Commercial fishing vessels in dry dock undergoing hull inspection and moss survey as part of a pre-purchase inspection and maritime consultancy service.

Naval Architecture & Design

Technical Marine Solutions

Design support for all vessels

MDSS offers naval architecture and naval design services for all vessel types. Experienced in both large ocean-going vessels and small trailer boats, our qualified team of marine surveyors provides support for new designs, system updates and compliance-related technical work.

Working tug Piaka moored at Lyttelton Harbour assessed for pre purchase boat service and ongoing vessel management by marine surveyors NZ.

Naval Architecture & Design Services

Design Approval

Approval services in compliance with MNZ surveyor standards and Australian Maritime Safety Authority (AMSA) regulations. MDSS reviews designs to ensure they meet the necessary requirements.

Stability Analysis

Covering intact and damaged stability, including calculations and documentation, with expertise in marine and naval design.

3rd Party Design Reviews

Independent reviews designs against national, international, and class rules, including SOLAS and Load Line Convention, conducted by skilled marine surveyors.

Ship’s System Design

Design of ship systems and engineering support across propulsion and onboard systems, drawing on marine engineering knowledge for reliable vessel performance.

Vessel Tender Documentation and Specification

Preparation of documentation and specifications for procurement, projects, or tenders, aligned with marine consultancy best practices.

Other service areas

Marine Surveyor

Surveying services are carried out under the Maritime Operator Safety System (MOSS) in New Zealand and the Australian Maritime Safety Authority (AMSA) system. MDSS offers periodic MOSS surveys, AMSA surveys, initial and in-construction inspections, as well as specialist surveys such as MARPOL Annex VI and Load Line.

Marine Consultancy

MDSS offers expert maritime consultancy services and practical guidance as a trusted marine consultant. Our solutions support comprehensive vessel management, including long-term reliability improvements and regulatory compliance. We specialise in consultancy services such as asset management planning, maintenance and docking planning, FMEA, compartment scanning and modelling, and providing support with MNZ MTOP and compliance requirements. MDSS serves clients across New Zealand, including those in Nelson, Wellington, Taupo, Queenstown, Tauranga, Te Anau and New Plymouth.

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