Technical Retrofits and Modernization

Design & Engineering

More than 20 years of experience in complex retrofit and modernization projects for cruise ships and other passenger vessels.

Services are delivered using an integrated design, planning and execution methodology for a full turnkey approach based on your specific project objectives.

Our goal is to be the best choice to solve your technical challenges and improve your investment

- Proven record in the installation of complex engineering systems
- Overall integration of technical equipment and systems (mechanical and electrical)
- Certified welding and assembly of all types of system pipelines: plastic, GRP/GRVE/GRE, Hi-Fog®, steel, specialized steel such as SMO254, Duplex, Superduplex, Inconel, Hastelloy, Alloy31, Alloy59.
- Aluminum construction, assembly and installation for deck and structural upgrades
- Hull works in drydock or during operation including turnkey diving operations
- Electrical installations and upgrades
- Advanced insulation worksConsultation and Project Management Services

Over 200 retrofit projects completed

All works completed in Service and Shipyards – drydocking

We can deploy our resources to reach your vessel regardless the location

Recent Technical Retrofit References

… just to mention a few

PROJECTS IN ORDER WITH VIDEO TECHNICAL RETROFIT NEWBUILDINGS REFIT ENGINEERING DIESEL ENGINE REPAIR SHIP REPAIR OUTFITTING LAND PROJECTS HI-FOG

m/s World Dream

Shore to Ship Power retrofit of a Genting Dream cruise ship
Project keywords: Cold Ironing, Shore Connection, Shore-to-Ship Power (SSP) or Alternative Maritime Power (AMP)

m/s Wonder of the Seas (C34)

PAX accommodation areas ‘turn-key’ outfitting
Piping systems installation
Hi-Fog system ‘turn-key’ installation

RCCL at Chantiers de l’Atlantique in Saint Nazaire.

m/s Oasis/Allure of the Seas, RCCL

‘Turn-key’ closed loop scrubber integration in dry-dock and in operation

m/v Finntide

All Main Engines 8L46F complete overhauling with main and camshaft bearing replacement and Charge Air cooler replacement and US cleaning
Finnlines PLC / Finland

m/s Westardam

Main Engine Nr 5 Sulzer 12ZAL40S Turbocharger upgrade VTR to type TPL69-A32
Wärtsilä Corp. / USA

m/v Finnwave

All Main Engines 8L46F main bearings and camshaft bearing replacement
FInnlines PLC / Germany

m/v Finnsun

All Main Engines 8L46F Big End Bearings, main bearings and camshaft bearing replacement and Charge Air cooler replacement and US cleaning
FInnlines PLC / Germany

m/v Finnbreeze

All Main Engines 8L46F complete overhauling
Charge Air cooler replacement and US cleaning
FInnlines PLC / Poland

m/v Finnsea

All Main Engines 8L46F complete overhauling
Charge Air cooler replacement and US cleaning
FInnlines PLC / Poland

m/v Finnsky

All Main Engines 8L46F complete overhauling
Charge Air cooler replacement and US cleaning
FInnlines PLC / Finland

m/s Oosterdam

Main Engine Nr 5 Sulzer 16ZAV40S
Charge Air Cooler Delta cleaning system installation
Wärtsilä Corp./ USA

m/s Westerdam

Main Engine Nr 5 Sulzer 12ZAL40S
Turbocharger upgrade from type VTR to type TPL69-A32
including all connected works with replacement
Wärtsilä Corp.
USA

m/s Noordam

Main Engine Nr 2 Sulzer 12ZAL40S
Turbocharger upgrade from type VTR to type TPL69-A32
including all connected works with replacement
Wärtsilä Corp.
USA

m/s Noordam

Main Engine Nr 3 Sulzer 12ZAL40S
Turbocharger upgrade from type VTR to type TPL69-A32
including all connected works with replacement
Wärtsilä Corp.
Australia

m/s Noordam

Main Engine Nr 4 Sulzer 16ZAV40S
Turbocharger upgrade from type VTR to type TPL73-A32
including all connected works with replacement
Wärtsilä Corp.
Australia & New Zealand

