Market investigation notice, aimed at collecting expressions of interest, for the execution of the negotiated procedure without a call for tenders pursuant to art. 50, paragraph 1, letter c) of Legislative Decree no. 36/2023, for the awarding of the works for the redevelopment and regulatory, plant, and building adaptation of the municipal sports facility "Campo di Calcio Nesima", owned by the Municipality of Catania, under concession to Catania Football Club s.r.l.