Judgment of the General Court (Fourth Chamber) of 9 April 2019.#SA Close and Cegelec v European Parliament.#Public works contracts — Tender procedure — Construction of an energy unit — Extension and refurbishment of the Konrad Adenauer building in Luxembourg — Rejection of tender submitted by a tenderer — Award of the contract to another tenderer — Selection criteria — Financial and economic capacity — Technical and professional capacity — Obligation to state reasons — Manifest error of assessment.#Case T-259/15.