m/s Noordam

Main Engine Nr 5 Sulzer 16ZAV40S
Turbocharger upgrade from type VTR to type TPL73-A32
including all connected works with replacement
Wärtsilä Corp.
Australia & New Zealand

m/s Pride of America

Six (6) Main Engines Wärtsilä 8L46
Turbochargers washer units and Twin Nozzle turbine washers installation
Wärtsilä Corp.
USA

m/s Oosterdam

Main Engine Nr 4 Sulzer 16ZAV40S
Turbocharger upgrade from type VTR to type TPL73-A32
Wärtsilä Corp. / Europe

m/s Oosterdam

Main Engine Nr 4 Sulzer 16ZAV40S
Charge Air Cooler delta cleaning system installation
Wärtsilä Corp.
Europe

m/s Oosterdam

Main Engine Nr 2 Sulzer 12ZAL40S
Turbocharger upgrade from type VTR to type TPL69-A32
Wärtsilä Corp. / USA

m/s Carnival Glory

Main Engine Nr 1 Sulzer 12ZAL40S
Variable Inlet Valve Closing (VIC) installation
Wärtsilä Corp.
USA

m/s Zuiderdam

Main Engine Nr 5 Sulzer 12ZAL40S
Turbocharger upgrade from type VTR to type TPL69-A32
including all connected works with replacement
Wärtsilä Corp.
Europe

m/s Zuiderdam

Main Engine Nr 2 Sulzer 12ZAL40S
Turbocharger upgrade from type VTR to type TPL69-A32
including all connected works with replacement
Wärtsilä Corp.
Europe

m/s Zuiderdam

Main Engine Nr 1 Sulzer 16ZAV40S
Turbocharger upgrade from type VTR to type TPL73-A32
including all connected works with replacement
Wärtsilä Corp.
Canada

m/s Zuiderdam

Main Engine Nr 4 Sulzer 16ZAV40S
Turbocharger upgrade from type VTR to type TPL73-A32
including all connected works with replacement
Wärtsilä Corp.
Canada

m/s Caribbean Princess

Main Engine Nr 4 Sulzer 16ZAV40S
Turbocharger upgrade from type VTR to type TPL73-A32
including all connected works with replacement
Wärtsilä Corp.
USA

m/s Star Princess

Main Engine Nr 3 Sulzer 16ZAV40S
Turbocharger upgrade from type VTR to type TPL73-A32
including all connected works with replacement
Wärtsilä Corp.
USA

m/s Arcadia

Main Engine Nr 4 Sulzer 16ZAV40S
Turbocharger upgrade from type VTR to type TPL73-A32
including all connected works with replacement
Wärtsilä Corp.
UK

m/s Navigator of the Seas, RCCL

‘Turn-key’ closed loop scrubber integration in dry-dock and in operation

Smart Design

LTH-Baas introduces Smart Design of technical retrofit projects

m/s MSC Bellissima

Piping systems installation
Hi-Fog system ‘turn-key’ installation
Chantier de l’Atlantique
Saint-Nazaire, France

m/s Stena Danica

Public areas refit
Stena Lines

m/s World Dream, Dream Cruises

Juice Bar refit
Dream Cruises

RCCL Voyager-class ships (3 ships)

‘Turn-key’ closed loop scrubber integration in dry-dock and in operation

m/s Freedom of the Seas

‘Turn-key’ Advanced Emission Purification system (scrubber) integration.

4 Radiance class vessels

‘Turn-key’ Advanced Emission Purification system (scrubber) integration.

m/s Costa Medeterranea

Portable water system replacement.

CCL vessels

Water Mist Fire Protection system.

m/s NB 6242, Carnival Cruise Lines

Hi-Fog system installation
for Marioff Corporation at Fincantieri Monfalcone

Carnival Cruises, 2 vessels

m/s Carnival Magic
m/s Carnival Breeze
Extension of Water Mist Fire Protection
Marioff Corporation

m/s Carnival Dream

Hi-fog fire extinguisher system modernization
Marioff Corporation Oy
for Carnival Cruise Lines

