EEMUA has released Edition 6 of EEMUA 159.
EEMUA 159 is considered to be the most comprehensive guidance available on above ground flat bottomed storage tanks. It is also used worldwide by regulators as an example of what good practice looks like.
EEMUA 159 is intended primarily to assist in the establishment of essential inspection and maintenance requirements for aboveground vertical cylindrical, steel storage tanks, in order to minimise in-service problems and extend useful life.
Edition 6 includes three integrity assessment levels of increasing complexity. The use of integrity assessment levels helps to understand that different kind of rejection limits can exist for the same component. There are revised chapters on tanks and their components, degradation mechanisms and failure modes, general inspection techniques and interpretation of inspection data, tank foundations and hydrotesting. Revised flowcharts for assessing the fit-for-purpose of the tank bottom, shell and roof are now available.
The new edition also contains guidelines on change of service and guidance on new inspection methods and technologies including robotics and drones. It provides increased guidance on settlement assessment and a new chapter on stainless and duplex steel tanks. The guidelines for hydrotest exemption for major repairs and the remaining life calculations for bottom pitting have been updated.
EEMUA 159 Edition 6 is available directly from EEMUA. Employees of EEMUA Member companies can access the publication for free; Associates receive a 50% discount off the non-member price.
