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ASME BPVC - III - 1 - NF -2021 BPVC Section III, Rules for Construction of Nuclear Facility Components, Division 1, Subsection NF, Supports, 2021
- TABLE OF CONTENTS
- LIST OF SECTIONS
- INTERPRETATIONS
- CODE CASES
- FOREWORD
- STATEMENT OF POLICY ON THE USE OF THE ASME SINGLE CERTIFICATION MARK AND CODE AUTHORIZATION IN ADVERTISING
- STATEMENT OF POLICY ON THE USE OF ASME MARKING TO IDENTIFY MANUFACTURED ITEMS
- SUBMITTAL OF TECHNICAL INQUIRIES TO THE BOILER AND PRESSURE VESSEL STANDARDS COMMITTEES
- PERSONNEL
- ORGANIZATION OF SECTION III [Go to Page]
- 1 GENERAL
- 2 SUBSECTIONS
- 3 ARTICLES
- 4 SUBARTICLES
- 5 SUBSUBARTICLES
- 6 PARAGRAPHS
- 7 SUBPARAGRAPHS
- 8 SUBSUBPARAGRAPHS
- 9 REFERENCES
- SUMMARY OF CHANGES
- LIST OF CHANGES IN RECORD NUMBER ORDER
- CROSS-REFERENCING AND STYLISTIC CHANGES IN THE BOILER AND PRESSURE VESSEL CODE
- Article NF-1000 Introduction [Go to Page]
- NF-1100 Scope and General Requirements [Go to Page]
- NF-1110 Aspects of Construction Covered by These Rules
- NF-1120 Rules for Supports and Their Classification
- NF-1130 Boundaries of Jurisdiction
- NF-1200 Types of Supports and Attachments [Go to Page]
- NF-1210 Types of Supports
- NF-1230 Welding Between Types of Supports
- NF-1240 Attachments
- Article NF-2000 Material [Go to Page]
- NF-2100 General Requirements for Material [Go to Page]
- NF-2110 Scope of Principal Terms Employed
- NF-2120 Support Material
- NF-2130 Certification of Material
- NF-2140 Welding Material
- NF-2150 Material Identification
- NF-2160 Deterioration of Material in Service
- NF-2170 Heat Treatment to Enhance Impact Properties
- NF-2180 Procedures for Heat Treatment of Material
- NF-2200 Material Test Coupons and Specimens for Ferritic Steel Material [Go to Page]
- NF-2210 Heat Treatment Requirements
- NF-2220 Procedure for Obtaining Test Coupons and Specimens for Quenched and Tempered Material
- NF-2300 Fracture Toughness Requirements for Material [Go to Page]
- NF-2310 Material to Be Impact Tested
- NF-2320 Impact Test Procedures
- NF-2330 Test Requirements and Acceptance Standards
- NF-2340 Number of Impact Tests Required
- NF-2350 Retests
- NF-2360 Calibration of Instruments and Equipment
- NF-2400 Welding Material [Go to Page]
- NF-2410 General Requirements
- NF-2420 Required Tests
- NF-2430 Weld Metal Tests
- NF-2440 Storage and Handling of Welding Material
- NF-2500 Examination and Repair of Material [Go to Page]
- NF-2510 Examination and Repair of Material Other Than Bolting
- NF-2520 Required Examination and Acceptance Standards for Class 1 Springs
- NF-2530 Required Examination and Acceptance Standards for Coiled Wire Rope Used as a Spring
- NF-2580 Examination of Bolting Material and Rods
- NF-2600 Material Manufacturer’s Quality System Programs [Go to Page]
- NF-2610 Documentation and Maintenance of Quality System Programs
- Article NF-3000 Design [Go to Page]
- NF-3100 General Design Requirements [Go to Page]
- NF-3110 Loading Criteria
- NF-3120 Design Considerations
- NF-3130 General Design Requirements
- NF-3140 General Design Procedures