Carnival Cruises, 2 vessels

m/s Carnival Valor
m/s Carnival Freedom
Extension of Water Mist Fire Protection
Marioff Corporation

m/s Harmony of the Seas

‘Turn-key’ Hi-Fog system installation
Marioff Corporation at STX France

NB-1383 TUI Cruises

Hi-Fog system installation
at STX Finland for Marioff Corporation Oy

m/a Costa Diadema

Hi-Fog system installation
Marghera Shipyard
Fincantieri, Italy

Holland America Line – 14 ships

14 cruise ships of Holland America Line
Marioff
Hi-Fog sprinkler system modernizations in
North America, Europe, and Australia

MSC Preziosa

Hi-Fog system ‘turn-key’ installation
Marioff Corporation Oy
STX France in Saint Nazaire, France

m/s Europa 2

Hi-Fog system ‘turn-key’ installation
Marioff Corporation Oy at STX France
Saint Nazaire, France

m/s Viking Grace (NB 1376)

Hi-Fog system installation
Marioff Corporation Oy
at STX Europe in Turku, Finland

HULL NB6229

Hi-Fog installation
Marioff
Fincantieri in Ancona, Italy

m/s Riviera

Oceania Cruises
Marioff, Fincantieri, Genoa
Hi-Fog system installation

MSC Divina (X32)

Marioff, STX Europe
Saint Nazaire, France
Hi-Fog sprinkler system "turn-key" installation

m/y Hermitage

Hi-Fog system modification

m/s Polar Pioneer

Hi-Fog system turn-key installation

m/s Akademik Shokalsky

Hi-Fog system turn-key installation

MSC Splendida (U32)

Marioff, STX Europe
Saint Nazaire, France
Hi-Fog "turn-key" installation

m/s Allure of the Seas

RCCL
Marioff, STX Europe
Turku, Finland
Hi-Fog installation: manifolds, engine room

Seabourn Cruises (063, 064)

m/s Seabourn Quest
m/s Seabourn Sojourn
Marioff, at T.Mariotti
Genoa, Italy
Hi-Fog “turn-key” installation

m/s Norwegian Epic

NCL
Marioff, STX Europe, Saint Nazaire, France
Hi-Fog "turn-key" installation

m/s Oceania Marina (6194)

Oceania
Marioff, Fincantieri
Genoa, Italy
Hi-Fog sprinkler system, installation

m/s Splendida

MSC
Marioff Corporation at STX Europe
Saint Nazaire, France
Hi-Fog sprinkler system "turn-key" installation

NLG tanker GDF Suez Global Energy

GAZOCEN
Marseille, France
Hi-Fog fire extinguishing system modification

m/s Seabourn Odyssey (062)

Seabourn Cruise
Marioff Corporation at Mariotti
Genoa, Italy

m/s Silver Spirit (6178)

Silversea Cruise
Marioff Corporation at Fincantieri
Ancona, Italy
Hi-Fog installation

MSC Fantasia

Hi-Fog sprinkler system installation
Saint Nazaire, France
Marioff

m/s Costa Pacifica (9148)

Costa
Marioff Corporation
Hi-Fog sprinler system installation
Genoa, Italy

m/s Carnival Dream (6167)

Carnival Cruise Lines
Marioff Corporation at Fincantieri
Hi-Fog installation
Genoa, Italy

m/s Carnival Splendor

Manifolds, 2FZ
Marioff Corporation, Italy

m/s El Habib

Compagnie tunisienne de navigation (CTN)
Hi-Fog turn-key installation
Marioff
Tunisia

m/s Pella

Local protection installation
work supervision
Marioff Corporation, Egypt

m/s Mediterranee

S.N.C.M.
Turn-key installation
2000 sprinklers, 13 section valves
Marioff Corporation, Italy

m/s Ile de Beaute

S.N.C.M.
Turn-key installation, 1400 sprinklers
Marioff Corporation, France

m/s Corse

S.N.C.M.
Turn-key installation, 1200 sprinklers
Marioff Corporation, France

m/s Monte D’Ore

S.N.C.M.
Turn-key installation, 900 sprinklers
Marioff Corporation, France

m/s Rus

Brittany Ferries
Turn-key installation
Marioff Corporation

m/s Normandie

Brittany Ferries
Turn-key installation
Marioff Corporation

m/s Pont Avent

Modification in the local protection
Marioff Corporation, France

m/s Mistral

Carnival Cruises
Modification in the local protection
and accommodation areas
Marioff Corporation, France

