TAG GROUP: Structures

Problem Solving Forum (60)

What factors would justify coating stainless steel in water or wastewater service? What standards and methods apply?

When is it cost-effective to use thermal spray in petrochemical facilities?

Is it necessary to holiday test the interior lining in the vapor phase (roof) of water storage tanks after coating?

How many areas should be tested for possible chloride contamination during fabrication of an offshore production platform, and why?

What are the best solutions (and limitations) for refurbishing small diameter (less than 10-inch) embedded pipelines with multiple bends?

When performing maintenance painting of tank coatings, what are the pros and cons of overcoating an existing lining that appears to be in good condition?

On a parking deck with harsh exposures—to road salt, frequent wetting, freeze-thaw cycles, and exterior weathering—what generic coating type works best, and why?

What is the best coating system to protect the hulls of floating production storage offloading units (FPSOs)?

When refurbishing an old concrete secondary containment wall around a storage tank, what criteria should be used to determine if a crack can be repaired for coating or if the section of the wall should be rebuilt?

What factors would justify coating stainless steel in water or wastewater service? What standards and methods apply?

How do you gauge the remaining service life of an aging FBE system on a buried transmission pipeline?

Under what conditions should stainless steel be painted in the oil and gas industry?

What is the best way to remove thick-film elastomers from floors and ship decks?

What type of coating system (and surface prep) should be used to protect a steel factory roof that is subject to hydrochloric acid vapors and other industrial pollutants and particulates in a hot, humid environment?

Should 304 stainless steel pipework be coated prior to insulation?

What is the correct procedure for carrying out preventive maintenance painting work in a small chemical product tank?

How do you determine the size of the dehumidification equipment required for a tank lining project?

Alternatives to coal tar epoxies in wastewater/sewage applications have been in service for a number of years. From experience, which coating types with what fillers at what thicknesses (over steel) have performed best?

Under what conditions should small-diameter blisters (<1.5 inches) in a water tank lining be repaired/repainted? Should the blisters be broken and the substrate examined?

What is the best method for protecting cables on suspension bridges from corrosion?

What coating problems are likely in storage tanks that have dissimilar metal sides and floors?

How do you remove all traces of an uncured internal coating from a tank when abrasive blasting is not an option?

We are restricted to applying road-marking paints during hot, humid summer nights, on surfaces very often below dew point conditions. What is the best generic type of marking paint to use?

What is the most common or economical coating system for rehabbing the exterior of above-ground storage tanks?

When performing maintenance painting of tank coatings, what are the pros and cons of overcoating an existing lining that appears to be in good condition?

Which generic coating systems are suitable for protecting pipeline internals carrying highly abrasive media?

How do you calibrate a DFT gauge in the magnetic field of a live power plant to measure coatings on steel substrates?

What kind of coating system provides the strongest resistance to staining from hot tires on garage floors and parking decks?

What factors would justify coating stainless steel in water or wastewater service? What standards and methods apply?

How to do you abrasive-blast the interior surfaces of steel or ductile iron pipe scheduled to receive a high-build, high-performance protective lining system?

On a parking deck with harsh exposures—to road salt, frequent wetting, freeze-thaw cycles, and exterior weathering—what generic coating type works best, and why?

Under what conditions should stainless steel be painted in the oil and gas industry?

A specification for a bridge to be built of high-performance weathering steel requires an SSPC-SP 10, a profile of 3 to 5 mils, and metallizing with a final DFT of 10-12 mils. What challenges, time, and costs are associated with obtaining the profile?

What is the state-of-the-art treatment and preservation of the many cables used on suspension bridges?

What is the best way to remove graffiti from the surface of historic stone masonry on a church while preserving the appearance properties of the substrate?

What would be an optimal coating system, in terms of durability and productivity in field painting, for exposed structural steel on a stadium in a damp, cold environment?

How, besides grinding, can one remove large areas of silicone coating from a ship’s hull to replace the silicone with an epoxy mastic?

I have several 20-year-old carbon steel tanks for storing demineralized water. The original coating (type unknown) has started to blister. What material, at what DFT, should be used to refurbish the coating?

What environmental and safety precautions must be taken when using chemical stripping and water blasting to remove lead-based paint from a commercial building exterior in an urban business district?

What is the best combination of metal and coatings for creating bright colors on public art and sculpture, keeping in mind durability, cost, maintenance, and gloss and color retention?

When a food plant runs 24/7, even during coating maintenance, tiny airborne food particles can contaminate a prepared surface. How do you identify, prevent and/or remove such contamination before coating?

How can I tell if my apartment building’s roof is suitable for installing a vegetative roof?

Do the balcony floor slabs on the high-rise seaside condo I’m working on in Florida really need cathodic protection?

What are the best practices for a small maintenance shipyard (120m x 20m x 8m drydock) to handle UHP-generated wastes?

What type of antifouling or foul-release coating will provide the greatest protection in warm tropical waters, and for how long?

What is the correct procedure for carrying out preventive maintenance painting work in a small chemical product tank?

How many times can a building be repainted before the paint becomes too thick to perform properly?

What tests should be run to determine if an existing concrete bridge pier needs rehabilitation or repair before cleaning and coating?

When is it cost-effective to use thermal spray in petrochemical facilities?

When should you specify UHP waterjetting on bridges?

How do you calibrate a DFT gauge in the magnetic field of a live power plant to measure coatings on steel substrates?

What percentage of deterioration is acceptable at a one-year warranty inspection of water tank linings before a contractor must repair the coating job?

How do you gauge the remaining service life of an aging FBE system on a buried transmission pipeline?

Under what conditions should stainless steel be painted in the oil and gas industry?

Is grinding the only way to remove large areas of a silicone coating from a ship's hull to replace the silicone with an epoxy mastic?

When a food plant runs 24/7 even during coating maintenance, tiny food particles floating in the air (e.g., sugar from sugar processing) in the plant can contaminate a prepared surface. How do you prevent such contamination, or identify it and remove it before applying the coating?

What criteria of selection should be used in deciding between a liquid-applied and a sheet-applied air barrier?

How can I determine if my hospital building in Philadelphia can benefit financially from installation of a reflective roof coating on top of the current black roofing substrate on a flat surface?

A specification for a bridge to be built of high-performance weathering steel (HPS GR50/GR70W) requires an SSPC-SP 10, a profile of 3 to 5 mils, and metallizing with a final dft of 10-12 mils. What challenges, time, and costs are associated with obtaining the profile, primarily in the shop but also in the field? Are there any long-term performance issues with metallizing over weathering steel?

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