Design Services

Concept Design

Feasibility study and Economic analysis 

Detailed study of a project to assess its economic feasibility and functional needs. 

Concept Design  

• Preparation of Technical specification, Makers list 
• Preparation of General arrangement, Resistance and powering calculations, Lightship weight estimation 
• Analysis of specification and hull design assistance in early project stage 
• Preparation of interior arrangements  

Initial Design & Basic Design

Hull surface optimization 

• Hull form design
• Hull optimization using CFD (Computational Fluid Dynamics)

Resistance & Propulsion 

• Resistance calculation by empirical, RANS solver and model test
• Determining engine power, selection of propulsion
• Propeller design

Model testing & Analysis 

• Model making and testing
• Resistance test, Propeller test, Paint flow test, Cavitation test
• Analysis of result and optimization

Seakeeping & Manoeuvring 

• Manoeuvring calculation
• Design of rudder and other devices
• Model test and analysis
• Mooring analysis

Stability Analysis 

• Intact stability, Damage stability
• Launching calculation
• Inclining experiment and stability documentation

Structural Design  

• Isometric drawings
• Nesting drawings
• Hull Structural Model
• Assembly drawings
• Welding details
• Bill of Material

Machinery & Piping Design

• Isometric Drawings
• Piping Layout and Pipe Routing Drawings
• Specifications for Piping and Structures
• Piping Arrangement
• Design and Analysis of Pipes, Racks and Supports
• Fabrication Drawings

Electrical Design 

• Single line diagram
• Load calculations
• Manufacturing drawing of Cable Ways including Material List
• Manufacturing drawing of Electrical Equipment Seat including Material List for equipment Seat
• Cable schedule
•  Connection and Termination Diagram

New building Project Management

Navgathi offers a wide range of services in managing complex shipbuilding and offshore construction. We can build a project team from a vast pool of experienced professionals customized to the needs of the client. We work on Client interest and not merely create documentation to satisfy the basic contractual requirements like many third-party owner’s representative. ‘’Our primary interest is that of the Client and Client only”.

We can provide team comprised of expatriates or a team whose main body consists of local engineers, overseen by an expatriate Site Manager. The team for marine project management can consist of naval architects, marine engineers, coating engineers, electric engineers and professional from other related disciplines. 

Our team’s experience in building new shipbuilding project management around the globe from the Netherlands to the Far East makes us reliable partners to companies. 

Concept Design of Ships
Our Design team can conceptualize clients’ ideas to a design for initial discussions 

Shipyard Assessment
Our team can undertake analysis of 

• Shipyard Facilities 
• Quality Standards 
• Track Record

Contract Specification Analysis
Our Technical team with Shipbuilding and Operations experience can provide a detailed review of the Technical Specification

Plan Approval
Key stage in Shipbuilding where it is possible to incorporate client’s operational requirements and standards into the design. Our Technical team is well experienced to execute this process.

Shipbuilding Supervision 

• A wide range of combinations of Site Team
• Choice based on experience, background, educational qualifications and nationality
• Customized site team according to Client requirements and ability to manage ship construction supervision
• Client’s pre-approval of team members
• Our recent experience and ongoing new-building supervision projects are listed below. 

Bulk Carriers 

Combination Carriers

Container Vessel 

Ore Carriers  

Oil Tankers