PROFESSIONAL PROFILE
Alexey Ostroushko
Marine Construction & Sheet Pile Systems Expert

Steel • Composite • PVC Sheet Piles
Shoreline Protection • Quay Structures • Seepage Cut‑Off Systems • Temporary Earth Retention • Retaining Structures

200+ projects | 140,000+ m² sheet piles | 40+ boat lift projects | 18+ yearsа

Regions of Work
Finland / EU | USA | Central Asia | Middle East
Alexey Ostroushko
Marine Construction & Sheet Pile Systems Expert

Steel • Composite • PVC Sheet Piles
Shoreline Protection • Quay Structures • Seepage Cut‑Off Systems • Temporary Earth Retention • Retaining Structures

200+ projects | 140,000+ m² sheet piles | 40+ boat lift projects | 18+ years

Regions of Work
Finland / EU | USA | Central Asia | Middle East
PROFESSIONAL PROFILE
Alexey Ostroushko
Marine Construction & Sheet Pile Systems Expert

Steel • Composite • PVC Sheet Piles
Shoreline Protection • Quay Structures • Seepage Cut‑Off Systems • Temporary Earth Retention • Retaining Structures

200+ projects | 140,000+ m² sheet piles | 40+ boat lift projects | 18+ years

Regions of Work
Finland / EU | USA | Central Asia | Middle East
This section presents a selection of projects I have delivered.

Largest composite sheet pile pier at the time of construction. Caspian Sea, Baku area

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Initial conditions

The project site was formed on a former artificial fill consisting of large reinforced concrete debris including slabs, blocks and fragments of piles. This heterogeneous technogenic material intersected the design alignment of the sheet pile wall and created increased resistance during driving.

Engineering task

Construction of a vertically anchored bulkhead wall with a reinforced concrete cap beam and both above‑water and underwater distribution beams installed along the front face of the wall.

Implementation

Partial clearing of the installation zone was carried out and a steel leader was used to pass through technogenic obstacles. The anchoring system design and construction methodology were developed, including installation of the underwater distribution beam. Engineering leadership of the construction phase was provided.

Project parameters

  • Sheet pile wall area — 8,100 m²
  • Sheet pile — SuperLoc‑1580 (Creative Composites Group, USA)
  • Composite piles — 240 m (Pearson Pilings, USA)
This project was used as an example on Creative Composites Group website 

Shoreline protection for a future development site

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Initial conditions
The shoreline needed to be stabilized to prepare the site for future construction.
Engineering task
Construction of a steel sheet pile wall to stabilize the bank and protect the development area.
Implementation
Steel sheet piles with a length of 15 m were installed using vibratory driving. Two vibratory hammers operated simultaneously to increase installation efficiency. The total wall length exceeded 400 linear meters.
Project parameters
  • Sheet pile wall area — 6,150 m²
  • Material — steel
  • Sheet pile  — VL 606
  • Manufacturer — Vitkovice Steel (Czech Republic)

Sheet pile cofferdam for wastewater treatment plant construction

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Initial conditions
A temporary enclosure was required to stabilize the excavation for the construction of a local wastewater treatment facility.
Engineering task
Installation of a temporary steel sheet pile wall to secure the excavation and allow safe construction works.
Implementation
A steel sheet pile wall was installed around the excavation perimeter. The structure stabilized the soil and provided safe working conditions during construction.
Project parameters
  • Sheet pile wall area — 900+ m²
  • Material — steel
  • Sheet pile  — L5UM
  • Manufacturer — NTMK

Composite sheet pile pier structure

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Initial conditions
The pier required a durable facing solution capable of operating in an aggressive marine environment.
Engineering task
Installation of composite sheet piling along the pier sides with structural integration into the existing pier.
Implementation
A composite sheet pile wall was installed along the pier structure. The upper section of the wall was connected to the existing pier using a reinforced concrete cap beam. Railings were installed and four Up‑N‑Over® personal watercraft lifts manufactured by Boat Lift U.S. Inc. were mounted.
Project parameters
  • Sheet pile wall area — 3,500 m²
  • Material — composite
  • Sheet pile type — SuperLoc‑1580
  • Manufacturer — Creative Composites Group (USA)

