The experience of the Portaris team includes the implementation of hydrotechnical and infrastructure projects as well as underwater works, gained through many years of professional practice.
The following projects represent the experience of team members gained through projects across Poland. We have fulfilled roles such as construction supervision, design, contract management, and project implementation. Each of these projects is a separate lesson in managing investments under demanding technical and organizational conditions.

Do you have a similar project?
Contact us, we will analyze the project and propose an optimal technical solution.
Key Projects
Eastern Breakwater in Świnoujście
Contract engineer, key hydrotechnical project of strategic importance for the region’s port infrastructure.
Marina in Szczecin (stage Ib)
Construction supervision inspector, oversight of hydrotechnical infrastructure implementation, including a bascule bridge-footbridge.
Reconstruction of Starówka Quay
Contract and project manager in “design and build” formula, design and execution of hydrotechnical works.
Modernization of Fishing Port in Dziwnów
Participation in implementation and supervision, modernization of port infrastructure with hydrotechnical elements.
Flood Protection Embankment Miroszewo, Brzózki
Construction supervision, embankment reconstruction under demanding soil and water conditions.
Chemików Quay in Świnoujście
Construction and detailed design, adaptation of hydrotechnical structure to new operational functions.
Marina in Wapnica (Międzyzdroje)
Construction supervision inspector, oversight of port infrastructure implementation and development.
Quay Assessments (including Baltchem)
Analysis of load capacity and handling capabilities of quays, including for port equipment (Gottwald, Liebherr).

Other Experience
Hydrotechnical and port facilities
Repairs and reconstructions of quays in Szczecin and Świnoujście, yacht marinas (Niechorze, Wapnica), coastal revetments (Rewal, Trzęsacz, Chełminek).
Road and bridge infrastructure
Road reconstructions in Szczecin and Świnoujście, forest road (Resko Forest District), modernization of flood protection embankments.
Documentation and expert opinions
Water permits documentation, environmental documentation, hydrotechnical and infrastructure projects, technical concepts and analyses.
Selected projects
Below we present selected projects from our portfolio — only a portion of the tasks completed by our team.
Investment supervision, Contract Engineer and Project Manager
- Investment supervision inspector — “Reconstruction of the marina on Bielawa Island”
- Investment supervision inspector — “Repair of the quays at Beniowski Boulevard in Szczecin”
- “Project Manager” — “Construction of foundations for erecting the mast from the ship »Kapitan Konstanty Maciejewicz« on Gdynia Boulevard”
- Investment supervision inspector for all trades — “Renovation of the Castle Route (Trasa Zamkowa) along voivodeship road no. 115 in Szczecin – northern carriageway”
- Contract Engineer — reconstruction of district and municipal roads in Świnoujście in 2017–2018
- Project Manager — “Syrenie Stawy – biodiversity protection centre in the Las Arkoński Forest Park” (design-and-build)
- Supervision inspector — “Construction of the DGS Poland Logistics Centre: warehouse hall with the necessary infrastructure” (Mierzyn / Skarbimierzyce, Dobra municipality)
- “Stuchowska Struga river – reconstruction of the river bed at km 0+300 – 5+570” – supervision
- “Dziwnówek drainage pumping station – reconstruction of the hydraulic part together with a sanitary sewer connection” – supervision
- Supervision inspector — “Repair of the shoreline of Bielawa Island in Szczecin”
- Kamionka Wind Farm – supervision inspector (road works)
Hydrotechnical design
- “Reconstruction of the Spółdzielcze quay, section II, in the Dębicki Canal in the Port of Szczecin” – construction and detailed design
- “Construction of a group of groynes in Trzęsacz” – construction design
- “Reconstruction of the western quay of the Elbląg River along Granary Island” (Revitalisation of the city centre – development of the tourist functions of Elbląg) – construction and detailed design
- “Yacht marina in Niechorze on the Liwia Łuża canal, Rewal municipality” – construction and detailed design of the Yacht and Technical quays and the shore reinforcement
- “Riprap shore revetment of crushed stone protecting the shores of Chełminek Island on the Szczecin Lagoon” – construction and detailed design
