Changing the vessel’s purpose or making a significant change to its capabilities is always a big engineering challenge. Luckily, our background is ship repair and new building yard support. We know the importance of precise design, preserving the unit’s safety, being on schedule and providing great customer service during the survey, repair, and conversion.

Our experience in this field, among other projects, includes the conversion of OHT’s Albatross from an oil tanker to a heavy lift vessel. To carry out such a significant shift in mechanics, size, and shape of the ship successfully, our team needed to pair the decades-long experience of the project’s chief designer with the most contemporary software. Having executed advanced calculations and precisely planned every step of the construction, they managed to preserve the ship’s stability and prepare it for its new duties.

MAJOR CONVERSIONS
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Albatross OHT
CONVERSION TO SEMI-SUBMERSIBLE HEAVY LIFT VESSEL
CUSTOMER
OHT
LOA
204.00 m
CARGO DECK LOAD
30 T/m2
DEADWEIGHT
34797 T
MAIN PURPOSE
transportation of heavy cargo in oil and gas in the high seas, transportation of the components for offshore-wind operations
BREADTH
42.50 m
DEPTH TO MAIN DECK
11.85 m
DRAUGHT
10.80 m / submerged - 32.80 m
PROPULSION
main engine – 2 x 13280 kW / 127 rpm,
speed max. – 14 kn
ACOMMODATION
crew – 39 persons
CARGO CAPACITY
Deadweight - 34797 T
Cargo deck load - 30 T / m2
Length of cargo deck - 129.50 m
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Danah Explorer
CONVERSION TO YAHT
CUSTOMER
Ocean Research Group
LOA
67.28 m
MAX SPEED
11.40 kn
DEADWEIGHT
937 T
MAIN PURPOSE
private pleasure yacht
The vessel was an ocean research vessel, formerly an offshore supply vessel that was reactivated and converted originally in 2005 (M/Y Paladin Shadow) in 2006 (M/Y Peaceful Fish) and again in 2011 (M/Y Save Our Seas). The vessel is classed by Bureau Veritas as private pleasure yacht and the classification is to remain the same.
SCOPE OF THE PROJECT
Adding a new deck dedicated to the owner's use - with the owner's stateroom, private lounge, gym, and spa,
Creating a movie theatre,
Upgrade of the audio visual and IT system,
Relocation of the helipad,
Creating of a new open sun deck,
Adding an elevator serving all decks.
OFFSHORE PLATFORM / RIG CONVERSIONS
Atlantic Amsterdam
CONVERSION TO ACCOMMODATION
CUSTOMER
Nordica Offshore
LOA
74.75 m
MAX USABLE LEG LENGTH
110 m
MAIN GOAL
conversion to accommodation -three-legged jack-up type T-2600-C1
Completely refurbished in 2013, the rig proposed a high standard accommodation for up to 136 POB.
SCOPE OF THE PROJECT
  • naval architecture and ship theory,
  • hydrostatic and structural strenght calculations,
  • steel hull and structure including reinforcement technology,
  • machinery and piping systems,
  • detail design including wokrshop drawings,
  • as build documentation.
Atlantic London
CONVERSION TO ACCOMMODATION
CUSTOMER
Nordica Offshore
LOA
81.30 m
MAX USABLE LEG LENGTH
91.44 m
MAIN GOAL
Conversion to accommodation - three-legged jack-up type T-2600-C1
Completely refurbished in 2013 and became a high standard accommodation.
SCOPE OF THE PROJECT
  • naval architecture and ship theory,
  • hydrostatic and structural strength calculations,
  • steel hull and structure including reinforcement technology,
  • machinery and piping systems,
  • detail design including wokrshop drawings,
  • as build documentation.
Atlantic Tiburon III
CONVERSION TO ACCOMMODATION
CUSTOMER
Nordica Offshore
LOA
54.00 m
MAX USABLE LEG LENGTH
91.00 m
MAIN GOAL
Conversion to accommodation - three-legged jack-up of the Friede & Goldman L-780 Mod II design
SCOPE OF THE PROJECT
  • naval architecture and ship theory,
  • hydrostatic and structural strength calculations,
  • steel hull and structure including reinforcement technology,
  • machinery and piping systems,
  • detail design including wokrshop drawings,
  • as build documentation.
Petrobaltic
CONVERSION
CUSTOMER
Rosetti Marino S.P.A.
LOA
84.00 m
MAX DRILL DEPTH
350.00 m
MAIN GOAL
Conversion of Petrobaltic drilling Jack-up Rig into an offshore oil production centre
Kvaerner - Edward Grieg
CONVERSION
CUSTOMER
Vistal Offshore Sp. z o.o.
LOA
185.50 m
Edvard Grieg is an oil field in block 16/1 in production licence PL338, in the North Sea, 180 kilometres west of Stavanger. It is operated by Lundin Petroleum.

The topside consists of a main deck module, a combined utility module and living quarters, a process module and a flare tower. The main deck module and the combined utility module and living quarters have both been moved to barges at Stord, ready for tow-out to the field. The process module is also ready on a barge at Aker Solutions in Egersund, Norway, and the flare tower is completed and ready for delivery directly offshore from the subcontractor in Poland.

OTHER PROJECTS
project name
unit type
customer
scope of the project
FF Gunnerus
Polarkonsultas AS
workshop documentation of a new block
MY Oceanic
Polarkonsultas AS
piping system diagrams
Caribbean Fantasy
Tillberg Design International
engineering services
46 Mattea
OHT
engineering services

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