004 |
2005 |
RC-2051(d) & RC-3031(b) |
Pneumatic Test in Lieu of Liquid Pressure Test |
| 04-19 |
2004 |
2005 |
RD-2020 |
Repair of Threaded Bolt Holes |
| 04-18 |
2004 |
2005 |
RD-3010 |
Re-rating Using a Later Edition/Addenda of The Original Code of Construction |
| 04-17 |
2001 |
2003 |
RD-2020(c) |
Procedures for Repairing Cracks and Crack Classification |
| 04-16 |
2004 |
|
RA-2370 |
"NR" Certificate Interface with Owner's Repair/Replacement Program |
| 04-15 |
2004 |
|
RD-2060 |
Utilizing a Flush Patch to Gain Access Window in Pressure Retaining Items |
| 04-14 |
2004 |
|
RC-1000 & RC-3000 |
Replacement Safety Valves with Different Capacities and Set Pressures than Boiler Data Report |
| 04-13 |
2004 |
|
RC-1020, RC-1030, Appendix 4, & RC-3022 |
Replacement of a Cast Iron Section |
| 04-12 |
2001 |
2003 |
RD-1030, RC-1050(c) |
Post Weld Heat Treatment of Parts |
| 04-11 |
2001 |
2003 |
RC-1050(c), RC-2050, & RC-2051 |
Requirements for Testing Replacement Parts |
| 04-10 |
2004 |
|
RC-2031 |
Flush Patches in Pipes and Tubes NPS 5 or less |
| 04-09 |
2004 |
|
RC-2031 |
Routine Repairs |
| 04-08 |
2004 |
|
RE-1050 |
Fabricated Replacement Critical Parts |
| 04-07 |
2004 |
|
RE-1050 |
Source for Critical Parts |
| 04-06 |
2004 |
|
RC-1050(c), RC-2050, RC-2051, & RC-1110 |
Written Procedure Requirements for Non-Destructive Examinations |
| 04-05 |
2001 |
2003 |
RC-1050(c) & RC-2050 |
"R" Stamp Holder Installation of Code Manufacturer Supplied Parts |
| 04-04 |
2004 |
|
RC-3022(b) & (d) |
Re-rating of Pressure-Retaining Items for Lethal Service/Removal of Insulation |
| 04-03 |
2004 |
|
RC-3022(b) & (d) |
Re-rating of Pressure-Retaining Items/Removal of Insulation |
| 04-02 |
2004 |
|
RA-2213 |
"VR" Certificate Holder Verification of Manufacturer's Nameplate Capacity |
| 04-01 |
2004 |
|
RD |
Use of Welded Encapsulation Box in Lieu of Weld Build Up or Flush Patch |
| Interpretation |
Edition |
Addenda |
Section |
Subject |
| 01-41 |
2001 |
2003 |
Appendix 2 & 5 |
Alteration Increasing Boiler Heating Surface & Stamping |
| 01-40 |
2001 |
2003 |
RC-2051(e), RC-3031(c), RC-2050, & RC-3030(c) |
Use of VT when Pressure Test Is Not Practicable |
| 01-39 |
2001 |
2003 |
RC-3051 |
Inspector Responsibilities for Form R-2 after Witnessing Pressure Test |
| 01-38 |
2001 |
2003 |
RD-3022(d) |
Design Only "R" Stamp Holders Pressure Testing and Form R-2 |
| 01-37 |
2001 |
2003 |
RC-1140 & RC-3040 |
Construction Phase & Stamping when Re-rating without Physical Changes |
| 01-36 |
2001 |
2002 |
RC-1020(b) |
Application of "R" Stamp on Non-Code Pressure Retaining Items |
| 01-35 |
2001 |
2002 |
RC-1040 |
Is Pre-Assembly of a Part Considered Fabrication |
| 01-34 |
2001 |
2002 |
RD-1060(h)(2) |
Butter Layers Using the SMAW Process |
| 01-34 |
2001 |
2002 |
RD-1040(i)(6) |
Shielding Gas Dewpoint Temperature |
| 01-33 |
2001 |
2002 |
UG-45 |
