The construction project includes the completion of the extension of Koksikatu and Vilhonvuorenkatu in accordance with the contract documents. The work area also includes the Sörnäinen Rantatie intersection at Vilhonvuorenkatu, which will be rebuilt in this project. The contract includes a major Pima renovation work on Vilhonvuorenkatu. For example, excavation work is carried out in tents due to the presence of strong pima deposits.

The construction project includes the completion of the extension of Koksikatu and Vilhonvuorenkatu at the western end and the crossing area of Sörnäinen rantatie to the extent indicated by the contract drawings. The contract also includes work on building a technical maintenance network with piles, tamping, anchoring and providing access to the site. The contract covers all construction work, from the commencement of the contract to the completion of the warranty check and the completion of any warranty repairs agreed upon. The contract also includes obtaining all necessary permits to carry out the work (traffic arrangements, excavation permits, etc.) as well as managing and communicating with other stakeholders and stakeholders during the construction phase. The building area at Vilhonvuorenkatu is very heavily polluted. The removal of contaminated countries is done in a separate pima plan.

The form of a contract is a general contract where the contractor selected for the job acts as the main contractor in the role of general contractor within the meaning of YSE and legislation. The contractor is responsible for site management and site services. The project will be implemented as a joint municipal engineering site. The tenderer offering the most economically advantageous tender shall be selected as the contractor. The most economically advantageous tender is the tender which is the cheapest of the tenders which meet the eligibility criteria set by the developer.