- NF-3200 Design Rules for Plate- and Shell-Type Supports [Go to Page]
- NF-3210 General Requirements
- NF-3220 Design by Analysis for Class 1
- NF-3250 Design by Analysis for Class 2 and MC
- NF-3260 Design by Analysis for Class 3
- NF-3270 Experimental Stress Analysis
- NF-3280 Design by Load Rating
- NF-3300 Design Rules for Linear-Type Supports [Go to Page]
- NF-3310 General Requirements
- NF-3320 Design by Linear Elastic Analysis for Class 1
- NF-3330 High Cycle Fatigue Design for Class 1
- NF-3340 Limit Analysis Design for Class 1
- NF-3350 Design by Analysis for Class 2 and MC
- NF-3360 Design by Analysis for Class 3
- NF-3370 Experimental Stress Analysis
- NF-3380 Design by Load Rating
- NF-3400 Design Rules for Standard Supports [Go to Page]
- NF-3410 General Requirements
- NF-3420 Design by Analysis for Class 1
- NF-3450 Design by Analysis for Class 2
- NF-3460 Design by Analysis for Class 3
- NF-3470 Design by Experimental Stress Analysis
- NF-3480 Procedure for Load Rating
- NF-3500 Design Rules for Component Supports [Go to Page]
- NF-3510 General Requirements
- NF-3520 Design by Analysis for Class 1
- NF-3550 Design by Analysis for Class 2, 3, and MC
- NF-3570 Experimental Stress Analysis
- NF-3580 Design by Load Rating
- NF-3600 Design Rules for Piping Supports [Go to Page]
- NF-3610 General Requirements
- NF-3620 Design by Analysis for Class 1
- NF-3650 Design by Analysis for Class 2 and 3
- NF-3670 Experimental Stress Analysis
- NF-3680 Design by Load Rating
- Article NF-4000 Fabrication and Installation [Go to Page]
- NF-4100 General Requirements [Go to Page]
- NF-4110 Introduction
- NF-4120 Certification of Materials and Fabrication by Support Certificate Holder
- NF-4130 Repair of Material
- NF-4200 Forming, Fitting, and Aligning [Go to Page]
- NF-4210 Cutting, Forming, and Bending
- NF-4220 Support Tolerances
- NF-4230 Fitting and Aligning
- NF-4240 Requirements for Welded Joints
- NF-4300 Welding Qualifications [Go to Page]
- NF-4310 General Requirements
- NF-4320 Welding Qualifications and Records
- NF-4330 General Requirements for Welding Procedure Qualification Tests
- NF-4400 Rules Governing Making and Repairing Welds [Go to Page]
- NF-4410 Precautions to Be Taken Before Welding
- NF-4420 Rules for Making Welded Joints
- NF-4430 Welding of Attachments
- NF-4440 Special Requirements for Welding
- NF-4450 Repair of Weld Metal Defects
- NF-4500 Brazing [Go to Page]
- NF-4510 Rules for Brazing
- NF-4600 Heat Treatment [Go to Page]
- NF-4610 Welding Preheat and Interpass Requirements
- NF-4620 Postweld Heat Treatment
- NF-4660 Heat Treatment of Electroslag Welds
- NF-4700 Requirements for Bolted Construction [Go to Page]
- NF-4710 Bolting and Threading
- NF-4720 Bolting
- Article NF-5000 Examination [Go to Page]
- NF-5100 General Requirements for Examination [Go to Page]
- NF-5110 Procedures, Qualifications, and Evaluations
- NF-5120 Time of Examination of Welds
- NF-5200 Required Examination of Welds [Go to Page]
- NF-5210 Examination of Class 1 Support Welds
- NF-5220 Examination of Class 2 and MC Support Welds
- NF-5230 Examination of Class 3 Support Welds
- NF-5240 Inertia and Continuous Drive Friction Welds
