ISO 19902-2020 PDF

Full title and description

ISO 19902:2020 — Petroleum and natural gas industries — Fixed steel offshore structures. This international standard specifies requirements and provides recommendations for the planning, design, fabrication, transportation, installation and, where relevant, removal of fixed steel offshore structures such as caissons, jackets, monotowers and towers, and it is also applicable to related bottom-founded and gravity structures and certain connected marine structures.

Abstract

The document defines structural requirements, design considerations (including actions for pre-service, in-place, accidental and abnormal situations), modeling and analysis provisions, member and joint strength, fatigue assessment and foundation design for fixed steel offshore structures used in the petroleum and natural gas industries. It cross-references other ISO series standards for topsides, marine operations, seismic and arctic-specific requirements where appropriate.

General information

• Status: Published
• Publication date: 12 November 2020
• Publisher: International Organization for Standardization (ISO)
• ICS / categories: 75.180.10 (Exploration, drilling and extraction equipment / offshore structures)
• Edition / version: Edition 2 (2020)
• Number of pages: 565

Scope

Applies to design and engineering requirements for new fixed steel offshore structures (including caissons, free‑standing and braced structures, jackets, monotowers and towers) and—where relevant—to compliant bottom‑founded structures, steel gravity structures, jack-ups and other related structures (for example underwater oil storage tanks and connecting bridges). It is intended for the full lifecycle activities of such structures from planning through installation and potential removal; site‑specific or environment‑specific matters (e.g., arctic design) are handled in related ISO standards.

Key topics and requirements

• General design principles and overall considerations for fixed steel offshore structures.
• Actions and load cases: pre-service, in-place, accidental and abnormal situations, and seismic considerations.
• Structural modelling, analysis methods and verification procedures.
• Strength criteria for tubular members and tubular joints; strength and fatigue resistance of other components.
• Fatigue assessment methods and detail category guidance.
• Foundation design for bottom-founded structures and geotechnical interface considerations.
• Requirements for fabrication, transportation, installation and removal planning.

Typical use and users

Used by offshore structural engineers, design offices, fabricators, project managers, certifying bodies and regulatory authorities involved in the design, assessment, construction and lifecycle management of fixed steel offshore platforms and related structures in the oil, gas and lower‑carbon energy sectors.

Related standards

Closely related ISO standards include ISO 19906 (arctic offshore structures), ISO 19901‑3 (topsides structures), ISO 19901‑6 (marine operations), ISO 19901‑9 (structural integrity management) and ISO 19905‑1 (site-specific jack-up assessment). The 2020 edition replaced ISO 19902:2007 (withdrawn). A committee draft for a next edition (ISO/CD 19902) has been issued for development.

Keywords

fixed steel offshore structures; jackets; caissons; monotowers; structural design; fatigue; tubular joints; foundation design; offshore standards; petroleum and natural gas industries.

FAQ

Q: What is this standard?

A: ISO 19902:2020 is the international standard that sets requirements and gives recommendations for fixed steel offshore structures used in the petroleum and natural gas industries, covering planning, design, fabrication, transport, installation and removal activities.

Q: What does it cover?

A: It covers types of fixed steel offshore structures (caissons, jackets, monotowers, towers), the applicable load cases (pre-service, in-service, accidental/abnormal and seismic), structural modelling and analysis, member and joint strength, fatigue, foundation design and lifecycle considerations for new structures and their removal when applicable.

Q: Who typically uses it?

A: Offshore structural engineers, fabrication yards, project and integrity managers, certifying agencies and regulators involved in offshore platform projects use this standard to ensure consistent design, safety and durability practices.

Q: Is it current or superseded?

A: ISO 19902:2020 is the current published edition (published November 2020) that superseded ISO 19902:2007 (withdrawn). A committee draft (ISO/CD 19902) exists for development of a future edition, indicating an active revision process.

Q: Is it part of a series?

A: Yes — it is part of the ISO 19900 series addressing offshore structures and related topics; many complementary documents in the series cover topsides, marine operations, arctic conditions, seismic design and structural integrity management.

Q: What are the key keywords?

A: Fixed steel offshore structures, jackets, caissons, fatigue, tubular joints, foundation design, offshore structural design, petroleum industry standards.