 the restricted procedure tender published by AcegasApsAmga to award a two year contract, with the possibility of renewal for one more year, for manual and mechanised sweeping, door-to-door biomass collection, and bulky waste home collection, selective collection of cardboard packaging, collection of batteries and ancillary services within the Municipality of Trieste (districts and eastern suburbs), for a total of Euro 3.6 million, reserved pursuant to art.