In May 1946 the PWD and the New Zealand Railways Department held a meeting to determine what would be needed to transport materials to the proposed site of the power station. The main loads associated with the first four generating units were as follows: thirteen generator transformers, each 39.5 tons (40.1 tonnes), 15 ft 6 in (4.72 m) long, 10 ft 4 in (3.15 m) high, 8 ft 2 in (2.49 m) wide; twenty-four stator sections; each about 19 tons (19.3 tonnes) gross, 14 ft 9 in (4.5 m) by 9 ft 1 in (2.77 m) by 6 ft (1.83 m); four shafts and thrust plates, each 33½ tons (34 tonnes) gross, 20 ft (6.1 m) long by 6 ft 6in (1.98 m) by 7 ft 10 in (2.39 m); four turbine runners, each 25 tons (25.4 tonnes), 12 ft 10 in (3.91 m) diameter, 6 ft 7 in ( 2 m) high; four generator bottom bearing brackets, each 20 tons (20.3 tonne) gross, 12 ft (3.66 m) by 12 ft by 6 ft 1 in (1.85 m).