Evaluation of Inservice Pressure Vessels and Requirement of UG-45 |
| 01-32 |
2001 |
2002 |
Introduction |
Are Reference Codes and Standards Acceptable |
| 01-31 |
2001 |
2002 |
RB-3238 |
Determination of Remaining Life Applicable to Boilers and Pressure Vessels |
| 01-30 |
2001 |
2002 |
RC-1050(c) |
Fabrication and Installation by "R" Stamp Holder |
| 01-29 |
2001 |
2002 |
RC-2070 |
Installation of Replacement Parts |
| 01-28 |
2001 |
2002 |
RC-1040 |
Use of Material That Has Been Previously Inservice |
| 01-27 |
2001 |
2002 |
RC-1090 |
Welding Using Welders Who Are Not Employed by the "R" Stamp Holder |
| 01-26 |
2001 |
2002 |
RB-3238(f) |
Criteria for Determining Actual Thickness and Maximum Deterioration |
| 01-25 |
2001 |
|
RC-3050 |
Documenting Alterations Performed by Two "R" Stamp Organizations |
| 01-24 |
2001 |
|
RC-1110(a) |
NDE of Tack Welds by Welders and Welder Operators |
| 01-23 |
2001 |
|
RC-2031(a)(1) |
Routine Repairs |
| 01-22 |
2001 |
|
RC-2031 |
Routine Repairs |
| 01-21 |
2001 |
|
Appendix 6, Part B |
Alternative Welding Methods in Lieu of Post Weld Heat Treatment |
| 01-20 |
2001 |
|
RC-2031(a)(1) |
Routine Repairs |
| 01-19 |
2001 |
|
RC-2031(a)(1) |
Routine Repairs |
| 01-18 |
2001 |
|
8-5000(b) |
Repairs |
| 01-17 |
2001 |
|
RC-3021 |
Calculations |
| 01-16 |
2001 |
|
RC-3000 |
Alterations to ASME Section VIII, Div. 2 Vessels |
| 01-15 |
2001 |
|
RC-2051 |
Pressure Test Repairs and Alterations by Isolating the Repaired Portion of a Pressure Retaining Item |
| 01-14 |
2001 |
|
RC-2082(b) |
Repair Plan (Sec. VIII, Div. 2) AIA Acceptance |
| 01-13 |
2001 |
|
RB-4010 |
Replacement of Stamped Data |
| 01-12 |
2001 |
|
RA-2274 |
Use of Owner/User Personnel during Repairs of Pressure Relief Valves |
| 01-11 |
2001 |
|
RC-3022 |
Re-rating Based on Joint Efficiency |
| 01-10 |
1998 |
2000 |
RD-1000 |
Alternative Postweld Heat Treatment Methods |
| 01-09 |
1998 |
2000 |
RC-2031(a)(1) |
Routine Repairs |
| 01-08 |
1998 |
2000 |
RB-3853 |
Manually Operated Locking Devices |
| 01-07 |
1998 |
2000 |
RA-2030(a) |
Owner-User Inspection Organizations |
| 01-06 |
1998 |
2000 |
RA-2010 |
Accreditation of Repair Organizations |
| 01-05 |
1998 |
2000 |
RA-2330(n) |
"NR" Program Audits |
| 01-04 |
1998 |
2000 |
RC-2050, RC-3030, RA-2151(m) |
Calibration of Pressure Gages |
| 01-03 |
1998 |
2000 |
Appendix 4 |
Pressure Retaining Items |
| 01-02 |
1998 |
1999 |
RC-2031(a)(3) |
Weld Metal Build-Up |
| 01-01 |
1998 |
1999 |
RA-2330(g) |
Demonstration for an "NR" Certificate of Authorization |
| Interpretation |
Edition |
Addenda |
Section |
Subject |
| 98-44 |
1995 |
1997 |
RC-1093 |
Welder Performance Qualification Using SWPS |
| 98-43 |
1998 |
1999 |
Forward, Appendix 4 & Appendix 5 |
Alterations |
| 98-42 |
1998 |
1999 |
RC-2031, RD-2030(d) |
Weld Buildup of Wasted Area of Boiler Tubes |
| 98-41 |
1998 |
|
RA-2330(g) |
Compliance with Part RA-2330(g) |
| 98-40 |
1998 |
|
RD-2070 |
