front page Company Services References Stock Personnel Contact Excavation of underground spaces and parking space in Jätkäsaari One of Finland's largest underground facilities is currently being built on Jätkäsaari in Helsinki. The project started in May 2015 Completed on 30 November 2016 Extent 41,300 m 2 What is special about the project is the outcome of a large-scale contract that will significantly change the parking situation in Helsinki. We will be the main contractor for the project and will be responsible for the excavation, reinforcement and shafts of the underground facilities. The Jätkäsaari project employs about 150 different construction professionals. There are 20 civil engineering workers in the contract, 80 construction workers and 25 civil engineering installers. There are 10 employees of other contractors. The Jätkäsaari construction site is in a prominent position near the center of Helsinki and the harbor. Types of contracts: underground construction , opencast mining , reinforcement works , shafts Check out our underground construction and opencast mining services Underground construction Underground spaces for demanding sites - ready-to-use rock spaces from design to implementation Opencast mining Opencast mining efficiently and safely for various construction and renovation projects IMPLEMENTATION 2015–2016 SCOPE 41 300 M 2 PARKING SPACES 900 CIVIL PROTECTION 9000 TO A PERSON Want to hear more about the project or discuss more about our services? Take contact. Jukka Halonen Managing Director 040 020 1981 jukka.halonen@kalliorakennus.com front page Company Services References Stock Personnel Contact Kalliorakennus-Yhtiöt Oy is a company specializing in excavation, rock construction and reinforcement work. The company includes Kalliorakennus , KRY Rakennus and Luja-Louhinta . Kalliorakennus-Yhtiöt Oy Petikontie 1 01720 Vantaa Exchange (09) 849 44 20 Check out our brochure Browse our electronic brochure here . Site by Atomi . By continuing, you accept the use of cookies.JACK