Ship Design & Offshore Engineering
Liyan Marine delivers integrated ship design and marine engineering solutions from concept development, feasibility assessment through to detailed engineering, regulatory approvals, construction support, and project delivery.
With a strong focus on technical excellence, innovation, and operational practicality, we partner with shipyards, vessel owners, and marine operators to develop efficient, compliant, and commercially viable solutions tailored to complex marine environments.
Our multidisciplinary capabilities combine advanced engineering expertise with hands-on industry experience, enabling us to deliver high-quality outcomes across newbuild, retrofit, and vessel upgrade projects.
Ship Design & Engineering Services
New Vessel Design
Concept through detailed design for commercial and specialised vessels.
We provide comprehensive new vessel design solutions, encompassing concept studies, preliminary design, detailed design, and optimisation for a broad range of commercial and specialised vessels.
Our New Design service delivers customised vessel solutions tailored to diverse maritime applications, with a strong focus on performance, efficiency, sustainability, and operational reliability. We specialise in developing innovative, environmentally responsible designs that align with each client's unique operational requirements and business objectives.
From initial concept development through to final design documentation, our experienced team combines advanced engineering tools with extensive maritime expertise to create vessels that maximise operational capability, efficiency, and long-term economic value.
Safety and performance are integral to every project. Our rigorous design process incorporates comprehensive stability assessments, accurate inclining experiments, and thorough technical analysis to ensure regulatory compliance, operational safety, and dependable vessel performance throughout its service life.
Vessel Modifications & Retrofit Engineering
Conversions, upgrades, and life-extension engineering for existing vessels.
We provide comprehensive engineering solutions for vessel conversions, upgrades, refurbishment programs, operational enhancements, and life-extension initiatives across a wide range of commercial and specialised vessels.
Our engineering team specialises in delivering bespoke conversion and retrofit solutions that enable vessels to meet evolving operational requirements, regulatory standards, and market demands. By combining client-specific objectives with advanced engineering expertise, we develop practical, cost-effective solutions that maximise asset value and operational capability.
Our services encompass feasibility studies, stability assessments, structural design, machinery and systems upgrades, and performance optimisation. Through a collaborative and technically rigorous approach, we ensure each project achieves enhanced efficiency, regulatory compliance, safety, and long-term operational reliability.
From concept development through detailed engineering and implementation support, we deliver tailored solutions that extend vessel service life, improve operational performance, and support sustainable maritime operations.
Advanced Engineering Analysis
Structural, hydrodynamic, and performance analysis backed by proven methods.
We provide specialist engineering analysis and technical assessment services to support the safe, efficient, and reliable operation of commercial and specialised vessels.
Our expertise encompasses structural analysis, finite element analysis (FEA), stability assessments, load calculations, strength evaluations, and performance optimisation studies. Through the application of advanced engineering tools and proven analytical methodologies, we deliver accurate, data-driven insights that support informed decision-making throughout a vessel's lifecycle.
Our engineering assessments are tailored to address specific operational, regulatory, and project requirements, enabling clients to identify opportunities for performance improvement, verify structural integrity, manage risk, and ensure compliance with applicable standards.
From concept validation and design verification to operational performance reviews and life-extension assessments, we provide practical engineering solutions that enhance safety, reliability, efficiency, and long-term asset value.
Our Expertise Covers:
- Structural stress analysis
- Pipe stress analysis
- Hydrodynamic and Computational Fluid Dynamics (CFD) analysis, including hull resistance and propeller-hull interaction
- Mooring analysis
- Lifting and turning analysis
- Steel weight optimisation
- Fatigue life prediction
- Global hull strength assessment
- Vibration analysis to ensure long-term durability and performance
Detailed Design & Engineering Documentation
Build-ready drawings, 3D models, and technical specifications.
Our detailed design phase translates approved concepts into precise, build-ready engineering documentation. We prepare comprehensive drawing packages, 3D models, and system integration layouts that give shipyards and stakeholders a clear, accurate basis for construction and procurement.
Every deliverable is developed to meet classification society and regulatory requirements, ensuring a smooth transition from design approval to fabrication. Our documentation standards minimise rework, support accurate material take-offs, and keep projects on schedule and on budget.
This section includes:
- Detailed structural and arrangement drawings
- 3D modelling and system integration layouts
- Technical specifications
- Construction and procurement packages
Regulatory and Class Approval Support
Compliance support across all major classification societies and codes.
Our capabilities extend to compliance with leading classification requirements, applicable codes, standards, and guidelines.
We provide comprehensive support for submissions, approvals, and compliance processes across domestic and international regulatory authorities and classification bodies.
- NCSV/AMSA, IACS, IMO, SOLAS, ASME, API, ISO, and others
- Lloyd's Register (LR) – UK
- DNV – Norway
- American Bureau of Shipping (ABS) – USA
- Bureau Veritas (BV) – France
- Nippon Kaiji Kyokai (ClassNK) – Japan
- Indian Register of Shipping (IRS) – India
Production Engineering & Shop Detailing
Production-ready documentation that drives efficient shipyard execution.
Our vessel production engineering service transforms conceptual designs into detailed engineering specifications and production-ready documentation.
Development of production-focused engineering deliverables, workshop drawings, fabrication packages, and construction support documentation to facilitate efficient shipyard execution.
We plan, coordinate, and execute shipbuilding activities with a strong focus on efficiency, sustainability, and performance. Through continuous improvement and innovation, we ensure high-quality vessel construction, delivering optimal functionality and build accuracy at every stage.
Our production work packaging includes, but is not limited to:
- Workshop and fabrication drawings
- Nesting and cutting packages
- Pipe and outfitting spool drawings
- Material take-offs and procurement support
- Construction sequencing and work packages
Construction and Project Management
Experienced Project Managers backed by a structured PMO.
Liyan Marine brings extensive, hands-on experience in managing a wide range of projects, varying in size and complexity, ensuring alignment with project objectives, quality standards, schedule requirements, and stakeholder expectations.
We provide highly capable Project Managers, supported by a well-organised Project Management Office (PMO) and guided by proven methodologies and structured processes.
Our Project Managers each possess over 20 years of experience and are trained in the latest project management tools and techniques. This depth of expertise ensures efficient execution, effective risk management, and successful project delivery across all stages.
Shipyard / Client Liaison & Technical Coordination
Dedicated coordination between owners, shipyards, suppliers, and Class.
Dedicated technical coordination between owners, shipyards, suppliers, and regulatory bodies to support seamless communication, efficient problem-solving, procurement, construction, and Class liaison for successful project delivery.
We represent you at any stage of the project and work toward the optimal resolution.
Marine & Offshore Engineering
Drawing on experience spanning the marine, shipping and offshore sectors.
- Stability Analysis
- Lift Engineering
- Transport Engineering
- Mooring Engineering
- Motions & Seakeeping
- Deck Equipment
Our Deliverables
We provide comprehensive marine design services covering the full project scope, from concept through to class approval.
- Lightship weight, deadweight, payload calculations
- Optimal structural design
- Finalised general arrangement
- Hydrostatics & stability calculations
- Main scantling computations
- Hull and structural components design
- Piping systems design / layouts / arrangements
- Equipment selection and arrangement
- Mechanical integration and instrumentation
- Superstructure and accommodation design
- Electrical and hydraulic systems integration
- Propulsion systems
- Outfits and ancillary systems
- Operational and maintenance documentation
- Calculations, drawings and documentation
- Class approvals
Ready to Start Your Project?
Get in touch with our engineering experts today for a comprehensive quotation tailored to your requirements.
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