Replacement of Threaded Stays with Welded Stays |
| 98-39 |
1998 |
1999 |
R-1 & R-2 Forms |
Inspector Requirements |
| 98-38 |
1998 |
1999 |
RC-3031(c) |
NDE in Lieu of Pressure Test |
| 98-37 |
1998 |
1999 |
RC-1050(a) |
Material Requirements |
| 98-36 |
1998 |
1999 |
RD-2050 |
Original Code of Construction |
| 98-35 |
1998 |
1999 |
RB-4000 |
Restamping or Replacement of Nameplate |
| 98-34 |
1995 |
1996 |
RC-3030 |
Examination and Testing |
| 98-33 |
1998 |
|
RC-2051 |
Liquid Pressure Test of Repairs |
| 98-32 |
1998 |
|
RC-3022 |
Re-rating Using Higher Joint Efficiency |
| 98-31 |
1998 |
|
RC-2031 |
Replacement of a Nozzle as Routine Repair |
| 98-30 |
1998 |
|
Appendix 6C |
Example of Alteration Due to Grinding or Machining |
| 98-29 |
1998 |
|
Appendix 6 |
Tube Placement |
| 98-28 |
1998 |
|
RC-1050(c) |
Replacement Parts Fabricated by an "R" Certificate Holder |
| 98-28 |
1998 |
|
Appendix 6 |
Pressure Retaining Replacement Items |
| 98-28 |
1998 |
|
RC-1050 |
Definition of New Replacement Parts |
| 98-27 |
1995 |
1996 |
RC-2050(b) |
Pressure Test |
| 98-27 |
1995 |
1996 |
RC-1050 |
Replacement Parts |
| 98-26 |
1998 |
|
RA-2262(b)(1) |
Resetting of PRV Springs per ASME Section 1, PG-72.3 or Section VIII, Div. 1, UG-126(c) |
| 98-25 |
1998 |
|
RA-2262(b)(3) |
Stamping on Repair Nameplate |
| 98-24 |
1998 |
|
RA-2242(c) |
"VR" Certificate Holders and Code Case 1923 & 1945 |
| 98-23 |
1995 |
|
Appendix 6, B-7 |
Head and Shell Thickness Limitations when Installing Nozzles |
| 98-22 |
1998 |
|
RC-1010 |
Scope |
| 98-21 |
1998 |
|
RA-2130(f) |
Requirements for Applicants for "R" Certificate of Authorization |
| 98-20 |
1998 |
|
RC-3022 |
Re-rating |
| 98-19 |
1998 |
|
RB-3237 |
Inspection Interval |
| 98-18 |
1998 |
|
RC-2031(a)(1) |
Routine Repairs |
| 98-17 |
1998 |
|
RA-2281 |
Testing Medium and Testing Equipment |
| 98-16 |
1998 |
|
RA-3020 |
Prerequisites for Accreditation |
| 98-15 |
1995 |
1996 |
RC-3022 & RC-3030(h) |
Pressure Testing Requirements Related to Re-rating Activities |
| 98-14 |
1998 |
|
Appendix 6 |
Examples of Repairs and Alterations |
| 98-14 |
1998 |
|
RC-1050 |
Replacement Parts |
| 98-14 |
1998 |
|
RC-3022 |
Re-rating |
| 98-14 |
|
|
RC-3020 |
Design |
| 98-13 |
1995 |
1996 |
RA-2151(r) |
QC Manual Requirements |
| 98-12 |
1995 |
1996 |
RA-2231(b)(1) |
Use of Code Case 2203 in Repairs |
| 98-11 |
1995 |
1996 |
RA-3050 |
Owner-User Program Accreditation and Inspections |
| 98-10 |
1995 |
|
RC-1110 |
NDE Requirements for ASME Section I Tube Sheet Repairs |
| 98-09 |
1995 |
|
RB-3640 |
Inspection Requirements |
| 98-08 |
1995 |
1996 |
RD-2010 |
Repair Methods |
| 98-07 |
1995 |
1996 |
RA-2330(d) |
ASME Section XI Program Boundary Components |
| 98-06 |
1995 |
1996 |
RC-1090 |
Welding Non-Pressure Parts in a Pressure Retaining Item |
| 98-06 |
1995 |
1996 |
RD-1010 |
Alternative Methods of NDE |
| 98-05 |
1995 |
1996 |
Forward |
