When choosing an ideal fuel storage tank, there are several considerations to bear in mind. Some of these considerations include budget, space available, secondary containment, regulations, serviceability, and material. Other considerations include tank capacity, number of fueling positions, monthly throughput, and redundancy. In this article, let’s explore the differences between underground and aboveground fuel storage tanks, which are crucial components of any fueling system. Doing so is important as each type has its pros and cons. Limited space When space is limited, as it is in urban areas, a UST or underground fuel tanks is your best bet. An AST or Aboveground storage tank requires adequate open space. Cost considerations If you were to calculate costs of the tank itself and its installation, it will become apparent that USTs cost considerably more. While ASTs cost much more than similarly sized USTs, their installation costs ultimately make USTs far more expensive. For electrical trenches, tank footings and piping, ASTs require only minor excavation. Installation of USTs includes:
USTs are more regulated ASTs are regulated by the state and also by local fire marshals who use the NFPA or National Fire Protection Association’s 30 and 30A codes in order to ensure a safe distance from surrounding properties, buildings, and roads. In terms of placement, USTs, regulated by the US EPA, offer more flexibility. However, frequent inspection and testing is conducted by certified petroleum testers. A smarter decision for customer satisfaction To ensure all round customer satisfaction once your storage tank is installed, it is a good decision to look for used fuel pumps for sale while investing in a tank. Used options allow you to upgrade a gasoline dispenser at a considerably lower price. Secondary containment is crucial Secondary containment is essential for USTs and ASTs. They allow monitoring systems to detect leaks in fuel storage tanks by checking for fuel in their secondary containment tanks. For ASTs a surrounding concrete dike wall is sufficient. However, for USTs double walled tanks boasting their own inner and outer shell and a leak sensor for their interstitial space are necessary. Other determining factors
Conclusion As is now apparent, choosing between an UST or AST depends mainly on what is right for your fueling system. However, now that you know their primary differences, and pros and cons, any decision you make will be an informed one.
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May 2022
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