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Tank farm safety design: Updates

12.10.2006  |  Swarup, J.,  Plant Engineering Construction Pte., Ltd., Singapore

New review queries guidelines and various international codes for tank farm bunds

Keywords:

The hydrocarbon processing industry (HPI) uses large storage tanks to manage inventories of raw materials and finished products (Fig. 1). Various international codes define design parameters to ensure the safe and efficient operation of aboveground storage tanks (ASTs). This article discusses specific requirements for petroleum tank-farm bund wall sizing, plot area and associated costs for larger storage facilities (100,000 m3 plus) for ASTs with operating pressures <17 kPa (2.5 psig).

 Fig. 1    

Aerial view of aboveground storage tanks and bund.

Various international codes provide recommendations for a tank-farm bund wall height and volume to be contained. Some recommendations are made to optimize safety. The requirement of AS1940/ SS CP40 of bund volume limits of 60,000 m3 for fixed-roof and 120,000 m3 for floating-roof tanks are analyzed in greater details.

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