The lowest step of the pedestal is 15.9 m (52 ft 2 in) by 8.08 m (26 ft 6 in). 503 tonnes of rose-grey Canadian granite from the Dumas Quarry at Rivière-à-Pierre, Quebec,[4] and 32 tonnes of bronze were used, all of which rests on a block of reinforced concrete based on steel columns set into bedrock.[4]