The Croatia Insurance Headquarters Building was designed by Neidhardt arhitekti d.o.o. is the first high-tech double facade building Atrium recognizes the modernism of the 1960s in Zagreb, Croatia. The program for the new building required contemporary office space amounting 7,500 sq m along with commercial ground floor and the parking garage of 4,500 sq m, all to be located and integrated as a kind of addition next to the old office building at 22 Miramarska Street. The old building was little more historically preserved by heritage authorities as a distinct part of the process of modern architecture in Zagreb from 1959 to 1962. The spatial distribution of “H-type” of old and new architecture has a mass meeting point at a central location, an architecture defined by a form the backbone of conical atrium.
The facades of office papers are intelligent. Double skin is formed by Spider 2×12 mm exterior with sheets of 1875 x 3750 mm, space between polymer flour roll with perforated curtains and blinds in addition, all mobile automatically. Temporary premises is also the area of distribution ducts of air supply office. The interior wall is an insulated curtain wall glass, with four windows to be opened by bay. This is the first high-tech kind of cover in the region with complex functional needs. Particular mention was given at the time of the old building of the 1960s, Archigram, Cedric Price and others, and the metabolic process later also. This was achieved primarily by designing five prefabricated modular units of utility facilities, produced by doo Euromodul in the city of Rijeka to be specially transported 180 km to “hip” on the site.
The lead architect is Professor Velimir Neidhardt, principal of Neidhardt arhitekti d.o.o. with engineering consultant subcontractors. Chief architectural collaborator is Dora Neidhardt Grubisic and contractors are Tempo d. d. and UGO Grupa d.o.o., all from Zagreb, Croatia.