Construction of an energy-efficient environmental education centre by modernising the existing administration building – design changes, construction works and author supervision

Summary

The tender covers design changes, construction works and author supervision for an energy-efficient environmental education centre created by modernising an existing administration building in the Liepāja area. The works include approval of design changes, construction, author supervision and warranty-period security; the overall performance period is up to 11 months and the construction warranty is 60 months. Tenders must be submitted electronically by 14 September 2026. Evaluation takes account of price and quality-related award criteria. The tenderer must, among other things, meet the average annual construction turnover requirement of EUR 1,000,000, demonstrate at least one similar building contract involving at least 150 m², provide the required certified specialists and submit a EUR 5,000 tender guarantee.