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Engineering and design

Seartec specializes in sustainable maritime engineering and design services for marine assets and offshore structures. Our expertise extends beyond traditional fixed-bottom solutions to include future floating assets. We offer comprehensive designs for all components within the defined scope, whether it’s for the entire asset or specific parts of a system, from feasibility studies to detailed design. Ensuring operational functionality and maintainability as a key focus in our design process.

Our expertise encompasses structural design services, load evaluations, stability calculations, and seakeeping analyses. Additionally, we deliver innovative solutions for jacket foundations, monopiles, floaters, and semi-submersibles. Our services include structural FEED designs, design optimization, T&I engineering, and advanced hydrodynamics for floating structures, ensuring robust and efficient engineering solutions tailored to the unique challenges of the offshore and maritime industry.

Structural design and
engineering services

  • Innovative structural solutions incl. jackets, monopiles, floaters, and semi-submersibles.
  • Comprehensive structural design and engineering services, from conceptual to detailed engineering phases focusing on a safety-by-design philosophy.
  • Preparation of feasibility studies.
  • Verification of conformity in relation to national permitting requirements and offshore guidelines like DNVGL, NORSOK, DIN, ISO 19902, or API.

Design feasibility
studies

  • Comprehensive assessment of project viability, including technical, economic, and environmental factors.
  • Detailed analysis to identify potential challenges and optimize design solutions.

Load evaluation
and calculation

  • Accurate evaluation, simulation, and calculation of loads for marine and offshore structures.
  • Ensuring safety and stabiltiy through precise analysis and modelling software.

3D & FE
modelling

  • Advanced 3D and finite element (FE) modelling for detailed and accurate structural analysis by means of utilizing state-of-the-art engineering tools & software.
  • Enhancing design precision and assessment of design performance in relation to client’s & project’s needs.

Geotechnical
and pile drivability

  • Expertise in pile-soil interaction (PSI) for offshore structures.
  • Pile drivability studies to ensure efficient and secure installation of foundations.

Transport and installation engineering

  • Comprehensive engineering solutions, including load-out, transport, and installation procedures.
  • T&I engineering including solutions for the safe and efficient lifting of heavy offshore components.
  • Towing concepts for floating offshore wind structures.

Sea-fastening
design

  • Specialized design of sea fastening systems for secure transport of offshore structures.
  • Ensuring stability and safety during marine operations.

Maritime
engineering

  • Comprehensive engineering solutions for maritime structures and vessels.
  • Expertise in hydrodynamics, structural integrity, and marine operations.

Engineering for
operation and maintenance

  • Tailored engineering solutions for the operational phase and maintenance of offshore assets.
  • Focus on enhancing efficiency, safety, and longevity of structures by means of developing operational procedures and/or post-construction designs.
  • Retrofit design campaigns to reinforce and improve existing structures.

Naval architecture and
floating offshore wind

  • Innovative solutions for floating offshore wind platforms, ensuring stability and performance.
  • Provision of naval architecture expertise for the design and analysis of floating structures.
  • Expertise in design reviews, load evaluations, stability calculations, and advanced hydrodynamics.

Engineering

Marine Services

QHSE Services

Offshore Experts

Since 2023, we have embedded sustainability concepts into our daily operations through an internal awareness initiative. This initiative includes educational materials, practical tips, insights on current topics, and interactive events such as the Green Kayak Tour or excursions on environmental topics. We also prioritize suppliers for after-work and customer events that incorporate ecological aspects, such as the “Energiebunker” in Hamburg Georgswerder. Our daily operations reflect our commitment to sustainability, from an electric company pool car and company bikes to sourcing sustainable electricity and gas. 

Vita Bennet Möller

Managing Director
Elbe1

Bennet Möller, Managing Director of Elbe1 since 2023, initially joined the company in 2016 as a Technical Project Manager. Throughout his professional career he has acquired extensive experience in renewable energy project development and construction across Europe, the US, and APAC regions, consulting on various aspects such as M&A, TDD, EPCI and compliance management  of offshore wind farms. He holds Bachelor’s and Master’s degrees in Industrial Engineering.