m/s Rosella

Viking Line
Turn-key installation
Marioff Corporation, Finland

m/s Nordlandia

Eckerö Line
Turn-key installation
Eckerö Line, Finland

m/s Translandia

Eckerö Line
Turn-key installation
Eckerö Line, Finland

m/s Alandia

Eckerö Line
Turn-key installation
Eckerö Line, Finland

m/s Kapitan Khlebnikov

FESCO
Local protection
Marioff Corporation, Russia

Hotel Marriott Tsaghkadzor

Hi-Fog system installation
Marioff
Armenia

Kiisa Power Station

Low-pressure sprinkler system
Antifire
Estonia

Archive Chatellerault

Hi-Fog system installation
Marioff
France

Maison de Radio-France

Paris, France
Hi-Fog sprinkler system installation
Marioff

Ericsson factory

Kidde Estonia
Sprinkler system installation
Tallinn, Estonia

Datacenter Greenwich (Orange)

Rouen, France
Marioff SAS
Hi-Fog system installation

IKEA Kuopio

IKEA department store
Kuopio, Finland
Firekone
Sprinkler system installation

Data center Equinix

Paris, France
Marioff SAS
Hi-Fog system installation

Icebreaker NB510

Technical outfitting works
Arctech, Helsinki, Finland

Oil rig Paul B Lloyd

Mechanical works, trusters overhaul
Keppel Verolme
The Netherlands

m/v Lisco Patria

DFDS Lisco
M/E Sulzer 8ZA40S
Main brig replacement
A/E Mitsubishi S6R2-MPTK
1 Cylinder unit overhaul with cylinder liner replacement
During ship normal operation
Kapelskar, Sweden

m/v Finnfellow

Finnlines Ship Management AB
Maintenance of A/E Sulzer 8S20U, M/E 2pcs. of Sulzer 8ZA40S, M/E Sulzer 8ZA40S

m/v Finntrader

Finnlines Ship Management AB
M/E Sulzer 8ZA40S
Main BRGs replacement
during ship normal operation
in Finland - Sweden Route

m/v Finnlady

Finnlines Ship Management AB
M/E Wärtsilä 9L46C and A/E Sulzer 8S20U maintenance during normal operation
cylinder overhauling
during normal operation in Finland – Spain route

m/v Finnpulp

Finnlines Ship Management AB
M/E MAN B&W 9L48/60 B 1
cylinder overhauling
during normal operation in Finland – Spain route

m/v Finnarrow

Finnlines Ship Management AB
M/E Sulzer 8ZAL40S 1 cylinder unit emergency overhauling
During Finland – Sweden route

m/v Regina Baltica

Tallink Baltic AS
Fuel Injectors complete overhauling
Tallinn, Estonia.

m/v Finnsailor

Finnlines Ship Management
M.E Sulzer 12ZAV 40 S complete overhaul
normal oepration in Finland – Sweden route

m/v Patria Seaways

DFDS Lisco
A/E Mitsubishi S6R engine block works

Global 1, Global 2

PAX and public areas ‘turn-key’ outfitting, Hi-Fog installation
Genting Cruise Lines
M.V. Werften
Wismar / Rostock, Germany

Celebrity Edge-class ships (4 ships)

PAX and Crew accommodation areas ‘turn-key’ outfitting, Scrubber system GRE piping installation
Chantiers de l’Atlantique
Saint-Nazaire, France

MSC Meraviglia-class ships

Piping systems installation, Hi-Fog system ‘turn-key’ installation
Chantier de l’Atlantique
Saint-Nazaire, France

Costa Smeralda-class ships (4 ships)

