The main call for tenders for the NRRP ETIC project has been published. It is a European tender worth 14 million euros for the technical and economic feasibility study for the large Einstein Telescope infrastructure in Sardinia. The call was issued by the INFN Executive Board. The call for tenders for the ‘Preparatory study for the development of the technical and economic feasibility project for the Einstein Telescope gravitational wave observatory in the Region of Sardinia, in various configurations, including the execution of surveys and investigations and the preliminary environmental impact assessment, for infrastructural engineering and constructions works, underground and above ground,’ is available on the European calls for tender page at this link, and can be found on the INFN web portal at this link. The deadline for submitting offers is 29 June 2023 at 12 noon
