The contract concerns the "Thermal Energy Service", including the management, supply of diesel, operation, ordinary and extraordinary maintenance of heating plants owned and under the responsibility of the Metropolitan City of Cagliari, for one year.

the contract amounts to € .1.119.116,84 plus VAT at 22%, of which € 661.613,22 subject to reduction, labor charges € .165.403,31 (not subject to reduction), and € 292.100,31 as the amount Lavori a massimo misura presumed not subject to auction discount.