Jerzy Pietrzak

BoDo constructor project required a very thorough research and several iterations already at the concept stage due to the very high requirements for load capacity, draught and a very precise process of laying the cable at the seabed while maintaining full autonomy of the unit. Elements of jack up, mooring and anchoring systems have been combined to create a unique system for moving the object. Today, the vessel works very effectively in the North Sea and German coastal waters, being an important source of income for the shipowner.

Mr. Jerzy Pietrzak, Technical Director

OUR OWN DESIGNS

SEE VIDEO PRESENTATIONS AND LEAFLETS

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BoDo Constructor

CABLE-LAYING BARGE


CUSTOMER: Bohlen&Doyen GmbH
LOA: 120.27 m
CARGO DECK LOAD: 15 T/m2
DEADWEIGHT: 9264 T
MAIN PURPOSE: laying cables in the seabed, serving as a logistic base for installation of offshore wind farms in the Northern Sea

BREADTH: 32.00 m
DEPTH TO MAIN DECK: 6.60 m
DRAUGHT: 3.50 m
PROPULSION: main engines – 3 x Mitsubishi S12R-MPTAW, 4 x azimuth thrusters with Dynamic Positioning System
ACOMMODATION: crew – 50 persons
CARGO CAPACITY: Deadweight – 9264 T
Cargo deck load – 15 T/m2
Cargo Deck Area - 2196/m2
Cable capacity - 30 km (5000 T)

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Wind Constructor

JACK-UP WINDFARM INSTALLATION VESSEL


CUSTOMER: TBA
LOA: 186.50 m
CARGO DECK LOAD: 15 T/m2
DWT LIFTING: 15000 mT
MAIN PURPOSE: transport and installation of offshore wind farms on waters up to 80 m of depth

The main intention of the proposed concept of the Windfarm Installation Vessel was to reduce ship length and to obtain the optimal DWT lifting capacity.

BREADTH: 56.00 m
DEPTH TO MAIN DECK: 11.60 m
DRAUGHT: 5.50 m
PROPULSION: azimuth stern thrusters at aft – 3 x 3000 kW,
bow retractable azimuth thursters – 2 x 3000 kW,
bow thruster – 1 x 3000 kW,
diesel generators – 6 x 4000 kW
ACOMMODATION: crew – 50 persons
CARGO: DWT lifting – abt. 15000 mT,
cargo deck load – 15 T/m2,
cargo Deck Area – 6200 m2,
main crane – 1600 mT at 87 m outreach,
auxiliary cranes – 2 x 15 mT at 25 m outreach
INSTALLATIONS
CARGO "A" – MONOPILE INSTALLATION: monopiles: 5 x 80x8 m (2000 T each),
skid kard: 300 T,
upending tool: 150 T,
pile gripper frame: 400 T,
storage cradles: 1000 T,
hydrohummer: 400 T,
noise mitigation: 400 T,
lifting tool: 100 T
CARGO "B" - TOWERS INSTALLATION: towers: 6 x 1000 T,
nacelle: 6 x 4500 T, blades: 19 x 100 T,
lifting tool for towers: 10 T,
lifting tool for nacelle: 10 T,
lifting tool for blades: 120 T,
storage grid for blades: 120 T,
securing outfit: 100 T
CARGO "C" - JACKETS INSTALLATION: jackets: 4 x 1500 T,
grillage/rigging: 4 x 100 T,
other equipment: 1500 T

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Trimor

RESEARCH VESSEL


CUSTOMER: Gdańsk Maritime Institute
LOA: 55.58 m
CARGO DECK AREA: 300 m2
ENDURANCE: 21 days (30 persons)
MAIN PURPOSE: carrying and operating research equipment, enabling scientists to work onboard

Trimor is designed and equipped for:

  • performing bird and mammal observation, operation of the system for acoustic observation of the presence of marine mammals (C-POD),
  • measuring wind masts during the period of measurements at fixed locations,
  • issuing and service of buoys and super-buoys (measuring up to 10 T + up to 30 T of the necessary equipment) for measuring hydrometeorological conditions,
  • bathymetric and geophysical measurements for the needs of wind farm construction, using built-in or mobile measuring equipment mounted on board, in the hull or towed behind the ship's stern or along ship's sides,
  • being the carrier and base ship for at least 3 autonomous AUVs (Autonomous Underwater Vehicles) with the necessary equipment (2 x 20' containers for each AUV) and a joint launching and lifting system (LARS), weighing approx. 30 T in total,
  • being the carrier and base ship for 2 remotely controlled undersea drills (Portable Remotely Operated Drills) with the necessary equipment (3 x 20' containers) and a joint launching and lifting system (LARS), weighing approx. 140 T in total,
  • carrying the remotely controlled medium-sized underwater ROV vehicle with the necessary equipment (2 x 20' containers), weighing approx. 12-16 T in total,
  • carrying the CPT device with the necessary equipment, weighing approx. 3-10 T in total,
  • carrying the Vibrating Probe VKG-3/6 with the necessary equipment, weighing approx. 2 T in total.
BREADTH: 19.60 m
DEPTH TO MAIN DECK: 6.00 m
DRAUGHT: 3.00 m
PROPULSION: main engine – 630 kW / 1500 rpm,
side engines – 315 kW / 1500 rpm,
propellers – 3 x azimuth thursters,
speed max. – 14 kn
ACOMMODATION: crew – 18 persons,
scientists – 12 persons
CARGO CAPACITY: Deadweight – 300 T
Cargo capacity – 180 T
Workshop – 80 m2
Hold capacity – 190 m2
Containers capacity – 9 pcs, 8 T each
Cargo deck – 300 m3
SPECIAL EQUIPMENT: built-in bathymetric and geophysical measurement devices,
3 x Autonomous Underwater Vehicles - AUVs (length: 5200 mm, diameter: 720 mm, weight: 1 T each),
2 x Portable Remotely Operated Drills (weight: 12 T each),
1 x medium-sized underwater ROV vehicle (weight: 1 T),
1 x CPT device (weight: 3-10 T),
1 x Vibrating Probe VKG-3/6

OTHER PROJECTS

PROJECT NAME UNIT TYPE CUSTOMER SCOPE OF THE PROJECT
Type 187 Sietas Werft   Pella Sietas Detail Design package - design support at JJ Sietas

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By specialists, for specialists

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We strongly believe that a synergy between the designers, the investor, and the end user leads to a successful and beneficial design. That is why we were delighted to cooperate with Gdańsk Maritime Institute, which lead to the conception of TRIMOR - a functional and reliable research vessel.

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