According to this notice the expected publication date of the contract documents (note that this could change) is 6/16/2021
The services required comprehend all the relevant activities to create and produce signs, labels and marking for the ESS Facility. Such activities may cover different aspects such as recommendation to the best solutions for ESS to produce their own signs, labels or marking, or to provide ready to use signs, labels or marking and as an option installation of signs. The tender will be divided in lots where the supplier can participate in one or more lots. The contract period will be 5 years.