- NF-5300 Acceptance Standards [Go to Page]
- NF-5320 Radiographic Acceptance Standards
- NF-5330 Ultrasonic Acceptance Standards
- NF-5340 Magnetic Particle Acceptance Standards
- NF-5350 Liquid Penetrant Acceptance Standards
- NF-5360 Visual Acceptance Standards
- NF-5500 Qualifications and Certification of Nondestructive Examination Personnel [Go to Page]
- NF-5510 General Requirements
- NF-5520 Personnel Qualification, Certification, and Verification
- NF-5530 Records
- Article NF-8000 Certificates of Authorization and Certification Documents [Go to Page]
- NF-8100 General Requirements
- MANDATORY APPENDIX NF-I ADDITIONAL MATERIAL FOR SUPPORTS
- ARTICLE NF-I-1000 Introduction [Go to Page]
- NF-I-1100 Scope
- NF-I-1200 General Requirements
- ARTICLE NF-I-2000 Materials [Go to Page]
- NF-I-2100 General
- NF-I-2200 Requirements [Go to Page]
- NF-I-2210
- NF-I-2220
- NF-I-2230
- NF-I-2240
- ARTICLE NF-I-3000 Welding [Go to Page]
- NF-I-3100 General [Go to Page]
- NF-I-3110
- NF-I-3200 Welding Qualifications [Go to Page]
- NF-I-3210
- NF-I-3220
- NF-I-3300 Additional Requirements [Go to Page]
- NF-I-3310
- NF-I-3320
- NF-I-3330
- NF-I-3340
- NF-I-3400 Requirements for S-Number Materials [Go to Page]
- NF-I-3410
- NF-I-3500 Specific Requirements for S-Number 12 Group Number 1 Materials [Go to Page]
- NF-I-3510 Preheat
- NF-I-3520 Postweld Heat Treatment
- NF-I-3530 Impact Test Requirements
- MANDATORY APPENDIX NF-II DESIGN OF SINGLE ANGLE MEMBERS
- ARTICLE NF-II-1000 Introduction [Go to Page]
- NF-II-1100 Scope
- NF-II-1200 General Requirements
- ARTICLE NF-II-2000 Nomenclature
- ARTICLE NF-II-3000 Design Requirements [Go to Page]
- NF-II-3100 General
- NF-II-3200 Tension
- NF-II-3300 Shear
- NF-II-3400 Compression
- NF-II-3500 Flexure [Go to Page]
- NF-II-3510 Allowable Bending Stress
- NF-II-3520 Bending About Geometric Axes
- NF-II-3530 Bending About Principal Axes
- NF-II-3600 Combined Stresses [Go to Page]
- NF-II-3610 Axial Compression and Flexure
- NF-II-3620 Axial Tension and Bending
- MANDATORY APPENDIX NF-III ENERGY-ABSORBING SUPPORT MATERIAL
- ARTICLE NF-III-1000 General Requirements
- ARTICLE NF-III-2000 Material Requirements
- ARTICLE NF-III-3000 Design
- ARTICLE NF-III-4000 Fabrication
- NONMANDATORY APPENDIX NF-A STRUCTURAL BOLT PRELOADING
- ARTICLE NF-A-1000 INTRODUCTION [Go to Page]
- NF-A-1100 Scope
- NF-A-1200 Discussion
- NF-A-1300 Bolt Tightening (Preload Methods) [Go to Page]
- NF-A-1310 Torque Wrenches
- NF-A-1320 Turn-of-the-Nut
- NF-A-1330 Load-Indicating Washers
- NF-A-1340 Strain Gages
- NF-A-1350 Fastener Elongation/Extension
- NONMANDATORY APPENDIX NF-B DESIGN ALLOWABLE STRESSES FOR PLATE AND SHELL AND LINEAR-TYPE SUPPORTS
- ARTICLE NF-B-1000 INTRODUCTION [Go to Page]
- NF-B-1100 Objective
- NF-B-1200 Scope
- ARTICLE NF-B-2000 Linear Supports — Method for Establishing Allowable Stresses [Go to Page]
- NF-B-2100 Responsibility for Assigning Yield and Ultimate Strength Values
- NF-B-2200 Tension Member Allowable Stress
- NF-B-2300 Beam Bending Allowable Stress
- NF-B-2400 Compression Member Allowable Stress
- NF-B-2500 Beam-Column Allowable Stress
