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Many bridge painting projects include steel repairs as part of the contract. Painting and steel repairs are performed by separate trades and often separate contractors. Even designers may see them as separate activities. However, steel repairs and coatings must work together and be installed as a system to perform as intended. This paper is a discussion about the process of installing steel repairs and painting a bridge at the same time.
Many bridge painting projects include steel repairs as part of the contract. Painting and steel repairs are performed by separate trades and often separate contractors. Even designers may see them as separate activities. However, steel repairs and coatings must work together and be installed as a system to perform as intended. This paper is a discussion about the process of installing steel repairs and painting a bridge at the same time. It includes lessons learned by a resident engineer with experience managing major bridge painting and steel repair contracts. Ironworking operations discussed include some important design requirements, slip critical criteria, scheduling, installation, inspection, and documentation. Paint requirements include specific surface preparation requirements for faying surfaces, slip critical coating requirements, paint compatibility, bolt preparation and coating, scheduling, inspection, and documentation. In addition to advising field personnel, the paper is intended to give constructability guidance to design professionals and facility owners. The goal is to prevent compromised repairs and coatings by integrating the design with the installation.
This presentation discusses how the Florida Department of Transportation has modified and amended its coatings material acceptance policy and contractor coating application requirements to improve corrosion protection of Florida’s transportation infrastructure. The cost saving advantages to the State are estimated to range from $2.3 to 19 million/year
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Major bridge rehabilitation projects may include painting of the steel superstructure in addition to deck replacement, expansion joint improvements, bearing replacement, etc. This paper will review the scheduling of the coatings work during a bridge rehabilitation project and how the order of coatings work affects the project schedule, cost, and quality.
A bridge coatings specification can be a complex and sometimes confusing document to navigate through. Yet it is regarded as the rulebook for quality control and quality assurance personnel responsible for inspecting the quality of work. An inspection plan is a tool that can make the process of understanding the inspection checkpoints invoked by a bridge coating specification more streamlined and can be a key communication tool for contractor and inspection personnel.