One Sydney Harbour is another landmark project for the Barangaroo precinct, just next door to the Crown Tower, this project was specially designed by Renzo Piano the designer for similar sister tower 'The Shard' in London. Serving as luxury residencies, One Sydney Harbour is comprised of 3 towers, two of which are 72 stories tall. Boxer engineering supplied BKH group with Wall systems for R1 and a jumpform system and wall systems for R2.