Open procedure pursuant to Articles. 60 and 114 of Legislative Decree 50/2016 and subsequent amendments, for the assignment of "Conservative maintenance service of chlorine dioxide generators of specific brand EKA/AKZO NOBEL, DE NORA, PROMINENT and TECME, installed at the drinking water treatment plants", lasting 24 months, divided into 4 tender lots.

Lot 1: conservative maintenance service of the EKA/AKZO NOBEL specific brand chlorine dioxide generators installed at the drinking water treatment plants of Abbanoa S.p.A.

Lot 2: conservative maintenance service of chlorine dioxide generators of specific DE NORA brand, installed at the drinking water treatment plants of Abbanoa S.p.A.

Lot 3: conservative maintenance service of PROMINENT-specific brand chlorine dioxide generators, installed at the drinking water treatment plants of Abbanoa S.p.A.

Lot 4: conservative maintenance service of chlorine dioxide generators of specific TECME brand, installed at the drinking water treatment plants of Abbanoa S.p.A.