Hybrid shoreline protection system

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Initial conditions
The shoreline required stabilization using several structural solutions working together.
Engineering task
Develop a multi‑tier shoreline protection system providing slope stability and erosion protection.
Implementation
The protection system was constructed in four levels. The lower level consists of a vertically anchored composite sheet pile wall with a reinforced concrete cap beam. The middle level includes a reinforced concrete retaining wall. The side slopes were reinforced with geogrid and crushed stone infill. The upper level was formed by a gabion wall.
Project parameters
  • Sheet pile wall area — 600+ m²
  • Material — composite
  • Sheet pile — ShK‑150 UM
  • Manufacturer — NPP Centre Pultrusion

Shore protection using sheet pile and concrete retaining walls

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Initial conditions
The site experienced significant seasonal water level fluctuations, creating a risk of erosion at the shoreline base.
Engineering task
Develop a stable coastal structure capable of withstanding high water levels and preventing erosion at the foundation.
Implementation
A reinforced concrete retaining wall with a height of 5 m was constructed. To protect the base from scour, a composite sheet pile wall was installed along the lower contour.
Project parameters
  • Sheet pile wall area — 800+ m²
  • Material — composite
  • Sheet pile — ShK-150 UM
  • Manufacturer — NPP Centre Pultrusion
Cut-off wall around a decommissioned mercury processing unit of a chemical plant
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Initial conditions

After the shutdown of a mercury production unit, the site required containment to prevent contamination from spreading through groundwater filtration.

Engineering task

Construct a perimeter cut-off wall to limit the migration of mercury-contaminated groundwater.

Implementation

A composite sheet pile wall approximately 600 m long was installed around the site perimeter. The structure functions as a cut-off barrier, restricting the movement of contaminated groundwater. Construction was carried out under elevated mercury vapor concentrations, requiring enhanced personal protective equipment.

Project parameters

  • Sheet pile wall area — 3,400+ m²
  • Material — composite
  • Sheet pile — ShK-150 UM
  • Manufacturer — NPP Centre Pultrusion
Cut-off wall for an ash pond dam
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Initial conditions

The old earth dam of a thermal power plant ash pond experienced intensive groundwater seepage, creating a risk of contaminated water migration.

Engineering task

Construct a cut-off wall within the dam body to reduce seepage flows and improve dam stability.

Implementation

The original design specified steel sheet piles, but they were replaced with composite sheet piles during implementation. This change reduced the overall project cost by about 20%. Sheet piles with a length of 14.5 m were installed using a steel guiding leader.

Project parameters

  • Sheet pile wall area — 1,600+ m²
  • Material — composite
  • Sheet pile — ShK-200 UM
  • Manufacturer — NPP Centre Pultrusion

Shore protection for a sports facility site

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Initial conditions
The shoreline of a sports base required stabilization and site improvement works.
Engineering task
Construct a sheet pile structure to stabilize the shoreline and prepare the area for operation.
Implementation
A full cycle of shoreline protection and site improvement works was completed. Composite sheet piles with lengths of 6 m and 4 m were installed according to the design. A distribution beam made of paired steel channels was installed along the front side of the sheet pile wall.
Project parameters
  • Sheet pile wall area — 450+ m²
  • Material — composite
  • Sheet pile — ShK-150 UM
  • Manufacturer — NPP Centre Pultrusion

Composite sheet pile retaining wall

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Initial conditions
The site required a retaining structure to stabilize the slope soil and prevent ground movement.
Engineering task
Design and install a composite sheet pile retaining wall to support the slope and provide drainage.
Implementation
A composite sheet pile wall was installed. A distribution beam was mounted along the front side of the wall, while a drainage prism was arranged behind the sheet pile row to remove water and reduce hydrostatic pressure.
Project parameters
  • Sheet pile wall area — 250 m²
  • Material — composite
  • Sheet pile — ShK-150 UM
  • Manufacturer — NPP Centre Pultrusion

