When Is A Fuel Day Tank Needed?

Should you include a day tank in your emergency generator fuel supply system? The answer to this question requires an understanding of the applicable code, some technical information on the proposed engine, and some basic piping calculations. Follow the steps outlined in this article to insure a reliable fuel supply system for your emergency generator.

How to Prevent a Fuel Overflow Condition in a Fuel Day Tank.

Hospitals, data centers and similar mission-critical buildings rely on their facility’s fuel system to keep their central energy plant running. Due to their sheer size, facility fuel systems can become complex, as many of them now incorporate multiple fuel storage tanks, redundant fuel transfer systems, and multiple fuel day tanks serving large diesel generators.  In an environment where fuel is flowing in such large volumes, … Read more

Separately Derived Systems and 4 Pole Transfer Switches – When and Why?

When reviewing emergency power system designs, I am sometimes asked about 4-pole transfer switches.  The typical question is “when should I use them?“, followed quickly by “why should I use them?“. Since each project is likely to have special circumstances that make a generic answer impossible, this article focuses instead on providing the basic sources of information that should allow you … Read more

Top 12 Surefire Ways to Improve Your Fuel System Design

Fuel delivery and fuel quality are quickly becoming two of the most discussed issues among critical facility operators. This article will focus on fuel delivery, and one of its main components: the fuel day tank. The day tank is the most immediate source of fuel to the engine, and its design can be responsible for … Read more