Vita Jelte-Steffen Hipp

Managing Director
Elbe1

Jelte-Steffen Hipp, Managing Director of Elbe1 since 2023, has more than 15 years of experience in renewable energy, demonstrated in several international engineering projects, as well as certification, service, and warranty cases. He holds a Master’s Degree in Sustainable Energy Systems from Chalmers (Gothenburg) and a Bachelor’s in Energy and Environmental Engineering from TU Hamburg. 

Vita Alexander Vogel

Managing Director
Con4Mare

Alexander Vogel, holds a diploma in Naval Architecture and has been Managing Director at Con4Mare since 2013. With over 15 years of distinguished experience in the offshore wind industry, he has led international projects in various roles, specializing in Marine Operations and Marine Warranty Survey. Additionally, Alexander is an authorized expert in HDT for cranes and lifting equipment, as well as in the examination of wire ropes in cranes

Vita Andreas Puls

Managing Director
Con4Mare

Andreas Puls assumed the role of Managing Director at Con4Mare in 2023. Graduating with a degree in physics and specializing in material science, he shifted to project certification for offshore wind farms in 2011.

With over a decade of experience across various positions, he has spearheaded numerous projects in certification.

Vita Hagen Heesch

Managing Director & Senior Structural Engineer
Seartec

Hagen Heesch, Managing Director of Seartec and CTO (ppa) of SeaRenergy Offshore Holding, brings 15 years of offshore wind experience with a strong focus on engineering, design, certification, and permitting. As the founder and initial owner of Elbe1 – a member of the SeaRenergy Group, he has played a key role in shaping engineering and consultancy services within the offshore sector.

 

Since joining SeaRenergy Offshore Holding in 2019, he has overseen the group’s engineering activities and was appointed CTO (ppa) in early 2023. In addition to his group-wide responsibilities, he now leads Seartec, driving innovative offshore design solutions and strengthening the company’s engineering expertise.

Vita Natalia Kress

General Manager, COO
SeaRenergy

Natalia Kress joined SeaRenergy as General Manager (ppa) in 2017. In early 2023, she was appointed as COO at SeaRenergy, overseeing the Sales & Execution department.

She has 15 years of experience in the offshore industry, especially in the installation and operation phases of offshore wind farms with a particular focus on heavy lift vessels and O&M offshore logistics. 

Vita Jan Boje Steffens

Managing Director
SeaRenergy

Jan Boje Steffens is the co-founder of SeaRenergy. He has more than 30 years of experience in the shipping industry, especially in the segments of breakbulk, heavy lift, and project cargo.

 

Until 2012, Jan was CEO and Partner of the Rickmers Group. Thereafter, he took the post as Managing Director of SeaRenergy.

Johann Philipp - General Manager SeaRenergy

Vita Johann Philipp

General Manager 
SeaRenergy

Naval architect Johann Philipp joined SeaRenergy’s BorWin / HelWin Project Team in September 2011 as an engineering consultant. He formally joined SeaRenergy in January 2013 and became General Manager (ppa) in 2016. 

With more than 20 years’ experience in structural engineering, Johann possesses a wealth of knowledge in conceptual and detailed ship design issues, technical project planning, and marine warranty surveys.

Vita Beispiel

Managing Director
CEO

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Vita Johann Philipp

Managing Director
CEO

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Vita Benjamin Vordemfelde

Managing Director, CEO
SeaRenergy

Benjamin Vordemfelde joined SeaRenergy as Head of Business Development in 2013 and became Managing Director in 2014.

He has extensive corporate experience including 15 years of involvement in the shipping and media industries in the fields of Business Development, Investor Relations, Public Relations, and Asset Management.

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