Supply of TBBG concrete sleepers for 54E1 rail.
The procurement concerns the acquisition of TBBG (twin-block) concrete sleepers with fastening systems for 54E1 rail profile. The buyer is a Portuguese entity, likely Infraestruturas de Portugal or a related railway infrastructure manager. The notice does not specify a contract value, duration, or qualification requirements beyond the technical specification of the sleepers. The scale is implied to be a standard supply contract for railway maintenance or construction.