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STABILIZATION NOTICE: This document has been declared “Stabilized” by AMPP Standards Committee (SC) 25 and will no longer be subjected to periodic reviews for currency.
This standard establishes a procedure for evaluating the qualifications of contractors whose work involves disturbance of hazardous coatings (e.g., containing lead or other hazardous metals) incidental to demolition or repair work on complex or conventional structures.
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This technical report discusses equipment, procedures, materials, and the resulting substrate conditions involved in a variety of WAB cleaning methods currently available for commercial use. It also discusses the effect that the water present with these wet cleaning methods has on achieving the defined degree of cleaning of steel surfaces in accordance with the wet abrasive blast cleaning standards found in the list of Referenced Standards and Other Consensus Documents. It is intended for use primarily by specifiers, owners, painting contractors, inspectors, and others involved in surface preparation of industrial structures.
This report was originally issued in 1998 and has been revised to include additional configurations of equipment setup as well as current (2022) developments in the design of wet abrasive blast cleaning systems and nozzles. This TR provides a foundation to assist users to determine the quantity and quality of water, abrasive, and air.
This paper discusses the design process and challenges in choosing what was at the time, the largest ever cathodic protection retrofit in terms of delivered current capacity offshore, and the actual current the structure required to maintain protection.
Stabilized austenitic stainless steel (SS) grade 347 is used extensively in high-temperature processes in the petroleum refining industry, while duplex SS (DSS) grade 2205 is a relatively newer material in the industry. Though these grades of SSs perform well in refinery process streams, there are incidents of failure of process equipment attributable to stress corrosion cracking (SCC). The paper deals with a study on the cracking susceptibility of SS grade 347 and DSS grade 2205 in refinery simulated process environments containing hydrogen sulfide and chloride. The paper also reports the electrochemical behavior of these SSs in the medium containing hydrogen sulfide and chloride. The electrochemical behavior of the alloys was assessed by cyclic polarization experiments. Slow strain rate test (SSRT) was used to evaluate the susceptibility of the alloys to SCC. The cyclic polarization studies indicate that the H2S – chloride synergism had a pronounced effect on the localized corrosion susceptibility of 347 SS, while the effect was marginal on the alloy DSS 2205. The SCC susceptibility of 347 SS and DSS 2205 is strongly influenced by hydrogen sulfide-chloride synergism. Initiation of corrosion pits and the sulfidation of active pits due to the synergism were the important steps in the initiation of SCC.
Issues faced by operators with low temperature sandstone reservoirs of only 40°C and 54°C and challenges these low temperatures brought, including high MIC for sulphate scale control and poor chemical retention & release properties during the reservoir condition corefloods.
For personnel involved in new-build and maintenance painting of ships. From shipyards to drydocks and coating repairs by ship’s crews while under-way. Comparisons of coatings. Speicial requirements. Inspection. Equipment. 2012 NACE E-BOOK
Available cast austenitic and duplex stainless steel grades and their castability and corrosion resistance. The conclusion is that superduplex stainless steel offers the best combination of properties for seawater cooling and firewater pumps.
Test methods to evaluate ballast water tank coatings on offshore rigs - tension leg platforms (TLPs), semi-submersible platforms, or floating production and storage offloading systems (FPSOs).
Ballast water carried by ships keeps them upright during loading and offloading operations and provides balance, stability, and trim during sailing. Because ballast water is loaded from the surrounding port or coastal waters, organisms in the ballast water sometimes establish populations resulting in biological invasions, which may have severe ecological or economic impacts. This standard is designed to test the effect of long-term accelerated exposure of treated water on coating systems.
Test methods for effects of long-term exposure to treated ballast water (fresh or salt) on ballast tanks and related pipes and anodes. Includes reporting procedures.
Tests to evaluate atmospheric surface coatings…(1) atmospheric exposure…(2) coating properties…(3) accelerated tests Historical Document 1988
DOWNLOADABLE HISTORICAL DOCUMENT. Test methods to evaluate coating systems for seawater immersion service on exterior surfaces of submerged offshore platform steel structures, piers, docks, pilings, subsea valves, and wellheads.