Corrosion of Building Assets – Problems and Prevention L.H. Boulton, Les Boulton & Associates Ltd. Auckland, New Zealand Corrosion of building services is sometimes attributed to cost-cutting by the building owner, the constructor, or the building services designer. Lack of proper maintenance is another contributing factor to building corrosion problems. Inadequate weather tightness of the cladding...
31st July 2011Dymocks Building, Sydney – repairing and conserving a heritage listed facade suffering from corrosion Peter Johnsson, Principle Engineer – Facades / Diagnostic & Remedial, Hyder Consulting Pty Ltd Conservation works to the façade of the heritage listed Dymocks Building located in George Street, Sydney were completed in the period between 2008 and 2010. The George...
31st July 2011Cathodic Protection of a 1.2km long Harbour Tunnel U. Kreher, I. Solomon, A. Vinnell – Aurecon Australia Pty Ltd A 1.2km long 4.35m diameter crossharbour tunnel was constructed in 1996 for an iron ore conveyor. This used 5,154 reinforced concrete lining segments bolted together by mild steel bolts located within bolt pockets. Since early in...
31st July 2011Copper Based Antifouling Coatings on Aluminium Hulls E. Riding, Jotun Australia Traditionally copper based antifouling coatings (mostly Cuprous Oxide) have not been used on aluminium hulls due the concern that corrosion of the hull will occur due to the electrochemical potential differences between the cuprous oxide and the aluminium hull. Recent laboratory investigation and a...
31st July 2011Project Profile – Management of Tasmanian Bridges Geoff Mulcahy, Asset Engineer Bridges, Department of Infrastructure, Energy and Resources, Tasmania The Department of Infrastructure, Energy and Resources, Tasmania, (DIER) is responsible, as part of its overall responsibility for managing the State’s road network, for the management of over 1200 bridges, major culverts, retaining walls and sign...
31st July 2011Rust never sleeps: recoating of aboveground bulk water pipes in Brisbane Paul Utting, LinkWater, The Queensland Bulk Water Transport Authority Timely renovation of surface coatings is essential to maximise the life of above-ground pipes and avoid loss of service during repair or replacement. LinkWater found that, while appropriate preparation and product choice are important, there...
31st July 2011Project Profile – Re-lifting a CO2 Absorber Tower Using Welding Robots Martyn Cooper, Lead Integrity Engineer, Santos Ltd John Flecher, Senior Integrity Engineer, AMIS Integrity Ltd The Moomba processing plant in central Australia processes raw gas with 20% CO2 down to sales gas specifications. This is completed through CO2 removal trains using the UOP Benfield...
31st July 2011Project Profile – Refurbishment of the Vessel One and All Brian Probert – Department for Transport, Energy and Infrastructure, Government of South Australia Something completely different for the Department for Transport, Energy & Infrastructure (DTEI) The South Australian Minister for Transport is the “ship owner” of the Sail Training Vessel One and All. This ship...
31st July 2011Problems with Plant Rooms Dr Anthea Airey, Airey Taylor Consulting Plant rooms containing cooling towers can be open to the elements or enclosed for soundproofing and house other items such as generators and electrical cabinetry. These are often accommodated on a suspended slab at roof or podium level above facilities such as kitchens and bathrooms....
31st July 2010Conserving our public art The role of art in the public domain has long been recognised as an important part of a city’s character. Major cities around the world have for centuries commissioned works of art and created spaces where sculptures can be seen and enjoyed. A source of pleasure and pride for residents, art...
31st July 2010Article – A Potted History of Paint in New Zealand The following is a report of the October 2010 joint ACA/SCANZ technical meeting convened by the Wellington Division of the NZ Branch. This was recorded by Frank Sviatko for the SCANZ publication Brushstrokes and this edited version is reproduced with their permission. The presenter was...
31st July 2010Project Profile – Conserving Australia’s Wartime Collection George Bailey, Senior Objects Conservator, Australian War Memorial The Australian War Memorial (Memorial) based in Canberra has been a member of the Australasian Corrosion Association (ACA) for nearly 30 years. The Memorial is the custodian of one of the world’s most significant collection of war relics and personal effects, photographs, film...
31st July 2010