Installation and engineering works for welded earth-facing sealing and protective membrane structures - PTES heat storage Hyvinkää, Finland

SCOPE OF THE PROJECT: Hyvinkään Lämpövoima Oy ("Contracting Entity") has a need for a PTES heat storage. The PTES heat storage construction project ("Project") includes at least the following subareas which are procured separately: - Excavation works and civil engineering works of the PTES heat storage, - Engineering works consisting of e.g. mechanical works, welding works, process heat works, electrical works, piping works, pump works, heat transfer works on related procurement, - Installation and engineering works for welded earth-facing sealing and protective membrane structures (this "Procurement"), and - Design and installation of the lid structure. SCOPE OF THE PROCUREMENT: The scope of the Procurement is the installation and engineering works for welded earth-facing sealing and protective membrane structures (Turnkey delivery). The awarded contractor will be responsible at least (but not limited) for: - Delivery of the geomembranes and other materials/components, - Detailed design on the basis of the design documents provided by Contracting Entity in the Call for Tenders (please see the design documentation attached to the Call for Tenders, and consider their non-binding nature), - Installation of the geomembranes and other materials/component, - Coordination with the Contracting Entity and other contractors at the site, and - Documentation. The works must be planned, prepared, delivered, tested, commissioned and documented in accordance with the overall tender material (documentation of the Call for Tenders and documentation provided by Tenderer). The Scope of the Procurement is described in more detail in the appendices of the Call for Tenders. As stated above, the Procurement is one of the subareas of the Project. The Procurement contract is a subcontract subordinated under the PTES heat storage excavation works contract. The contractor of the excavation works contract will act as the main contractor. The main contractor is responsible for the construction site management and on-site services. The tender documents for the main contract are available at (in Finnish): https://www.hankintailmoitukset.fi/fi/public/procedure/8711/enotice/12751/ GENERAL INFORMATION OF THE PTES HEAT STORAGE: PTES pit thermal energy storage has the following technical characteristics: - 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 on a groundwater area.

Suspension of the procurement procedure: Contracting Entity has the right to suspend the procurement procedure for a real and legitimate reason. Contracting Entity reserves the right to suspend the procurement procedure at least (but not limited) in the following situations: - Contracting Entity has not received any acceptable tenders to this procurement or any other procurement included in the Project, - If Contracting Entity does not obtain the necessary permits, such as water permit, to carry out the procurement on time, or - If the procurement is not granted an investment decision. Site visits: Contracting Entity reserves all interested Tenderers the opportunity to visit the construction site before submitting their tender. The time of the site visit will be agreed with each Tenderer individually. The site visits will take place in weeks 43-44 (2024). One (1) hour site visit will be provided to all Tenderers. In the event of overlap in the scheduling of site visits, the site visits will be reserved on a first-come, first-served basis. Tenderer shall propose site visit dates to the email address otto.kingelin@hlv.fi no later than 18.10.2024. For the sake of clarity, it is not compulsory to visit the construction site. However, Tenderer shall be liable for any consequences resulting from his failure to make use of the opportunity to visit the construction site. Language of the Call for Tenders documents: "GEO" appendices are in Finnish language because the original design language is in Finnish. Weather conditions: Awarded contractor must take into account weather conditions of Finland when scheduling works.

TENDER EVALUATION: The most economically advantageous tender shall be selected. The most economically advantageous tender shall be a tender with the best price-quality ratio.