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This standard practice describes overcoating of the exteriors of railcars. The purpose of this standard practice is to provide methods for testing and application of overcoating materials for the benefit of railcar owners, lessees, and maintenance providers who are charged with developing and executing programs for the maintenance painting of railcars.
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This standard is for use by those responsible for the management of marine structures. They will be able to use it to establish the minimum requirements of the Site-Applied Wrap Corrosion Protection Systems they are considering for the protection of the submerged zone and splash zone of shore based marine metallic structures, either at the pointof new construction or during refurbishment or maintenance of existing structures. This standard is not intended to provide the minimum requirements for offshore oil and gas platforms and other similar structures of the offshore oil and gas industry. This standard may be used to provide the minimum requirements for estuarine, paludal, riverine, great lake structures or similar. The Site-Applied Wrap Corrosion Protection Systems in accordance with this standard are considered suitable for further protection by means of cathodic protection.
This AMPP standard practice presents guidelines and minimum requirements for citric acid based passivation of marine storage tanks to identify good cleaning practices and improve corrosion resistance. This standard is intended for use by shipboard personnel, ship owning organizations, commodity owners, tank readiness surveyors, chemical producing organizations, ship surveyors and other stake holders.
This document is intended to guide shipowners/operators in the planning and execution of hull preservation of their vessels while in dry-dock. The standard is not exhaustive as there are so many variables, including type of vessel, condition, expected trading pattern, location of dry-dock, and shipyard capability. This standard is not designed to be a job specification for hull preservation, but rather as an adjunct to a shipowner’s specification.
Biofouling accumulation on a ship’s hull has a direct impact on fuel consumption and associated greenhouse gas (GHG) emissions and may pose a biosecurity risk due to the presence of non-indigenous, potentially invasive aquatic species.
The antifouling system (AFS) is designed to protect the underwater surfaces from biofouling accumulation. Underwater inspections (UWI) of ships are typically carried out to monitor and verify the condition of the underwater hull and the AFS.
Recipients of UWI reports are reliant on the quality of information provided to make adequate decisions relating to hull performance, AFS condition and performance, biofouling management and associated risk assessments. Consistent and good quality reporting is key to effective underwater hull condition record-keeping and management.
This standard practice contains requirements for application of fluoropolymer powder coatings to steel substrates located in process vessels and equipment used in the chemical, electronic, pharmacy, and food industries.
This standard is based upon the technical requirements for coating repair developed by the National Marine Ship Standardization Technical Committee Ship Repair Branch Technical Committee in China, but may be applicable for use globally provided it meets the field requirements of marine maintenance and fulfills the environmental protection requirements of the appropriate governing body.
There are an estimated 900,000 electric utility steel transmission and distribution structures in North America alone. An increasing number of these structures are tubular steel poles. The degradation effects of corrosion can have a significant effect on the structural reliability of this important segment of our infrastructure. While the predictability of strength for a newly installed tubular steel pole is relatively easy to calculate, deterioration of these poles over time due to corrosion presents a different challenge to those calculations.
This standard is intended for use by electric utility personnel, contractors, inspectors, and those interested in the impact of corrosion on the needed strength capacity of a tubular steel pole structure used in transmission, distribution, and/or substation applications.
Oil and gas industry onshore and offshore drilling, production, storage, and transportation generally experience very corrosive environments. Even though corrosion prevention systems, such as cathodic protection, protective coatings, and liquid/vapor phase inhibitors are usually used for corrosion protection, severe corrosion of the structures is still unavoidable without effective corrosion protection and appropriate corrosion management. The repair of degraded structural members having substantial corrosion damage is critical for maintaining structural integrity for safe and continuous operations.
This standard practice formalizes a methodology of steel sandwich plate repair technology. This methodology uses a new steel plate or prefabricated structural component laid on top of the existing steel plate to be repaired. An elastomer core is used to bond the new plate/component and the existing steel plate to form a steel sandwich plate structure, thereby repairing the existing steel substrate without it being cut and replaced. This method is intended to restore the strength of the damaged structural members, or to reinforce existing structures.
This standard describes a procedure suitable for laboratory and field use to determine conformance to specified surface profile on concrete substrates using Method 1: Depth micrometer as described in ASTM D8271, Method 2: Concrete Surface Profile (CSP) Chips (CSP 1-10) as described in ICRI Guideline No. 310.2R, or Method 3: Replica putty as described in ASTM D7682 (Method 3A-visual or Method 3B-quantitative).
Proper bonding of coatings and linings to concrete surfaces requires proper cleaning and frequently requires the concrete to be roughened to increase the surface area. The roughness, also known as surface profile, can be imparted into concrete by abrasive or water blast cleaning, acid etching or various impact/scarifying power tools. The resulting surface profile depth can influence coating/lining adhesion and performance. Coating/lining manufacturers and/or facility owners frequently specify cleaning and roughening of the concrete surface prior to product installation.
Historically, NACE SP0290, NACE SP0216, and NACE SP0408 included sets of criteria that needed to be satisfied to indicate that a cathodic protection (CP) system is delivering adequate current to passivate the reinforcing steel or reduce its corrosion current to low and non-destructive levels. These criteria were mostly the same, so the aim of this standard is to set out the essential criteria that each one of the above standards must satisfy in a single document. This allows each of the above standards, which deal with different applications of cathodic protection, to concentrate and expand on aspects that are specific for each application. This standard further suggests techniques that can be employed to estimate the level of protection achieved by a non-compliant cathodic protection method.
This standard contains the general requirements for the safe and effective use of APC equipment, operated either manually hand-held or through use of automation, to prepare various metallic surfaces for maintenance, repair, recoating, or lining. This standard does not address surface preparation of concrete.
APC is applied to the entire surface specified to be prepared for a new coating or lining. Poorly adhered surface material and coating that cannot withstand the APC process are removed, while, depending on the chosen cleanliness level, any remaining coating is suitably prepared prior to the application of a new coating layer over the existing. In the case of metallic substrates, the underlying surface profile will be revealed whenever surface contamination and coatings are removed.