RIALTO CONSTRUCTION FACTS

Construction began on the Rialto in October 1982 and was completed October 1986.

Prior to the Rialto Towers being built, the site was occupied by small office buildings.

The owners are St Martins Victoria Pty Ltd and Grollo Australia Pty Ltd.

The builder was Grollo Australia Pty Ltd.

The architects were Gerard de Preu and Partner and Perrott Lyon Mathieson.

The project managers were St Matins Properties (Australia) Pty Ltd.

The Leasing and Property Managers are
St Martins Management Pty Ltd.

During construction, up to 2000 people worked on the building at any one time.

The inauguration date was October 1986.

RIALTO TOWERS TRIVIA

The Observation Deck was opened to the public on July 20 1994.

There are 1254 stairs to the Observation Deck.

The Rialto soars 253 metres (823 ft).

The Towers stand on 75 huge concrete caissons (legs) attached to rock 20m below the building.

If a kilogram block was dropped from the roof it would take 7.9 seconds to hit the ground at 250kph.

It takes approximately 40 seconds to reach Level 55 in our fast lifts. The lifts travel at 25kph or 7.1 metres per second.