Determination of Repairs Must be Made |
| 98-04 |
1995 |
1996 |
RC-2031 |
Routine Repairs |
| 98-03 |
1995 |
|
RB-3238(f) |
Interrupted Service |
| 98-02 |
1995 |
1996 |
RA-2231 |
Conditions of Use |
| 98-01 |
1995 |
1997 |
RC-2031(a)(1) |
Attachments |
| Interpretation |
Edition |
Addenda |
Section |
Subject |
| 95-57 |
1995 |
1996 |
RB-3238(e) |
Above Ground Vessels |
| 95-56 |
1995 |
1996 |
RA-2231(b)(1) |
Acceptance of Code Cases 1923 & 1945 |
| 95-55 |
1995 |
1996 |
RB-3550 |
Operational Inspection |
| 95-54 |
1995 |
1996 |
RC-2050 |
Pressure Testing |
| 95-53 |
1995 |
|
RD-2031 |
Routine Repairs |
| 95-52 |
1995 |
1996 |
RD-2060 |
Patches, Figure 8 |
| 95-51 |
1995 |
1996 |
RC-1090 |
Weld Procedures/Qualified Welders |
| 95-50 |
1995 |
1996 |
RC-2072 & RC-3052 |
R-3, R-4, & Manufacturer's Partial Data Report |
| 95-49 |
1995 |
|
Appendix 6, B-17 |
P Numbers |
| 95-48 |
1995 |
|
RC-1020, RB-1050(a) & Appendix 6, B-6 |
R-1 Forms |
| 95-47 |
1995 |
|
RB-4020 |
Replacement Name Plates & National Board Numbers |
| 95-46 |
1995 |
|
Appendix 6, B-7 |
Examples of Repairs |
| 95-45 |
1995 |
|
Appendix 4 |
Repairs and Alterations |
| 95-44 |
1995 |
|
Appendix 6, C-5 |
Alterations |
| 95-43 |
1995 |
|
Appendix 5 |
Repairs |
| 95-42 |
1995 |
|
RC-2070 & RC-3050 |
R-1 & R-2 Forms |
| 95-41 |
1995 |
|
RC-1110 |
Indications in Excess of that Allowed by the Original Code of Construction |
| 95-40 |
1995 |
|
Appendix 5 |
Form R-2 |
| 95-39 |
1995 |
|
RC-2050 |
Pressure Testing of Routine Repairs |
| 95-38 |
1995 |
|
RB-3234 |
Inservice Pressure Test |
| 95-37 |
|
|
|
Withdrawn |
| 95-36 |
1995 |
|
RC-1020 |
Work Performed to a Code Other than the Original Code of Construction |
| 95-35 |
1992 |
1994 |
R-200 |
Welding of Tube Plugs |
| 95-34 |
1995 |
|
Appendix 4 |
Inspector Responsibilities |
| 95-33(a) |
1992 |
1994 |
Appendix C-R, 4.0 (f) |
Field Repairs in Other Shops Owned by the Certificate Holder |
| 95-33 |
1995 |
|
RC-2031(a)(2) |
Non-Load Bearing Attachments |
| 95-32 |
1995 |
|
RC-2050 |
Pressure Testing |
| 95-31 |
1995 |
|
RC-2031 |
Waiving the Inprocess Involvement of the Inspector |
| 95-30 |
1995 |
|
Data Report Forms |
API-510 Reporting and Inspector Involvement |
| 95-29 |
1995 |
|
RC-1070 |
Non National Board Member Jurisdiction Inspectors |
| 95-28 |
1995 |
|
RC-2031 |
R-1 Forms Inspector Involvement for Routine Repairs |
| 95-27 |
1995 |
|
RC-2031 |
Routine Repairs |
| 95-27 |
1995 |
|
RC-2050 |
Registration of R-1 Forms |
| 95-27 |
1995 |
|
RC-2060 |
Application of the "R" Symbol Stamp |
| 95-27 |
1995 |
|
RC-2072 |
Responsibility for Performing Pressure Test |
| 95-26 |
1995 |
|
RA-2262 |
Valve Nameplate Contents |
| 95-25 |
1995 |
|
Appendix 5 |
Inspectors Requirements for Form R-1 on Routine Repairs |
| 95-24 |
1995 |
|
Appendix 2 |
Nameplate Stamping and Layout |
| 95-23 |
1995 |
|
RC-1010 |
Documentation of Repairs to Non-Symbol Stamped Cargo Vessels |
