June 7 (SeeNews) - Croatian builder Viadukt [ZSE:VDKT-R-A] said on Tuesday it has secured, in partnership with local companies, two contracts worth a combined 165.8 mln kuna ($25.1 million/22.1 million euro), in tenders held by state-owned motorway operator Hrvatske Ceste and waste water operator Vodoopskrba i Odvodnja.