Open Tender Procedure For The Entrusting Of The Works Of "Adaptation To The Firefighting Legislation Of Lot 3 Aimed At The Construction Of External Stairs And Montalettighe Firefighter", At The "The Scotte" Hospital Complex Headquarters Of The Sienese University Hospital (Aus), Located In The Municipality Of Siena, In The Locality Of Le Scotte. Cup: I68I20000680006