| 95-22 |
1995 |
|
RC-3020 & RC-3021 |
Reclassification of Pressure Retaining Items |
| 95-21 |
1995 |
|
Appendix 4 |
Repairs to PWHT Vessels Without Subsequent PWHT |
| 95-20 |
1995 |
|
Foreword |
Use of Earlier Edition and Addenda |
| 95-19 |
1995 |
|
RC-1000 |
Original Code of Construction/Edition/Addenda |
| 95-18 |
1992 |
1994 |
Appendix C-NR & NR-1000 |
Scope and Applicability |
| 95-17 |
1992 |
1994 |
R-404 |
Documenting Repairs/Responsibility for Work Performed by Others |
| 95-16 |
1992 |
1994 |
R-302.1 |
Owner/User Supplied Weld Procedures |
| 95-15 |
1992 |
1994 |
R-307 |
Use of Replacement Parts/Assemblies from Other Inservice Vessels |
| 95-14 |
1992 |
1994 |
R-202 |
Repairs to PWHT Vessels without Subsequent PWHT |
| 95-13 |
1992 |
1994 |
U-106 |
Maximum Period between Inspection Intervals |
| 95-12 |
1992 |
1994 |
U-107 |
Inspection of Corrosion and Other Deterioration |
| 95-11 |
1992 |
1994 |
R-503 |
Re-rating of Complete Boilers or Pressure Vessels |
| 95-10 |
1992 |
1994 |
R-301.2.2 |
Owner User Acceptance Inspection of Repairs and Alterations |
| 95-09 |
1992 |
1994 |
Chapter III, Supplement 3 |
Welding Methods as an Alternative to Postweld Heat Treatment |
| 95-08 |
1992 |
1994 |
Appendix C-R |
Guide for Completing Form R-1 |
| 95-07 |
1992 |
1994 |
Appendix C-R, 3.0 |
Renewal of "R" Certificate of Authorization |
| 95-06 |
1992 |
1993 |
R-401.2.2 |
Access Openings |
| 95-05 |
1992 |
1993 |
Purpose and Scope |
When Does the NBIC Take Effect on New Boilers or Pressure Vessels |
| 95-04 |
1992 |
1993 |
U-107 |
Inspection for Corrosion and Other Deterioration |
| 95-03 |
1992 |
1993 |
R-200, R-404, R-505 |
Use of Similar & Non-Similar Base Metals/Repair-Alteration |
| 95-02 |
1992 |
1993 |
R-307 |
Use of R-Form When Replacing Parts with Different Materials without Welding |
| 95-01 |
All |
|
|
What Editions of the NBIC Governs |
| Interpretation |
Edition |
Addenda |
Section |
Subject |
| 94-2 |
1992 |
|
Chapter III, R-301.1 |
Inspector Approval for Routine Repairs |
| 94-1 |
1989 |
|
Chapter III |
Repair of Valves Covered by B31.1 |
| 93-6 |
1992 |
|
Chapter III |
Re-rating by Performing Radiography & Recalculating Joint Efficiency |
| 93-5 |
1992 |
|
Chapter III, R-503(d) |
Requirement for Pressure Test when Re-rating a Vessel |
| 93-4 |
1992 |
|
Chapter III, R-301.2 |
Owner User Acceptance Inspection of Alterations |
| 93-2 |
1992 |
|
|
Alterations |
| 93-1 |
1992 |
|
|
Requirements when More than One Inspector is Involved in a Repair |
| 92-7 |
1992 |
|
|
Alterations with Different Certificate Holders Performing Design Calculations and Physical Work |
| 92-6 |
1992 |
|
|
Out of State Organizations Performing Repairs |
| 92-5 |
1992 |
|
|
Alternative Requirements of NBIC when There is No Jurisdiction |
| 92-4 |
1992 |
|
Chapter III, Supplement 1 |
Replacement of Tubes with Equal or Greater Allowable Stress |
|
|
|