Complex sentence: Located at 700 2nd Street SW, it stands at 155 metres (509 feet) or 41 storeys tall and completed in 1976 and was once the tallest building in Calgary.
Split into simpler sentences: Located at 700 2nd Street SW, it stands at 155 metres (509 feet) or 41 storeys tall and was completed in 1976. It was once the tallest building in Calgary.