API 2A LRFD : 1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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RECOMMENDED PRACTICE FOR PLANNING, DESIGNING AND CONSTRUCTING FIXED OFFSHORE PLATFORMS - LOAD AND RESISTANCE FACTOR DESIGN
08-01-2019
01-01-1993
Policy
Foreword
Sec. A - Planning
A.1 General
A.2 Platform types
A.3 Operational considerations
A.4 Environmental considerations
A.5 Selecting the design conditions
A.6 Platform reuse
A.7 Exposure categories
A.8 Platform assessment
A.9 Safety Considerations
A.10 Regulations
Sec. B - Design requirements
B.1 Scope
B.2 Design for in-place conditions
B.3 Design for construction conditions
B.4 The strength and stability check
B.5 Structure analysis
B.6 Redundancy
B.7 Corrosion protection
B.8 Deformation loads
Sec. C - Loads
C.1 Scope
C.2 Gravity loads
C.3 Wind, wave and current loads
C.4 Earthquake loads
C.5 Fabrication and installation loads
Sec. D - Cylindrical member design
D.1 General
D.2 Cylindrical members under tension, compression
bending, shear or hydrostatic pressure
D.3 Cylindrical members under combined loads
D.4 Conical transitions
Sec. E - Connections
E.1 Connections of tension and compression members
E.2 Restraint and shrinkage
E.3 Tubular joints
Sec. F - Fatigue
F.1 Fatigue design
F.2 Fatigue analysis
F.3 S-N curves for members and connections, except for
tubular members
F.4 S-N curves for tubular connections
F.5 stress concentration factors
Sec. G - Foundation design
G.1 General
G.2 Pile foundations
G.3 Pile design
G.4 Pile capacity for axial bearing loads
G.5 Pile capacity for axial pullout loads
G.6 Axial pile performance
G.7 Soil reaction for axially loaded piles
G.8 Soil reaction for laterally loaded piles
G.9 Pile group action
G.10 Pile wall thickness
G.11 Length of pile sections
G.12 Shallow foundations
G.13 Stability of shallow foundations
G.14 Static deformation of shallow foundations
G.15 Dynamic behavior of shallow foundations
G.16 Hydraulic instability of shallow foundations
G.17 Installation and removal of shallow foundations
Sec. H - Structural components and systems
H.1 Superstructure design
H.2 Nontubular structural shapes
H.3 Crane supporting structure
H.4 Grouted pile-to-structure connection
H.5 Conductors
H.6 Guyline system design
Sec. I - Material
I.1 Structural steel
I.2 Structural steel pipe
I.3 Steel for tubular joints
I.4 Cement grout and concrete
Sec. J - Drawings and specifications
J.1 General
J.2 Conceptual drawings
J.3 Bid drawings and specifications
J.4 Design drawings and specifications
J.5 Fabrication drawings and specifications
J.6 Shop drawings
J.7 Installation drawings and specifications
J.8 As-built drawings and specifications
Sec. K - Welding
K.1 General
K.2 Qualifications
K.3 Welding
K.4 Records and documentation
Sec. L - Fabrication
L.1 Assembly
L.2 Corrosion protection
L.3 Structural material
L.4 Loadout
L.5 Records and documentation
Sec. M - Installation
M.1 General
M.2 Transportation
M.3 Removal of jacket from transport
M.4 Erection
M.5 Pile installation
M.6 Superstructure installation
M.7 Grounding of installation welding equipment
Sec. N - Inspection
N.1 General
N.2 Scope
N.3 Inspection personnel
N.4 Fabrication inspection
N.5 Loadout, seafastening, and transportation
inspection
N.6 Installation inspection
N.7 Inspection documentation
Sec. O - Surveys
O.1 General
O.2 Personnel
O.3 Survey levels
O.4 Survey frequency
O.5 Preselected survey areas
O.6 Records
Sec. P - Platform reuse
P.1 General
P.2 Reuse considerations
Sec. Q - Minimum structures
Q.1 General
Q.2 Design loads and analysis
Q.3 Connections
Q.4 Material
Sec. R - Assessment of Existing Platforms
R.1 General
R.2 Platform assessment initiators
R.3 Platform exposure categories
R.4 Platform assessment information - Surveys
R.5 Assessment process
R.6 Metoocean seismic, and ice criteria/loads
R.7 Structural analysis for assessment
R.8 Mitigation alternatives
R.9 References
Sec. S - Fire, Blast, and Accidental Loading
S.1 General
S.2 Load and resistance factors
S.3 Assessment process
S.4 Platform exposure category
S.5 Probability of occurrence
S.6 Risk assessment
S.7 Fire
S.8 Blast
S.9 Fire and blast interaction
S.10 Accidental loading
S.11 References
LRFD Commentary
1.0 Safety of offshore platforms
2.0 The LRFD format
3.0 RP2A-LRFD development
4.0 The beta calibration process
5.0 Summary of LRFD impacts on design
6.0 Glossary
Comm. A - Planning
A.3 Operational considerations
A.4 Environmental considerations
Comm. B - Design requirements
