Fremantle Ports – Protecting the Unseen Craig Hutchinson, Innovative Corrosion Management Pty Ltd Dario Vallini, Fremantle Ports In May 1897 Fremantle Ports’ Inner Harbour was officially opened bringing increased trade into Western Australia. One hundred and fourteen years later in 2011, the Port saw 26 million mass tonnes of trade pass through its facilities at a value...
11th September 2012Protective Organic Coatings – An Introduction Emmanuel Pimentel Painting is the application of a liquid coating to a material to protect it. It is considered the oldest method of corrosion control and certainly the most recognisable to people outside the corrosion protection field. Painting’s simple premise – the application of a protective film to protect...
7th August 2012Protecting the Protection: What can Patent Filing Trends Tell us About Technology Trends in Corrosion Treatments? 20,000 global patent families (containing 60,000 patents in total) filed in the area of corrosion management in the last decade were reviewed as a guide to trends in corrosion technology. Annual patent filings grew from around 1500 to around...
7th August 2012Mild Steel Pipeline Weld Corrosion This article is based on a presentation by Igor Chaves of the 2012 ACA Road Show Seminars. Welding is widely recognized as a powerful and reliable technique for the construction industry and for infrastructure. Most of these involve the use of mild and low alloy steels and they can be...
7th August 2012Loy Yang Chimney Cappings The stainless steel flue cappings on top of one of the main exhaust stacks at Victoria’s largest Power Station Loy Yang Power were suffering from extremely corroded cappings stiffeners and windshields. Absafe Pty Ltd. won a select tender to complete this work to Loy Yang Power’s specification. This required significant welding...
7th August 2012Swansea Bridge Rehabilitation Mohammad Ali, GHD Swansea bridge, constructed circa 1989, is a high profile opening bridge on the Pacific Highway at Swansea, NSW (refer Figure 1). Due to harsh marine exposure, the bridge substructure elements have suffered from reinforcement corrosion induced deterioration. A long life and environmentally sustainable rehabilitation option was required to be...
7th August 2012Protective Coating of the Gates on the Ord River Diversion Dam Michael Harrington – McElligott Partners Pty Ltd The initial contract included the refurbishment of four gates previously identified as needing immediate recoating and other works. The initial scope of works included both the protective coating of the gates as well as welding repairs. The...
7th August 2012Hot Dip Galvanizing – An Introduction Emmanuel Pimentel The hot dip galvanizing process is relatively simple compared to most other corrosion protection systems and it is this simplicity that makes it an economically efficient and technically effective corrosion protection system for both small items and structural steel applications. The galvanizing process utilizes zinc, one of...
7th August 2012Concrete Mine Thickener Tank Repaired with Hybrid Cathodic Protection Ian Godson & Luke Thompson – Infracorr Consulting Pty Ltd In November 2010 Infracorr Consulting Pty Ltd (formerly Ian Godson & Associates) was consulted to provide a repair specification to an 80m diameter coal thickener tank suffering from significant concrete deterioration issues. The 3m high tank...
31st July 2012Restoring the Pride of an Australian Icon Nour Nwiran, Structural Systems Structural Systems (Contractor) in conjunction with Diagnostech (Superintendent) were engaged on behalf of the NSW Office of Environment and Heritage for the restoration works to the Green Cape Lighthouse in Eden, New South Wales. This heritage listed icon of Australia is well over 100...
31st July 2012Neptune Champions Alternating Current Field Measurement (ACFM) in Australia T. Cunningham (Inspections Manager), A.Leslie (NDT Inspector – ACFM) & D.Marr (NDT Inspector – ACFM). Neptune – Asset integrity Services. At one of the world’s busiest commodity ports, a Western Australian company, Neptune, has successfully applied an emerging technique of non-destructive testing (NDT) to the inspection...
31st July 2012Designing for Corrosion Protection – Part 2 Emmanuel Pimentel In the previous discussion, various common traps for steel designers that can compromise corrosion protection were examined. This theme is continued here, including a discussion on sheltering, in the author’s practical experience, one of the most prevalent corrosion issues in coastal infrastructure and dwellings.
31st July 2012Engineered Maintenance of Newcastle Port Wharf Structures Warren Green, Vinsi Partners Consulting Engineers, Sydney Scott Bacon, Newcastle Port Corporation Brad Dockrill, Vinsi Partners Consulting Engineers, Newcastle Exporting over 103 million tonnes per annum, the Port of Newcastle is one of the world’s largest single coal export ports. In addition to coal, the Port handles over...
31st July 2012Salt Fog Testing Monty Luke, Principal Metallurgist – Bureau Veritas Asset Integrity and Reliability Services Pty Ltd It is over seventy years since the specifications of the neutral salt fog test were first defined by ASTM B117 in 1939. American Society of Testing and Materials method B117 is the standard salt fog environmental test used...
31st July 2012