Riverbank protection against extreme flood impact

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Initial conditions
During spring floods the riverbank experienced severe erosion, threatening nearby private property.
Engineering task
Install a sheet pile structure to stabilize the bank and prevent further erosion.
Implementation
A composite sheet pile wall was installed along the eroded riverbank. A guiding structure was used to ensure accurate pile alignment. A distribution beam was mounted along the front side of the sheet pile wall, and an anchoring system was installed to increase structural stability.
Project parameters
  • Sheet pile wall area — 1,850 m²
  • Material — composite
  • Sheet pile — ShK-150 UM
  • Manufacturer — NPP Centre Pultrusion

Shore protection with two internal distribution beams

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Initial conditions
The site contained an old shoreline structure made of larch logs that had lost its structural capacity.
Engineering task
Construct a new composite sheet pile wall with internal distribution beams to increase structural stiffness.
Implementation
A composite sheet pile wall was installed. Two internal distribution beams were mounted along the inner side of the wall and connected using bolted joints. A composite cap beam was installed along the top of the sheet pile wall.
Project parameters
  • Sheet pile wall area — 200 m²
  • Material — composite
  • Sheet pile — ShK-150 UM
  • Manufacturer — NPP Centre Pultrusion

Pond shoreline reinforcement in a city park

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Initial conditions
The pond shoreline in a central city park required stabilization and formation of a durable waterfront edge.
Engineering task
Create a sheet pile structure to stabilize the shoreline and enable the development of a pedestrian waterfront area.
Implementation
The pond shoreline was reinforced with a composite sheet pile wall. A new shoreline line was formed, allowing the development of a promenade for walking and public events. An anchoring system was installed on one section of the wall.
Project parameters
  • Sheet pile wall area — 1,600 m²
  • Material — composite
  • Sheet pile — ShK-150 UM
  • Manufacturer — NPP Centre Pultrusion

Shore protection with two boat mooring bays

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Initial conditions
The shoreline required reinforcement and the creation of protected areas for motor yacht mooring.
Engineering task
Develop a multi‑level shoreline protection system capable of forming two sheltered bays for boat docking.
Implementation
The shoreline protection was constructed using two types of PVC sheet piles with different mechanical properties for the upper and lower shoreline levels. A reinforced concrete cap beam along the top of the sheet pile wall was integrated with a reinforced concrete promenade running along the entire shoreline. The upper and lower levels are connected by stairways. A central pier made of PVC sheet piles was integrated into the main sheet pile alignment, forming two sheltered docking bays.
Project parameters
  • Sheet pile wall area — 985 m²
  • Material — PVC
  • Sheet pile — SG‑225; SG‑325
  • Technology — Box Profile, XCR
  • Sheet pile manufacturer — CMI (USA)
  • Composite piles — 350 m
  • Pile manufacturer — Pearson Pilings (USA)
Shore protection for a private waterfront property with a boat lift
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Initial conditions

A building located on a private waterfront site required shoreline stabilization to ensure safe operation of the property.

Engineering task

Install a sheet pile system to stabilize the shoreline and protect the building foundation.

Implementation

Shore protection was constructed using two types of PVC sheet piles with different load‑bearing capacities. An anchoring system was installed, and a reinforced concrete cap beam was constructed along the top of the sheet pile wall. The structure stabilizes the shoreline and supports safe use of the coastal area.

Project parameters

  • Sheet pile wall area — 770 m²
  • Material — PVC
  • Sheet pile — SG-225; SG-325
  • Manufacturer — CMI (USA)
  • Composite piles — 60 m
  • Pile manufacturer — Pearson Pilings (USA)
Shore protection for a private waterfront site. Kyiv Reservoir
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Initial conditions

A steep shoreline slope was subject to intensive erosion caused by the waters of the Kyiv Reservoir.

