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Marine Surveying • Project Risk • MWS
Marine Warranty Surveying Course & Complete MWS Guide
Develop practical knowledge of marine warranty surveying, technical risk review, scopes of work, Certificates of Approval, tow and transport operations, project cargo, offshore operations and professional survey reporting.
Online 52 Hours 2 Sections • 5 Lessons Advanced Diploma Pathway
Course at a Glance
Marine Warranty Surveying Online Training
IMT's current Marine Warranty Surveying programme combines four compulsory marine-surveying subjects with specialist MWS training.
Listed Duration
52 hours
Current course-page study time.
Current Structure
2 sections • 5 lessons
Four compulsory subjects plus the specialist MWS subject.
Training Area
Marine Surveying & Consultancy
Advanced Diploma pathway.
Professional clarification: A course certificate does not by itself appoint a person as an acceptable Marine Warranty Surveyor for an insurance placement or project. The underwriter/client normally determines the required MWS company, personnel competence and project-specific scope.
MWS Fundamentals
What Is Marine Warranty Surveying?
Marine Warranty Surveying is an independent technical assurance activity used to reduce the risks associated with high-value or complex marine operations.
A Marine Warranty Surveyor reviews the technical and operational arrangements for specified marine activities on behalf of underwriters or other appointing parties. The objective is not to operate the project but to assess whether the planned activity satisfies the agreed criteria and whether identified risks have been reduced to an acceptable level.
Typical MWS work can involve marine transportation, heavy lifts, towage, offshore installation, rig moves, mooring, project cargo, offshore renewables, lay-up/reactivation and other operations where the consequences of failure can be significant.
Current Joint Natural Resources Committee guidance published through the Lloyd's Market Association emphasizes the MWS role as a critical assurance function and uses project scopes of work and Codes of Practice to define the required review and approval activities.
MWS Role
What Does a Marine Warranty Surveyor Do?
The MWS reviews evidence, engineering and operational arrangements against the agreed scope and approval criteria.
Scope Review
Understand the insurance warranty, project-specific Scope of Work and approval criteria.
Engineering Review
Review relevant calculations, drawings, procedures, stability, loads and marine-operation engineering.
Site Attendance
Attend agreed critical operations to verify that approved arrangements are being followed.
Tow & Transport Review
Assess towing, seafastening, transport, weather and operational arrangements where within scope.
Heavy Lift Review
Review lifting plans, cranes, rigging, load paths, environmental limits and execution controls.
Mooring & Offshore Review
Assess mooring, anchor spreads, offshore interfaces and other project-specific marine risks.
Recommendations
Issue technical comments or recommendations that need closure before approval.
Certificate of Approval
Issue the required approval certificate when the agreed criteria are satisfied.
MWS Workflow
From Project Information to Certificate of Approval
Marine warranty work follows a controlled sequence of review, comment, verification and approval.
- 1. Appointment: confirm underwriter/client requirements and MWS scope
- 2. Information collection: obtain plans, procedures, calculations and project data
- 3. Technical review: assess design assumptions and operational methodology
- 4. Recommendations: document comments, restrictions or required actions
- 5. Close-out: review responses and revised documentation
- 6. Attendance: witness agreed activities or readiness checks
- 7. Final verification: confirm approval criteria are met
- 8. COA: issue the applicable Certificate of Approval when appropriate
Typical Operations
Where Is Marine Warranty Surveying Used?
Marine Transportation
Heavy or high-value cargo transported by barge, heavy-lift vessel or other marine transport.
Towage
Ocean or coastal tows, including review of tow arrangements and operational limits.
Heavy Lifts
Load-outs, lifts, upending, installation and other critical lifting operations.
Offshore Construction
Installation and marine operations associated with offshore energy and infrastructure projects.
Rig Moves
Location approval, jack-up and mobile offshore-unit moves where warranty requirements apply.
Offshore Renewables
Marine operations supporting offshore wind and renewable-energy projects.
Lay-Up / Reactivation
Technical assurance associated with lay-up condition and return-to-service activities.
Port / Terminal Risks
Selected marine and operational risks associated with facilities or project interfaces.