- NF-B-2600 Bolting Allowable Stress
- ARTICLE NF-B-3000 Plate and Shell Supports — Allowable Stresses
- ARTICLE NF-B-4000 Materials With Low Ratios of Tensile to Yield Strength
- ARTICLE NF-B-5000 Special Consideration [Go to Page]
- NF-B-5100 Copper-Based Alloys
- NF-B-5200 Stainless Steel
- NF-B-5300 Nonductile Behavior and Stress Corrosion Cracking
- NONMANDATORY APPENDIX NF-C DESIGN BASIS FOR LINEAR-TYPE SUPPORTS
- ARTICLE NF-C-1000 Introduction [Go to Page]
- NF-C-1100 Objective
- NF-C-1200 Scope
- ARTICLE NF-C-2000 Material Availability and Requirements Differences
- ARTICLE NF-C-3000 AISC Paragraph Selections
- ARTICLE NF-C-4000 Cross-Reference to AISC
- NONMANDATORY APPENDIX NF-D TOLERANCES
- ARTICLE NF-D-1000 Introduction [Go to Page]
- NF-D-1100 Objective
- NF-D-1200 Scope
- NF-D-1300 General Requirements [Go to Page]
- NF-D-1310 Material
- NF-D-1320 Fabrication Tolerances
- NF-D-1330 Installation Tolerances
- NONMANDATORY APPENDIX NF-E DAMPERS, ENERGY ABSORBERS, AND SNUBBERS
- ARTICLE NF-E-1000 [Go to Page]
- NF-E-1100 Scope and Definitions [Go to Page]
- NF-E-1110 Scope
- NF-E-1120 Definitions
- NF-E-1200 Dampers [Go to Page]
- NF-E-1210 Description
- NF-E-1220 Function
- NF-E-1230 Applications
- NF-E-1240 Modeling
- NF-E-1300 Energy Absorbers [Go to Page]
- NF-E-1310 Description
- NF-E-1320 Function
- NF-E-1330 Applications
- NF-E-1340 Modeling
- NF-E-1400 Snubbers [Go to Page]
- NF-E-1410 Description
- NF-E-1420 Function
- NF-E-1430 Applications
- NF-E-1440 Modeling
- Figures [Go to Page]
- Figure NF-1132-1 Typical Examples of Jurisdictional Boundaries Between Supports and the Building Structure
- Figure NF-1214-1 Typical Standard Support Units
- Figure NF-2311(b)-1 Impact Test Exemption Curves for Materials for Class 2, 3, and MC Supports
- Figure NF-2331(a)-1 Required Cv Energy Values for Class 2 and MC Support Material Other Than Bolting
- Figure NF-2331(a)-2 Required Cv Energy Values for Class 3 Support Material Other Than Bolting
- Figure NF-2433.1-1 Delta Ferrite Content
- Figure NF-3226.1-1 Permissible Welded Joints for Class 1 Plate‐ and Shell‐Type Supports
- Figure NF-3226.1(a)-1 Typical Weld Details Referenced
- Figure NF-3226.1(a)-2 Butt Welding of Plates of Unequal Thickness
- Figure NF-3256.1-1 Permissible Welded Joints for Class 2, 3, and MC Plate‐ and Shell‐Type Supports
- Figure NF-3322.8-1 Dimensional Requirements for Eyebars
- Figure NF-3322.8-2 Dimensional Requirements for Pin‐Connected Plates
- Figure NF-3324.1(a)(1) Typical Friction‐Type Connections Using High-Strength Bolts
- Figure NF-3332.3-1 Illustrative Examples
- Figure NF-3426.1-1 Additional Permissible Welded Joints for Class 1 Standard Supports
- Figure NF-3626(a)-1 Additional Permissible Welded Joints for Class 1 Piping
- Figure NF-4427-1 Fillet Weld Dimensions
- Figure NF-4441-1 Weld Joint Producing Through‐Thickness Loading
- Figure NF-II-3510 Equal Leg Single Angle Limits for Fb = 0.66Sy (Reprinted With Permission of AISC)
- Figure NF-A-1311
- Figure NF-B-2400-1 Effective Length Factor for Various End Conditions
- Figure NF-B-2400-2 Alignment Chart for Effective Length of columns in Continuous Frames
