Engineering & Offshore

Engineering & Offshore Consultancy Services

List of Services

Offshore structural design and engineering analysis
Loadout, sea fastening, lashing calculation & mooring analysis for barges & ships
Transportation analysis of pipes & heavy equipment
Supervision of offshore pipeline installation & inspections
Marine Operation Manual Preparation for Jack ups
Offshore Installation Engineering
- Tow analysis and sea fastening/tie down design
- Mooring analysis (frequency domain/time domain methods)
- Engineered lift studies
- Rigging design and arrangement for offshore lifts
- Subsea structures deployment and recovery analysis
- Jacket launch, upending and docking analysis
- Loadout calculations
- Float over analysis for topside installation.
- Installation Engineering Feasibility studies
Subsea Pipeline and Flexible Engineering
- Pipeline installation analysis
- Cable/Umbilical/Flexible Installation analysis
- Beach pull engineering
- On bottom stability and free span assessment
- Global buckling assessment
- Riser analysis

Safety case for Offshore Structures Risk and Safety studies
Loss Prevention Studies
Reliability Studies
Process/Non Process Hazard Studies
Asset Management services
Simulation Services
HAZID
HAZOP
ENVID
PHSER
Working Environmental Analysis
SIMOPS/MOPO/BOWTIE
OHID/OHRA/HRA/HCA
QRA
Reliabilities Study
Loss prevention Activities
Noise and Vibration Studies

Specialized Rig Inspections
Rig Selection Survey Rig Condition Survey
Rig Acceptance Survey
Rig Intake and Rig Activations
Rules and Regulation Compliance

Project Management Consultancy
Specialized FPSO Topside Operations Team
Topside process consultancy
Marine side consultancy
Mooring Analysis for FPSOs

Subsea Architecture and field layout
Selection of production units for the field
Cost effective solution for field development

Tender Evaluation
Feasibility studies
Conceptual Design
Basic Design
Detailed Design
Hull 3D Modelling
CFD Analysis
Hull Structural design
Superstructure design
Outfit design
Piping design
Electrical design
Machinery selection & design
HVAC Design
Vessel Conversion Design
Vessel motion response analysis
Ship design and modifications
Stability analysis and documentation
Ballast water management planning
Marine propulsion and electrical consultancy
Computations and calculations under various IMO
Conventions, including Tonnage and Load Line
Fully digitalised drawings and electronic drafting
Electronic Drafting
Preparation of manuals including:
- CSM: Cargo Securing Manual
- GMP: Garbage Management Plan
- HSE: Health & Safety Executive Manual
- ISM: International Safety Management
- ISO: International Organization for Standardization
- ISPS: International Ship & Port Facility Security
- SOPEP: Shipboard Oil Pollution Emergency Plan
- SSP: Ship Security Plan

Structural scantling calculations
Vessel motion response analysis
Stability and longitudinal strength calculations
Steel renewal computations
Rule based calculations
Intact stability computations
Damage stability computations- Deterministic and probabilistic damage stability analysis
Stability booklets – Satisfies IMO / MARPOL / any other statutory stability criteria
Loading manual
Sea fastening calculations
Tonnage calculations
Freeboard calculations
Load line calculations
Inclining experiments
Deadweight survey
Towing Arrangement in compliance to OCIMF regulations

Vessel upgrade studies and structural modifications
Air gap analysis
Noise/Vibration Calculations
FINITE ELEMENT ANALYSIS (Linear and Non-Linear Analysis)
- Strength analysis of helideck, flare booms etc.
- Strength analysis of hull and underdeck for major outfitting like cranes, kingpost, boom rest.
- Strength analysis of bow-chocks for SPM.
- Strength analysis of hull and underdeck for mooring equipment’s such as winches, bollards, rollers.
- In-place, transit conditions of BWTS/ offshore containers.
- Lifting analysis of offshore containers, spreader beams.
- Strength analysis of ramps.
BEAM MODEL ANALYSIS
- Underdeck beam check of hull for lashing and deck strength check.
- Trolley beam check and design.
- Spreader beam check for lifting and design.
- Lifting analysis check for skids and design.
- Deckhouse analysis for BWTS/ CLo2 containers.
- Strength analysis of walkway platforms.
- Strength analysis of lifeboat platforms.
FIRST PRINCIPLE CALCULATIONS
- Pad eye check calculations.
- Weld check for sea-fastening.
- Bolt and Gusset plate check

Over 30 Years of Independent Market Insight, Expertise and Consistent Cost-Efficiencies

As an independently-owned global company, GMCG leads the way in providing engineering consultancy and expertise.

At GMCG, we understand the different markets and individual client challenges – from offshore engineering, safety, project management to inspections, surveys and cost management.

Our international expert teams have extensive hands-on experience, underpinned with a strong record for safety and quality within the shipbuilding, oil & gas engineering industries.

Our bespoke high-quality engineering solutions deliver proven cost-efficiencies across the maritime, oil and gas supply chain – onshore and offshore.

Click here to see several of our recet prestigious projects.

30+ years providing engineering, offshore, and design services
Dedicated teams of experienced marine engineers, naval architects, project managers and designers.
Global group with international offices in 15 locations
International certification: ISO Certified