Industry
Offshore oil and gas platforms, where structural detailing and shop drawings are produced for yard fabrication and offshore modification.
Offshore facilities combine structural steelwork, access arrangements, equipment interfaces and modifications within demanding installation and operational environments. Documentation for a selected offshore work package may include steel framing and access drawings, specified connection and fabrication details, supported 3D model updates, material schedules and controlled revision records.
Assignments use the applicable project basis, owner specifications and approved offshore engineering inputs. They do not, by themselves, constitute offshore structural analysis, marine engineering or approval of platform integrity. Our senior team's offshore experience was gained within established offshore EPC and fabrication environments.
Civil and structural production work commonly commissioned for these facilities. Each item is delivered through one of our six services and scoped to the approved project inputs.
Our offshore scope is structural modelling, detailing and drawing production. We work from the design issued by the responsible engineering organization and convert it into fabrication and erection information, with existing offshore records used when modifying facilities.
The technical services most often commissioned for offshore energy facilities work, and what each contributes.
S023D Structural Modelling & Plant Model SupportOffshore structural models and existing-model updates.View service
S03Structural Steel Detailing & Fabrication DocumentationDetailed, shop and fabrication drawings with MTO for the yard.View service
S05Brownfield Structural Modifications & As-Built DocumentationModification packages for existing platforms.View serviceTypical inputs & constraints
Scope & responsibility
We produce drawings, models, detailing and documentation from approved design information. Design decisions, calculations and approvals remain with the responsible engineer.
Not included
Existing, removed and new structural drawings, tie-in details to the existing deck framing, and shop drawings with pieces sized for transport, lifting and access offshore. Weld and inspection categories are shown as specified by the designer, typically to AWS D1.1 or the project's own offshore structural specification.
Weight and space are tighter, so weight reports and the MTO matter more; most connections are welded rather than bolted; pieces must suit lifting and access limits; and coating and inspection requirements are usually more demanding. Weld categories and NDT extents are taken from the design and specification, not chosen at the detailing stage.
Yes. Point clouds or scan-derived models can be used to model existing steel and route new members around it. The drawings record which dimensions come from scans and which still need site verification before fabrication.
Offshore standards apply where the contract designates them; the scope of work records the applicable editions.
The scope of work records the applicable standards and editions for each package. A reference to a standard does not imply design verification or certification.
How standards are appliedISO
Fixed Steel Offshore Structures
ISO
Topsides Structure
AWS
Structural Welding Code — Steel
Client / EPC / asset owner
Client, EPC and Owner Standards and Project Specifications
Senior team experience. Photographs are representative industry images.
Send the scope of work, the design inputs and standards that apply, and your target schedule.
