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Offshore Module Engineering

Topside Design

Offshore topside decks, process modules, equipment skids, flare booms, and certified helideck structures.

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TECHNICAL SCOPE OVERVIEW

Engineered for Structural Durability and Constructability

Offshore topsides are dense, complex facilities where structural engineering must integrate seamlessly with process piping, mechanical vessels, electrical rooms, and life safety systems. ODS engineers modular topside trusses, cellar and weather decks, cantilevered helidecks, and flare booms designed for harsh ocean operations.

Detailed Engineering Capabilities

Multi-deck main truss and plate girder framing systems
Heavy process vessel support skids and laydown area structural design
Cantilevered flare booms, bridge links, and crane pedestal engineering
Helideck structural design adhering to CAP 437 / ICAO standards
Module lifting, multi-point crane hook rigging, and COG analysis
Blast wall and fire barrier structural framing design

Typical Deliverables Issued

  • Topside Structural Design Criteria & Comprehensive Calculation Dossier
  • Deck Framing Plans, Plated Deck Details, and Equipment Interface Plates
  • Crane Pedestal and Helideck Structural Drawings
  • Lift Study Diagrams with Shackle, Sling, and Padeye Engineering
  • Weight Control Reports with Contingency Tracking

Frequently Asked Engineering Questions

Do you engineer certified helidecks?

Yes, we engineer steel and aluminum helidecks subjected to helicopter emergency landing loads, rotor downwash, and fire-fighting equipment requirements per CAP 437.

How do you handle equipment vendor data updates?

We employ rigorous interface management and weight control matrices to update deck plate stiffening and nozzle load transfers whenever vendor certified drawings change.

DESIGN CODES & STANDARDS

API RP 2A
AISC 360
CAP 437 (Offshore Helicopter Landing Areas)
ISO 19901-3 (Topsides Structure)

APPLICABLE SECTORS

Offshore Production Platforms (Wellhead, Process, Utility) FPSO Topsides Offshore High-Voltage Substations
ENGINEERING PROPOSAL

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Representative Case Studies Related to Topside Design

Oil & Gas (Offshore)

4-Leg Fixed Offshore Wellhead Jacket & Substructure

Complete structural engineering analysis and high-precision fabrication detailing for a 4-leg offshore wellhead jacket substructure in 45 meters water depth. Scope encompassed in-place storm analysis, pile foundation penetration, tubular joint punching shear checks, conductor guide trays, and sea-fastening calculations for barge transport.

1,450 MT [CLIENT TO CONFIRM] Inquire For Project →
ACCURATE • PRECISE • RELIABLE

Inquire About Our Topside Design Capabilities

Connect directly with our engineering department to discuss calculation criteria, drawing standards, and delivery timelines.

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Standard technical inquiry response within 24 business hours.