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All coating projects should be bid using plans and specifications tailored to the project. In this paper, we will examine the goals of the specifications, as well as some of the basic guidelines for their preparation and common language which should be included to ensure a clear presentation of the work to be performed. Also, we will describe the obligations of the design team that are implied by law in every contract.
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Cities and towns across the nation are undergoing revitalization programs at an ever-increasing pace as citizens demand better recreation facilities, more choices in housing and entertainment, and maximum benefits of economic development. But what do city planners do when their “ugly old water tower” stands right smack dab in the middle of the area to be redeveloped? Their water system needs the tank, but their constituents don’t like the looks of it…so they make it the landmark at the center of their plans!
Quality Assurance (QA) paint testing is an important obligation of any paint manufacturer and/or end user. Each year, hundreds of batches slotted to be applied on US Army Corps of Engineers (USACE) hydraulic steel structures around the country are submitted to be tested at the Engineering Research Development Center, Construction Engineering Research Laboratory, Paint Technology Center (ERDC-CERL-PTC). A significant fraction of those samples fail.
This paper will describe the fundamentals of MasterFormat™ 2004 and how its use can simplify the specification writing process. MasterFormat™ 2004 is jointly produced by the Construction Specifications Institute (CSI), and Construction Specifications Canada (CSC). Contractors, Owners and Specifiers can all benefit from the use of these guiding principles of specification development, especially when surface preparation, hazardous remediation, and coatings and linings are part of a larger overall scope of work.
There are several design factors that need to be considered when specifying coatings in water and wastewater concrete structures. Issues include treating surfaces with exposed aggregate, with a low pH, and exposed reinforcing steel. This paper will present three examples of important design considerations based on field experiences that can avert lining performance problems and impacts on a project schedule or budget. Specific examples from a number of projects will be used to illustrate these design considerations.
The Florida Department of Transportation (FDOT) undertook recoating of the superstructure steel components of the SR 292 high-level bridge over the Intracoastal Water Way (ICWW) in Perdido Key, Florida, which carries one lane of traffic in each direction and is the only connection between Perdido Key and the mainland. Due to the significant impact to businesses and the public, including tourists, from any proposed lane closures, FDOT looked for other means to address the deteriorating paint system, provide for a longer service life, and complete the work without any lane closures on the bridge.
In the oil and gas industry there is information on current fundamental training for contractors and certification programs that cover industry standards and practical aspects of selecting, specifying and using coatings safely, effectively and economically to protect structures in harsh oil and gas atmospheric environments. These certification programs are for both inspectors and contractors that provide quality assurance/quality control on industrial coating projects. Once implemented with a properly well-written specification for a specific substrate (steel, metal, previously coated), ensures a quality project for the owner.
This paper will provide information on current SSPC training and certification programs related to industry standards and practical aspects of selecting, specifying, and using coatings safely, effectively and economically to protect structures in harsh marine environments.
Often times, protective coatings for equipment and packages come as an afterthought; therefore, a Coatings Specialist is not always included in early purchasing discussions. Lack of the Coating Specialist participation in the preliminary workflow does not necessarily equate directly to a “bad outcome”, however there are fundamental details which, if highlighted early, can make a significant difference in the procurement process resulting in cost savings and competitive bids.
Over recent years there have been interesting developments in the way marine coatings and linings are specified that have unwittingly resulted in a situation that can make it challenging to meet a paint specification as currently written.
Through the course of any project, communication is the key element for success. In the coatings industry, a lack of communication by project stakeholders can show up in a very short time following project completion. This can be in the form of premature failures, shorter equipment service life, etc. We have found that this gap in communication often exists on the planning and implementation side of wastewater treatment projects. As professionals we have a tendency to hear, but not listen.
A unique project was completed in Mid-2014 at the Powerhouse #3, Turbine Unit #23 refurbishment, Grand Coulee Dam, located in Washington State. The project scope includes a complete overhaul of the turbine bearings, windings, and critical components. As part of the overall scope, the contractor was charged with the task of coating the entire draft tube surface with an epoxy gel. The Bureau of Reclamation, based in Denver, Colorado, had conducted a site survey which indicated severe wear lines, which result in cavitation and the accompanying backpressure on the exiting water outflow to the Columbia River.