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Ship Defect Survey at Sea
Offshore Technical Inspection & Condition Assessment Without Dry-Docking
We conduct comprehensive defect surveys of vessels directly at sea, at anchorage, or in port — without dry-docking or operational downtime. Rapid identification of hull, machinery, and system defects with documentation accepted by major classification societies: RS (Russian Maritime Register), RR (Russian River Register), BV, LR, NK, RINA.
What's Included in an Offshore Defect Survey
An offshore defect survey is a complex diagnostic procedure performed by certified divers and marine engineers while the vessel remains afloat. This method enables accurate assessment of technical condition without costly dry-docking or laytime losses.
Survey Workflow
01 — Preparation & Planning
02 — Mobilization to Vessel
03 — Execution of Survey
05 — Reporting
- Review of vessel technical documentation and repair history
- Coordination of survey program with shipowner and classification society
- Equipment mobilization: ultrasonic thickness gauges, underwater cameras, dive support gear
02 — Mobilization to Vessel
- Transport of specialists via service launch or helicopter (as agreed)
- Crew briefing, work permit issuance, safety induction
- Onboard equipment setup and calibration
03 — Execution of Survey
- Visual Inspection: Examination of accessible hull areas, deck structures, machinery spaces
- Ultrasonic Thickness Gauging: Residual thickness measurements at defined grid points; identification of corrosion wastage zones
- Diver Operations: Underwater hull inspection, propeller/runder examination, sea chest integrity check
- Remote Techniques: Video inspection of confined spaces, thermal imaging of electrical systems
- Cross-referencing findings with RS Rules and international convention requirements (SOLAS, MARPOL, IACS UR)
- Defect logging: photos, video, schematics referenced to frame stations and longitudinals
- Criticality assessment of identified damage with repair priority recommendations
05 — Reporting
- Formal Defect Survey Report listing all non-conformities
- Thickness measurement tables with corrosion mapping charts
- Annotated drawings indicating defect locations and repair zones
- Recommendations on repair scope, methodology, and scheduling
- Statement of fitness for continued service until next scheduled survey
Advantages of Offshore Defect Survey
Zero Operational Disruption — vessel continues trading; no off-hire losses
Cost Efficiency — eliminates dry-docking, towing, and slipway expenses
Rapid Response — specialist mobilization within 24–48 hours of request
Class-Approved Documentation — reports accepted by RS, RR, BV, LR, DNV, NK, RINA for class renewal
Global Coverage — surveys performed across Russian waters and internationally
Safety Compliance — all operations conducted per ISM Code, SOLAS, and occupational safety standards
Cost Efficiency — eliminates dry-docking, towing, and slipway expenses
Rapid Response — specialist mobilization within 24–48 hours of request
Class-Approved Documentation — reports accepted by RS, RR, BV, LR, DNV, NK, RINA for class renewal
Global Coverage — surveys performed across Russian waters and internationally
Safety Compliance — all operations conducted per ISM Code, SOLAS, and occupational safety standards
When Is an Offshore Survey Required?
- Prior to long-distance voyage or ocean passage
- Following heavy weather, grounding, collision, or allision incident
- For class renewal without dry-docking (per IACS Unified Requirements)
- During pre-purchase/pre-sale technical due diligence
- When corrosion wastage or structural damage is suspected
- To define precise repair scope and budget prior to scheduled maintenance
- Submit an inquiry via website
- Our marine surveyor will clarify details: vessel type, location, survey objectives
- We provide a survey program and formal quotation
- Upon approval, we schedule mobilization and commence work
PROJECTS
We work all over the world
Visual inspection. Thickness measurements.
