Open invitation to tender, deadline 27/11/2023, for monitoring, operation control and maintenance of all tunnel systems (lighting, ventilation, fire safety, fire detection, signage, substations, weak currents, H/Z etc.) in the 1,385 m-long Tymfristos tunnel on N38 Lamia-Karpenisi-Agrinio. Contract value EUR 403,225.81, excluding VAT, duration 24 months. Contact Perifereias Stereas Elladas, Lamia, tel +30 2231354744, fax +30 2231354730, email v.palaiologou@pste.gov.gr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=655577-2023. 44/23