CSA S471 : 2004

Technical Committee on General Requirements (S471),
Foundations (S472), and Sea Operations (S475)
Working Group on Accidental Loads
Working Group on Ice Accretion
Working Group on Ice Loads
Integration and Safety Check Working Group
Metocean Working Group
Seismic Working Group
Preface
1 Scope
  1.1 General
  1.2 Alternative design method
  1.3 Qualifications
  1.4 Mandatory language
2 Reference publications
3 Definitions and symbols
  3.1 Definitions
  3.2 Symbols
4 General requirements
  4.1 Coordination and design life
  4.2 Quality assurance
  4.3 Documentation
       4.3.1 General
       4.3.2 Environmental information
       4.3.3 Design drawings
       4.3.4 Shop details
       4.3.5 As-built drawings
  4.4 Design principles
       4.4.1 Objectives
       4.4.2 Safety classes
       4.4.3 Reliability levels
  4.5 Design methods
       4.5.1 Limit states design
       4.5.2 Probabilistic design methods
       4.5.3 Limit states
       4.5.4 Verification of safety
       4.5.5 System ductility and reserve capacity for rare and
             accidental loads
       4.5.6 Verification of serviceability
       4.5.7 Structural analysis
  4.6 Mitigation and prevention of accidental events
  4.7 Ancillary components
  4.8 Air gap
  4.9 Surface drainage
  4.10 Ice ride-up or ride-down
  4.11 Ice management
  4.12 Scour
  4.13 Lightning protection
  4.14 Corrosion protection
  4.15 Access for inspection and reference marking
  4.16 Decommissioning
5 Environmental conditions
  5.1 General
  5.2 Meteorology
       5.2.1 Wind
       5.2.2 Air and sea temperature
       5.2.3 Snow and ice accretion
       5.2.4 Other meteorological information
  5.3 Oceanography
       5.3.1 Wind-generated waves
       5.3.2 Other waves
       5.3.3 Spray
       5.3.4 Currents
       5.3.5 Water level
       5.3.6 Water mass properties
       5.3.7 Marine growth
  5.4 Sea ice and icebergs
       5.4.1 General
       5.4.2 Ice types and zones
       5.4.3 Ice movement rates
       5.4.4 Ice properties
  5.5 Seabed geology
  5.6 Earthquakes
       5.6.1 General
       5.6.2 Earthquake hazard investigations
       5.6.3 Earthquake design data
6 Loads and load combinations
  6.1 General
  6.2 Permanent loads, G
       6.2.1 General
       6.2.2 Categories of dead loads
       6.2.3 Categories of deformation loads
       6.2.4 Determination of permanent loads
  6.3 Operational loads, Q
       6.3.1 Categories of operational loads
       6.3.2 Determination of operational loads
       6.3.3 Physically limited operational loads
  6.4 Accidental loads, A
       6.4.1 General
       6.4.2 Categories of accidental events
       6.4.3 Determination of accidental loads
  6.5 Environmental loads, E
       6.5.1 General
       6.5.2 Categories of frequent environmental processes
       6.5.3 Categories of rare environmental events
  6.6 Loads based on frequent environmental processes
  6.7 Loads based on rare environmental events
  6.8 Companion frequent environmental processes
  6.9 Environmental loads for design life phases of short
       duration
  6.10 Determination of wind loads
  6.11 Determination of wave and current loads
  6.12 Determination of ice loads
  6.13 Determination of seismic effects
  6.14 Load factors and load combinations
Annexes
A - Safety classes
B - Sources of environmental information
C - Determination of wind loads
D - Determination of wave and current loads
E - Determination of ice loads
F - Earthquakes
G - Relevant Standards and other publications
H - Accidental loads
I - Ice accretion on offshore structures
Tables

Specifies minimum requirements for and provides guidance on design principles, safety levels, and loads in connection with the design, construction, transportation, installation, and decommissioning of offshore structures.