- Tables [Go to Page]
- Table NF-2121(a)-1 Material Tables Required for Supports
- Table NF-2311(b)-1 Exemptions From Impact Testing Under NF-2311(b)(9) and NF-2311(b)(10) for Material Thickness to 21⁄2 in. (64 mm), Inclusive
- Table NF-2331(a)-1 Required Cv Lateral Expansion Values for Class 1 Support Material Other Than Bolting
- Table NF-2331(a)-2 Required Cv Lateral Expansion Values for Class 2 and MC Support Material Other Than Bolting
- Table NF-2331(a)-3 Required Cv Lateral Expansion Values for Class 3 Support Material Other Than Bolting
- Table NF-2331(a)-4 Required Cv Energy Values for Class 1 Support Material Other Than Bolting
- Table NF-2333-1 Required Cv Values for Bolting Material
- Table NF-2432.1-1 Sampling of Welding Materials for Chemical Analysis
- Table NF-2432.2(a)-1 Welding Material Chemical Analysis
- Table NF-3131(a)-1 Reference Paragraphs for Procedures for Design of Component Supports, Piping Supports, and Standard Supports
- Table NF-3221.2-1 Elastic Analysis Stress Categories and Stress Limit Factors for Class 1 Plate‐ and Shell‐Type Supports Designed by Analysis
- Table NF-3223.5-1 Values of K for Various Boundary Conditions and a/b Ratios
- Table NF-3225.2-1 Stress Limit Factors for Class 1, 2, 3, and MC Bolt Design by Analysis
- Table NF-3251.2-1 Elastic Analysis Stress Categories and Stress Limit Factors for Class 2, 3, and MC Plate‐ and Shell‐Type Supports Designed by Analysis
- Table NF-3312.1(b)-1 Elastic Analysis Stress Categories and Stress Limit Factors for Class 1, 2, 3, and MC Linear-Type Supports Designed by Analysis
- Table NF-3322.2(e)(2)-1 Limiting Proportions for Channels and Tees
- Table NF-3324.5(a)-1 Allowable Stress Limits for Class 1 Linear‐Type Support Welds
- Table NF-3324.6(a)(4)-1 Effective Slip Coefficient Versus Surface Condition
- Table NF-3324.6(b)(1)-1 Minimum Edge Distances From Center of Standard Hole
- Table NF-3332.2-1 Classification of Loading Conditions
- Table NF-3332.3-1 Stress Categories
- Table NF-3332.4-1 Allowable Stress Ranges
- Table NF-3611-1 Suggested Piping Support Spacing
- Table NF-4232-1 Maximum Allowable Offset in Final Butt-Welded Joints
- Table NF-4622.1-1 Mandatory Requirements for Postweld Heat Treatment (PWHT) of Welds
- Table NF-4622.4(c)-1 Alternative Holding Temperatures and Times
- Table NF-4622.7(b)-1 Exemptions to Mandatory PWHT
- Table NF-4622.7(b)-2 Additional Exemptions to Mandatory PWHT
- Table NF-4721(a)-1 Bolt Hole Sizes
- Table NF-4721(b)-1 Tolerances on Oversized Holes
- Table NF-I-2100-1 Design Stress Intensity (Sm), Maximum Allowable Stress (S), Yield Strength (Sy), and Tensile Strength (Su) Values
- Table NF-I-2100-1 MDesign Stress Intensity (Sm), Maximum Allowable Stress (S), Yield Strength (Sy), and Tensile Strength (Su) Values
- Table NF-I-2100-2 ASTM Specifications
- Table NF-II-3532-1 Bw Values for Angles
- Table NF-B-4000 Factors of Safety for a Material With a Low Value of Su/Sy Ratio
- Table NF-C-4000 Design Basis for Linear‐Type Supports
- Table NF-D-1320-1 Clamp Tolerances
- Table NF-D-1330-1 Local Installation Tolerances for Supports
- ENDNOTES [Go to Page]