Hospital and Crew mess ‘turn-key’ interior outfitting
Meyer Turku
Finland

Luxury cruise ships

Luxury cruise ships’ complete accommodation areas ‘turn-key’ outfitting and HVAC installation
Norway

m/s Zuiderdam

Pipelines replacement during dry-docking
Holland America Line

m/s Maasdam

Accommodation area refurbishment
Pipelines replacement
Galley equipment replacement
SeaTrucksGroup
Nigeria

m/v Jascon28

Accommodation area refurbishment
Pipelines replacement
Galley equipment replacement
SeaTrucksGroup
Nigeria

m/s Harmony of the Seas

piping systems installation
STX France

Sapura Topazio

Seadrill NB729
IHC Piping - small bore pipes installation
The Netherlands

Icebreaker NB-506 & 507

Lifeboats installation
Arctech Helsinki Shipyard Inc.
Helsinki, Finland

m/s Spirit of France

P&O Ferries
Merima Oy at STX Europe, Rauma, Finland
Two decks of public areas, piping systems installation

m/s Spirit of Britain

P&O Ferries
Merima Oy at STX Europe, Rauma, Finland
Two decks of public areas, piping systems installation

m/s Allure of the Seas

RCCL
Grand Promenade, piping systems installation
Merima Oy at STX Europe, Turku, Finland

m/s Harmony of the Seas

RCCL
PAX accommodation areas ‘turn-key’ outfitting
Piping systems installation
Hi-Fog system ‘turn-key’ installation

m/s Symphony of the Seas

RCCL
PAX accommodation areas ‘turn-key’ outfitting
Piping systems installation
Hi-Fog system ‘turn-key’ installation

m/s Armorique

Brittany Ferries
Europlan at STX Europe, Helsinki
deck 7, 8 piping systems installation

m/s Baltic Queen

Tallink Group
Merima Oy at STX Europe, Rauma, Finland
Deck 6-7 piping outfitting

m/s Explorer Dream, Dream Cruises

‘Turn-key’ closed loop scrubber integration in dry-dock and in operation
Dream Cruises

m/s World Dream, Dream Cruises

‘Turn-key’ closed loop scrubber integration in operation
Dream Cruises

m/s Genting Dream, Dream Cruises

‘Turn-key’ closed loop scrubber integration in operation
Dream Cruises

CMA CGM (8 container ships)

Ballast Water Treatment System
design, procurement, materials system and owner’s supervision

Super Speed 1, Super Speed 2

Color Line
Aker Yards, Rauma, Finland
Deck 9, piping systems installation

m/s Galaxy

Tallink Group
Merima Oy at STX Europe, Rauma
Deck 6-7, piping systems installation

m/s Victoria

Tallink Group
Merima Oy at STX Europe, Rauma, Finland
Deck 6-7, piping systems installation

m/s Jascon 25

Portable water system replacement

m/v Jascon28

Accommodation area refurbishment

m/s Clipper Odyssey

ISP USA
Observation lounge, main dinning room
Cabins refit

m/v Eckerö

Accommodation area complete refit
Eckerö Linjen

m/s Finlandia

Cabins refit
Eckerö Line

m/s Sea Voyager

Accommodation area refurbishment
FleetPro
USA, Florida

m/v Superstar

Tallink Group (on behalf of Fincantieri)
Interior refit

m/s Af Chapman

Stockholm, Sweden
Refurbishment ca 3000 m2

m/v Global 1200

Steel conversion
DAMEN Shiprepair
Rotterdam, Netherlands

m/v Seven Pacific

Seven Pacific
Steelworks
DAMEN Shiprepair
Rotterdam, Netherlands

MSC Magnifica

PS hull repair/frame
PS and SB rudders
Bilge keel
Stern thrusters repair
Bow thrusters corroded areas repaired

m/s Randgrid

Assistance Company APL for Gooseneck modification

m/s Merwedegracht

Installation of generator

m/s Zillertal

Rudder side plates to be welded

m/s Rotterdam

Self-emptying suction bends
Repair self-emptying channel regulating valves
Repair self-emptying valves
Gate valve repairs
Jet Pipe to be repaired

m/s Seven Borealis

Steel repair works: Void Spaces - Hull repair - Deck repair - Tanks Funnel - Gratings
Access platforms - Fairlead Rolle

m/s Happy Rover

Renew of Cargo Hold Hatches

m/s Bylgia

Modifications of Gratings
Fabrication of walkway for top deck platform
Installation of platform stiffeners
Modification of care ladder
Installation of Bumper frames
Installation of electric cable trays
Sea Fastenings base frame and T-Bar on deck
Installation of ROV Platform on the vessel