Inspection. Thickness measurements. Certification
Thickness measurement. Industrial alpinism
Flaw detection of the hull of a bulk-carrier ATA
Flaw detection of the hull of a bulk-carrier ATA
✦ flaw detection of the ship’s hull with thickness measurement by ultrasonic thickness gauge using the mountaineering method
✦ ship survey
✦ ship survey
Back
Thickness measurement of holds at the bulk-carrier ATA
Thickness measurement by ultrasonic thickness gauge and survey of holds at the bulk-carrier ATA
Back
Flaw detection of the hull of a bulk-carrier ALEXANDER TVARDOVSKIY
Flaw detection of the ship’s hull with thickness measurement by ultrasonic thickness gauge
Back
Flaw detection of hull and repair of ship Harvest Rain
✦ thickness measurements
✦ propeller-rudder systems repair
✦ ship painting
✦ drawing a waterline
✦ propeller-rudder systems repair
✦ ship painting
✦ drawing a waterline
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Dock repair of LPG tanker BALERIC GAS
✦ thickness measurement
✦ ship hull repair
✦ ship survey
✦ ship hull repair
✦ ship survey
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Dock repair of Oil/Chemical Tanker TERNHOLM
✦ flaw detection with thickness measurements
✦ ship hull repair
✦ ship survey
✦ ship hull repair
✦ ship survey
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Dock repair of the icebreaker ST. PETERSBURG
✦ flaw detection with thickness measurements
✦ hull and equipment repairs
✦ sea trials
✦ ship survey
✦ hull and equipment repairs
✦ sea trials
✦ ship survey
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Restoration of the icebreaker-museum KRASIN
✦ fault detection with thickness measurements
✦ ship hull restoration
✦ hull cleaning and painting
✦ porthole repair
✦ ship hull restoration
✦ hull cleaning and painting
✦ porthole repair
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Repair of barge platform PPS-101
✦ flaw detection with thickness measurements
✦ ship hull repair
✦ ship survey
✦ ship hull repair
✦ ship survey
Back
Thickness measurements. Ship survey
Thickness measurements. Hull painting
Thickness measurements. Propeller-rudder systems repair
Periodical survey of SEVEN SISTERS liner
✦ flaw detection with thickness measurements
✦ propeller-rudder systems repair
✦ ship survey
✦ propeller-rudder systems repair
✦ ship survey
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Flaw detection and painting of the vessel BW ACORN
✦ flaw detection with thickness measurements
✦ freeboard painting
✦ freeboard painting
Back
Thickness measurements on a floating dock in Novorossiysk
✦ thickness measurements
✦ ship survey
✦ ship survey
Back
Flaw detection. Repair. Survey
Works on the periodic survey of the ship
Works on the periodic survey of the ship
Repair of barge platform NB-001
✦ flaw detection
✦ thickness measurements
✦ repair
✦ ship survey
✦ thickness measurements
✦ repair
✦ ship survey
Back
Back
Flaw detection of ballast tanks
✦ flaw detection
✦ thickness measurements
✦ repair
✦ ship survey
✦ thickness measurements
✦ repair
✦ ship survey
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Preparing the hull for painting
✦ flaw detection
✦ thickness measurements
✦ body cleaning
✦ preparation for painting
✦ thickness measurements
✦ body cleaning
✦ preparation for painting
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Flaw detection. Preventive work. Conservation
Flaw detection. Repair. Link replacement. Painting
Flaw detection. Repair. Ship survey
Repair of yachts and boats
✦ flaw detection of the hull, deck structures, units and mechanisms
✦ thickness measurements
✦ repair
✦ ship survey
✦ thickness measurements
✦ repair
✦ ship survey
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Anchor chain repair
✦ flaw detection with thickness measurements
✦ chain link replacement
✦ repair
✦ painting
✦ chain link replacement
✦ repair
✦ painting
Back
Visual inspection. Thickness measurements.
Visual inspection. Thickness measurements. Ship survey
Thickness measurement. Industrial alpinism
Flaw detection of the hull of a bulk-carrier ATA
Flaw detection. Ship hull repair. Painting
Dock repair of Oil/Chemical Tanker TERNHOLM
Flaw detection of hull and repair
Dock repair of LPG tanker BALERIC GAS
Thickness measurements..Painting. Propeller-rudder systems repair
Flaw detection of hull and repair of ship Harvest Rain
Flaw detection. Repair. Certification
Repair of barge platform PPS-101
Thickness measurements. Hull restoration and painting
Restoration of the icebreaker-museum KRASIN
Thickness measurements. Repair. Sea trials
Detection and repair of the icebreaker ST. PETERSBURG
Thickness measurements. Ship survey
Thickness measurements. Hull painting
Thickness measurements. Propeller-rudder systems repair
Works on the periodic survey of the ship
Works on the periodic survey of the ship
Thickness measurements. Repair. Сleaning
Preparing the hull for painting
Visual inspection. Thickness measurements
Flaw detection of holds
Visual inspection. Thickness measurements. Ship survey
Flawt detection of ballast tanks
Flaw detection. Preventive work. Conservation
Flaw detection. Repair. Link replacement. Painting
Flaw detection. Repair. Ship survey
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Free consultation
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PROJECTS
Thickness measurement. Industrial alpinism
Visual inspection. Thickness measurements. Ship survey
Visual inspection. Thickness measurements.
Thickness measurements..Painting. Propeller-rudder systems repair
Flaw detection of hull and repair
Flaw detection. Ship hull repair. Painting
Thickness measurements. Repair. Sea trials
Thickness measurements. Hull restoration and painting
Flaw detection. Repair. Certification
Thickness measurements. Propeller-rudder systems repair
Thickness measurements. Hull painting
Thickness measurements. Ship survey
Works on the periodic survey of the ship
Works on the periodic survey of the ship
Visual inspection. Thickness measurements
Visual inspection. Thickness measurements. Ship survey
Thickness measurements. Repair. Сleaning
Flaw detection. Repair. Ship survey
Flaw detection. Repair. Link replacement. Painting
Flaw detection. Preventive work. Conservation
Fault detection and repair is carried out on the basis of relevant certificates.
