Calculate the Cost and Minimum Requirements for your SOA Certification TEST FORM Select category OG 1 Civil and industrial buildings OG 2 Restoration and maintenance of protected real estate assets OG 3 Roads, highways, bridges, railways, subways OG 4 Underground works OG 5 Dams OG 6 Aqueducts, pipelines, irrigation works OG 7 Maritime works and dredging OG 8 Hydraulic and land reclamation works OG 9 Power generation plants OG 10 Electrical distribution systems OG 11 Technological systems OG 12 Environmental protection works OG 13 Natural engineering works Select class I - € 258,000.00 II - € 516,000.00 III - € 1,033,000.00 IIIbis - € 1,500,000.00 IV - € 2,582,000.00 IVbis - € 3,500,000.00 V - € 5,165,000.00 VI - € 10,329,000.00 VII - € 15,494,000.00 VIII - over € 20,658,000.00 Required categories: Check Category Class Amount Total Classes SOA Fee