- “Construction of a sailing marina in Biała Góra” – construction design (dolphin marina with floating pontoons, yacht basin, slipway)
- Beach access (reinforced-concrete stairs on piles with a platform and a wheelchair ramp) in Międzyzdroje at Promenada Gwiazd street – construction and detailed design
- “Ports of the Szczecin Lagoon – improving infrastructure quality as a chance for development” – designs and design studies
- “Reconstruction of the Southern quay in Trzebież” – update of the construction and detailed design
- “Reconstruction of the eastern quay of the Elbląg River between Mostowa and Studzienna streets, at Zygmunt August Boulevard in Elbląg” – construction and detailed design
- “Reconstruction of the Spółdzielcze quay in the Dębicki Canal in the Port of Szczecin” – concept design
- Concept design for the reconstruction of the Czeskie and Słowackie quays in the Port of Szczecin (technical depth 12.5 m, permissible depth 13.5 m)
- “Adaptation of the ferry terminal infrastructure in Świnoujście for intermodal transport. Reconstruction of ferry berths no. 5 and no. 6” – concept design, hydrotechnical part
- Concept design for ship berths (on dolphins) on the Skolwiński Canal in Szczecin, alongside a planned liquid fuels and chemicals depot
- Partial renovation of the superstructure of the Odra Stare quay in Szczecin – design study
- Reconstruction of the shore reinforcement at stormwater outfall WD33 at the Sosnowieckie quay in the Port of Szczecin – architectural and construction design
- Stormwater collector crossing through the Superfosfat quay in Szczecin – construction and detailed design
- Marina of the Inter-School Sports Centre at 19 Przestrzenna street in Szczecin-Dąbie – construction and detailed design: floating pontoons and breakwaters, slipway, shore reinforcement of gabion baskets and mattresses, dredging works
- Crushed-stone shore revetment protecting the cliff in Rewal (km 371.800–372.600) – design study
- Crushed-stone shore revetments protecting the cliff in Trzęsacz (km 372.820–372.950 and km 373.000–373.700) – design studies
- Technical beach access ramps founded on piles: Międzywodzie (extension of Szkolna street) and Łukęcin (extension of Morska street) – construction and detailed designs
- Beach access ramp as part of the reconstruction of Plażowa street in the Seaside District of Świnoujście – construction and detailed design
- Technical beach access ramp in Mrzeżyno (extension of Świerczewskiego and Słoneczna streets) – architectural and construction design
- Shore revetment with a promenade deck at a hotel complex in Międzyzdroje – construction design
- Permanent beach access ramp and shore revetment at Bohaterów Warszawy street in Międzyzdroje – construction and detailed design
- Reconstruction of fish pond facilities in Nabłotno and Janików, Lubuskie Voivodeship (pond embankments, desilting, restoration of equipment) – design documentation (2011)
Technical expert opinions
- A series of technical expert opinions on cargo handling with Gottwald mobile cranes (HMK 260 E / HMK 3405 / HMK 4406) and Liebherr (LHM 280 / LHM 420) at the Port of Szczecin quays: Słowackie, Czeskie, Fińskie, Węgierskie and Rumuńskie
- Technical expert opinion on cargo handling using an Atlas 520mh crane at the Warsztatowe quay in the Port of Szczecin
- Technical expert opinion on changing the mooring method for self-unloading vessels at the Chorzowskie quay in the Port of Szczecin
- Technical expert opinion on changing the use of the Sosnowieckie quay in the Port of Szczecin – determination of permissible loads from stored mineral aggregate (2018)
- Structural calculations for the construction design “Expansion of port infrastructure at the Górnośląskie quay in the Port of Szczecin – extension of the landward crane rail for the Tukan 1500-40 crane”
- Technical expert opinion: commissioning of the Postojowe quay in the Port of Szczecin (Baltchem S.A. site)
Roads, bridges and building structures
- Reconstruction of Potulicka and Narutowicza streets in Szczecin (road length 1.5 km, class L and G)
- Design for the construction of Maciejkowa street with underground retention tanks
- Construction of a forest road in the Dąbie forestry, Wyszobór precinct (length 4.3 km), Resko Forest District
- Construction of a warehouse and packaging hall with an office and social part in Łozienica, Goleniów municipality (hall volume 26,244 m³)
- “Renovation of the alleys in Żeromski Park in Szczecin” – preparation of design and cost-estimate documentation
- Advisory services for the preparation of the investment “Construction of the Animal Shelter in Szczecin”