GUARANTEES
SpecMorService is recognized by the RUSSIAN MARITIME REGISTER OF SHIPPING, RUSSIAN RIVER REGISTER OF SHIPPING, Nippon Kaiji Kiokay, BUREAU VERITAS, RINA Services S.p.A as a provider of services for the ship repair, fault detection and survey of ship hulls and ship equipment.
International certification
Specmorservice is the only company at the North-West of the Russian Federation certified by the international classification society NKK for carrying out work on fault detection and thickness measurements .
Nippon Kaiji Kiokay
SpeсMorService is certified by the international classification society RINA Services S.p.A. and recognized as an approved facility for thickness measurements and fault detection.
RINA
View the Certificate
View the Certificate
Certified by the Dutch classification society Bureau Veritas for thickness measurement and fault detection of hulls.
BUREAU VERITAS
Certified by the RUSSIAN RIVER REGISTER OF SHIPPING for carrying out ship repair work, fault detection of hulls and ship equipment.
RRR
View the Certificate
View the Certificate
SpecMorService is recognized by the RUSSIAN MARITIME REGISTER OF SHIPPING as a provider of ship repair, fault detection and survey.
RMRS 1
SpeсMorService is recognized by the RMRS as an enterprise carrying out re-equipment, modernization and repair of ships, hull structures, etc.
RMRS 2
View the Certificate
View the Certificate
CERTIFICATES
Relevant for 2025
We carry out work of any volume and complexity.
WE ARE TRUSTED
We work with public companies, private companies and individuals.
Thanks for the feedback
TESTIMONIALS
We value our customers and always happy to help.
The contractors executed the contract 1770727424919000042 "Performance of work on the repair of the barge platform "PPS-101"". Perfectly met the deadlines.
FSBI MORSPASSERVICE
We are grateful to the company for the services provided on application 1782544665618000005 "Services for the repair and maintenance of ships and boats" dated 04.18.2018.
FSBI BALTTECHMORDIRECTION
Everything was done in a timely manner according to the agreement "Performing the necessary amount of repair work for the periodical survey by the Russian River Register of motor ships "Ural", "Aldan", "Irtysh". Thank you very much!
SPB SBI MOSTOTREST
The contract "Performance of work on the flaw detection of hull structures with measurements of residual thicknesses on the ship" was completed without any problems. Many thanks to your company for the quality and timeliness. We wish you good luck!
ONEGA SHIPYARD
FROM THE HEAD OF SPECMORSERVICE LLC
.
SpeсMorService is a recognized expert in thickness measurements, flaw detection and ship repair.
We guarantee our clients a level of service that meets international quality standards, which is confirmed by our certificates and 11 years of experience around the world.
By contacting us you will receive a full range of services, documentation and guarantees. We value the client's time and perform work with high quality, on time, on a turn-key basis.
By contacting us you will receive a full range of services, documentation and guarantees. We value the client's time and perform work with high quality, on time, on a turn-key basis.
Sergeev Alexander Vladimirovich
Director of SpeсMorService LLC
CONTACTS
Telephone: +7 962 691 66 16, +7 812 339 97 19
Email: info@specmorservice.com
Adress: St. Petersburg, st. Nevelskaya building 3
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
Email: info@specmorservice.com
Adress: St. Petersburg, st. Nevelskaya building 3
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
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CONTACTS
Telephone: +7 962 691 66 16, +7 812 339 97 19
Email: info@specmorservice.com
Adress: St. Petersburg, st. Dvinskaya 10, building 6
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
Email: info@specmorservice.com
Adress: St. Petersburg, st. Dvinskaya 10, building 6
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
By clicking the button you agree to the privacy policy
CONTACTS
Telephone: +7 962 691 66 16, +7 812 339 97 19
Email: info@specmorservice.com
Adress: St. Petersburg, st. Dvinskaya 10, building 6
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
Email: info@specmorservice.com
Adress: St. Petersburg, st. Dvinskaya 10, building 6
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
By clicking the button you agree to the privacy policy
CONTACTS
Telephone: +7 962 691 66 16, +7 812 339 97 19
Email: info@specmorservice.com
Adress: St. Petersburg, st. Dvinskaya 10, building 6
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
Email: info@specmorservice.com
Adress: St. Petersburg, st. Dvinskaya 10, building 6
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
By clicking the button you agree to the privacy policy
CONTACTS
Telephone: +7 962 691 66 16, +7 812 339 97 19
Email: info@specmorservice.com
Adress: St. Petersburg, st. Dvinskaya 10, building 6
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
Email: info@specmorservice.com
Adress: St. Petersburg, st. Dvinskaya 10, building 6
INN 7804329447 (Taxpayer Identification Number)
KPP 780401001 (Tax Registration Reason Code)
OGRN 1067847071214 (Primary State Registration Number)
By clicking the button you agree to the privacy policy
REPAIRS
FAULT DETECTION
SPECMORSERVICE LLC. 2026
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