The modular approach to emergency power fueling

In recent years Belly tanks, also called Subbase fuel tanks, have gained popularity with respect to emergency power fueling systems.  Belly tanks are steel fuel tanks with a generator bolted on top.  In emergency power refueling systems, however, simplicity in design is not always the best route.  A generator set mounted on top of the tanks is subject to major vibration and in some cases lead to a failure of the belly tank at the weld seams.    A failure of the Belly or Subbase tank can become a major environmental, logistical and financial nightmare.  Generator sets must be taken off-line, removed with a crane, repaired and then placed back into place.  Because of the stress caused by vibration most  belly tanks only come with 1 a year warranty (as opposed to a 20 or 30 year warranty with a ConVault aboveground storage tank).  In addition, with many Subbase fuel tanks a visual inspection of the entire unit is not possible which may be a code violation (consult your local fire authority).

A modular (and very common) approach to emergency power fueling uses a standalone main tank along with a smaller day tank connected to the generator system.  This approach assures that neither tanks are affected by the vibration of the generator.  Should a repair be needed, a temporary tank can be piped in to the existing piping while the original tank is repaired and the generator set does not need to remain off-line for more than a few minutes.

General Modular Approach Diagram

To contact a Core Emergency Power Fueling Specialist call us at 800.628.5502 or info@core-es.com or

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