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HIGH PRESSURE STORAGE TANK
LEAKAGE
INTRODUCTION OF HIGH PRESSURE STORAGE TANK LEAKAGE
Studies show the three major causes of high pressure storage tank leakage, release incidents due to corrosion, improper installation, and piping failure.
This section discusses an effective on-site tank management program that will reduce the risk of an undetected leaking tank incident
LEAKAGE COUSES FOR HIGH PRESSURE STORAGE TANKS
MAJOR LEAKAGE PROTECTION FOR HIGH PRESSURE STORAGE TANKS
Prior to the installation of a high pressure storage tanks, sample data collect and find any contamination problem in the material, the site to be establish as a clean site background data. A
clean site has a level of contamination that to be not excepted by U.S. Environmental Protection Agency (EPA), in
the act of Federal Register ( 40 CFR Parts 280 and 281 high pressure storage tank Storage Tanks) regards
as environmentally safe. An existing high pressure storage tank location may require a more thorough
investigation to be establish by background levels of variations in, around and below the area of storage tank site.
• Design, construct and install underground storage tank systems in accordance with current codes,
standards and regular practices. The EPAD specifies that are applicable codes and regular standards of organizations such
as the National Association of Corrosion Engineers (NACE), American National Standards Institute
(ANSI), American Petroleum Institute (API), Petroleum Equipment Institute (PEI), ASTM
International (ASTM), National Fire Protection Association (NFPA), and Underwriters Laboratories
(UL). The EPAD also recognizes major act of guidelines established by some of these organizations for
operation, maintainance, and repair of high pressure storage tank and reconciling inventories. Be prepared by meet these guidelines or those of the manufacturers.
Provide cathodic protection to all steel high pressure storage tanks as corrosion-resistant construction, like glass-fiber-reinforced plastics, piping , fittings, if made by steel, must and should have cathodic protection. Keep records of all type cathodic protection system for operation, inspection and maintenance where corrosion protection systems to be provided
LEAKAGE DETECTION FOR HIGH PRESSURE STORAGE TANKS
Use two or three methods to detect leaks for high pressure storage tanks. Leaks can be detected efficiently for the EPA will more readily main accept the results may two or three methods are used. No single test should provide a final answer. A release detection system must also be provide to underground piping as connected for each tank being regulated.
MAJOR FAILURES OF HIGH PRESSURE STORAGE TANKS
Main reason due to failure of high pressure storage tanks corrective action by releases to underground storage systems containing of petroleum products. Consider for potential fire and explosion hazard placed at the site. Be especially aware for vapor collection points at the release zone. Excavation trenches or pockets or spaces under pavement may be allow vapours to collect in flammable and explosive concentrations
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