Box tanker

Steel repair/renewal in WBT 4 SB FR 64
Steel repair/renewal steel WBT 2 PS FR 84/83
Steel repair/renewal steel WBT 3 PS FR 75

m/s Stanislav Yudin

Fabrication new AC unit on the second deck

m/s Sigas Margrethe

Job on Bulbous bow dented PS
Dented shell plating SB

m/s Seajacks Hydra

Installation of foundations for accommodation containers
Installation of foundations for generators and diesel tank
Modification of stair tower platform
Installation of safety railings
Fabrication cable supports
Renew damage platform on SB
Fabrication of foundations for fuel bunkering
Foundations for electrical connections

m/s Rio Thompson

Rudder steel repair
Bow thruster steel repair
Renew Cargo hold hatches
Renew cell guides
Renew cargo hold coaming

m/s Highland Laird

Repair of hull steel and plates inserts
Crack repair in the steering gear room

m/s Wilson North

Steel repair and welding

m/s Thresher

Steel repair and welding

m/s Smitbarge 8

Steel repair and welding

m/s Rotterdam

Steel renewal and piping repair

m/s Nordic Gas

Installation assistance at cargo condenser works

m/s Marah Sagitta

Renewal of shell plating 6 SB and 1 PS
Installation of rope guard

m/s Maersk Barry

Steel repair of shell plates

m/s Gerd

Install assistance Tenfjord steering gear

m/s Geopotes 15

Steel repair

m/s Atlantic Hawk

Anodes installation

m/s Akerdijk

Welding assistance for rudder steel repair

m/s Blue Stream

Renewal of bulkhead plates, including longitional between cargo hold and water-ballast wing tank-18 tons

m/s Stanislav Yudin

Steel renewal works
Damen Shiprepair
Rotterdam

m/s Jascon25

Rolls Royce Azimuth thrusters repair
Sea Trucks Group
Indonesia

Pipelay vessel “Castoro Sei”

Installation of T-rails on internal ramp ceiling
Damen Shiprepair
Rotterdam, the Netherlands

Tug “Smit Angola”

Mechanical Assistance of x2 Thrusters
Damen Shiprepair Rotterdam
the Netherlands

Pipelay barge “Tertnes”

Mechanical Assistance of x6 Thrusters & Steel repair
Damen Shiprepair Rotterdam
the Netherlands

m/v Polarcus Naila

Upgrading of storage winches
Damen Shiprepair Rotterdam
the Netherlands

Diving support vessel “Orelia”

Overhaul of x6 thrusters
Damen Shiprepair Rotterdam
the Netherlands

Diving support vessel “Bar Protector”

Overhaul of x2 Azimuth Thrusters and x1 Bow Thruster at Damen Shiprepair Rotterdam, the Netherlands

m/s Akademik Sergey Vavilov

Turn-key installation
Marioff Corporation, Poland

m/s Cape Brindisi

Over 33 tons steel structure prefabrication and replacement
Damen Shiprepair
Brest, France

m/s Alandia

Rederi AB Eckero
Public areas refurbishment ca 680 m2

m/s N.V. Gogol

100-year old river cruise ship
Shipyard Zvyozdochka, Severodvinsk, Russia
Refit: aft and fore saloons, main dining room

m/s Romantika

Tallink Group
Merima Oy at STX Europe, Rauma, Finland
Deck 6-7, piping systems installation

m/v Patria Seaways

M/E Sulzer 8ZA40S and A/E Mitsubishi S6R engine repairs

Helsinki tunnel

Marioff Corporation
Helsinki, Finland
Hi-Fog installation, ca 1,5 km

Structural engineering

High engineering competence in structural engineering

Retrofit Systems & Piping

High engineering competence in various retrofit projects

Systems & Piping

CAD design of scrubber systems, fuel feeder modules, ballast water systems

Complex interior solutions

3D design of complicated areas

Interior design

Basic & detail interior design, lower vibration design

Glass structures

Design and engineering of glass structures for next-generation cruise ship

m/s Celebrity Silhouette

SMO and GRE pipelines replacement.