TECHNICAL SPECIFICATIONS Owner: Magistrato delle AcqueGen. Contractor: Comar ScarlDescription: each gate measures 18.6 m x 19.8 m x 3.6 m and weighs approximately 170 t. The gates are essentially closed steel box structures, of typically naval construction, formed by a steel frame and clad both sides with 8/10 mm stiffened skid plates (Tee diaphragms and bulb flats).