Lid design and construction - PTES heat storage Hyvinkää, Finland

Hyvinkään Lämpövoima Oy (hereinafter referred to as the "Contracting Entity") is preparing a procurement concerning the design and installation of the lid structure for PTES heat storage (the "Procurement"). The delivery address is in Hyvinkää, Finland (property ID's: 106-401-4-91 and 106-401-4-64) This Procurement is one of the subareas of the PTES heat storage construction project (the "Project"). The other subareas of the Project, such as excavation works of the heat storage pit, will be procured separately. The scope of this Procurement is the design and installation of the lid structure of the PTES heat storage in fully operational condition. The contractor will be responsible for the construction, piping and electrotechnical works of the lid and related procurement. The installation of the lid structure is a subcontract subordinated under the pit excavation works contract. The contractor of the excavation works of the heat storage pit is the main contractor. The main contractor is responsible for construction site management and on-site services. PTES heat storage has the following (preliminary) techical charasteristics: - Water volume is approximately 380 000 cubic meters, - Water height is 20 meters, - Surface area of the heat storage area including outer rails is approximately 67 700 square meters, - Surface area of the lid structure is approximately 37 250 square meters, - Basal area of the heat storage is approximately 8125 square meters, and - Inner slopes surface area is approximately 31 300 square meters and their slope is 1:2,5. PTES heat storage is located in a groundwater area. The call for tenders for the excavation works of the PTES borrow pit has been published in the HILMA-service (www.hankintailmoitukset.fi), and the tender documents are available at (in Finnish): https://www.hankintailmoitukset.fi/fi/public/procedure/8711/enotice/12751/ This Prior Information Notice does not bind the Contracting entity to any decision. The Contracting Entity will independently determine the terms and requirements of the Call for Tenders after having conducted a market dialogue with all tenderers who have submitted their answers by the deadline. By submitting this Prior Information Notice, the Contracting Entity does not commit itself to publish the Call for Tenders.