Boskalis Nordic Today No.02/2018-2019

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The Port of Kalajoki, located in Finland on the Gulf of Bothnia coast, is increasing its ship berths with a new quay section, extending the length of its West Quay by 123 metres including a 19 metres long quay with a ro-ro ramp.

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After completion of the quay work, the Port of Kalajoki will have a total of 550 metres of quay for loading use. The Port of Kalajoki’s quay investment has also stimu- lated other development activity. Both of the port’s operators, Rahjan Huolinta Oy and Oy Blomberg Stevedoring Ab, have invested in new harbour crane equipment. The launch of container traffic has also required investments in a new warehouse building and container fields.

stage where we have installed, with the as- sistance of divers, the erosion slabs on the sea bottom in front of the quay. Alongside the backfilling of the retaining quay wall elements, we have also begun the casting of the quay coping beam,” explains Sep- pälä. “The work will continue over the winter and, after completing the edge beam, we will implement the quay’s public utility services, surfacing work, asphalting and quay accessories,” adds Seppälä.

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mum depth of −9.5 metres, and the dredg- ing masses amounted to around 73,000 m 3 . The dredging was implemented by the backhoe dredger Attila and the underwa- ter drilling and blasting by the drill barge Rockbuster. Alongside the dredging, in-situ casting of the quay extension’s retaining quay wall elements was also launched. In this process, 10.2 metres high quay elements, 29 in total, were produced, including re- taining quay wall and intermediate ele- ments. Installation of the elements on the levelled sea bottom of the quay line was implemented by Terramare’s floating crane Nosto-Pekka and its crew. For the contract’s project manager, Juha Seppälä , the advance of the project has been a positive experience. “The Port of Kalajoki quay contract has progressed in a spirit of effective coopera- tion and interaction. We are now at the

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