THE UNIVERSITY OF AUCKLAND CLOCK TOWER EAST WING: A NEW LEASE OF LIFE A. MARTEDDU 1 ; R. A. ROGERS 1 ; T. ALMEIDA 2 ; P. HARTLEY 3 ; N. BULLER 4 1 BBR Contech, Auckland, New Zealand 2 Structure Design Ltd, Auckland, New Zealand 3 Salmond Reed Architects, Auckland, New Zealand 4 The University of Auckland, Auckland, New Zealand SUMMARY The Clock Tower is arguably the most iconic building at the University of Auckland. It was originally constructed in 1923-1926 and is listed by Heritage New Zealand as a Historic Place Category 1. A seismic upgrade project was undertaken in 2015-2018 which focused on the East Wing building that is adjacent to the tower. The design and construction processes employed were developed through close collaboration between the project and heritage architects, structural engineer and contractors. A key driver for the project was to ensure that the heritage character of the building was not adversely affected by the seismic upgrade works. INTRODUCTION Brief Description The former Arts building at 22 Princes Street, Auckland, consists of the main block – also known as the Clock Tower – and a connecting student wing to the rear – also known as the East Wing – that used to house the Student’s Club for Auckland University College (now the University of Auckland) Council. These two buildings are interconnected via an open cloister (see Figure 1). Figure 1. View of the Clock Tower from the East, with the Student Wing at Left (A P Godber Collection) The East Wing building (see Figure 2) is two storeys, with a reinforced concrete suspended floor and a timber-framed/trussed roof. The perimeter walls are reinforced concrete clad in heavy limestone masonry. The lateral seismic resisting system is provided predominantly by the reinforced concrete walls around the perimeter of the building.