Engineering task

Stabilize the shoreline and prevent further erosion of the slope.

Implementation

A PVC sheet pile wall with an anchoring system was installed. A reinforced concrete cap beam was constructed along the top of the wall. A lowered section was created in the center of the wall to provide convenient water access and boat mooring.

Project parameters

  • Sheet pile wall area — 350 m²
  • Material — PVC
  • Sheet pile — SG-325
  • Manufacturer — CMI (USA)

Two‑level shoreline protection with a boathouse lift

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Initial conditions
A private waterfront site required shoreline stabilization and the creation of a functional waterfront area including a boat lift installation.
Engineering task
Develop a two‑level shoreline protection system providing water access, a dedicated boat lift bay and a stable sheet pile structure.
Implementation
A two‑tier shoreline protection structure was constructed with stepped descents to the water and a dedicated bay for installation of a boathouse lift. A recreational deck was arranged on the roof of the boathouse. Access is provided by a staircase that also incorporates equipment storage. Sheet pile walls were constructed with internal distribution beams. A reinforced concrete cap beam along the upper contour was integrated with a pedestrian walkway. A drainage system was installed behind the sheet pile wall to relieve hydrostatic pressure.
Project parameters
  • Sheet pile wall area — 770 m²
  • Material — PVC
  • Sheet pile — SG-225; SG-325
  • Manufacturer — CMI (USA)
  • Composite piles — 60 m
  • Pile manufacturer — Pearson Pilings (USA)

Shore protection with a dedicated boat lift bay

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Initial conditions
The shoreline required stabilization and the creation of a functional waterfront zone for installation of a boat lift.
Engineering task
Form a reinforced shoreline with a protected bay for a boat lift installation.
Implementation
A PVC sheet pile shoreline structure was installed, forming a dedicated bay for a boat lift. The sheet pile wall was anchored and integrated with a reinforced concrete cap beam along the upper contour. The structure creates a stable waterfront line and a convenient installation area for a boat lift.
Project parameters
  • Sheet pile wall area — 250 m²
  • Material — PVC
  • Sheet pile — SG-225; SG-325
  • Manufacturer — CMI (USA)
  • Composite piles — 60 m
  • Pile manufacturer — Pearson Pilings (USA)

Coastal restoration after storm damage

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Initial conditions
A series of storms damaged existing reinforced concrete coastal structures, leading to partial failure of the shoreline protection system.
Engineering task
Restore the shoreline and construct a stable structure integrated with a new coastal platform.
Implementation
The shoreline was reconstructed using a PVC sheet pile wall. In this project the PVC sheet piles also functioned as permanent formwork for reinforced concrete elements. A reinforced concrete cap beam was constructed along the upper contour and integrated with a new reinforced concrete platform on the restored coastal section.
Project parameters
  • Sheet pile wall area — 180 m²
  • Material — PVC
  • Sheet pile — SG-225; SG-325
  • Manufacturer — CMI (USA)
  • Composite piles — 60 m
  • Pile manufacturer — Pearson Pilings (USA)

Flood protection for a residential area and access road

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Initial conditions
A residential area and its access road were subject to seasonal flooding during high-water periods.
Engineering task
Create a protective sheet pile structure capable of preventing flooding and protecting the road infrastructure.
Implementation
A PVC sheet pile wall was installed to protect the area from flooding and erosion. The anchoring system was designed as a frame consisting of steel screw anchor piles and steel anchor ties made from angle sections. The sheet pile locking system allows significant rotation between elements, enabling the wall alignment to follow sharp bends of the river channel.
Project parameters
  • Sheet pile wall area — 1,750 m²
  • Material — PVC
  • Sheet pile — SP-250
  • Manufacturer — PVXVest

