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Legacy SSPC Conference Papers
Corrosion under Insulation (CUI) is accelerated corrosion that takes place under insulation typically used to conserve energy, help with process control, and protect workers from temperature extremes. CUI is an issue for facility owners in many industries that use heat or cold in their industrial processes, including chemical processing, refining, fertilizer manufacturing, and power generation. Insulation used in these applications is generally mechanically attached to the substrate vessel or pipeline and is typically covered with cladding. Cladding is typically made out of metal or plastic and is applied to protect the insulation from physical damage and to keep water away from the insulation and substrate.
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Traditional zinc rich primers are the primer of choice during new construction of assets placed offshore for oil & gas production. However, during maintenance, zinc rich primers are not used because of difficulties of having good surface preparation and controlling applied dft to prevent cracking. This paper will examine the performance of new, activated zinc rich epoxy primers compared to conventional zinc rich epoxy primers on steel prepared to different surface profiles using standard techniques of today.
A well-maintained CIP Evaluation and Rehabilitation program can save millions of dollars in replacement cost!
With increasing frequency cartridge-based technology is becoming the preferred method for touch-up and repair applications using high-solids coatings. Cartridge technology directly addresses many of the issues associated with batch mixing including pot life constraints, waste generation and off-ratio material proportioning/mixing. Recent data indicate there are substantial cost-savings and environmental benefits associated with cartridge use in comparison to conventional methods of touchup and repair.
The Energy Innovation Center’s approximately 80-year-old concrete floor had significant divots and was badly spalled and cracked. The concrete floor, often referred to as “The Racetrack” due to its oval shape, serves as the main hallway to a newly renovated technology hub and needed significant structural and aesthetic work. The re-finished floor had to offer durable functionality as well as blend into the neo-industrial look of the re-tasked building.
Polyaspartic coatings have been used for years in high-performance industrial protective applications such as bridge infrastructure, water and wastewater, and transportation. More recently, these types of coatings have begun to migrate into commercial and architectural applications due to end users’ desires to protect their architectural infrastructure while maintaining a high degree of aesthetics and beauty.
This paper presents the diagnostic work undertaken to determine the cause of failing coating and spalling block on the exterior of a commercial building in northern Illinois. The field assessment methods used to diagnose the problems including non-destructive and destructive methods for determining moisture content in the masonry, infrared thermography, and visual assessments are described.
The Springhouse Country Market and Restaurant has been a local icon for over 40 years. The commercial bakery floor had been covered for years with a commercial sheet vinyl that would fail in spots due to the infiltration of water and cleaning materials at the seams. This resulted in the need to repair the sheet material several times which created a patchwork effect. Finally, the owner reached out to a flooring professional to discuss a new renovation solution.
The construction of a major project such as a bridge can often provide significant challenges to say the least. These challenges are not always within the physical building or logistics of the bridge but often can be material related. One such challenge can be the curing of the materials on the project. To that end, Cianbro/Middlesex, a large industrial contractor, knew that they would need temporary climate control to meet the tight specifications for concrete curing during a construction project for the new Pearl Harbor Memorial Bridge in New Haven, Conn.
It is safe to say that water towers have become a predominant location for the placement of cellular telecommunications equipment. Their height and design style make them a “natural” consideration for what the industry calls them, macro sites. And when one carrier locates on a tower you can be sure that others will soon follow.
In 2000 the National Science Foundation estimated that the market for nanotechnology products will be over one trillion US dollars by 2015 and that the industry would employ over 200 million workers. These numbers have been subsequently quoted from funding applications to government policy documents, but at the halfway point many of the revolutionary and disruptive technologies predicted have failed to emerge. Indeed, seven years on from the inception of the National Nanotechnology Initiative, there appears to be little sign of a nanotechnology-based industry, although significant amounts of R&D are being undertaken by various industries.
Barrier and inhibitor coatings are the primary defense against steel loss in water storage tanks. However, as a coating begins to deteriorate, action is necessary to prevent steel loss in the exposed areas of the substrate. Cathodic protection systems are an economical way to address preventing metal loss on the submerged surface areas of a water storage tank and have been proven to extend the useful life of coatings for immersion service.