It Constitutes The Object Of The Contract, The Performance Of The Preliminary Evaluation Of The Quality Of The Subsoil Where The Siemens Company Had Been. It Is Up To The Registration Farms 810 With Cadastral Reference 2295839Df2729E0001Oj And To The 5102 With Cadastral Reference 2295819Df2729E0001Oj Owned By Procorneràllà. The Main Activity At The Beginning Focused On The Manufacture Of Continuous And Three -Phase Current Engines, Along With Generators, And Constructions Of Transformers And Control Panels. They Expanded Their Activity With Articles Such As High And Low Voltage Switches, Electric Meters, Locks For Wind -Track Switches And Appliances. In Addition To The Meters And Engines, During The 60'S And 70'S, The Plant Delivered More And More Powerful Generators For Electric And Transformer Power Plants, Along With Switches, Switches, Bombs, Recounts And Resistance. The Surface To Study Is 13,020 M2. The Work Must Be Done According To The Report Of The Work To Be Performed For The Preliminary Evaluation Of The Quality Of The Subsoil Of The Pmu5 Calderria De Cornellà De Llobregat Dated March 2025.