The Purpose Of This Contract Is The Execution Of The Works To Replace The Fibrocement Roof Of The Social Premises With A Metal One, Installation Of Photovoltaic Panels In The Social Premises, In The Pools Of Cal Rosal And In The Ateneu Olvanès, As Well As The Installation Of An Aerothermal System In The Social Premises Of The Municipality Of Olvan, According To The Project Written By The Architect Jordi And The Architect Jordi Valls Roset.