Learning Focus
What You Should Learn from MWS Training
- Role, independence and responsibility of the Marine Warranty Surveyor
- Insurance warranty and project assurance context
- Scope of Work and project-specific Scope of Work
- Certificate of Approval concepts
- Marine operation risk identification
- Technical document and procedure review
- Naval architecture and ship-construction fundamentals
- Towage and marine transportation
- Heavy lift and project cargo review
- Mooring and offshore-operation awareness
- Surveyor liability and professional conduct
- Technical reporting and recommendation close-out
- Communication with underwriters, assureds and contractors
- Use of current project-specific industry guidance
Who Should Enroll
Who Is the Marine Warranty Surveying Course For?
Marine Surveyors
Surveyors developing specialist project and offshore assurance knowledge.
Naval Architects
Technical professionals reviewing stability, structures, transport and marine operations.
Marine Engineers
Engineers working with technical assurance, vessels, offshore projects or heavy marine operations.
Marine Superintendents
Shore-based managers involved in towage, transport, installation or project operations.
Offshore Project Personnel
Professionals involved in offshore construction, rig moves or renewable-energy projects.
Marine Insurers / Claims Teams
Personnel seeking a stronger understanding of the MWS assurance function.
Heavy Lift / Project Cargo Teams
Professionals planning or reviewing complex marine transportation and lifting.
Maritime Consultants
Consultants supporting technical due diligence, risk review and project assurance.
Current IMT Curriculum
How the IMT Marine Warranty Surveying Course Is Structured
Introduction to Marine Surveying Profession
Core professional foundations for marine surveying.
Essential Law for Marine Surveyors
Legal and professional context relevant to survey assignments.
Technical Report Writing
How to structure clear, evidence-based professional survey reports.
Naval Architecture & Ship Construction
Technical foundations supporting marine-operation review.
Marine Warranty Surveying
Specialist module covering MWS roles, warranties, scopes, approvals and marine operations.
Industry Reference
Current MWS Technical Guidance
The Lloyd's Market Association / JNRC Survey and Engineering Sub-Committee publishes current MWS good-practice material and guideline Scopes of Work.
JNRC Survey & Engineering Sub-Committee
Current technical documents include MWS information, good-practice guidance and project-specific guideline scopes of work.
Project-Specific Scope
MWS work should be performed against the actual scope, criteria and insurance/project requirements applicable to the assignment.
Current Documents Matter
Older JRC documents remain useful historically, but project teams should verify the latest applicable JNRC/LMA guidance before use.
FAQ
Marine Warranty Surveying FAQ
What is a Marine Warranty Surveyor?
A Marine Warranty Surveyor is an independent technical assurance professional appointed for specified marine operations to assess risk, review technical arrangements and verify compliance with an agreed scope and approval criteria.
What is a Certificate of Approval?
A Certificate of Approval is an MWS document issued for a warranted operation when the applicable review, recommendations and approval conditions have been satisfactorily addressed.
Does an MWS replace the project engineer?
No. The project team remains responsible for design and execution. The MWS independently reviews the operation against the agreed assurance scope.
What operations can require MWS involvement?
Examples include towage, heavy transport, load-outs, heavy lifts, offshore installation, rig moves, mooring, offshore renewables and other high-value marine operations.
What is a Scope of Work in MWS?
The Scope of Work defines the technical reviews, attendance, approvals and deliverables required from the MWS for a particular project or insurance warranty.
Is Marine Warranty Surveying the same as classification?
No. Classification and statutory survey functions are different. MWS is usually a project/insurance assurance activity with its own scope and approval criteria.
Can Marine Warranty Surveying be studied online?
Yes. IMT currently lists Marine Warranty Surveying as an online Advanced Diploma Marine Surveying & Consultancy pathway with 52 hours of study.
Does completing the course automatically qualify me for every MWS project?
No. Project appointment depends on client or underwriter requirements, technical experience, competence and acceptance of the individual or MWS company.
What background is useful for MWS work?
Marine surveying, naval architecture, marine engineering, offshore operations, project cargo or relevant senior marine operational experience can all be useful.
What should I study after MWS training?
Related pathways include Marine Surveying & Consultancy, Naval Architecture, Heavy Lifting & Project Cargo, Risk Management and technical report writing.
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