Shore protection with replacement of wooden decking

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Initial conditions
The shoreline near a sauna and boathouse located directly at the waterfront was exposed to erosion and required stabilization.
Engineering task
Stabilize the shoreline while upgrading the surrounding waterfront infrastructure.
Implementation
A PVC sheet pile wall was installed in two sections of the same property to prevent shoreline erosion. The brown color of the sheet piles was selected to match the architectural appearance of the existing buildings. A cap beam made of timber was installed along the top of the wall with decking made from thermally modified boards. The wooden decking and steps around the sauna and boathouse were also replaced.
Project parameters
  • Sheet pile wall area — 200 m²
  • Material — PVC
  • Sheet pile — TW85
  • Manufacturer — Tidewall (USA)

Two-level shoreline protection with a boat slip

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Initial conditions
The shoreline required a structural solution that would provide safe access to the water and enable convenient launching and retrieval of boats.
Engineering task
Develop a two-level shoreline protection system integrated with a boat slip and pedestrian access infrastructure.
Implementation
Two levels of anchored PVC sheet pile walls were constructed. Sloping ramps were built on both sides of the structure, while a central boat slip was created for launching and retrieving boats. Steps and walkways were integrated with a reinforced concrete cap beam along the upper contour of the sheet pile wall, forming a functional waterfront area.
Project parameters
  • Sheet pile wall area — 700+ m²
  • Material — PVC
  • Sheet pile — SP PVC 250
  • Manufacturer — PVX Vest
Protection of coastal property from extreme wave impact
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Initial conditions

Buildings located directly on the seashore were exposed to strong storm waves, creating a risk of shoreline erosion and structural damage.

Engineering task

Develop a shoreline protection structure capable of resisting extreme marine wave impact and stabilizing the coastline.

Implementation

A PVC sheet pile wall was installed to protect the shoreline and adjacent buildings. A treated timber beam was used as the distribution beam along the wall. An anchoring system with anchor rods protected by PVC sleeves was installed to increase structural stability.

Project parameters

  • Sheet pile wall area — 150 m²
  • Material — PVC
  • Sheet pile — SG-325
  • Manufacturer — CMI (USA)
Shore protection for a reclaimed waterfront site with a boat lift
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Initial conditions

A reclaimed shoreline section required stabilization to prevent erosion and to organize a functional waterfront area.

Engineering task

Construct a stable sheet pile structure on reclaimed ground with the possibility of installing a boat lift.

Implementation

A PVC sheet pile wall with an anchoring system and a reinforced concrete cap beam was constructed. A recessed bay formed within the sheet pile alignment allows installation of a boat lift on the property.

Project parameters

  • Sheet pile wall area — 370 m²
  • Material — PVC
  • Sheet pile — SG-325
  • Manufacturer — CMI (USA)
Canal shoreline reinforcement
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Initial conditions

A residential house was located along a canal where the existing shoreline protection consisted of timber structures that had lost durability and structural reliability.

Engineering task

Replace the existing timber shoreline protection with a durable sheet pile structure and provide space for installation of a boat lift.

Implementation

The existing timber shoreline structure was dismantled and replaced with a PVC sheet pile wall with an anchoring system. A treated timber beam was used as the distribution beam. A recessed bay formed within the sheet pile alignment allows installation of a boat lift on the property.

Project parameters

  • Sheet pile wall area — 280 m²
  • Material — PVC
  • Sheet pile — SG-225
  • Manufacturer — CMI (USA)

Shore protection with a reinforced concrete anchor wall

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Initial conditions
The shoreline section was exposed to erosion and required a stable shoreline protection structure.
Engineering task
Build a sheet pile shoreline protection system with a reliable anchoring scheme ensuring structural stability.
Implementation
A PVC sheet pile wall with an anchoring system was built. A reinforced concrete anchor wall was constructed as the anchoring element, increasing the overall stability of the structure.
Project parameters
  • Sheet pile wall area — 210 m²
  • Material — PVC
  • Sheet pile — SG-325
  • Manufacturer — CMI (USA)