B.2 Design for in-place conditions
B.4 The strength and stability check
B.5 Structural analysis
B.6 Redundancy
B.8 Deformation loads
Comm. C - Loads
C.1 Scope
C.2 Gravity loads
C.3 Wind, wave and current loads
C.4 Earthquake loads
C.5 Fabrication and installation
C.6 Accidental loads
Comm. D - Cylindrical member design
D.1 General
D.2 Cylindrical members under tension, compression,
bending, shear or hydrostatic pressure
D.3 Cylindrical members under combined loads
Comm. E - Connections
E.1 Connections of tension and compression members
E.3 Tubular joints
Comm. F - Fatigue
F.0 Fatigue
F.1 Fatigue design
F.2 Fatigue analysis
F.4 S-N curves for tubular connections
F.5 Stress concentration factors
Comm. G - Foundation design
G.2 Pile foundations
G.4 Axial pile capacity in clay
G.6 Axial pile performance
G.8 Soil reaction for laterally loaded piles
G.9 Pile group action
G.13 Stability of shallow foundations: supplemental
alternatives
G.14 Static deformation of shallow foundations
G.15 Dynamic behavior of shallow foundations
G.17 Installation and removal of shallow foundations
Comm. H - Structural components and systems
H.1 Superstructure design
H.2 Nontubular structural shapes
H.4 Grouted pile-to-structure connections
H.5 Conductors
H.6 Guyline system design
Comm. I - Material
I.2 Structural steel pipe
Comm. K - Welding
K.2 Qualification
Comm. Q - Minimum structures
Q.2 Design loads and analysis
Comm. R - Assessment on Section R - Assessment of existing
platforms
R.1 General
R.2 Platform assessment initiators
R.4 Platform assessment information surveys
R.5 Assessment process
R.6 Metocean, seismic, and ice criteria/loads
R.7 Structural analysis for assessment
Comm. S - Fire, Blast, and Accidental Loading
S.2 Load and resistance factors
S.7 Fire
S.8 Blast
S.9 Fire and blast interaction
S.10 Accidental loading
References
Specifies engineering design principles and practices using LRFD design criteria for development of offshore oil resources. The LRFD provisions have been developed from the WSD provisions using reliability-based calibration.
DocumentType |
Standard
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PublisherName |
American Petroleum Institute
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Status |
Superseded
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SupersededBy |
I.S. EN ISO 19901-3:2014 | PETROLEUM AND NATURAL GAS INDUSTRIES - SPECIFIC REQUIREMENTS FOR OFFSHORE STRUCTURES - PART 3: TOPSIDES STRUCTURE (ISO 19901-3:2014) |
BS EN 1474-3:2008 | Installation and equipment for liquefied natural gas. Design and testing of marine transfer systems Offshore transfer systems |
ABS 0232 : 2016 | GUIDE FOR BUCKLING AND ULTIMATE STRENGTH ASSESSMENT FOR OFFSHORE STRUCTURES (LRFD VERSION) |
I.S. EN ISO 19901-2:2017 | PETROLEUM AND NATURAL GAS INDUSTRIES - SPECIFIC REQUIREMENTS FOR OFFSHORE STRUCTURES - PART 2: SEISMIC DESIGN PROCEDURES AND CRITERIA (ISO 19901-2:2017) |
BS EN ISO 19901-3:2014 | Petroleum and natural gas industries. Specific requirements for offshore structures Topsides structure |
BS EN ISO 19902 : 2007 | PETROLEUM AND NATURAL GAS INDUSTRIES - FIXED STEEL OFFSHORE STRUCTURES |
NACE SP 01 76 : 2007 | CORROSION CONTROL OF SUBMERGED AREAS OF PERMANENTLY INSTALLED STEEL OFFSHORE STRUCTURES ASSOCIATED WITH PETROLEUM PRODUCTION |
NACE RP 01 76 : 2003 | CORROSION CONTROL OF STEEL FIXED OFFSHORE STRUCTURES ASSOCIATED WITH PETROLEUM PRODUCTION |
14/30300516 DC : 0 | BS EN ISO 19901-3 - PETROLEUM AND NATURAL GAS INDUSTRIES - SPECIFIC REQUIREMENTS FOR OFFSHORE STRUCTURES - PART 3: TOPSIDES STRUCTURE |
API 2EQ : 2014 | SEISMIC DESIGN PROCEDURES AND CRITERIA FOR OFFSHORE STRUCTURES |
BS EN ISO 19905-1:2016 | Petroleum and natural gas industries. Site-specific assessment of mobile offshore units Jack-ups |
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I.S. EN ISO 19902:2007 | PETROLEUM AND NATURAL GAS INDUSTRIES - FIXED STEEL OFFSHORE STRUCTURES |
07/30092995 DC : 0 | BS EN ISO 19901-3 - PETROLEUM AND NATURAL GAS INDUSTRIES - SPECIFIC REQUIREMENTS FOR OFFSHORE STRUCTURES - PART 3: TOPSIDES STRUCTURE |
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09/30210211 DC : 0 | BS EN ISO 19905-1 - PETROLEUM AND NATURAL GAS INDUSTRIES - SITE-SPECIFIC ASSESSMENT OF MOBILE OFFSHORE UNITS - PART 1: JACK-UPS |
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BS 6349-2:2010 | Maritime works Code of practice for the design of quay walls, jetties and dolphins |
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