Main areas of activity

  • Conceptual design,
  • Consultancy,
  • Class drawings incl. approval of documentation in classification societies
  • FEM calculations & models,
  • Workshop documentation
  • Nesting & lofting documentation
  • Mechanism and machine design (incl. kinematics and dynamics)
  • Vibration analysis,
  • Carrying out vibration measurements,
  • Hydraulics, and pneumatics,
  • Technical assistance and documentation approval
  • Approval of documentation in classification societies


What can we design ?

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Marine and offshore industry

  • Complete shaft lines and propulsion systems,
  • Steering system,
  • FPP and CPP thrusters for marine industry,
  • Oil distribution and feedback systems,
  • Control panels for ship automation systems,
  • Watertight doors, hatch covers and manholes,
  • Hydraulic jacks and mechanical lifters,
  • Generator sets and housings,
  • Operator cabins,
  • Deck cranes and davits,
  • Steel foundations for equipment,
  • Various constructions and devices for ships, yachts, tugs, barges etc.,
  • Ship fans,
  • Bollards,
  • Testing stations for spin, pressure and load test,
  • Bonding tools for marine shaft seals.

Ship systems

(statki pełnomorskie i śródlądowe, jachty, barki, platformy pływające itp.)

  • Balast Water Treatment System (BWTS) - preparation of full class documentation of BWTS retrofit projects based on the requirements of classification societies (piping & electrical diagrams, ballast water management plan, general arrangement update) including the following packages:
  • Preliminary concept design, incl. 3D laser scanning,
  • Final concept design of pipeline systems,
  • Class approval documents of pipeline systems,
  • Detail design,
  • Project Management (PMA),
  • Supervision Service (SUS) – on-site in the shipyard.
  • Selective Catalytic Reduction (SCR) regarding seagoing ships,

Other areas of activities

(onshore, mining, construction, heavy industry etc.)
  • Various steel constructions,
  • Bollards and calculating their anchorage,
  • Sliding doors / gates with hydraulic drive,
  • Conveyor – belt, backet, screw,
  • Knife gates,
  • Rotary gates valves,
  • Dedusting filters,

Calculation and measurements including

  • FEM analysis & calculations (FEM models),
  • Shafts, propeller blades, housings, bushings, etc.,
  • Transmission gears (bevel gears),
  • FPP and CPP propellers,
  • Bearing reactions,
  • Individual structural joints,
  • Vibroacoustics (noise level measurements / torsional vibration analysis -TVA),
  • Other advanced as-built measurements,
  • Analysis of hydrodynamic processes (CFD),

Other activities

  • Performing conceptual designs of Ballast Water Treatment Systems (BWTS)
  • Selection of an appropriate method of ballast water treatment depending on the vessel,
  • Feasibility study of the project (analysis of the existing ballast system on the vessel in terms of BWTS installation, arrangement and arrangement of new devices in cooperation with the point cloud);
  • Selection of electric or hydraulic motors in propulsion system and seals on drive shafts,
  • Optimization / modernization of existing propulsion systems and other devices (retrofits),
  • Kinematic analysis of complex mechanisms.

Who are we working with ?

constant cooperation with world-renowned product suppliers

Jastram, Cummins, Kemel, HamiltonJet, Vulkan, Twin Disc, Effer, Melcal, Nanni, Erma First, POT, ABB, Siemens, SKF, Shaeffler, Ata Gears Oy itd.

scientific and research institutions

classification societies

w tym DNV-GL, PRS, BV, ABS, RINA, RMRS, LR itp.


(incl. Gdańsk University of Technology and Warsaw University of Technology)

scientific and research institutions

(incl. Maritime Advanced Research Centre (CTO), Institute of Fluid-Flow Machinery Polish Academy of Sciences (IMP),


Special Tasks

Bota Technik’s team of shipbuilding designers is always ready for and open to any kind of innovative and untypical engineering challenges. we invite you to entrust us with such tasks – we will accept themwith open arms.


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