Corrie Cooke featured in Water NZ, July – Aug issue pp 27-29 Risk-based inspection plans are increasingly accepted in organisations who understand the importance of extending the life of high-value assets as long as possible. Such plans can show owners the downstream dollar cost of deferring maintenance, as well as comparing the cost-effectiveness of a...
8th November 2016
Hybrid Cathodic Protection Systems Save a New Zealand Bridge Corrie Cook For the first time in New Zealand a local operator has provided a state of the art hybrid corrosion protection system on concrete support piles under a major highway bridge in Auckland. This technology was designed by international experts whose research has revolutionised the...
11th September 2016Concrete Problems Today are Multifactorial – Root Causes Hamid Khan, Brand Manager – Concrete Durability, Parchem Construction Supplies Pty Ltd Regular and planned asset maintenance is vital for reinforced concrete structures. Such maintenance should not be a ‘cosmetic repair’ but rather a proper root cause analysis that must be carried out to identify and understand...
11th September 2016Tie in Channel Lining Works – Retrofitting ‘Off the Shelf’ Products for a Better Outcome By Gianni Mattioli, Mattioli Challenge: During the installation of a new section of their sewage grit and screen filter system at Melbourne Water’s Eastern Treatment Plant, a major future corrosion issue was identified. The articulation joint between the new sections...
11th September 2016Down the Drain: CCTV Changing Sewer Asset Management Article courtesy of Select Solutions Water authorities have long struggled with the challenge of maintaining assets beneath the ground. Stormwater and sewer drains, in particular, are subject to unpredictable damage and blockages from tree roots that are seeking water. The results are shifting pipes which lead to...
11th September 2016Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank T Tjandra, Freyssinet Australia Pty Ltd Dissolved Air Flotation (DAF) Tanks are used to clarify waste waters by removing suspended solids, oils and other contaminants. A pressurised stream of air saturated, clarified water is mixed with the sewage effluent in the DAF separation chamber. With...
11th September 2016A quick guide to intellectual property rights Dr Marianne Seter To begin with an introduction, Marianne is a registered Patent Attorney in the Melbourne Chemistry group at FB Rice. She has extensive experience in Australian and New Zealand patent prosecution and patent portfolio management. Her skills include oppositions, drafting patent specifications, freedom to operate advice,...
11th September 201650 years of coatings testing at SA water Paul Vince, Principle Materials Engineer, SA Water Background SA Water owns and has managed South Australia’s water infrastructure for over 150 years and provides water and wastewater services to 1.6 million people. With 43 water treatment plants, 24 wastewater treatment plants, 26,000 km of water mains and...
11th September 2016University galvanized to face the future The Galvanizers Association of Australia represents many of the leading galvanizing companies throughout Australia, New Zealand and Asia. Established in 1963, the Association works with companies like IG to ensure the highest standards in design and quality of galvanized products. GAA’s objectives are to provide technical consulting services on...
11th September 2016Surface Preparation for Inorganic Zinc Silicate Coatings Rob Francis The single-coat inorganic zinc silicate (IZS) coating provides one of the most durable and cost-effective coating systems available. Properly applied, it will provide many years durability in even the most severe environments, such as off-shore platforms and other marine applications. It is also widely used in...
11th September 2016Spotlight on Polyurea in NZ This Project Profile was submitted by ACA member, NZ Application Service Ltd, a plural component mobile application company, specializing in Polyurea. For further information visit www.nzas.biz Introduction In 1996 when the Earth had had just about enough substance abuse, the New Zealand HSNO Act (Hazardous Substances & New Organisms) outlined the...
11th September 2016Pickling and Passivation Extract from the Pickling and Passivation section of the Australian Stainless Reference Manual (2012) published by Australian Stainless Steel Development Association (ASSDA) The chemicals used in pickling and passivation are acidic and must be handled with due OHS and environmental precautions as well as neutralisation and suitable disposal of waste. In addition,...
11th September 2016
The nature of today’s working environment is changing as budgets become more constrained and the political landscape transforms around the world. Whatever the economy or politics of a country, corrosion will be an economic threat to industry and the wider community, as well as a physical threat to infrastructure and personal safety. While there are...
8th September 2016