Online Open Tender For The Nomination Of A Contractor For The Execution Of The Service "Lifeguard Coverage Of The Municipality Of Tanagra In 2024" With The Award Criterion Being The Most Economically Advantageous Offer, Based On Price, With A Total Indicative Estimate Of 91,159.67 Euros Plus Vat. In Accordance With The Provisions Of Law 4412/2016 As They Apply (EXPIRED)