Low-Profile Boat Lift

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Installation of a low‑profile boat lift with integrated decking, designed for convenient boat access and seamless integration with the waterfront structure. The lift keeps the boat safely stored above the water while allowing easy boarding and disembarkation.
Specifications
  • Lift manufacturer: Tide Tamer (USA)
  • Capacity: 3,200 kg / 7,000 lbs
  • Pile material: Steel

Four piling boat lift

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Installation of a four-post boat lift mounted on composite piles with a diameter of 200 mm. Composite piles are resistant to corrosion, which provides a significant advantage for marine structures and long-term operation in waterfront environments.
Specifications
  • Lift manufacturer: Tide Tamer (USA)
  • Capacity: 3,200 kg / 7,000 lbs
  • Pile material: Composite
Four piling boat lift with walkboard 
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Installation of a four piling boat lift mounted on composite piles with a diameter of 200 mm. A service platform was constructed next to the lift to provide convenient access to the boat and improve usability during boarding and maintenance.

Specifications

  • Lift manufacturer: Tide Tamer (USA)
  • Capacity: 2,300 kg / 5,000 lbs
  • Pile material: Composite
Four piling Boat Lift in a Boat Slip
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Installation of a four piling boat lift mounted on composite piles with a diameter of 200 mm within a protected boat slip. The slip configuration allows the installation of a canopy structure for additional protection of the boat from sun and weather.

Specifications

  • Lift manufacturer: Tide Tamer (USA)
  • Capacity: 5,900 kg / 13,000 lbs
  • Pile material: Composite

Low-Profile Four Piling Boat Lift

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Installation of a low-profile four piling boat lift designed to provide a clean visual integration with the waterfront structure while maintaining convenient operation. Additional guest boat mooring spaces were constructed next to the lift.
Specifications
  • Lift manufacturer: Tide Tamer (USA)
  • Capacity: 5,900 kg / 13,000 lbs
  • Pile material: Steel
Boat Lift on Composite Pilings
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Installation of a boat lift mounted on composite pilings adjacent to a seawall. This configuration allows lifting and storing the boat without the need to construct a boat ramp.

Specifications

  • Lift manufacturer: Tide Tamer (USA)
  • Capacity: 2,270 kg / 5,000 lbs
  • Pile material: Composite
Six piling boat lift with dock
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Installation of a six piling boat lift mounted on composite pilings with a diameter of 300 mm. A surrounding pier was constructed around the lift, providing access to the boat from three sides and improving convenience for boarding, maintenance and mooring.

Specifications

  • Lift manufacturer: Boat Lift U.S. (USA)
  • Capacity: 10,909 kg / 24,000 lbs
  • Pile material: Composite

Eight Piling Boat Lift for High‑Performance Boat

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Installation of an eight piling boat lift designed for a Cigarette 39 Top Gun Unlimited high‑performance boat (12 m). A covered structure with roll‑down shutters was also installed to protect the boat during storage. Custom lift bunks were fabricated to match the variable deadrise of the hull.
Specifications
  • Lift manufacturer: Tide Tamer (USA)
  • Capacity: 9,090 kg / 20,000 lbs
  • Pile material: Steel

Boathouse with Low-Profile Boat Lift

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Construction of a boathouse with a low-profile boat lift installed inside the structure. The lift is equipped with a platform, providing convenient lifting and protected in-boathouse storage of the vessel.
Specifications
  • Lift manufacturer: Tide Tamer (USA)
  • Capacity: 2,270 kg / 5,000 lbs
Recreational Pier for Swimming and Boat Mooring
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Construction of a multifunctional pier designed for boat mooring, swimming and waterfront recreation. The structure provides convenient water access and safe use of the dock for leisure activities.

Specifications

  • Decking: Masaranduba, Brazil
  • Frame material: Steel
Contacts:
+358 45 2730640
utb001@gmail.com
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