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All Harbour construction Environmental construction Elimination of residual pollution

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2025 2

Environmental construction

Removal of the Mere and Metsa dams on the Võsu River and construction of a fish passage

Period: 18 June 2025 – 24 October 2025
Client: Estonian Environment Agency
Public Procurement No.: 291676
Location: Võsu River, Võsu Small Borough, Haljala Rural Municipality, Lääne-Viru County, Estonia
2023 3

Environmental construction

Reconstruction of the Vaskjala hydro node fishing pass

Period: 24.08.2023-15.11.2023
Customer: AS Tallinna Vesi
Public Procurement Reference number: 267480
Location: Rae vald, Harju maakond
2024

Environmental construction

Elimination of the Püssi dam and construction of a fish pass

Period: 25.07.2024 - 1.06.2025
Customer: Keskkonnaagentuur
Public Procurement Reference number: 278300
Location: Püssi, Lüganuse parish, Ida-Viru county
Environmental construction
2020

Construction works of Särevere wide-bridging spillways

Period: 28.08.2019 – 10.01.2020
Customer: Environment Agency
Public Procurement Reference number: 211407
Location: Türi parish, Järva county
Environmental construction
2018

Opening of Jändja and Vihtra dams for fish migration: design and construction works

Period: 11.10.2017 – 05.11.2018
Customer: Terrat AS
Environmental construction
2018

Construction works necessary to improve fish spawning conditions in the rivers of North-West Estonia. Improving fish spawning conditions on the Veskijõe River

Period: 25.09.2017 - 01.10.2018
Customer: Environmental Board
Public Procurement Reference number: 188502
Environmental construction
2018

Construction works necessary to improve fish spawning conditions in the rivers of North-West Estonia. Improving fish spawning conditions on the Nõva River

Period: 04.12.2017 - 01.10.2018
Customer: Environmental Board
Public Procurement Reference number: 188502
2017 2

Environmental construction

Ordering the arrangement of the outlet of Vanigõjärv and the cleaning of the lake

Period: 01.09.2016 – 16.10.2017
Customer: Police and Border Guard Board
Public Procurement Reference number: 174303
Location: Võru county
2016 3

Environmental construction

Reconstruction of regulators of Oruveski, Muike, and Ojaäärse II reservoirs

Period: 03.08.2015 – 07.07.2016
Customer: The State Forest Management Center
Public Procurement Reference number: 164601
Description: Reconstruction of well regulators of reservoirs in Lahemaa National Park. The former collapsed concrete well regulators and reservoir surface dams were dismantled. Sediment was removed from the area before the dam. New concrete well regulators were constructed together with a service building and the road dams, functioning as surface dams, were restored.
2015

Environmental construction

Improving migration conditions for fish on running water bodies. Vahakulmu dam complemented design and construction works

Period: 29.04.2015 – 10.11.2015
Customer: Environmental Agency
Public Procurement Reference number: 158512
Description: On the dam of Vahakulmu, for the purposeful functioning of the fish pass and to ensure a favorable flow regime for fish partially electrically operated, automatically controlled level shade for the opening of the excess water shot.
In consortium with Terrat AS
2015 2

Environmental construction

Construction work for the project “Restoration of the water section at Neeruti Manor on Loobu river”

Period: 21.07.2015 - 31.10.2015
Customer: MTÜ Neeruti Mõisa Park
Public Procurement Reference number: 164596
Description: Construction of a new laminated timber bridge with capacity of 36T in the Neeruti manor park on Loobu river. Restoration of Loobu river rapids. Cleaning the area before the bridge from sediment. Restoration of quarrystone bridge and construction of a fish ladder on Loobu river.
In consortium with Terrat AS
2015 3

Environmental construction

Design and construction work necessary for the installation of the fish counter and additional photo and video equipment

Period: 11.06.2015 – 14.09.2015
Customer: Environmental Agency
Public Procurement Reference number: 161318
Description: Design-construction works for the construction of concrete structures for the installation of a fish counter on the Nehatu and Tõrva dams.
Earth, stone and concrete works and delivery and installation of the necessary metal structures.