OWT's maritime services

The area of ​​maritime services has grown steadily in recent years and OWT's day-to-day business can no longer be imagined without it. The spectrum ranges from the construction and calculation of transport racks and the creation of stowage plans to the support of shipping companies in the design process for new buildings.

We have established long-term and very efficient relationships with our customers and partners in the Netherlands, Poland and Germany. Our short response times, the high quality of our services, our reliability and loyalty to our customers are the key to OWT's success.

Our services include in detail:

  • Stowage plan
  • Sea state calculation
  • Strength calculations of hatch covers and tweendecks
  • Design and construction of load distribution elements for e.g. hatch covers
  • Construction and calculation of equipment components for seagoing vessels
  • Advice on stowage planning for large and heavy project cargo


We carry out our services with the most modern software tools and continuously train our employees:

  • Delftship
  • SolidWorks
  • AutoCAD
  • Autodesk Inventor


The design follows EuroCode with additional guidance by DNVGL ST-N001 or BV NR 467.