Electronic Open Public Tender With The Criterion Of Awarding The Most Economically Advantageous Offer Based On Price, For The Service: "Lifeguard Coverage Of The Beaches Of The Municipality Of Piraeus" With A Budget Of €123,010.16 Plus Vat (€152,532.60 Incl. Vat), In Accordance With The Provisions Of Law 4412/2016 As Applicable.